#7512 Support optimized summary reader

ApplicationLibCode/Application/RiaPreferences.cpp

@@ -403,6 +403,33 @@ RiaPreferences::RiaPreferences( void )
     m_multiLateralWellPattern.uiCapability()->setUiEditorTypeName( caf::PdmUiLineEditor::uiEditorTypeName() );
 
     CAF_PDM_InitFieldNoDefault( &m_guiTheme, "guiTheme", "GUI theme", "", "", "" );
+
+    CAF_PDM_InitField( &m_useOptimizedSummaryDataFileReader,
+                       "useOptimizedSummaryDataFileReader",
+                       false,
+                       "Use Optimized Summary Data Reader [BETA]",
+                       "",
+                       "",
+                       "" );
+    m_useOptimizedSummaryDataFileReader.uiCapability()->setUiLabelPosition( caf::PdmUiItemInfo::HIDDEN );
+
+    CAF_PDM_InitField( &m_createOptimizedSummaryDataFile,
+                       "createOptimizedSummaryDataFile",
+                       true,
+                       "Create Optimized Summary Data Files [BETA]",
+                       "",
+                       "If not present, create optimized file with extension '*.LODSMRY'",
+                       "" );
+    m_createOptimizedSummaryDataFile.uiCapability()->setUiLabelPosition( caf::PdmUiItemInfo::HIDDEN );
+
+    CAF_PDM_InitField( &m_useOptimizedSummaryDataFile,
+                       "useOptimizedSummaryDataFile",
+                       true,
+                       "Use Optimized Summary Data Files [BETA]",
+                       "",
+                       "If not present, read optimized file with extension '*.LODSMRY'",
+                       "" );
+    m_useOptimizedSummaryDataFile.uiCapability()->setUiLabelPosition( caf::PdmUiItemInfo::HIDDEN );
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -444,14 +471,15 @@ void RiaPreferences::defineEditorAttribute( const caf::PdmFieldHandle* field,
 
     if ( field == &octaveShowHeaderInfoWhenExecutingScripts || field == &autocomputeDepthRelatedProperties ||
          field == &loadAndShowSoil || field == &m_useShaders || field == &m_showHud ||
-         field == &m_appendClassNameToUiText || field == &m_appendFieldKeywordToToolTipText ||
+         field == &m_appendClassNameToUiText || field == &m_appendFieldKeywordToToolTipText || field == &m_showTestToolbar ||
-         field == &m_showTestToolbar || field == &m_includeFractureDebugInfoFile ||
+         field == &m_includeFractureDebugInfoFile || field == &showLasCurveWithoutTvdWarning ||
-         field == &showLasCurveWithoutTvdWarning || field == &holoLensDisableCertificateVerification ||
+         field == &holoLensDisableCertificateVerification || field == &m_showProjectChangedDialog ||
-         field == &m_showProjectChangedDialog || field == &m_searchPlotTemplateFoldersRecursively ||
+         field == &m_searchPlotTemplateFoldersRecursively || field == &m_showLegendBackground ||
-         field == &m_showLegendBackground || field == &m_showSummaryTimeAsLongString ||
+         field == &m_showSummaryTimeAsLongString || field == &m_showViewIdInProjectTree ||
-         field == &m_showViewIdInProjectTree || field == &m_useMultipleThreadsWhenLoadingSummaryData ||
+         field == &m_useMultipleThreadsWhenLoadingSummaryData || field == &m_enableFaultsByDefault ||
-         field == &m_enableFaultsByDefault || field == &m_showProgressBar || field == &m_openExportedPdfInViewer ||
+         field == &m_showProgressBar || field == &m_openExportedPdfInViewer || field == &m_showInfoBox ||
-         field == &m_showInfoBox || field == &m_showGridBox || field == &m_useUndoRedo )
+         field == &m_showGridBox || field == &m_useUndoRedo || field == &m_useOptimizedSummaryDataFileReader ||
+         field == &m_createOptimizedSummaryDataFile || field == &m_useOptimizedSummaryDataFile )
     {
         caf::PdmUiCheckBoxEditorAttribute* myAttr = dynamic_cast<caf::PdmUiCheckBoxEditorAttribute*>( attribute );
         if ( myAttr )
@@ -576,6 +604,18 @@ void RiaPreferences::defineUiOrdering( QString uiConfigName, caf::PdmUiOrdering&
         m_pageRightMargin.uiCapability()->setUiName( "Right Margin" + unitLabel );
         m_pageTopMargin.uiCapability()->setUiName( "Top Margin" + unitLabel );
         m_pageBottomMargin.uiCapability()->setUiName( "Bottom Margin" + unitLabel );
+
+        {
+            caf::PdmUiGroup* group = uiOrdering.addNewGroup( "[BETA] Optimized Summary Reader" );
+            group->setCollapsedByDefault( true );
+            group->add( &m_useOptimizedSummaryDataFileReader );
+
+            group->add( &m_createOptimizedSummaryDataFile );
+            group->add( &m_useOptimizedSummaryDataFile );
+
+            m_createOptimizedSummaryDataFile.uiCapability()->setUiReadOnly( !m_useOptimizedSummaryDataFileReader );
+            m_useOptimizedSummaryDataFile.uiCapability()->setUiReadOnly( !m_useOptimizedSummaryDataFileReader );
+        }
     }
 
     else if ( uiConfigName == RiaPreferences::tabNameScripting() )
@@ -1171,6 +1211,30 @@ QString RiaPreferences::octaveExecutable() const
     return m_octaveExecutable().trimmed();
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RiaPreferences::useOptimizedSummaryDataReader() const
+{
+    return m_useOptimizedSummaryDataFileReader();
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RiaPreferences::useOptimizedSummaryDataFiles() const
+{
+    return m_useOptimizedSummaryDataFileReader();
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RiaPreferences::createOptimizedSummaryDataFiles() const
+{
+    return m_createOptimizedSummaryDataFile();
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------

ApplicationLibCode/Application/RiaPreferences.h

@@ -138,6 +138,11 @@ public:
     QString pythonExecutable() const;
     QString octaveExecutable() const;
 
+    // Summary readers
+    bool useOptimizedSummaryDataReader() const;
+    bool useOptimizedSummaryDataFiles() const;
+    bool createOptimizedSummaryDataFiles() const;
+
 public: // Pdm Fields
     caf::PdmField<bool> enableGrpcServer;
     caf::PdmField<int>  defaultGrpcPortNumber;
@@ -243,6 +248,11 @@ private:
     // Well Path Import
     caf::PdmField<QString> m_multiLateralWellPattern;
 
+    // Summary data
+    caf::PdmField<bool> m_useOptimizedSummaryDataFileReader;
+    caf::PdmField<bool> m_createOptimizedSummaryDataFile;
+    caf::PdmField<bool> m_useOptimizedSummaryDataFile;
+
     // 3d view
     caf::PdmField<caf::AppEnum<RiaDefines::MeshModeType>>              m_defaultMeshModeType;
     caf::PdmField<caf::AppEnum<RiaGuiApplication::RINavigationPolicy>> m_navigationPolicy;

ApplicationLibCode/FileInterface/CMakeLists_files.cmake

@@ -60,6 +60,8 @@ ${CMAKE_CURRENT_LIST_DIR}/RifStimPlanModelDeviationFrkExporter.h
 ${CMAKE_CURRENT_LIST_DIR}/RifStimPlanModelPerfsFrkExporter.h
 ${CMAKE_CURRENT_LIST_DIR}/RifStimPlanModelAsymmetricFrkExporter.h
 ${CMAKE_CURRENT_LIST_DIR}/RifSurfaceExporter.h
+${CMAKE_CURRENT_LIST_DIR}/RifOpmCommonSummary.h
+
 
 
 # HDF5 file reader is directly included in ResInsight main CmakeList.txt
@@ -125,6 +127,7 @@ ${CMAKE_CURRENT_LIST_DIR}/RifStimPlanModelDeviationFrkExporter.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RifStimPlanModelPerfsFrkExporter.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RifStimPlanModelAsymmetricFrkExporter.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RifSurfaceExporter.cpp
+${CMAKE_CURRENT_LIST_DIR}/RifOpmCommonSummary.cpp
 
 # HDF5 file reader is directly included in ResInsight main CmakeList.txt
 #${CMAKE_CURRENT_LIST_DIR}/RifHdf5Reader.cpp

ApplicationLibCode/FileInterface/RifOpmCommonSummary.cpp

@@ -0,0 +1,245 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2021- Equinor ASA
+//
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+//
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "RifOpmCommonSummary.h"
+
+#include "opm/io/eclipse/ESmry.hpp"
+
+#ifdef USE_OPENMP
+#include <omp.h>
+#endif
+
+size_t RifOpmCommonEclipseSummary::sm_createdLodFileCount = 0;
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RifOpmCommonEclipseSummary::RifOpmCommonEclipseSummary()
+    : m_useLodsmryFiles( false )
+    , m_createLodsmryFiles( false )
+{
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RifOpmCommonEclipseSummary::~RifOpmCommonEclipseSummary()
+{
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RifOpmCommonEclipseSummary::useLodsmaryFiles( bool enable )
+{
+    m_useLodsmryFiles = enable;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RifOpmCommonEclipseSummary::createLodsmaryFiles( bool enable )
+{
+    m_createLodsmryFiles = enable;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RifOpmCommonEclipseSummary::resetLodCount()
+{
+    sm_createdLodFileCount = 0;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+size_t RifOpmCommonEclipseSummary::numberOfLodFilesCreated()
+{
+    return sm_createdLodFileCount;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RifOpmCommonEclipseSummary::open( const QString& headerFileName, bool includeRestartFiles )
+{
+    m_eSmry = std::make_unique<Opm::EclIO::ESmry>( headerFileName.toStdString(), includeRestartFiles, m_useLodsmryFiles );
+
+    if ( m_createLodsmryFiles && !includeRestartFiles )
+    {
+        // Create the lodsmry file, no-op if already present.
+        bool hasFileBeenCreated = m_eSmry->make_lodsmry_file();
+
+        if ( hasFileBeenCreated )
+        {
+            RifOpmCommonEclipseSummary::increaseLodFileCount();
+        }
+    }
+
+    if ( !m_eSmry ) return false;
+
+    buildMetaData();
+
+    return true;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+const std::vector<time_t>& RifOpmCommonEclipseSummary::timeSteps( const RifEclipseSummaryAddress& resultAddress ) const
+{
+    return m_timeSteps;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RifOpmCommonEclipseSummary::values( const RifEclipseSummaryAddress& resultAddress, std::vector<double>* values ) const
+{
+    if ( m_eSmry )
+    {
+        auto it = m_adrToSummaryNodeIndex.find( resultAddress );
+        if ( it != m_adrToSummaryNodeIndex.end() )
+        {
+            auto index      = it->second;
+            auto node       = m_eSmry->summaryNodeList()[index];
+            auto fileValues = m_eSmry->get( node );
+            values->insert( values->begin(), fileValues.begin(), fileValues.end() );
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+std::string RifOpmCommonEclipseSummary::unitName( const RifEclipseSummaryAddress& resultAddress ) const
+{
+    if ( m_eSmry )
+    {
+        auto it = m_adrToSummaryNodeIndex.find( resultAddress );
+        if ( it != m_adrToSummaryNodeIndex.end() )
+        {
+            auto index = it->second;
+            auto node  = m_eSmry->summaryNodeList()[index];
+            return m_eSmry->get_unit( node );
+        }
+    }
+
+    return {};
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RiaDefines::EclipseUnitSystem RifOpmCommonEclipseSummary::unitSystem() const
+{
+    // TODO: Not implemented
+    return RiaDefines::EclipseUnitSystem::UNITS_UNKNOWN;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RifOpmCommonEclipseSummary::buildMetaData()
+{
+    if ( m_eSmry )
+    {
+        auto dates = m_eSmry->dates();
+        for ( const auto& d : dates )
+        {
+            auto timeAsTimeT = std::chrono::system_clock::to_time_t( d );
+            m_timeSteps.push_back( timeAsTimeT );
+        }
+
+        auto nodes = m_eSmry->summaryNodeList();
+        for ( size_t i = 0; i < nodes.size(); i++ )
+        {
+            auto summaryNode = nodes[i];
+            auto eclAdr      = createAddressFromSummaryNode( summaryNode, m_eSmry.get() );
+
+            if ( eclAdr.isValid() )
+            {
+                m_allResultAddresses.insert( eclAdr );
+                m_adrToSummaryNodeIndex[eclAdr] = i;
+            }
+        }
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RifOpmCommonEclipseSummary::increaseLodFileCount()
+{
+    // This function can be called from a parallel loop, make it thread safe
+#pragma omp critical
+    sm_createdLodFileCount++;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RifEclipseSummaryAddress RifOpmCommonEclipseSummary::createAddressFromSummaryNode( const Opm::EclIO::SummaryNode& node,
+                                                                                   Opm::EclIO::ESmry* summaryFile )
+{
+    int i = -1;
+    int j = -1;
+    int k = -1;
+
+    switch ( node.category )
+    {
+        case Opm::EclIO::SummaryNode::Category::Aquifer:
+            return RifEclipseSummaryAddress::aquiferAddress( node.keyword, node.number );
+            break;
+        case Opm::EclIO::SummaryNode::Category::Well:
+            return RifEclipseSummaryAddress::wellAddress( node.keyword, node.wgname );
+            break;
+        case Opm::EclIO::SummaryNode::Category::Group:
+            return RifEclipseSummaryAddress::wellGroupAddress( node.keyword, node.wgname );
+            break;
+        case Opm::EclIO::SummaryNode::Category::Field:
+            return RifEclipseSummaryAddress::fieldAddress( node.keyword );
+            break;
+        case Opm::EclIO::SummaryNode::Category::Region:
+            return RifEclipseSummaryAddress::regionAddress( node.keyword, node.number );
+            break;
+        case Opm::EclIO::SummaryNode::Category::Block:
+            summaryFile->ijk_from_global_index( node.number, i, j, k );
+            return RifEclipseSummaryAddress::blockAddress( node.keyword, i, j, k );
+            break;
+        case Opm::EclIO::SummaryNode::Category::Connection:
+            summaryFile->ijk_from_global_index( node.number, i, j, k );
+            return RifEclipseSummaryAddress::wellCompletionAddress( node.keyword, node.wgname, i, j, k );
+            break;
+        case Opm::EclIO::SummaryNode::Category::Segment:
+            return RifEclipseSummaryAddress::wellSegmentAddress( node.keyword, node.wgname, node.number );
+            break;
+        case Opm::EclIO::SummaryNode::Category::Miscellaneous:
+            return RifEclipseSummaryAddress::miscAddress( node.keyword );
+            break;
+        default:
+            break;
+    }
+
+    return RifEclipseSummaryAddress();
+}

ApplicationLibCode/FileInterface/RifOpmCommonSummary.h

@@ -0,0 +1,85 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2021- Equinor ASA
+//
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+//
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include "RiaDefines.h"
+
+#include "RifEclipseSummaryAddress.h"
+#include "RifSummaryReaderInterface.h"
+
+#include <QString>
+#include <QStringList>
+
+#include <map>
+#include <memory>
+#include <set>
+#include <string>
+#include <vector>
+
+namespace Opm
+{
+namespace EclIO
+{
+    class ESmry;
+    struct SummaryNode;
+} // namespace EclIO
+} // namespace Opm
+
+//==================================================================================================
+//
+//
+//==================================================================================================
+class RifOpmCommonEclipseSummary : public RifSummaryReaderInterface
+{
+public:
+    RifOpmCommonEclipseSummary();
+    ~RifOpmCommonEclipseSummary();
+
+    void useLodsmaryFiles( bool enable );
+    void createLodsmaryFiles( bool enable );
+    
+    static void resetLodCount();
+    static size_t numberOfLodFilesCreated();
+
+    bool open( const QString& headerFileName, bool includeRestartFiles );
+
+    const std::vector<time_t>& timeSteps( const RifEclipseSummaryAddress& resultAddress ) const override;
+    bool        values( const RifEclipseSummaryAddress& resultAddress, std::vector<double>* values ) const override;
+    std::string unitName( const RifEclipseSummaryAddress& resultAddress ) const override;
+    RiaDefines::EclipseUnitSystem unitSystem() const override;
+
+private:
+    void buildMetaData();
+
+    static void increaseLodFileCount();
+
+    static RifEclipseSummaryAddress createAddressFromSummaryNode( const Opm::EclIO::SummaryNode& summaryNode,
+                                                                  Opm::EclIO::ESmry*             summaryFile );
+
+private:
+    std::unique_ptr<Opm::EclIO::ESmry>         m_eSmry;
+    std::vector<std::string>                   m_eSmryKeywords;
+    std::map<RifEclipseSummaryAddress, size_t> m_adrToSummaryNodeIndex;
+    std::vector<time_t>                        m_timeSteps;
+
+    static size_t sm_createdLodFileCount;
+
+    bool m_useLodsmryFiles;
+    bool m_createLodsmryFiles;
+};

ApplicationLibCode/FileInterface/RifReaderEclipseSummary.cpp

@@ -19,10 +19,13 @@
 #include "RifReaderEclipseSummary.h"
 
 #include "RiaFilePathTools.h"
+#include "RiaLogging.h"
+#include "RiaPreferences.h"
 #include "RiaStdStringTools.h"
 #include "RiaStringEncodingTools.h"
 
 #include "RifEclipseSummaryTools.h"
+#include "RifOpmCommonSummary.h"
 #include "RifReaderEclipseOutput.h"
 
 #include <cassert>
@@ -86,7 +89,7 @@ ecl_sum_type* openEclSum( const QString& inHeaderFileName, bool includeRestartFi
     QString     nativeHeaderFileName = QDir::toNativeSeparators( inHeaderFileName );
     RifEclipseSummaryTools::findSummaryFiles( nativeHeaderFileName, &headerFileName, &dataFileNames );
 
-    if ( headerFileName.isEmpty() || dataFileNames.size() == 0 ) return nullptr;
+    if ( headerFileName.isEmpty() || dataFileNames.isEmpty() ) return nullptr;
 
     assert( !headerFileName.isEmpty() );
     assert( dataFileNames.size() > 0 );
@@ -126,7 +129,7 @@ RifReaderEclipseSummary::RifReaderEclipseSummary()
     , m_ecl_SmSpec( nullptr )
     , m_unitSystem( RiaDefines::EclipseUnitSystem::UNITS_METRIC )
 {
-    m_valuesCache.reset( new ValuesCache() );
+    m_valuesCache = std::make_unique<ValuesCache>();
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -146,6 +149,30 @@ RifReaderEclipseSummary::~RifReaderEclipseSummary()
 //--------------------------------------------------------------------------------------------------
 bool RifReaderEclipseSummary::open( const QString& headerFileName, bool includeRestartFiles )
 {
+    bool useOpmCommonReader = RiaPreferences::current()->useOptimizedSummaryDataReader();
+
+    if ( useOpmCommonReader )
+    {
+        bool useLodsmryFiles = RiaPreferences::current()->useOptimizedSummaryDataFiles();
+        if ( useLodsmryFiles && includeRestartFiles )
+        {
+            RiaLogging::error(
+                "LODSMRY file loading for summary restart files is not supported. Disable one of the options" );
+
+            return false;
+        }
+
+        m_opmCommonReader = std::make_unique<RifOpmCommonEclipseSummary>();
+
+        m_opmCommonReader->useLodsmaryFiles( RiaPreferences::current()->useOptimizedSummaryDataFiles() );
+        m_opmCommonReader->createLodsmaryFiles( RiaPreferences::current()->createOptimizedSummaryDataFiles() );
+        m_opmCommonReader->open( headerFileName, includeRestartFiles );
+
+        buildMetaData();
+
+        return true;
+    }
+
     assert( m_ecl_sum == nullptr );
 
     m_ecl_sum = openEclSum( headerFileName, includeRestartFiles );
@@ -241,7 +268,7 @@ RifRestartFileInfo RifReaderEclipseSummary::getFileInfo( const QString& headerFi
     RifRestartFileInfo  fileInfo;
     ecl_sum_type*       ecl_sum   = openEclSum( headerFileName, false );
     std::vector<time_t> timeSteps = getTimeSteps( ecl_sum );
-    if ( timeSteps.size() > 0 )
+    if ( !timeSteps.empty() )
     {
         fileInfo.fileName  = headerFileName;
         fileInfo.startDate = timeSteps.front();
@@ -426,21 +453,32 @@ RifEclipseSummaryAddress addressFromErtSmSpecNode( const ecl::smspec_node& ertSu
 //--------------------------------------------------------------------------------------------------
 bool RifReaderEclipseSummary::values( const RifEclipseSummaryAddress& resultAddress, std::vector<double>* values ) const
 {
-    assert( m_ecl_sum != nullptr );
-
     values->clear();
     values->reserve( timeStepCount() );
 
+    // assert( m_ecl_sum != nullptr );
+
     const std::vector<double>& cachedValues = m_valuesCache->getValues( resultAddress );
     if ( !cachedValues.empty() )
     {
         values->insert( values->begin(), cachedValues.begin(), cachedValues.end() );
+
+        return true;
     }
-    else if ( m_ecl_SmSpec )
+
+    if ( m_opmCommonReader )
+    {
+        m_opmCommonReader->values( resultAddress, values );
+        m_valuesCache->insertValues( resultAddress, *values );
+
+        return true;
+    }
+
+    if ( m_ecl_SmSpec )
     {
         if ( m_differenceAddresses.count( resultAddress ) )
         {
-            std::string quantityName = resultAddress.quantityName();
+            const std::string& quantityName = resultAddress.quantityName();
             auto historyQuantity = quantityName.substr( 0, quantityName.size() - differenceIdentifier().size() ) +
                                    historyIdentifier();
 
@@ -494,13 +532,18 @@ bool RifReaderEclipseSummary::values( const RifEclipseSummaryAddress& resultAddr
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
-int RifReaderEclipseSummary::timeStepCount() const
+size_t RifReaderEclipseSummary::timeStepCount() const
 {
+    if ( m_opmCommonReader )
+    {
+        return m_timeSteps.size();
+    }
+
     assert( m_ecl_sum != nullptr );
 
     if ( m_ecl_SmSpec == nullptr ) return 0;
 
-    return ecl_sum_get_data_length( m_ecl_sum );
+    return static_cast<size_t>( ecl_sum_get_data_length( m_ecl_sum ) );
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -508,7 +551,7 @@ int RifReaderEclipseSummary::timeStepCount() const
 //--------------------------------------------------------------------------------------------------
 const std::vector<time_t>& RifReaderEclipseSummary::timeSteps( const RifEclipseSummaryAddress& resultAddress ) const
 {
-    assert( m_ecl_sum != nullptr );
+    //    assert( m_ecl_sum != nullptr );
 
     return m_timeSteps;
 }
@@ -535,6 +578,15 @@ void RifReaderEclipseSummary::buildMetaData()
     m_allResultAddresses.clear();
     m_resultAddressToErtNodeIdx.clear();
 
+    if ( m_opmCommonReader )
+    {
+        m_allResultAddresses = m_opmCommonReader->allResultAddresses();
+        m_allErrorAddresses  = m_opmCommonReader->allErrorAddresses();
+
+        m_timeSteps = m_opmCommonReader->timeSteps( RifEclipseSummaryAddress() );
+        return;
+    }
+
     if ( m_ecl_SmSpec )
     {
         int varCount = ecl_smspec_num_nodes( m_ecl_SmSpec );
@@ -556,7 +608,7 @@ void RifReaderEclipseSummary::buildMetaData()
             RifEclipseSummaryAddress adrWithoutHistory;
 
             {
-                std::string s = adr.quantityName();
+                const std::string& s = adr.quantityName();
                 if ( !RiaStdStringTools::endsWith( s, historyIdentifier() ) )
                 {
                     RifEclipseSummaryAddress candidate = adr;

ApplicationLibCode/FileInterface/RifReaderEclipseSummary.h

@@ -31,6 +31,8 @@
 #include <string>
 #include <vector>
 
+class RifOpmCommonEclipseSummary;
+
 //==================================================================================================
 //
 //
@@ -82,7 +84,7 @@ public:
     static const std::string historyIdentifier() { return "H"; }
 
 private:
-    int                timeStepCount() const;
+    size_t             timeStepCount() const;
     int                indexFromAddress( const RifEclipseSummaryAddress& resultAddress ) const;
     void               buildMetaData();
     RifRestartFileInfo getRestartFile( const QString& headerFileName );
@@ -104,6 +106,8 @@ private:
 
     std::set<RifEclipseSummaryAddress> m_differenceAddresses;
 
+    std::unique_ptr<RifOpmCommonEclipseSummary> m_opmCommonReader;
+
     //==================================================================================================
     //
     //==================================================================================================

ApplicationLibCode/ProjectDataModel/Summary/RimSummaryCaseMainCollection.cpp

@@ -15,13 +15,15 @@
 //  for more details.
 //
 /////////////////////////////////////////////////////////////////////////////////
+
 #include "RimSummaryCaseMainCollection.h"
 
+#include "RiaLogging.h"
 #include "RiaSummaryTools.h"
-#include "RimSummaryPlotCollection.h"
 
 #include "RifCaseRealizationParametersReader.h"
 #include "RifEclipseSummaryTools.h"
+#include "RifOpmCommonSummary.h"
 #include "RifSummaryCaseRestartSelector.h"
 
 #include "RimCaseDisplayNameTools.h"
@@ -35,8 +37,10 @@
 #include "RimSummaryCaseCollection.h"
 #include "RimSummaryCurve.h"
 #include "RimSummaryPlot.h"
+#include "RimSummaryPlotCollection.h"
 
 #include "cafProgressInfo.h"
+
 #include <QDir>
 
 CAF_PDM_SOURCE_INIT( RimSummaryCaseMainCollection, "SummaryCaseCollection" );
@@ -435,6 +439,8 @@ void RimSummaryCaseMainCollection::loadFileSummaryCaseData( std::vector<RimFileS
 
     caf::ProgressInfo progInfo( fileSummaryCases.size(), "Loading Summary Cases" );
 
+    RifOpmCommonEclipseSummary::resetLodCount();
+
 #pragma omp parallel for schedule( dynamic )
     for ( int cIdx = 0; cIdx < static_cast<int>( fileSummaryCases.size() ); ++cIdx )
     {
@@ -447,6 +453,13 @@ void RimSummaryCaseMainCollection::loadFileSummaryCaseData( std::vector<RimFileS
         progInfo.setProgress( cIdx );
     }
 
+    auto numberOfLodFilesCreated = RifOpmCommonEclipseSummary::numberOfLodFilesCreated();
+    if ( numberOfLodFilesCreated > 0 )
+    {
+        RiaLogging::info( QString( "Optimized Summary Reader : Converted and created %1 '*.LODSMRY' files on disk." )
+                              .arg( numberOfLodFilesCreated ) );
+    }
+
     for ( int cIdx = 0; cIdx < static_cast<int>( fileSummaryCases.size() ); ++cIdx )
     {
         RimFileSummaryCase* fileSummaryCase = fileSummaryCases[cIdx];

ApplicationLibCode/UnitTests/CMakeLists_files.cmake

@@ -74,6 +74,7 @@ ${CMAKE_CURRENT_LIST_DIR}/RiaStatisticsTools-Test.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RifStimPlanXmlReader-Test.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RigWellPathGeometryExporter-Test.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RifStimPlanModelDeviationFrkExporter-Test.cpp
+${CMAKE_CURRENT_LIST_DIR}/RifSummaryDataReader-Test.cpp
 )
 
 if (RESINSIGHT_ENABLE_GRPC)

ApplicationLibCode/UnitTests/RifSummaryDataReader-Test.cpp

@@ -0,0 +1,113 @@
+#include "gtest/gtest.h"
+
+//#include "RiaTestDataDirectory.h"
+
+#include "RifOpmCommonSummary.h"
+#include "RifReaderEclipseSummary.h"
+#include <chrono>
+
+size_t iterationCount = 5;
+size_t maxCount       = 500;
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+TEST( DISABLED_RifSummaryDataTest, OpmCommonAllData )
+{
+    QString filename = "e:/models/reek_history_match_large/realization-1/iter-0/eclipse/model/R001_REEK-1.SMSPEC";
+
+    for ( size_t iteration = 0; iteration < iterationCount; iteration++ )
+    {
+        RifOpmCommonEclipseSummary reader;
+
+        {
+            auto start = std::chrono::high_resolution_clock::now();
+
+            reader.open( filename, true );
+
+            auto                          end  = std::chrono::high_resolution_clock::now();
+            std::chrono::duration<double> diff = end - start;
+            std::cout << "OPM : Open " << std::setw( 9 ) << diff.count() << " s\n";
+        }
+
+        //     for ( auto adr : reader.allResultAddresses() )
+        //     {
+        //         std::cout << adr.uiText();
+        //         std::cout << std::endl;
+        //     }
+
+        {
+            auto start = std::chrono::high_resolution_clock::now();
+
+            size_t totalValuesRead = 0;
+
+            // do some work
+            size_t i = 0;
+            for ( auto adr : reader.allResultAddresses() )
+            {
+                std::vector<double> values;
+
+                reader.values( adr, &values );
+                totalValuesRead += values.size();
+                i++;
+                if ( i > maxCount ) break;
+            }
+
+            auto                          end  = std::chrono::high_resolution_clock::now();
+            std::chrono::duration<double> diff = end - start;
+            std::cout << "OPM Read data " << std::setw( 9 ) << totalValuesRead << "totalValueCount" << diff.count()
+                      << " s\n";
+        }
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+TEST( DISABLED_RifSummaryDataTest, LibEclAllData )
+{
+    QString filename = "e:/models/reek_history_match_large/realization-1/iter-0/eclipse/model/R001_REEK-1.SMSPEC";
+
+    for ( size_t iteration = 0; iteration < iterationCount; iteration++ )
+    {
+        RifReaderEclipseSummary reader;
+        {
+            auto start = std::chrono::high_resolution_clock::now();
+
+            reader.open( filename, true );
+
+            auto                          end  = std::chrono::high_resolution_clock::now();
+            std::chrono::duration<double> diff = end - start;
+            std::cout << "LibEcl : Open " << std::setw( 9 ) << diff.count() << " s\n";
+        }
+
+        //     for ( auto adr : reader.allResultAddresses() )
+        //     {
+        //         std::cout << adr.uiText();
+        //         std::cout << std::endl;
+        //     }
+
+        {
+            auto start = std::chrono::high_resolution_clock::now();
+
+            size_t totalValuesRead = 0;
+
+            size_t i = 0;
+            for ( auto adr : reader.allResultAddresses() )
+            {
+                std::vector<double> values;
+
+                reader.values( adr, &values );
+                totalValuesRead += values.size();
+
+                i++;
+                if ( i > maxCount ) break;
+            }
+
+            auto                          end  = std::chrono::high_resolution_clock::now();
+            std::chrono::duration<double> diff = end - start;
+            std::cout << "LibEcl read data" << std::setw( 9 ) << totalValuesRead << "totalValueCount" << diff.count()
+                      << " s\n";
+        }
+    }
+}

ThirdParty/custom-opm-common/CMakeLists.txt

@@ -78,6 +78,8 @@ add_library(${PROJECT_NAME}
     opm-common/src/opm/io/eclipse/EclOutput.cpp
     opm-common/src/opm/io/eclipse/EclUtil.cpp
     opm-common/src/opm/io/eclipse/EGrid.cpp
+    opm-common/src/opm/io/eclipse/ESmry.cpp
+    opm-common/src/opm/io/eclipse/EInit.cpp
 
     # Required for use of static function RstConnection::inverse_peaceman
     opm-common/src/opm/io/eclipse/rst/connection.cpp
@@ -95,6 +97,8 @@ if(RESINSIGHT_ENABLE_UNITY_BUILD)
     opm-common/src/opm/parser/eclipse/EclipseState/Schedule/Well/WListManager.cpp
     opm-common/src/opm/parser/eclipse/EclipseState/Schedule/MSW/SpiralICD.cpp
     opm-common/src/opm/io/eclipse/EclOutput.cpp
+    opm-common/src/opm/io/eclipse/ESmry.cpp
+    opm-common/src/opm/io/eclipse/EGrid.cpp
     )
 
     foreach(fileToExclude ${UNITY_EXCLUDE_FILES})

ThirdParty/custom-opm-common/opm-common/cross-platform/windows/Substitutes.cpp

@@ -1,6 +1,7 @@
 #ifdef _WIN32
 
 #include "Substitutes.hpp"
+#include <Shlwapi.h>
 
 int
 fnmatch(const char* pattern, const char* string, int flags)

ThirdParty/custom-opm-common/opm-common/cross-platform/windows/Substitutes.hpp

@@ -2,10 +2,6 @@
 
 #ifdef _WIN32
 
-#include <Shlwapi.h>
-#define NOMINMAX
-#include <windows.h>
-#undef NOMINMAX
 // IGNORE is used in InputErrorAction.hpp, as an enum value,
 // but is defined as a #def in WinBase.h which is included by Shlwapi.h.
 // It is not required here, so we can undefine it.

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/EGrid.hpp

@@ -20,6 +20,7 @@
 #define OPM_IO_EGRID_HPP
 
 #include <opm/io/eclipse/EclFile.hpp>
+#include <opm/common/utility/FileSystem.hpp>
 
 #include <array>
 #include <iostream>
@@ -34,7 +35,7 @@ namespace Opm { namespace EclIO {
 class EGrid : public EclFile
 {
 public:
-    explicit EGrid(const std::string& filename);
+    explicit EGrid(const std::string& filename, std::string grid_name = "global");
 
     int global_index(int i, int j, int k) const;
     int active_index(int i, int j, int k) const;
@@ -44,20 +45,54 @@ public:
     std::array<int, 3> ijk_from_active_index(int actInd) const;
     std::array<int, 3> ijk_from_global_index(int globInd) const;
 
-    void getCellCorners(int globindex, std::array<double,8>& X, std::array<double,8>& Y, std::array<double,8>& Z) const;
+    void getCellCorners(int globindex, std::array<double,8>& X, std::array<double,8>& Y, std::array<double,8>& Z);
-    void getCellCorners(const std::array<int, 3>& ijk, std::array<double,8>& X, std::array<double,8>& Y, std::array<double,8>& Z) const;
+    void getCellCorners(const std::array<int, 3>& ijk, std::array<double,8>& X, std::array<double,8>& Y, std::array<double,8>& Z);
 
     int activeCells() const { return nactive; }
     int totalNumberOfCells() const { return nijk[0] * nijk[1] * nijk[2]; }
 
+    void load_grid_data();
+    void load_nnc_data();
+    bool is_radial() const { return m_radial; }
+
+    const std::vector<int>& hostCellsGlobalIndex() const { return host_cells; }
+    std::vector<std::array<int, 3>> hostCellsIJK();
+
+    // zero based: i1, j1,k1, i2,j2,k2, transmisibility
+    using NNCentry = std::tuple<int, int, int, int, int, int, float>;
+    std::vector<NNCentry> get_nnc_ijk();
+
+    const std::vector<std::string>& list_of_lgrs() const { return lgr_names; }
+
 private:
+    Opm::filesystem::path inputFileName, initFileName;
+    std::string m_grid_name;
+    bool m_radial;
+
     std::array<int, 3> nijk;
-    int nactive;
+    std::array<int, 3> host_nijk;
+
+    int nactive, m_nncs;
+    mutable bool m_nncs_loaded;
 
     std::vector<int> act_index;
     std::vector<int> glob_index;
+
     std::vector<float> coord_array;
     std::vector<float> zcorn_array;
+
+    std::vector<int> nnc1_array;
+    std::vector<int> nnc2_array;
+    std::vector<float> transnnc_array;
+    std::vector<int> host_cells;
+
+    std::vector<std::string> lgr_names;
+
+    int zcorn_array_index;
+    int coord_array_index;
+    int actnum_array_index;
+    int nnc1_array_index;
+    int nnc2_array_index;
 };
 
 }} // namespace Opm::EclIO

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/EInit.hpp

@@ -0,0 +1,102 @@
+/*
+   Copyright 2020 Equinor ASA.
+
+   This file is part of the Open Porous Media project (OPM).
+
+   OPM is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   OPM is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#ifndef OPM_IO_EINIT_HPP
+#define OPM_IO_EINIT_HPP
+
+#include <opm/io/eclipse/EclFile.hpp>
+
+#include <array>
+#include <vector>
+#include <map>
+
+namespace Opm { namespace EclIO {
+
+class EInit : public EclFile
+{
+public:
+    explicit EInit(const std::string& filename);
+
+    const std::vector<std::string>& list_of_lgrs() const { return lgr_names; }
+
+    std::vector<EclFile::EclEntry> list_arrays() const;
+    std::vector<EclFile::EclEntry> list_arrays(const std::string& grid_name) const;
+
+    const std::array<int, 3>& grid_dimension(const std::string& grid_name = "global") const;
+    int activeCells(const std::string& grid_name = "global") const;
+
+    bool hasLGR(const std::string& name) const;
+
+    template <typename T>
+    const std::vector<T>& getInitData(const std::string& name, const std::string& grid_name = "global")
+    {
+        return this->ImplgetInitData<T>(name, grid_name);
+    }
+
+protected:
+
+    template <typename T>
+    const std::vector<T>& ImplgetInitData(const std::string& name, const std::string& grid_name = "global")
+    {
+        int arr_ind = get_array_index(name, grid_name);
+
+        if constexpr (std::is_same_v<T, int>)
+            return getImpl(arr_ind, INTE, inte_array, "integer");
+
+        if constexpr (std::is_same_v<T, float>)
+            return getImpl(arr_ind, REAL, real_array, "float");
+
+        if constexpr (std::is_same_v<T, double>)
+            return getImpl(arr_ind, DOUB, doub_array, "double");
+
+        if constexpr (std::is_same_v<T, bool>)
+            return getImpl(arr_ind, LOGI, logi_array, "bool");
+
+        if constexpr (std::is_same_v<T, std::string>)
+        {
+            if (array_type[arr_ind] == Opm::EclIO::CHAR)
+                return getImpl(arr_ind, array_type[arr_ind], char_array, "char");
+
+            if (array_type[arr_ind] == Opm::EclIO::C0NN)
+                return getImpl(arr_ind, array_type[arr_ind], char_array, "c0nn");
+
+            OPM_THROW(std::runtime_error, "Array not of type CHAR or C0nn");
+        }
+
+        OPM_THROW(std::runtime_error, "type not supported");
+    }
+
+private:
+    std::array<int, 3> global_nijk;
+    std::vector<std::array<int, 3>> lgr_nijk;
+
+    int global_nactive;
+    std::vector<int> lgr_nactive;
+
+    std::vector<std::string> lgr_names;
+
+    std::map<std::string,int> global_array_index;
+    std::vector<std::map<std::string,int>> lgr_array_index;
+
+    int get_array_index(const std::string& name, const std::string& grid_name) const;
+    int get_lgr_index(const std::string& grid_name) const;
+};
+
+}} // namespace Opm::EclIO
+
+#endif // OPM_IO_EINIT_HPP

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/ERst.hpp

@@ -27,6 +27,7 @@
 #include <unordered_map>
 #include <vector>
 
+
 namespace Opm { namespace EclIO { namespace OutputStream {
     class Restart;
 }}}
@@ -37,38 +38,68 @@ class ERst : public EclFile
 {
 public:
     explicit ERst(const std::string& filename);
+
     bool hasReportStepNumber(int number) const;
+    bool hasLGR(const std::string& gridname, int reportStepNumber) const;
 
     void loadReportStepNumber(int number);
 
     template <typename T>
-    const std::vector<T>& getRst(const std::string& name, int reportStepNumber, int occurrence);
+    const std::vector<T>& getRestartData(const std::string& name, int reportStepNumber)
+    {
+        return getRestartData<T>(name,reportStepNumber, 0);
+    }
 
     template <typename T>
-    const std::vector<T>& getRst(int index, int reportStepNumber){
+    const std::vector<T>& getRestartData(const std::string& name, int reportStepNumber, int occurrence);
+
+    template <typename T>
+    const std::vector<T>& getRestartData(const std::string& name, int reportStepNumber, const std::string& lgr_name);
+
+    template <typename T>
+    const std::vector<T>& getRestartData(int index, int reportStepNumber)
+    {
         auto indRange = this->getIndexRange(reportStepNumber);
         return  this->get<T>(index + std::get<0>(indRange));
     }
 
-    int count(const std::string& name, int reportStepNumber) const; 
+    template <typename T>
+    const std::vector<T>& getRestartData(int index, int reportStepNumber, const std::string& lgr_name)
+    {
+        auto indRange = this->getIndexRange(reportStepNumber);
+
+        if ((std::get<0>(indRange) + index) > std::get<1>(indRange))
+            OPM_THROW(std::invalid_argument, "getRestartData, index out of range");
+
+        int start_ind = get_start_index_lgrname(reportStepNumber, lgr_name);
+        return  this->get<T>(index + start_ind);
+    }
+
+    int occurrence_count(const std::string& name, int reportStepNumber) const;
     size_t numberOfReportSteps() const { return seqnum.size(); };
 
     const std::vector<int>& listOfReportStepNumbers() const { return seqnum; }
 
     std::vector<EclEntry> listOfRstArrays(int reportStepNumber);
+    std::vector<EclEntry> listOfRstArrays(int reportStepNumber, const std::string& lgr_name);
 
     friend class OutputStream::Restart;
 
 private:
     int nReports;
     std::vector<int> seqnum;                           // report step numbers, from SEQNUM array in restart file
-    std::unordered_map<int,bool> reportLoaded;
+    mutable std::unordered_map<int,bool> reportLoaded;
     std::map<int, std::pair<int,int>> arrIndexRange;   // mapping report step number to array indeces (start and end)
+    std::vector<std::vector<std::string>> lgr_names;                           // report step numbers, from SEQNUM array in restart file
 
     void initUnified();
     void initSeparate(const int number);
 
-    int getArrayIndex(const std::string& name, int seqnum, int occurrence) const;
+    int get_start_index_lgrname(int number, const std::string& lgr_name);
+
+    int getArrayIndex(const std::string& name, int seqnum, int occurrence);
+    int getArrayIndex(const std::string& name, int number, const std::string& lgr_name);
+
     std::tuple<int,int> getIndexRange(int reportStepNumber) const;
 
     std::streampos

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/ESmry.hpp

@@ -40,7 +40,7 @@ class ESmry
 public:
 
     // input is smspec (or fsmspec file)
-    explicit ESmry(const std::string& filename, bool loadBaseRunData=false);
+    explicit ESmry(const std::string& filename, bool loadBaseRunData=false, bool uselodsmry=false);
 
     int numberOfVectors() const { return nVect; }
 
@@ -57,6 +57,11 @@ public:
     void LoadData(const std::vector<std::string>& vectList) const;
     void LoadData() const;
 
+    bool make_lodsmry_file();
+
+    // Added based on requirements from ResInsight
+    void use_lodsmry_file(bool enable);
+
     std::chrono::system_clock::time_point startdate() const { return startdat; }
 
     const std::vector<std::string>& keywordList() const;
@@ -65,7 +70,7 @@ public:
 
     int timestepIdxAtReportstepStart(const int reportStep) const;
 
-    size_t numberOfTimeSteps() const { return timeStepList.size(); }
+    size_t numberOfTimeSteps() const { return nTstep; }
 
     const std::string& get_unit(const std::string& name) const;
     const std::string& get_unit(const SummaryNode& node) const;
@@ -73,10 +78,16 @@ public:
     void write_rsm(std::ostream&) const;
     void write_rsm_file(std::optional<Opm::filesystem::path> = std::nullopt) const;
 
+    void ijk_from_global_index(int glob, int &i, int &j, int &k) const;
 private:
-    Opm::filesystem::path inputFileName;
+
+    bool useLodsmryFile; // Added by ResInsight use
+
+    Opm::filesystem::path inputFileName, lodFileName;
     int nI, nJ, nK, nSpecFiles;
-    size_t nVect;
+    bool fromSingleRun, lodEnabeled;
+    uint64_t lod_offset, lod_arr_size;
+    size_t nVect, nTstep;
 
     std::vector<bool> formattedFiles;
     std::vector<std::string> dataFileList;
@@ -92,7 +103,6 @@ private:
 
     std::vector<int> seqIndex;
 
-    void ijk_from_global_index(int glob, int &i, int &j, int &k) const;
 
     std::vector<SummaryNode> summaryNodes;
     std::unordered_map<std::string, std::string> kwunits;
@@ -129,6 +139,9 @@ private:
 
     std::vector<std::tuple <std::string, uint64_t>> getListOfArrays(std::string filename, bool formatted);
     std::vector<int> makeKeywPosVector(int speInd) const;
+    std::string read_string_from_disk(std::fstream& fileH, uint64_t size) const;
+    void inspect_lodsmry();
+    void Load_from_lodsmry(const std::vector<int>& keywIndVect) const;
 };
 
 }} // namespace Opm::EclIO

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/EclFile.hpp

@@ -36,7 +36,7 @@ class EclFile
 {
 public:
     explicit EclFile(const std::string& filename, bool preload = false);
-    bool formattedInput() { return formatted; }
+    bool formattedInput() const { return formatted; }
 
     void loadData();                            // load all data
     void loadData(const std::string& arrName);         // load all arrays with array name equal to arrName
@@ -55,6 +55,8 @@ public:
     using EclEntry = std::tuple<std::string, eclArrType, int64_t>;
     std::vector<EclEntry> getList() const;
 
+    const std::vector<int>& getElementSizeList() const { return array_element_size; }
+
     template <typename T>
     const std::vector<T>& get(int arrIndex);
 
@@ -66,6 +68,7 @@ public:
 
     const std::vector<std::string>& arrayNames() const { return array_name; }
     std::size_t size() const;
+    bool is_ix() const;
 
 protected:
     bool formatted;
@@ -80,6 +83,7 @@ protected:
     std::vector<std::string> array_name;
     std::vector<eclArrType> array_type;
     std::vector<int64_t> array_size;
+    std::vector<int> array_element_size;
 
     std::vector<uint64_t> ifStreamPos;
 
@@ -111,6 +115,9 @@ private:
     void loadBinaryArray(std::fstream& fileH, std::size_t arrIndex);
     void loadFormattedArray(const std::string& fileStr, std::size_t arrIndex, int64_t fromPos);
 
+    std::vector<unsigned int> get_bin_logi_raw_values(int arrIndex) const;
+    std::vector<std::string> get_fmt_real_raw_str_values(int arrIndex) const;
+
 };
 
 }} // namespace Opm::EclIO

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/EclIOdata.hpp

@@ -26,13 +26,15 @@ namespace Opm { namespace EclIO {
 
     // type MESS have no assisiated data
     enum eclArrType {
-        INTE, REAL, DOUB, CHAR, LOGI, MESS
+        INTE, REAL, DOUB, CHAR, LOGI, MESS, C0NN
     };
 
     // named constants related to binary file format
-    const unsigned int true_value = 0xffffffff;
+    const unsigned int true_value_ecl = 0xffffffff;
+    const unsigned int true_value_ix = 0x1000000;
     const unsigned int false_value = 0x00000000;
 
+
     const int sizeOfInte =  4;    // number of bytes pr integer (inte) element
     const int sizeOfReal =  4;    // number of bytes pr float (real) element
     const int sizeOfDoub =  8;    // number of bytes pr double (doub) element

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/EclOutput.hpp

@@ -47,59 +47,71 @@ public:
                const std::vector<T>& data)
     {
         eclArrType arrType = MESS;
+        int element_size = 4;
+
         if (typeid(T) == typeid(int))
             arrType = INTE;
         else if (typeid(T) == typeid(float))
             arrType = REAL;
-        else if (typeid(T) == typeid(double))
+        else if (typeid(T) == typeid(double)){
             arrType = DOUB;
-        else if (typeid(T) == typeid(bool))
+            element_size = 8;
+        } else if (typeid(T) == typeid(bool))
             arrType = LOGI;
         else if (typeid(T) == typeid(char))
             arrType = MESS;
 
         if (isFormatted)
         {
-            writeFormattedHeader(name, data.size(), arrType);
+            writeFormattedHeader(name, data.size(), arrType, element_size);
             if (arrType != MESS)
                 writeFormattedArray(data);
         }
         else
         {
-            writeBinaryHeader(name, data.size(), arrType);
+            writeBinaryHeader(name, data.size(), arrType, element_size);
             if (arrType != MESS)
                 writeBinaryArray(data);
         }
     }
 
+    // when this function is used array type will be assumed C0NN (not CHAR).
+    // Also in cases where element size is 8 or less, element size will be 8.
+
+    void write(const std::string& name, const std::vector<std::string>& data, int element_size);
+
     void message(const std::string& msg);
     void flushStream();
 
+    void set_ix() { ix_standard = true; }
+
     friend class OutputStream::Restart;
     friend class OutputStream::SummarySpecification;
 
 private:
-    void writeBinaryHeader(const std::string& arrName, int64_t size, eclArrType arrType);
+    void writeBinaryHeader(const std::string& arrName, int64_t size, eclArrType arrType, int element_size);
 
     template <typename T>
     void writeBinaryArray(const std::vector<T>& data);
 
-    void writeBinaryCharArray(const std::vector<std::string>& data);
+    void writeBinaryCharArray(const std::vector<std::string>& data, int element_size);
     void writeBinaryCharArray(const std::vector<PaddedOutputString<8>>& data);
 
-    void writeFormattedHeader(const std::string& arrName, int size, eclArrType arrType);
+    void writeFormattedHeader(const std::string& arrName, int size, eclArrType arrType, int element_size);
 
     template <typename T>
     void writeFormattedArray(const std::vector<T>& data);
 
-    void writeFormattedCharArray(const std::vector<std::string>& data);
+    void writeFormattedCharArray(const std::vector<std::string>& data, int element_size);
     void writeFormattedCharArray(const std::vector<PaddedOutputString<8>>& data);
 
     void writeArrayType(const eclArrType arrType);
-    std::string make_real_string(float value) const;
+    std::string make_real_string_ecl(float value) const;
-    std::string make_doub_string(double value) const;
+    std::string make_real_string_ix(float value) const;
+    std::string make_doub_string_ecl(double value) const;
+    std::string make_doub_string_ix(double value) const;
 
-    bool isFormatted;
+    bool isFormatted, ix_standard;
     std::ofstream ofileH;
 };
 

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/EclUtil.hpp

@@ -23,6 +23,8 @@
 
 #include <string>
 #include <tuple>
+#include <vector>
+#include <functional>
 
 namespace Opm { namespace EclIO {
 
@@ -31,24 +33,52 @@ namespace Opm { namespace EclIO {
     float flipEndianFloat(float num);
     double flipEndianDouble(double num);
     bool isEOF(std::fstream* fileH);
+    bool fileExists(const std::string& filename);
+    bool isFormatted(const std::string& filename);
 
     std::tuple<int, int> block_size_data_binary(eclArrType arrType);
     std::tuple<int, int, int> block_size_data_formatted(eclArrType arrType);
 
     std::string trimr(const std::string &str1);
 
-    uint64_t sizeOnDiskBinary(int64_t num, Opm::EclIO::eclArrType arrType);
+    uint64_t sizeOnDiskBinary(int64_t num, Opm::EclIO::eclArrType arrType, int elementSize);
-    uint64_t sizeOnDiskFormatted(const int64_t num, Opm::EclIO::eclArrType arrType);
+    uint64_t sizeOnDiskFormatted(const int64_t num, Opm::EclIO::eclArrType arrType, int elementSize);
 
     void readBinaryHeader(std::fstream& fileH, std::string& tmpStrName,
                       int& tmpSize, std::string& tmpStrType);
 
     void readBinaryHeader(std::fstream& fileH, std::string& arrName,
-                      int64_t& size, Opm::EclIO::eclArrType &arrType);
+                      int64_t& size, Opm::EclIO::eclArrType &arrType, int& elementSize);
 
     void readFormattedHeader(std::fstream& fileH, std::string& arrName,
-                      int64_t &num, Opm::EclIO::eclArrType &arrType);
+                      int64_t &num, Opm::EclIO::eclArrType &arrType, int& elementSize);
 
+    template<typename T, typename T2>
+    std::vector<T> readBinaryArray(std::fstream& fileH, const int64_t size, Opm::EclIO::eclArrType type,
+                               std::function<T(T2)>& flip, int elementSize);
+
+    std::vector<int> readBinaryInteArray(std::fstream &fileH, const int64_t size);
+    std::vector<float> readBinaryRealArray(std::fstream& fileH, const int64_t size);
+    std::vector<double> readBinaryDoubArray(std::fstream& fileH, const int64_t size);
+    std::vector<bool> readBinaryLogiArray(std::fstream &fileH, const int64_t size);
+    std::vector<unsigned int> readBinaryRawLogiArray(std::fstream &fileH, const int64_t size);
+    std::vector<std::string> readBinaryCharArray(std::fstream& fileH, const int64_t size);
+    std::vector<std::string> readBinaryC0nnArray(std::fstream& fileH, const int64_t size, int elementSize);
+
+    template<typename T>
+    std::vector<T> readFormattedArray(const std::string& file_str, const int size, int64_t fromPos,
+                                       std::function<T(const std::string&)>& process);
+
+    std::vector<int> readFormattedInteArray(const std::string& file_str, const int64_t size, int64_t fromPos);
+
+    std::vector<std::string> readFormattedCharArray(const std::string& file_str, const int64_t size,
+                                                    int64_t fromPos, int elementSize);
+
+    std::vector<float> readFormattedRealArray(const std::string& file_str, const int64_t size, int64_t fromPos);
+    std::vector<std::string> readFormattedRealRawStrings(const std::string& file_str, const int64_t size, int64_t fromPos);
+
+    std::vector<bool> readFormattedLogiArray(const std::string& file_str, const int64_t size, int64_t fromPos);
+    std::vector<double> readFormattedDoubArray(const std::string& file_str, const int64_t size, int64_t fromPos);
 
 }} // namespace Opm::EclIO
 

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/SummaryNode.hpp

@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU General Public License
    along with OPM.  If not, see <http://www.gnu.org/licenses/>.
-   */
+*/
 
 #ifndef OPM_IO_SUMMARYNODE_HPP
 #define OPM_IO_SUMMARYNODE_HPP
@@ -25,11 +25,10 @@
 #include <string>
 #include <unordered_set>
 
-namespace Opm::EclIO {
+namespace Opm { namespace EclIO {
 
 struct SummaryNode {
     enum class Category {
-        Aquifer,
         Well,
         Group,
         Field,
@@ -37,6 +36,8 @@ struct SummaryNode {
         Block,
         Connection,
         Segment,
+        Aquifer,
+        Node,
         Miscellaneous,
     };
 
@@ -47,6 +48,7 @@ struct SummaryNode {
         Pressure,
         Count,
         Mode,
+        ProdIndex,
         Undefined,
     };
 
@@ -56,6 +58,8 @@ struct SummaryNode {
     std::string wgname;
     int         number;
 
+    std::optional<std::string> fip_region;
+
     constexpr static int default_number { std::numeric_limits<int>::min() };
 
     std::string unique_key() const;
@@ -72,6 +76,6 @@ struct SummaryNode {
     std::optional<std::string> display_number(number_renderer) const;
 };
 
-} // namespace Opm::EclIO
+}} // namespace Opm::EclIO
 
 #endif // OPM_IO_SUMMARYNODE_HPP

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/rst/group.hpp

@@ -32,12 +32,21 @@ struct RstHeader;
 
 struct RstGroup {
     RstGroup(const UnitSystem& unit_system,
+             const RstHeader& header,
              const std::string* zwel,
              const int * igrp,
              const float * sgrp,
              const double * xgrp);
 
     std::string name;
+
+    int parent_group;
+    int prod_active_cmode;
+    int gconprod_cmode;
+    int winj_cmode;
+    int ginj_cmode;
+    int guide_rate_def;
+
     float oil_rate_limit;
     float water_rate_limit;
     float gas_rate_limit;

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/rst/header.hpp

@@ -24,10 +24,12 @@
 #include <cstddef>
 
 namespace Opm {
+class UnitSystem;
+
 namespace RestartIO {
 
 struct RstHeader {
-    RstHeader(const std::vector<int>& intehead, const std::vector<bool>& logihead, const std::vector<double>& doubhead);
+    RstHeader(const UnitSystem& unit_system, const std::vector<int>& intehead, const std::vector<bool>& logihead, const std::vector<double>& doubhead);
 
     int nx;
     int ny;
@@ -82,10 +84,8 @@ struct RstHeader {
     int nilbrz;
     int ntfip ;
     int nmfipr;
-    int nrfreg;
-    int ntfreg;
-    int nplmix;
     int ngroup;
+    int nwgmax;
 
     bool e300_radial;
     bool e100_radial;
@@ -100,6 +100,7 @@ struct RstHeader {
     bool dir_eps;
     bool reversible_eps;
     bool alt_eps;
+    bool group_control_active;
 
     double next_timestep1;
     double next_timestep2;
@@ -110,6 +111,8 @@ struct RstHeader {
     double guide_rate_d;
     double guide_rate_e;
     double guide_rate_f;
+    double guide_rate_delay;
+    double guide_rate_damping;
     double udq_range;
     double udq_undefined;
     double udq_eps;

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/rst/state.hpp

@@ -35,6 +35,11 @@ namespace Opm {
 
 namespace RestartIO {
 struct RstState {
+    RstState(const ::Opm::UnitSystem& unit_system,
+             const std::vector<int>& intehead,
+             const std::vector<bool>& logihead,
+             const std::vector<double>& doubhead);
+
     RstState(const ::Opm::UnitSystem& unit_system,
              const std::vector<int>& intehead,
              const std::vector<bool>& logihead,

ThirdParty/custom-opm-common/opm-common/opm/io/eclipse/rst/well.hpp

@@ -66,14 +66,16 @@ struct RstWell {
     std::array<int, 2> ij;
     std::pair<int,int> k1k2;
     WellType wtype;
+    int well_status;
     int active_control;
     int vfp_table;
-    int pred_requested_control;
     bool allow_xflow;
+    int preferred_phase;
     int hist_requested_control;
     int msw_index;
     int completion_ordering;
     int pvt_table;
+    int msw_pressure_drop_model;
 
     float orat_target;
     float wrat_target;
@@ -88,12 +90,14 @@ struct RstWell {
     float datum_depth;
     float drainage_radius;
     float efficiency_factor;
+    float alq_value;
 
     double oil_rate;
     double water_rate;
     double gas_rate;
     double liquid_rate;
     double void_rate;
+    double thp;
     double flow_bhp;
     double wct;
     double gor;

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/EGrid.cpp

@@ -16,7 +16,12 @@
    along with OPM.  If not, see <http://www.gnu.org/licenses/>.
    */
 
+#define _USE_MATH_DEFINES
+#include <cmath> // For definition of M_PI
+
 #include <opm/io/eclipse/EGrid.hpp>
+#include <opm/io/eclipse/EInit.hpp>
+#include <opm/io/eclipse/EclUtil.hpp>
 
 #include <opm/common/ErrorMacros.hpp>
 
@@ -30,21 +35,86 @@
 
 namespace Opm { namespace EclIO {
 
-EGrid::EGrid(const std::string &filename) : EclFile(filename)
+using NNCentry = std::tuple<int, int, int, int, int,int, float>;
+
+EGrid::EGrid(const std::string &filename, std::string grid_name) :
+    EclFile(filename), inputFileName { filename }, m_grid_name {grid_name}
 {
-   EclFile file(filename);
+    initFileName = inputFileName.parent_path() / inputFileName.stem();
 
-   auto gridhead = get<int>("GRIDHEAD");
+    if (this->formattedInput())
+        initFileName += ".FINIT";
+    else
+        initFileName += ".INIT";
 
+    std::string lgrname = "global";
+
+    m_nncs_loaded = false;
+    actnum_array_index = -1;
+    nnc1_array_index = -1;
+    nnc2_array_index = -1;
+    m_radial = false;
+
+    int hostnum_index = -1;
+
+    for (size_t n = 0; n < array_name.size(); n++) {
+
+        if (array_name[n] == "ENDLGR")
+            lgrname = "global";
+
+        if (array_name[n] == "LGR") {
+            auto lgr = this->get<std::string>(n);
+            lgrname = lgr[0];
+            lgr_names.push_back(lgr[0]);
+        }
+
+        if (array_name[n] == "NNCHEAD"){
+            auto nnchead = this->get<int>(n);
+
+            if (nnchead[1] == 0)
+               lgrname = "global";
+            else
+               lgrname = lgr_names[nnchead[1] - 1];
+        }
+
+        if (lgrname == grid_name) {
+            if (array_name[n] == "GRIDHEAD") {
+                auto gridhead = get<int>(n);
                 nijk[0] = gridhead[1];
                 nijk[1] = gridhead[2];
                 nijk[2] = gridhead[3];
 
-   if (file.hasKey("ACTNUM")) {
+                if (gridhead.size() > 26)
-       auto actnum = get<int>("ACTNUM");
+                    m_radial = gridhead[26] > 0 ? true: false;
+            }
 
+            if (array_name[n] == "COORD")
+                coord_array_index= n;
+            else if (array_name[n] == "ZCORN")
+                zcorn_array_index= n;
+            else if (array_name[n] == "ACTNUM")
+                actnum_array_index= n;
+            else if (array_name[n] == "NNC1")
+                nnc1_array_index= n;
+            else if (array_name[n] == "NNC2")
+                nnc2_array_index= n;
+            else if (array_name[n] == "HOSTNUM")
+                hostnum_index= n;
+        }
+
+        if ((lgrname == "global") && (array_name[n] == "GRIDHEAD")) {
+            auto gridhead = get<int>(n);
+            host_nijk[0] = gridhead[1];
+            host_nijk[1] = gridhead[2];
+            host_nijk[2] = gridhead[3];
+        }
+
+    }
+
+    if (actnum_array_index != -1) {
+        auto actnum = this->get<int>(actnum_array_index);
         nactive = 0;
-       for (unsigned int i = 0; i < actnum.size(); i++) {
+        for (size_t i = 0; i < actnum.size(); i++) {
             if (actnum[i] > 0) {
                 act_index.push_back(nactive);
                 glob_index.push_back(i);
@@ -61,10 +131,104 @@ EGrid::EGrid(const std::string &filename) : EclFile(filename)
         std::iota(glob_index.begin(), glob_index.end(), 0);
     }
 
-   coord_array = get<float>("COORD");
+    if (hostnum_index > -1){
-   zcorn_array = get<float>("ZCORN");
+        auto hostnum = getImpl(hostnum_index, INTE, inte_array, "integer");
+        host_cells.reserve(hostnum.size());
+
+        for (auto val : hostnum)
+            host_cells.push_back(val -1);
+    }
 }
 
+std::vector<std::array<int, 3>> EGrid::hostCellsIJK()
+{
+    std::vector<std::array<int, 3>> res_vect;
+    res_vect.reserve(host_cells.size());
+
+    for (auto val : host_cells){
+        std::array<int, 3> tmp;
+        tmp[2] = val / (host_nijk[0] * host_nijk[1]);
+        int rest = val % (host_nijk[0] * host_nijk[1]);
+
+        tmp[1] = rest / host_nijk[0];
+        tmp[0] = rest % host_nijk[0];
+
+        res_vect.push_back(tmp);
+    }
+
+    return res_vect;
+}
+
+std::vector<NNCentry> EGrid::get_nnc_ijk()
+{
+    if (!m_nncs_loaded)
+        load_nnc_data();
+
+    std::vector<NNCentry> res_vect;
+    res_vect.reserve(nnc1_array.size());
+
+    for (size_t n=0; n< nnc1_array.size(); n++){
+        auto ijk1 = ijk_from_global_index(nnc1_array[n] - 1);
+        auto ijk2 = ijk_from_global_index(nnc2_array[n] - 1);
+
+        if (transnnc_array.size() > 0)
+            res_vect.push_back({ijk1[0], ijk1[1], ijk1[2], ijk2[0], ijk2[1], ijk2[2], transnnc_array[n]});
+        else
+            res_vect.push_back({ijk1[0], ijk1[1], ijk1[2], ijk2[0], ijk2[1], ijk2[2], -1.0 });
+    }
+
+    return res_vect;
+}
+
+
+void EGrid::load_grid_data()
+{
+    coord_array = getImpl(coord_array_index, REAL, real_array, "float");
+    zcorn_array = getImpl(zcorn_array_index, REAL, real_array, "float");
+}
+
+void EGrid::load_nnc_data()
+{
+    if ((nnc1_array_index > -1) && (nnc2_array_index > -1)) {
+
+        nnc1_array = getImpl(nnc1_array_index, Opm::EclIO::INTE, inte_array, "inte");
+        nnc2_array = getImpl(nnc2_array_index, Opm::EclIO::INTE, inte_array, "inte");
+
+        if ((Opm::filesystem::exists(initFileName)) && (nnc1_array.size() > 0)){
+            Opm::EclIO::EInit init(initFileName.string());
+
+            auto init_dims = init.grid_dimension(m_grid_name);
+            int init_nactive = init.activeCells(m_grid_name);
+
+            if (init_dims != nijk){
+                std::string message = "Dimensions of Egrid differ from dimensions found in init file. ";
+                std::string grid_str = std::to_string(nijk[0]) + "x" + std::to_string(nijk[1]) + "x" + std::to_string(nijk[2]);
+                std::string init_str = std::to_string(init_dims[0]) + "x" + std::to_string(init_dims[1]) + "x" + std::to_string(init_dims[2]);
+                message = message + "Egrid: " + grid_str + ". INIT file: " + init_str;
+                OPM_THROW(std::invalid_argument, message);
+            }
+
+            if (init_nactive != nactive){
+                std::string message = "Number of active cells are different in Egrid and Init file.";
+                message = message + " Egrid: " + std::to_string(nactive) + ". INIT file: " + std::to_string(init_nactive);
+                OPM_THROW(std::invalid_argument, message);
+            }
+
+            auto trans_data = init.getInitData<float>("TRANNNC", m_grid_name);
+
+            if (trans_data.size() != nnc1_array.size()){
+                std::string message = "inconsistent size of array TRANNNC in init file. ";
+                message = message + " Size of NNC1 and NNC2: " + std::to_string(nnc1_array.size());
+                message = message + " Size of TRANNNC: " + std::to_string(trans_data.size());
+                OPM_THROW(std::invalid_argument, message);
+            }
+
+            transnnc_array = trans_data;
+        }
+
+        m_nncs_loaded = true;
+    }
+}
 
 int EGrid::global_index(int i, int j, int k) const
 {
@@ -129,12 +293,14 @@ std::array<int, 3> EGrid::ijk_from_global_index(int globInd) const
 void EGrid::getCellCorners(const std::array<int, 3>& ijk,
                            std::array<double,8>& X,
                            std::array<double,8>& Y,
-                           std::array<double,8>& Z) const
+                           std::array<double,8>& Z)
 {
+    if (coord_array.empty())
+        load_grid_data();
+
     std::vector<int> zind;
     std::vector<int> pind;
 
-
    // calculate indices for grid pillars in COORD arrray
     pind.push_back(ijk[1]*(nijk[0]+1)*6 + ijk[0]*6);
     pind.push_back(pind[0] + 6);
@@ -147,22 +313,32 @@ void EGrid::getCellCorners(const std::array<int, 3>& ijk,
     zind.push_back(zind[0] + nijk[0]*2);
     zind.push_back(zind[2] + 1);
 
-   for (int n = 0; n < 4; n++) {
+    for (int n = 0; n < 4; n++)
         zind.push_back(zind[n] + nijk[0]*nijk[1]*4);
-   }
 
-   for (int n = 0; n< 8; n++){
+    for (int n = 0; n< 8; n++)
         Z[n] = zcorn_array[zind[n]];
-   }
 
     for (int  n = 0; n < 4; n++) {
-       double xt = coord_array[pind[n]];
+        double xt;
-       double yt = coord_array[pind[n] + 1];
+        double yt;
-       double zt = coord_array[pind[n] + 2];
+        double xb;
+        double yb;
 
-       double xb = coord_array[pind[n] + 3];
+        double zt = coord_array[pind[n] + 2];
-       double yb = coord_array[pind[n] + 4];
+        double zb = coord_array[pind[n] + 5];
-       double zb = coord_array[pind[n]+5];
+
+        if (m_radial) {
+            xt = coord_array[pind[n]] * cos(coord_array[pind[n] + 1] / 180.0 * M_PI);
+            yt = coord_array[pind[n]] * sin(coord_array[pind[n] + 1] / 180.0 * M_PI);
+            xb = coord_array[pind[n]+3] * cos(coord_array[pind[n] + 4] / 180.0 * M_PI);
+            yb = coord_array[pind[n]+3] * sin(coord_array[pind[n] + 4] / 180.0 * M_PI);
+        } else {
+            xt = coord_array[pind[n]];
+            yt = coord_array[pind[n] + 1];
+            xb = coord_array[pind[n] + 3];
+            yb = coord_array[pind[n] + 4];
+        }
 
         X[n] = xt + (xb-xt) / (zt-zb) * (zt - Z[n]);
         X[n+4] = xt + (xb-xt) / (zt-zb) * (zt-Z[n+4]);
@@ -173,8 +349,9 @@ void EGrid::getCellCorners(const std::array<int, 3>& ijk,
 }
 
 
+
 void EGrid::getCellCorners(int globindex, std::array<double,8>& X,
-                           std::array<double,8>& Y, std::array<double,8>& Z) const
+                           std::array<double,8>& Y, std::array<double,8>& Z)
 {
     return getCellCorners(ijk_from_global_index(globindex),X,Y,Z);
 }

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/EInit.cpp

@@ -0,0 +1,161 @@
+/*
+   Copyright 2020 Equinor ASA.
+
+   This file is part of the Open Porous Media project (OPM).
+
+   OPM is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   OPM is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#include <opm/io/eclipse/EInit.hpp>
+#include <opm/common/ErrorMacros.hpp>
+
+#include <algorithm>
+
+namespace Opm { namespace EclIO {
+
+
+EInit::EInit(const std::string &filename) : EclFile(filename)
+{
+    std::string lgrname;
+    std::string nncname;
+
+    lgrname = "global";
+
+    for (size_t n = 0; n < array_name.size(); n++) {
+        if (array_name[n] == "LGR"){
+            auto lgr = this->get<std::string>(n);
+            lgrname = lgr[0];
+
+            if (std::find(lgr_names.begin(), lgr_names.end(), lgrname) == lgr_names.end()){
+                lgr_names.push_back(lgrname);
+                lgr_array_index.push_back({});
+                lgr_nijk.push_back({});
+                lgr_nactive.push_back(0);
+            }
+        }
+
+        if (array_name[n] == "LGRSGONE")
+            lgrname = "global";
+
+        if ((lgrname == "global") && (array_name[n] != "LGRSGONE"))
+            global_array_index[array_name[n]] = n;
+
+        if ((lgrname != "global") && (array_name[n] != "LGRSGONE") && (array_name[n] != "LGR"))
+        {
+           auto it = std::find(lgr_names.begin(), lgr_names.end(), lgrname);
+           size_t ind = std::distance(lgr_names.begin(), it);
+           lgr_array_index[ind][array_name[n]] = n;
+        }
+
+        if (array_name[n] == "INTEHEAD")
+        {
+            auto inteh = getImpl(n, INTE, inte_array, "integer");
+
+            if (lgrname == "global") {
+                global_nijk = {inteh[8], inteh[9], inteh[10]};
+                global_nactive = inteh[11];
+            } else {
+               auto it = std::find(lgr_names.begin(), lgr_names.end(), lgrname);
+               size_t lgr_ind = std::distance(lgr_names.begin(), it);
+               lgr_nijk[lgr_ind] = {inteh[8], inteh[9], inteh[10]};
+               lgr_nactive[lgr_ind] = inteh[11];
+            }
+        }
+    }
+}
+
+
+int EInit::get_array_index(const std::string& name, const std::string& grid_name) const
+{
+    if (grid_name == "global"){
+        if (global_array_index.count(name) == 0)
+            OPM_THROW(std::runtime_error, "Map key '" + name + "' not found in global_array_index");
+
+        return global_array_index.at(name);
+
+    } else {
+
+        int lgr_index = get_lgr_index(grid_name);
+
+        if (lgr_array_index[lgr_index].count(name) == 0)
+            OPM_THROW(std::invalid_argument, "Map key '" + name + "' not found in lgr_array_index");
+
+        return lgr_array_index[lgr_index].at(name);
+    }
+};
+
+int EInit::activeCells(const std::string& grid_name) const
+{
+    if (grid_name == "global")
+        return global_nactive;
+    else
+        return lgr_nactive[get_lgr_index(grid_name)];
+}
+
+const std::array<int, 3>& EInit::grid_dimension(const std::string& grid_name) const
+{
+    if (grid_name == "global")
+        return global_nijk;
+    else
+        return lgr_nijk[get_lgr_index(grid_name)];
+}
+
+bool EInit::hasLGR(const std::string& name) const{
+    if (std::find(lgr_names.begin(), lgr_names.end(), name) == lgr_names.end())
+        return false;
+    else
+        return true;
+}
+
+int EInit::get_lgr_index(const std::string& grid_name) const
+{
+    auto it = std::find(lgr_names.begin(), lgr_names.end(), grid_name);
+
+    if (it == lgr_names.end()) {
+        std::string message = "LGR '" + grid_name + "' not found in init file.";
+        OPM_THROW(std::invalid_argument, message);
+    }
+
+    return  std::distance(lgr_names.begin(), it);
+}
+
+std::vector<EclFile::EclEntry> EInit::list_arrays(const std::string& grid_name) const
+{
+    std::vector<EclEntry> array_list;
+
+    int lgr_index = this->get_lgr_index(grid_name);
+
+    for (auto const& x : lgr_array_index[lgr_index])
+    {
+        int ind = x.second;
+        array_list.push_back(std::make_tuple(array_name[ind], array_type[ind], array_size[ind]));
+    }
+
+    return array_list;
+}
+
+std::vector<EclFile::EclEntry> EInit::list_arrays() const
+{
+    std::vector<EclEntry> array_list;
+
+    for (auto const& x : global_array_index)
+    {
+        int ind = x.second;
+        array_list.push_back(std::make_tuple(array_name[ind], array_type[ind], array_size[ind]));
+    }
+
+    return array_list;
+}
+
+
+}} // namespace Opm::EclIO

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/ERsm.cpp

@@ -22,6 +22,8 @@
 #include <cmath>
 #include <chrono>
 
+#include <fmt/format.h>
+
 #include <opm/io/eclipse/ERsm.hpp>
 #include <opm/io/eclipse/ESmry.hpp>
 #include <opm/common/utility/FileSystem.hpp>
@@ -174,7 +176,8 @@ void ERsm::load_block(std::deque<std::string>& lines, std::size_t& vector_length
                                  SummaryNode::category_from_keyword(kw_list[kw_index]),
                                  SummaryNode::Type::Undefined,
                                  wgnames[kw_index],
-                                 make_num(nums_list[kw_index])};
+                                 make_num(nums_list[kw_index]),
+                                 ""};
         block_data.emplace_back( node, vector_length );
     }
 
@@ -254,22 +257,30 @@ bool cmp(const ESmry& smry, const ERsm& rsm) {
     const auto& summary_dates = smry.dates();
     if (rsm.has_dates()) {
         const auto& rsm_dates = rsm.dates();
-        if (rsm_dates.size() != summary_dates.size())
+        if (rsm_dates.size() != summary_dates.size()) {
+            fmt::print(stderr, "len(summary) = {}    len(rsm) = {}", summary_dates.size(), rsm_dates.size());
             return false;
+        }
 
         for (std::size_t time_index = 0; time_index < rsm_dates.size(); time_index++) {
             const auto smry_ts = TimeStampUTC( std::chrono::system_clock::to_time_t(summary_dates[time_index]) );
             const auto rsm_ts = rsm_dates[time_index];
 
-            if (smry_ts.year() != rsm_ts.year())
+            if (smry_ts.year() != rsm_ts.year()) {
+                fmt::print(stderr, "time_index: {}  summary.year: {}   rsm.year: {}", time_index, smry_ts.year(), rsm_ts.year());
                 return false;
+            }
 
-            if (smry_ts.month() != rsm_ts.month())
+            if (smry_ts.month() != rsm_ts.month()) {
+                fmt::print(stderr, "time_index: {}  summary.month: {}   rsm.month: {}", time_index, smry_ts.month(), rsm_ts.month());
                 return false;
+            }
 
-            if (smry_ts.day() != rsm_ts.day())
+            if (smry_ts.day() != rsm_ts.day()) {
+                fmt::print(stderr, "time_index: {}  summary.day: {}   rsm.day: {}", time_index, smry_ts.day(), rsm_ts.day());
                 return false;
             }
+        }
     } else {
         const auto& rsm_days = rsm.days();
         if (rsm_days.size() != summary_dates.size())
@@ -280,10 +291,12 @@ bool cmp(const ESmry& smry, const ERsm& rsm) {
             using TP      = time_point<system_clock>;
             auto smry_days = duration_cast<TP::duration>(summary_dates[time_index] - summary_dates[0]).count() / 86400.0 ;
 
-            if (!cmp::scalar_equal(smry_days, rsm_days[time_index]))
+            if (!cmp::scalar_equal(smry_days, rsm_days[time_index])) {
+                fmt::print(stderr, "time_index: {}  summary.days: {}   rsm.days: {}", time_index, smry_days, rsm_days[time_index]);
                 return false;
             }
         }
+    }
 
     for (const auto& node : smry.summaryNodeList()) {
         const auto& key = node.unique_key();
@@ -309,13 +322,16 @@ bool cmp(const ESmry& smry, const ERsm& rsm) {
         const auto& smry_vector = smry.get(node);
         const auto& rsm_vector = rsm.get(key);
         for (std::size_t index = 0; index < smry_vector.size(); index++) {
+            const double eps  = 5e-5;
             const double diff = static_cast<double>(smry_vector[index]) - rsm_vector[index];
             const double sum = std::fabs(static_cast<double>(smry_vector[index])) + std::fabs(rsm_vector[index]);
 
-            if (diff > 1e-5 * sum)
+            if (diff > eps * sum) {
+                fmt::print(stderr, "time_index: {}  key: {}  summary: {}   rsm: {}", index, key, smry_vector[index], rsm_vector[index]);
                 return false;
             }
         }
+    }
 
     return true;
 }

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/ERst.cpp

@@ -28,8 +28,6 @@
 #include <stdexcept>
 #include <string>
 
-#include <iostream>
-
 
 namespace {
     int seqnumFromSeparateFilename(const std::string& filename)
@@ -80,9 +78,9 @@ void ERst::loadReportStepNumber(int number)
     }
 
     std::vector<int> arrayIndexList;
-    arrayIndexList.reserve(arrIndexRange[number].second - arrIndexRange[number].first + 1);
+    arrayIndexList.reserve(arrIndexRange.at(number).second - arrIndexRange.at(number).first + 1);
 
-    for (int i = arrIndexRange[number].first; i < arrIndexRange[number].second; i++) {
+    for (int i = arrIndexRange.at(number).first; i < arrIndexRange.at(number).second; i++) {
         arrayIndexList.push_back(i);
     }
 
@@ -93,6 +91,12 @@ void ERst::loadReportStepNumber(int number)
 
 
 std::vector<EclFile::EclEntry> ERst::listOfRstArrays(int reportStepNumber)
+{
+    return this->listOfRstArrays(reportStepNumber, "global");
+}
+
+
+std::vector<EclFile::EclEntry> ERst::listOfRstArrays(int reportStepNumber, const std::string& lgr_name)
 {
     std::vector<EclEntry> list;
 
@@ -101,19 +105,49 @@ std::vector<EclFile::EclEntry> ERst::listOfRstArrays(int reportStepNumber)
         OPM_THROW(std::invalid_argument, message);
     }
 
-    const auto& rng = this->arrIndexRange[reportStepNumber];
+    if ((lgr_name != "global") && (!this->hasLGR(lgr_name, reportStepNumber))) {
-    list.reserve(rng.second - rng.first);
+        std::string message = "Trying to get list of arrays from non existing LGR " + lgr_name;
-
+        OPM_THROW(std::invalid_argument, message);
-    for (int i = rng.first;  i < rng.second; i++) {
-        list.emplace_back(array_name[i], array_type[i], array_size[i]);
     }
 
+    std::string lgr_name_upper = lgr_name;
+    std::transform(lgr_name_upper.begin(), lgr_name_upper.end(),lgr_name_upper.begin(), ::toupper);
+
+    int start_ind_lgr;
+    std::string last_array_name;
+
+    if ((lgr_name == "") or (lgr_name_upper == "GLOBAL")){
+        auto rng = this->arrIndexRange.at(reportStepNumber);
+        start_ind_lgr = std::get<0>(rng);
+
+        // if keyword LGR not found, loop will be stopped with keyword SEQNUM (next report step)
+        // or last array (end of file)
+        // Opm flow can have extra keywords after ENDSOL, which maks ENDSOL
+        // not usable for a global arrays end signal.
+
+        last_array_name = "LGR";
+    } else {
+        start_ind_lgr = get_start_index_lgrname(reportStepNumber, lgr_name);
+        last_array_name = "ENDLGR";
+    }
+
+    int n = start_ind_lgr;
+    list.emplace_back(array_name[n], array_type[n], array_size[n]);
+
+    do {
+        n++;
+
+        if ((array_name[n] != "SEQNUM") && (array_name[n] != "LGR"))
+            list.emplace_back(array_name[n], array_type[n], array_size[n]);
+
+    }   while ((array_name[n] != "SEQNUM") && (array_name[n] != last_array_name) && (n < static_cast<int>(array_name.size()) -1 ));
+
     return list;
 }
 
-int ERst::count(const std::string& name, int reportStepNumber) const
-{
 
+int ERst::occurrence_count(const std::string& name, int reportStepNumber) const
+{
     if (!hasReportStepNumber(reportStepNumber)) {
         std::string message = "Trying to count vectors of name " + name + " from non existing sequence " + std::to_string(reportStepNumber);
         OPM_THROW(std::invalid_argument, message);
@@ -145,9 +179,14 @@ void ERst::initUnified()
             auto seqn = get<int>(i);
             seqnum.push_back(seqn[0]);
             firstIndex.push_back(i);
-        }
+            lgr_names.push_back({});
         }
 
+        if (array_name[i] == "LGRNAMES") {
+            auto names = getImpl(i, CHAR, char_array, "string");
+            lgr_names[seqnum.size() -1 ] = names;
+        }
+    }
 
     for (size_t i = 0; i < seqnum.size(); i++) {
         std::pair<int,int> range;
@@ -169,6 +208,21 @@ void ERst::initUnified()
     }
 }
 
+bool ERst::hasLGR(const std::string& gridname, int reportStepNumber) const
+{
+    if (!hasReportStepNumber(reportStepNumber)) {
+        std::string message = "Checking for LGR name in non existing sequence " + std::to_string(reportStepNumber);
+        OPM_THROW(std::invalid_argument, message);
+    }
+
+   auto it_seqnum = std::find(seqnum.begin(), seqnum.end(), reportStepNumber);
+   int report_index = std::distance(seqnum.begin(), it_seqnum);
+   auto it_lgrname = std::find(lgr_names[report_index].begin(), lgr_names[report_index].end(), gridname);
+
+   return  (it_lgrname != lgr_names[report_index].end());
+}
+
+
 void ERst::initSeparate(const int number)
 {
     auto& range = this->arrIndexRange[number];
@@ -178,6 +232,41 @@ void ERst::initSeparate(const int number)
     this->seqnum.assign(1, number);
     this->nReports = 1;
     this->reportLoaded[number] = false;
+    this->lgr_names.push_back({});
+
+    for (int i = range.first;  i < range.second; i++) {
+        if (array_name[i] == "LGRNAMES") {
+            auto names = getImpl(i, CHAR, char_array, "string");
+            lgr_names[0] = names;
+        }
+    }
+}
+
+int ERst::get_start_index_lgrname(int number, const std::string& lgr_name)
+{
+    if (!hasReportStepNumber(number)) {
+        std::string message = "Trying to get a restart vector from non report step " + std::to_string(number);
+        OPM_THROW(std::invalid_argument, message);
+    }
+
+    auto range_it = arrIndexRange.find(number);
+    std::pair<int,int> indexRange = range_it->second;
+    int start_ind_lgr = -1;
+
+    for (int n = indexRange.first; n < indexRange.second; n++) {
+        if (array_name[n] == "LGR") {
+            auto arr = getImpl(n, CHAR, char_array, "string");
+            if (arr[0] == lgr_name)
+                start_ind_lgr = n;
+        }
+    }
+
+    if (start_ind_lgr == -1){
+        std::string message = "LGR '" + lgr_name + "'not found in restart file";
+        OPM_THROW(std::runtime_error, message);
+    }
+
+    return start_ind_lgr;
 }
 
 std::tuple<int,int> ERst::getIndexRange(int reportStepNumber) const {
@@ -192,13 +281,14 @@ std::tuple<int,int> ERst::getIndexRange(int reportStepNumber) const {
     return range_it->second;
 }
 
-int ERst::getArrayIndex(const std::string& name, int number, int occurrenc) const
+int ERst::getArrayIndex(const std::string& name, int number, int occurrenc)
 {
     if (!hasReportStepNumber(number)) {
         std::string message = "Trying to get vector " + name + " from non existing sequence " + std::to_string(number);
         OPM_THROW(std::invalid_argument, message);
     }
 
+
     auto range_it = arrIndexRange.find(number);
 
     std::pair<int,int> indexRange = range_it->second;
@@ -218,6 +308,25 @@ int ERst::getArrayIndex(const std::string& name, int number, int occurrenc) cons
     return std::distance(array_name.begin(), it);
 }
 
+int ERst::getArrayIndex(const std::string& name, int number, const std::string& lgr_name)
+{
+    auto range_it = arrIndexRange.find(number);
+    std::pair<int,int> indexRange = range_it->second;
+
+    int start_ind_lgr = get_start_index_lgrname(number, lgr_name);
+
+    auto it = std::find(array_name.begin() + start_ind_lgr,
+                        array_name.begin() + indexRange.second, name);
+
+    if (std::distance(array_name.begin(),it) == indexRange.second) {
+        std::string message = "Array " + name + " not found for " + lgr_name;
+        OPM_THROW(std::runtime_error, message);
+    }
+
+    return std::distance(array_name.begin(), it);
+}
+
+
 std::streampos
 ERst::restartStepWritePosition(const int seqnumValue) const
 {
@@ -229,38 +338,74 @@ ERst::restartStepWritePosition(const int seqnumValue) const
 }
 
 template<>
-const std::vector<int>& ERst::getRst<int>(const std::string& name, int reportStepNumber, int occurrence)
+const std::vector<int>& ERst::getRestartData<int>(const std::string& name, int reportStepNumber, int occurrence)
 {
     int ind = getArrayIndex(name, reportStepNumber, occurrence);
     return getImpl(ind, INTE, inte_array, "integer");
 }
 
 template<>
-const std::vector<float>& ERst::getRst<float>(const std::string& name, int reportStepNumber, int occurrence)
+const std::vector<float>& ERst::getRestartData<float>(const std::string& name, int reportStepNumber, int occurrence)
 {
     int ind = getArrayIndex(name, reportStepNumber, occurrence);
     return getImpl(ind, REAL, real_array, "float");
 }
 
 template<>
-const std::vector<double>& ERst::getRst<double>(const std::string& name, int reportStepNumber, int occurrence)
+const std::vector<double>& ERst::getRestartData<double>(const std::string& name, int reportStepNumber, int occurrence)
 {
     int ind = getArrayIndex(name, reportStepNumber, occurrence);
     return getImpl(ind, DOUB, doub_array, "double");
 }
 
 template<>
-const std::vector<bool>& ERst::getRst<bool>(const std::string& name, int reportStepNumber, int occurrence)
+const std::vector<bool>& ERst::getRestartData<bool>(const std::string& name, int reportStepNumber, int occurrence)
 {
     int ind = getArrayIndex(name, reportStepNumber, occurrence);
     return getImpl(ind, LOGI, logi_array, "bool");
 }
 
 template<>
-const std::vector<std::string>& ERst::getRst<std::string>(const std::string& name, int reportStepNumber, int occurrence)
+const std::vector<std::string>& ERst::getRestartData<std::string>(const std::string& name, int reportStepNumber, int occurrence)
 {
     int ind = getArrayIndex(name, reportStepNumber, occurrence);
     return getImpl(ind, CHAR, char_array, "string");
 }
 
+template<>
+const std::vector<float>& ERst::getRestartData<float>(const std::string& name, int reportStepNumber,const std::string& lgr_name)
+{
+    int ind = getArrayIndex(name, reportStepNumber, lgr_name);
+    return getImpl(ind, REAL, real_array, "float");
+}
+
+template<>
+const std::vector<double>& ERst::getRestartData<double>(const std::string& name, int reportStepNumber,const std::string& lgr_name)
+{
+    int ind = getArrayIndex(name, reportStepNumber, lgr_name);
+    return getImpl(ind, DOUB, doub_array, "double");
+}
+
+template<>
+const std::vector<int>& ERst::getRestartData<int>(const std::string& name, int reportStepNumber,const std::string& lgr_name)
+{
+    int ind = getArrayIndex(name, reportStepNumber, lgr_name);
+    return getImpl(ind, INTE, inte_array, "int");
+}
+
+template<>
+const std::vector<bool>& ERst::getRestartData<bool>(const std::string& name, int reportStepNumber,const std::string& lgr_name)
+{
+    int ind = getArrayIndex(name, reportStepNumber, lgr_name);
+    return getImpl(ind, LOGI, logi_array, "bool");
+}
+
+template<>
+const std::vector<std::string>& ERst::getRestartData<std::string>(const std::string& name, int reportStepNumber,const std::string& lgr_name)
+{
+    int ind = getArrayIndex(name, reportStepNumber, lgr_name);
+    return getImpl(ind, CHAR, char_array, "char");
+}
+
+
 }} // namespace Opm::ecl

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/ESmry.cpp

@@ -21,6 +21,7 @@
 #include <opm/common/utility/TimeService.hpp>
 #include <opm/io/eclipse/EclFile.hpp>
 #include <opm/io/eclipse/EclUtil.hpp>
+#include <opm/io/eclipse/EclOutput.hpp>
 
 #include <algorithm>
 #include <chrono>
@@ -30,9 +31,18 @@
 #include <set>
 #include <stdexcept>
 #include <string>
+
+#ifdef _WIN32
+#include "cross-platform/windows/Substitutes.hpp"
+#else
 #include <fnmatch.h>
+#endif
+
 #include <fstream>
 #include <cmath>
+#include <cstring>
+
+#include <ciso646>
 
 /*
 
@@ -83,14 +93,17 @@ std::chrono::system_clock::time_point make_date(const std::vector<int>& datetime
 
 namespace Opm { namespace EclIO {
 
-ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
+ESmry::ESmry(const std::string &filename, bool loadBaseRunData , bool uselodsmry ) :
     inputFileName { filename },
-    summaryNodes { }
+    summaryNodes { },
+    useLodsmryFile(uselodsmry)
 {
+    fromSingleRun = !loadBaseRunData;
 
     Opm::filesystem::path rootName = inputFileName.parent_path() / inputFileName.stem();
 
-    // if root name (without any extension) given as first argument in constructor, binary will then be assumed
+    // if only root name (without any extension) given as first argument in constructor
+    // binary will then be assumed
 
     if (inputFileName.extension()=="")
         inputFileName+=".SMSPEC";
@@ -101,6 +114,16 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
     const bool formatted = inputFileName.extension()==".SMSPEC" ? false : true;
     formattedFiles.push_back(formatted);
 
+    if (formatted)
+        lodFileName = rootName += ".FLODSMRY";
+    else
+        lodFileName = rootName += ".LODSMRY";
+
+    if ((!loadBaseRunData) && (Opm::filesystem::exists(lodFileName)))
+        lodEnabeled = true;
+    else
+        lodEnabeled = false;
+
     Opm::filesystem::path path = Opm::filesystem::current_path();
 
     updatePathAndRootName(path, rootName);
@@ -120,28 +143,44 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
         "SUMTHIN",
     } ;
 
+    std::vector<EclFile> smspecList;
+    std::vector<std::string> vectList = {"DIMENS", "RESTART", "KEYWORDS", "NUMS", "UNITS"};
+
     // Read data from the summary into local data members.
     {
-        EclFile smspec(smspec_file.string());
+        smspecList.emplace_back(EclFile(smspec_file.string()));
 
-        smspec.loadData();   // loading all data
+        auto arrays = smspecList.back().getList();
+        std::vector<int> vectIndices;
 
-        const std::vector<int> dimens = smspec.get<int>("DIMENS");
+        for (size_t n = 0; n < arrays.size(); n++)
+            if(std::find(vectList.begin(), vectList.end(), std::get<0>(arrays[n])) != vectList.end())
+               vectIndices.push_back(static_cast<int>(n));
+
+        smspecList.back().loadData(vectIndices);
+
+        const std::vector<int> dimens = smspecList.back().get<int>("DIMENS");
 
         nI = dimens[1]; // This is correct -- dimens[0] is something else!
         nJ = dimens[2];
         nK = dimens[3];
 
-        const std::vector<std::string> restartArray = smspec.get<std::string>("RESTART");
+        const std::vector<std::string> restartArray = smspecList.back().get<std::string>("RESTART");
-        const std::vector<std::string> keywords = smspec.get<std::string>("KEYWORDS");
+        const std::vector<std::string> keywords = smspecList.back().get<std::string>("KEYWORDS");
-        const std::vector<std::string> wgnames = smspec.get<std::string>("WGNAMES");
+        std::vector<std::string> wgnames;
-        const std::vector<int> nums = smspec.get<int>("NUMS");
+
-        const std::vector<std::string> units = smspec.get<std::string>("UNITS");
+        if (smspecList.back().hasKey("WGNAMES"))
+            wgnames = smspecList.back().get<std::string>("WGNAMES");
+        else
+            wgnames = smspecList.back().get<std::string>("NAMES");
+
+        const std::vector<int> nums = smspecList.back().get<int>("NUMS");
+        const std::vector<std::string> units = smspecList.back().get<std::string>("UNITS");
 
         std::vector<std::string> combindKeyList;
         combindKeyList.reserve(dimens[0]);
 
-        this->startdat = make_date(smspec.get<int>("STARTDAT"));
+        this->startdat = make_date(smspecList.back().get<int>("STARTDAT"));
 
         for (unsigned int i=0; i<keywords.size(); i++) {
             const std::string keyString = makeKeyString(keywords[i], wgnames[i], nums[i]);
@@ -153,7 +192,8 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
                     SummaryNode::category_from_keyword(keywords[i], segmentExceptions),
                     SummaryNode::Type::Undefined,
                     wgnames[i],
-                    nums[i]
+                    nums[i],
+                    ""
                 });
 
                 keywList.insert(keyString);
@@ -170,7 +210,6 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
     // checking if this is a restart run. Supporting nested restarts (restart, from restart, ...)
     // std::set keywList is storing keywords from all runs involved
 
-
     while ((rstRootN.string() != "") && (loadBaseRunData)) {
 
         Opm::filesystem::path rstFile = pathRstFile / rstRootN;
@@ -185,20 +224,34 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
             baseRunFmt = true;
         }
 
-        EclFile smspec_rst(rstFile.string());
+        smspecList.emplace_back(EclFile(rstFile.string()));
-        smspec_rst.loadData();
 
-        const std::vector<int> dimens = smspec_rst.get<int>("DIMENS");
+        auto arrays = smspecList.back().getList();
-        const std::vector<std::string> restartArray = smspec_rst.get<std::string>("RESTART");
+        std::vector<int> vectIndices;
-        const std::vector<std::string> keywords = smspec_rst.get<std::string>("KEYWORDS");
+
-        const std::vector<std::string> wgnames = smspec_rst.get<std::string>("WGNAMES");
+        for (size_t n = 0; n < arrays.size(); n++)
-        const std::vector<int> nums = smspec_rst.get<int>("NUMS");
+            if(std::find(vectList.begin(), vectList.end(), std::get<0>(arrays[n])) != vectList.end())
-        const std::vector<std::string> units = smspec_rst.get<std::string>("UNITS");
+               vectIndices.push_back(static_cast<int>(n));
+
+        smspecList.back().loadData(vectIndices);
+
+        const std::vector<int> dimens = smspecList.back().get<int>("DIMENS");
+        const std::vector<std::string> restartArray = smspecList.back().get<std::string>("RESTART");
+        const std::vector<std::string> keywords = smspecList.back().get<std::string>("KEYWORDS");
+        std::vector<std::string> wgnames;
+
+        if (smspecList.back().hasKey("WGNAMES"))
+            wgnames = smspecList.back().get<std::string>("WGNAMES");
+        else
+            wgnames = smspecList.back().get<std::string>("NAMES");
+
+        const std::vector<int> nums = smspecList.back().get<int>("NUMS");
+        const std::vector<std::string> units = smspecList.back().get<std::string>("UNITS");
 
         std::vector<std::string> combindKeyList;
         combindKeyList.reserve(dimens[0]);
 
-        this->startdat = make_date(smspec_rst.get<int>("STARTDAT"));
+        this->startdat = make_date(smspecList.back().get<int>("STARTDAT"));
 
         for (size_t i = 0; i < keywords.size(); i++) {
             const std::string keyString = makeKeyString(keywords[i], wgnames[i], nums[i]);
@@ -209,7 +262,8 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
                     SummaryNode::category_from_keyword(keywords[i], segmentExceptions),
                     SummaryNode::Type::Undefined,
                     wgnames[i],
-                    nums[i]
+                    nums[i],
+                    ""
                 });
 
                 keywList.insert(keyString);
@@ -243,10 +297,7 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
 
         auto smry = smryArray[specInd];
 
-        EclFile smspec(std::get<0>(smry));
+        const std::vector<int> dimens = smspecList[specInd].get<int>("DIMENS");
-        smspec.loadData();
-
-        const std::vector<int> dimens = smspec.get<int>("DIMENS");
 
         nI = dimens[1];
         nJ = dimens[2];
@@ -254,9 +305,15 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
 
         nParamsSpecFile[specInd] = dimens[0];
 
-        const std::vector<std::string> keywords = smspec.get<std::string>("KEYWORDS");
+        const std::vector<std::string> keywords = smspecList[specInd].get<std::string>("KEYWORDS");
-        const std::vector<std::string> wgnames = smspec.get<std::string>("WGNAMES");
+        std::vector<std::string> wgnames;
-        const std::vector<int> nums = smspec.get<int>("NUMS");
+
+        if (smspecList.back().hasKey("WGNAMES"))
+            wgnames = smspecList.back().get<std::string>("WGNAMES");
+        else
+            wgnames = smspecList.back().get<std::string>("NAMES");
+
+        const std::vector<int> nums = smspecList[specInd].get<int>("NUMS");
 
         for (size_t i=0; i < keywords.size(); i++) {
             const std::string keyw = makeKeyString(keywords[i], wgnames[i], nums[i]);
@@ -288,9 +345,21 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
         vectorLoaded.push_back(false);
     }
 
+    if (useLodsmryFile && lodEnabeled)
+    {
+        // inspecting formatted or binary lod file. lodsmry possible only if
+        // loadBaseRunData=false
+
+        inspect_lodsmry();
+
+    } else {
+
+        // inspecting time step data, unified summary or multiple summary files both formatted or binary.
+        // this also include base run data if loadBaseRunData=true and restart runs exists.
+
         int dataFileIndex = -1;
 
-    while (specInd >= 0){
+        while (specInd >= 0) {
 
             int reportStepNumber = fromReportStepNumber;
 
@@ -318,26 +387,24 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
 
             std::vector<std::string> resultsFileList;
 
-        if ((!use_unified) && (multFileList.size()==0)){
+            if ((!use_unified) && (multFileList.size()==0)) {
                 throw std::runtime_error("neigther unified or non-unified result files found");
-        } else if ((use_unified) && (multFileList.size()>0)){
+            } else if ((use_unified) && (multFileList.size()>0)) {
                 auto time_multiple = Opm::filesystem::last_write_time(multFileList.back());
                 auto time_unified = Opm::filesystem::last_write_time(unsmryFile);
 
-            if (time_multiple > time_unified){
+                if (time_multiple > time_unified) {
                     resultsFileList=multFileList;
                 } else {
                     resultsFileList.push_back(unsmryFile.string());
                 }
 
-        } else if (use_unified){
+            } else if (use_unified) {
                 resultsFileList.push_back(unsmryFile.string());
             } else {
                 resultsFileList=multFileList;
             }
 
-        // make array list with reference to source files (unifed or non unified)
-
             std::vector<ArrSourceEntry> arraySourceList;
 
             for (std::string fileName : resultsFileList)
@@ -360,9 +427,9 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
 
             size_t i = std::get<0>(arraySourceList[0]) == "SEQHDR" ? 1 : 0 ;
 
-        while  (i < arraySourceList.size()){
+            while  (i < arraySourceList.size()) {
 
-            if (std::get<0>(arraySourceList[i]) != "MINISTEP"){
+                if (std::get<0>(arraySourceList[i]) != "MINISTEP") {
                     std::string message="Reading summary file, expecting keyword MINISTEP, found '" + std::get<0>(arraySourceList[i]) + "'";
                     throw std::invalid_argument(message);
                 }
@@ -385,7 +452,7 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
 
                 i++;
 
-            if (i < arraySourceList.size()){
+                if (i < arraySourceList.size()) {
                     if (std::get<0>(arraySourceList[i]) == "SEQHDR") {
                         i++;
                         reportStepNumber++;
@@ -406,14 +473,158 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData) :
             fromReportStepNumber = toReportStepNumber;
 
             specInd--;
+
+            nTstep = timeStepList.size();
         }
+    }
+}
+
+void ESmry::inspect_lodsmry()
+{
+    std::string arrName;
+    int64_t arr_size;
+    Opm::EclIO::eclArrType arrType;
+    int sizeOfElement;
+
+    std::fstream fileH;
+
+    if (formattedFiles[0]) {
+        fileH.open(lodFileName, std::ios::in);
+        Opm::EclIO::readFormattedHeader(fileH, arrName, arr_size, arrType, sizeOfElement);
+    } else {
+        fileH.open(lodFileName, std::ios::in |  std::ios::binary);
+        Opm::EclIO::readBinaryHeader(fileH, arrName, arr_size, arrType, sizeOfElement);
+    }
+
+    if ((arrName != "KEYCHECK") or (arrType != Opm::EclIO::CHAR))
+        OPM_THROW(std::invalid_argument, "reading keycheck, invalid lod file");
+
+    std::vector<std::string> keycheck;
+
+    if (formattedFiles[0]) {
+        uint64_t size = Opm::EclIO::sizeOnDiskFormatted(arr_size, Opm::EclIO::CHAR, sizeOfChar) + 1;
+        std::string fileStr = read_string_from_disk(fileH, size);
+
+        keycheck = Opm::EclIO::readFormattedCharArray(fileStr, arr_size, 0, sizeOfChar);
+    } else {
+        keycheck = Opm::EclIO::readBinaryCharArray(fileH, arr_size);
+    }
+
+    if ((arr_size / nVect != 3) or (arr_size % nVect != 0))
+        OPM_THROW(std::invalid_argument, "reading keycheck, invalid lod file");
+
+    for (size_t n = 0; n < nVect; n++) {
+        size_t ind = n*3;
+        std::string test_str = keycheck[ind] + keycheck[ind+1] + keycheck[ind+2];
+
+        if (keyword[n].size() > 24) {
+            if (keyword[n].substr(0,24) != test_str) {
+                OPM_THROW(std::invalid_argument, "keycheck not maching keyword array");
+            }
+        } else {
+            if (keyword[n] != test_str) {
+                OPM_THROW(std::invalid_argument, "keycheck not maching keyword array");
+            }
+        }
+    }
+
+    if (formattedFiles[0])
+        Opm::EclIO::readFormattedHeader(fileH, arrName, arr_size, arrType, sizeOfElement);
+    else
+        Opm::EclIO::readBinaryHeader(fileH, arrName, arr_size, arrType, sizeOfElement);
+
+    if ((arrName != "RSTEP   ") or (arrType != Opm::EclIO::LOGI))
+        OPM_THROW(std::invalid_argument, "reading rstep, invalid lod file");
+
+    std::vector<bool> rstep;
+
+    if (formattedFiles[0]) {
+        uint64_t size = Opm::EclIO::sizeOnDiskFormatted(arr_size, Opm::EclIO::LOGI, sizeOfLogi) + 1;
+        std::string fileStr = read_string_from_disk(fileH, size);
+
+        rstep = Opm::EclIO::readFormattedLogiArray(fileStr, arr_size, 0);
+    } else {
+        rstep = readBinaryLogiArray(fileH, arr_size);
+    }
+
+    for (size_t m = 0; m < rstep.size(); m++)
+        if (rstep[m])
+            seqIndex.push_back(m);
+
+    lod_offset = static_cast<uint64_t>(fileH.tellg());
+    nTstep = rstep.size();
+
+    if (formattedFiles[0])
+        lod_arr_size = sizeOnDiskFormatted(nTstep, Opm::EclIO::REAL, sizeOfReal);
+    else
+        lod_arr_size = sizeOnDiskBinary(nTstep, Opm::EclIO::REAL, sizeOfReal);
+
+    fileH.close();
+}
+
+std::string ESmry::read_string_from_disk(std::fstream& fileH, uint64_t size) const
+{
+    char* buffer;
+    buffer = new char [size];
+    fileH.read (buffer, size);
+    std::string fileStr = std::string(buffer, size);
+    delete[] buffer;
+
+    return fileStr;
+}
+
+void ESmry::Load_from_lodsmry(const std::vector<int>& keywIndVect) const
+{
+    std::fstream fileH;
+
+    if (formattedFiles[0])
+        fileH.open(lodFileName, std::ios::in);
+    else
+        fileH.open(lodFileName, std::ios::in |  std::ios::binary);
+
+    for (auto ind : keywIndVect) {
+        std::string arrName;
+        int64_t size;
+        Opm::EclIO::eclArrType arrType;
+        int sizeOfElement;
+
+        uint64_t pos = lod_offset + lod_arr_size*static_cast<uint64_t>(ind);
+
+        if (formattedFiles[0])
+            pos = pos + static_cast<uint64_t>(ind * 31);  // adding size of formatted headers
+        else
+            pos = pos + static_cast<uint64_t>(ind * 24);  // adding size of binary headers
+
+        fileH.seekg (pos, fileH.beg);
+
+        if (formattedFiles[0])
+            readFormattedHeader(fileH, arrName, size, arrType, sizeOfElement);
+        else
+            readBinaryHeader(fileH, arrName, size, arrType, sizeOfElement);
+
+        arrName = Opm::EclIO::trimr(arrName);
+
+        std::string checkName = "V" + std::to_string(ind);
+
+        if (arrName != checkName)
+            OPM_THROW(std::invalid_argument, "lodsmry, wrong header expecting  " + checkName + " found " +  arrName);
+
+        if (formattedFiles[0]) {
+            uint64_t size_buffer = lod_arr_size + 1;
+            std::string fileStr = read_string_from_disk(fileH, size_buffer);
+            vectorData[ind] = Opm::EclIO::readFormattedRealArray(fileStr, nTstep, 0);
+        } else {
+            vectorData[ind] = readBinaryRealArray(fileH, size);
+        }
+    }
+
+    fileH.close();
 }
 
 
 void ESmry::LoadData(const std::vector<std::string>& vectList) const
 {
     size_t nvect = vectList.size();
-    size_t ntstep = timeStepList.size();
 
     std::vector<int> keywIndVect;
     keywIndVect.reserve(nvect);
@@ -427,13 +638,30 @@ void ESmry::LoadData(const std::vector<std::string>& vectList) const
     }
 
     for (auto ind : keywIndVect)
-        vectorData[ind].reserve(ntstep);
+        vectorData[ind].reserve(nTstep);
+
+    if (useLodsmryFile && lodEnabeled)
+    {
+        Load_from_lodsmry(keywIndVect);
+
+    } else {
 
         std::fstream fileH;
 
         auto specInd = std::get<0>(timeStepList[0]);
         auto dataFileIndex = std::get<1>(timeStepList[0]);
         uint64_t stepFilePos = std::get<2>(timeStepList[0]);
+        uint64_t blockSize_f;
+
+        {
+            int nLinesBlock = MaxBlockSizeReal / numColumnsReal;
+            int rest = MaxBlockSizeReal % numColumnsReal;
+
+            if (rest > 0)
+                nLinesBlock++;
+
+            blockSize_f= static_cast<uint64_t>(MaxNumBlockReal * numColumnsReal * columnWidthReal + nLinesBlock);
+        }
 
         if (formattedFiles[specInd])
             fileH.open(dataFileList[dataFileIndex], std::ios::in);
@@ -441,6 +669,7 @@ void ESmry::LoadData(const std::vector<std::string>& vectList) const
             fileH.open(dataFileList[dataFileIndex], std::ios::in |  std::ios::binary);
 
         for (auto ministep : timeStepList) {
+
             if (dataFileIndex != std::get<1>(ministep)) {
                 fileH.close();
                 specInd = std::get<0>(ministep);
@@ -455,6 +684,7 @@ void ESmry::LoadData(const std::vector<std::string>& vectList) const
             stepFilePos = std::get<2>(ministep);;
 
             for (auto ind : keywIndVect) {
+
                 auto it = arrayPos[specInd].find(ind);
 
                 if (it == arrayPos[specInd].end()) {
@@ -466,19 +696,11 @@ void ESmry::LoadData(const std::vector<std::string>& vectList) const
 
                     if (formattedFiles[specInd]) {
                         uint64_t elementPos = 0;
-                    int nBlocks = paramPos /MaxBlockSizeReal;
+                        int nBlocks = paramPos / MaxBlockSizeReal;
                         int sizeOfLastBlock = paramPos %  MaxBlockSizeReal;
 
-                    if (nBlocks > 0) {
+                        if (nBlocks > 0)
-                        int nLinesBlock = MaxNumBlockReal / numColumnsReal;
+                            elementPos = static_cast<uint64_t>(nBlocks * blockSize_f);
-                        int rest = MaxNumBlockReal % numColumnsReal;
-
-                        if (rest > 0)
-                            nLinesBlock++;
-
-                        uint64_t blockSize = static_cast<uint64_t>(MaxNumBlockReal * numColumnsReal + nLinesBlock);
-                        elementPos = static_cast<uint64_t>(nBlocks * blockSize);
-                    }
 
                         int nLines = sizeOfLastBlock / numColumnsReal;
                         elementPos = stepFilePos + elementPos + static_cast<uint64_t>(sizeOfLastBlock * columnWidthReal + nLines);
@@ -499,10 +721,12 @@ void ESmry::LoadData(const std::vector<std::string>& vectList) const
                         uint64_t nFullBlocks = static_cast<uint64_t>(paramPos/(MaxBlockSizeReal / sizeOfReal));
                         uint64_t elementPos = ((2 * nFullBlocks) + 1)*static_cast<uint64_t>(sizeOfInte);
                         elementPos += static_cast<uint64_t>(paramPos)* static_cast<uint64_t>(sizeOfReal) + stepFilePos;
+
                         fileH.seekg (elementPos, fileH.beg);
 
                         float value;
                         fileH.read(reinterpret_cast<char*>(&value), sizeOfReal);
+
                         vectorData[ind].push_back(Opm::EclIO::flipEndianFloat(value));
                     }
                 }
@@ -510,6 +734,7 @@ void ESmry::LoadData(const std::vector<std::string>& vectList) const
         }
 
         fileH.close();
+    }
 
     for (auto ind : keywIndVect)
         vectorLoaded[ind] = true;
@@ -538,6 +763,11 @@ std::vector<int> ESmry::makeKeywPosVector(int specInd) const {
 
 void ESmry::LoadData() const
 {
+    if (useLodsmryFile && lodEnabeled) {
+
+        this ->LoadData(keyword);
+
+    } else {
         std::fstream fileH;
 
         auto specInd = std::get<0>(timeStepList[0]);
@@ -556,7 +786,7 @@ void ESmry::LoadData() const
             if (dataFileIndex != std::get<1>(ministep)) {
                 fileH.close();
 
-            if (specInd != std::get<0>(ministep)){
+                if (specInd != std::get<0>(ministep)) {
                     specInd = std::get<0>(ministep);
                     keywpos = makeKeywPosVector(specInd);
                 }
@@ -574,8 +804,9 @@ void ESmry::LoadData() const
             fileH.seekg (stepFilePos, fileH.beg);
 
             if (formattedFiles[specInd]) {
+
                 char* buffer;
-            size_t size = sizeOnDiskFormatted(nParamsSpecFile[specInd], Opm::EclIO::REAL)+1;
+                size_t size = sizeOnDiskFormatted(nParamsSpecFile[specInd], Opm::EclIO::REAL, sizeOfReal) + 1;
                 buffer = new char [size];
                 fileH.read (buffer, size);
 
@@ -587,7 +818,7 @@ void ESmry::LoadData() const
                     p1 = fileStr.find_first_not_of(' ',p1);
                     int64_t p2 = fileStr.find_first_of(' ', p1);
 
-                if (keywpos[p] > -1) {
+                    if ((keywpos[p] > -1) && (!vectorLoaded[keywpos[p]])) {
                         double dtmpv = std::stod(fileStr.substr(p1, p2-p1));
                         vectorData[keywpos[p]].push_back(static_cast<float>(dtmpv));
                     }
@@ -597,6 +828,7 @@ void ESmry::LoadData() const
                 }
 
                 delete[] buffer;
+
             } else {
                 int64_t rest = static_cast<int64_t>(nParamsSpecFile[specInd]);
                 size_t p = 0;
@@ -614,7 +846,7 @@ void ESmry::LoadData() const
                         float value;
                         fileH.read(reinterpret_cast<char*>(&value), sizeOfReal);
 
-                    if (keywpos[p] > -1)
+                        if ((keywpos[p] > -1) && (!vectorLoaded[keywpos[p]]))
                             vectorData[keywpos[p]].push_back(Opm::EclIO::flipEndianFloat(value));
 
                         p++;
@@ -640,6 +872,7 @@ void ESmry::LoadData() const
 
         for (size_t n=0; n < nVect; n++)
             vectorLoaded[n] = true;
+    }
 }
 
 
@@ -647,24 +880,80 @@ std::vector<std::tuple <std::string, uint64_t>>
 ESmry::getListOfArrays(std::string filename, bool formatted)
 {
     std::vector<std::tuple <std::string, uint64_t>> resultVect;
-    std::fstream fileH;
 
-    if (formatted)
+    FILE *ptr;
-        fileH.open(filename, std::ios::in);
+    char arrName[9];
-    else
+    char numstr[13];
-        fileH.open(filename, std::ios::in |  std::ios::binary);
-
-    while (!Opm::EclIO::isEOF(&fileH)) {
-        std::string arrName(8,' ');
-        Opm::EclIO::eclArrType arrType;
 
     int64_t num;
-        if (formatted)
-            Opm::EclIO::readFormattedHeader(fileH,arrName,num,arrType);
-        else
-            Opm::EclIO::readBinaryHeader(fileH,arrName,num,arrType);
 
-        uint64_t filePos = fileH.tellg();
+    if (formatted)
+        ptr = fopen(filename.c_str(),"r");  // r for read, files opened as text files
+    else
+        ptr = fopen(filename.c_str(),"rb");  // r for read, b for binary
+
+    bool endOfFile = false;
+
+    while (!endOfFile)
+    {
+        Opm::EclIO::eclArrType arrType;
+
+        if (formatted)
+        {
+            fseek(ptr, 2, SEEK_CUR);
+
+            if (fread(arrName, 8, 1, ptr) != 1 )
+                throw std::runtime_error("fread error when loading summary data");
+
+            arrName[8]='\0';
+
+            fseek(ptr, 1, SEEK_CUR);
+
+            if (fread(numstr, 12, 1, ptr) != 1)
+                throw std::runtime_error("fread error when loading summary data");
+
+            numstr[12]='\0';
+
+            int num_int = std::stoi(numstr);
+            num = static_cast<int64_t>(num_int);
+
+            fseek(ptr, 8, SEEK_CUR);
+
+            if ((strcmp(arrName, "SEQHDR  ") == 0) || (strcmp(arrName, "MINISTEP") == 0))
+                arrType = Opm::EclIO::INTE;
+            else if (strcmp(arrName, "PARAMS  ") == 0)
+                arrType = Opm::EclIO::REAL;
+            else {
+                throw std::invalid_argument("unknown array in summary data file ");
+            }
+
+        } else {
+            int num_int;
+
+            fseek(ptr, 4, SEEK_CUR);
+
+            if (fread(arrName, 8, 1, ptr) != 1)
+                throw std::runtime_error("fread error when loading summary data");
+
+            arrName[8]='\0';
+
+            if (fread(&num_int, 4, 1, ptr) != 1)
+                throw std::runtime_error("fread error when loading summary data");
+
+            num = static_cast<int64_t>(Opm::EclIO::flipEndianInt(num_int));
+
+            fseek(ptr, 8, SEEK_CUR);
+
+            if ((strcmp(arrName, "SEQHDR  ") == 0) || (strcmp(arrName, "MINISTEP") == 0))
+                arrType = Opm::EclIO::INTE;
+            else if (strcmp(arrName, "PARAMS  ") == 0)
+                arrType = Opm::EclIO::REAL;
+            else {
+                throw std::invalid_argument("unknown array in UNSMRY file ");
+            }
+        }
+
+        uint64_t filePos = static_cast<uint64_t>(ftell(ptr));
 
         std::tuple <std::string, uint64_t> t1;
         t1 = std::make_tuple(Opm::EclIO::trimr(arrName), filePos);
@@ -672,21 +961,115 @@ ESmry::getListOfArrays(std::string filename, bool formatted)
 
         if (num > 0) {
             if (formatted) {
-                uint64_t sizeOfNextArray = sizeOnDiskFormatted(num, arrType);
+                uint64_t sizeOfNextArray = sizeOnDiskFormatted(num, arrType, 4);
-                fileH.seekg(static_cast<std::streamoff>(sizeOfNextArray), std::ios_base::cur);
+                fseek(ptr, static_cast<long int>(sizeOfNextArray), SEEK_CUR);
-
             } else {
-                uint64_t sizeOfNextArray = sizeOnDiskBinary(num, arrType);
+                uint64_t sizeOfNextArray = sizeOnDiskBinary(num, arrType, 4);
-                fileH.seekg(static_cast<std::streamoff>(sizeOfNextArray), std::ios_base::cur);
+                fseek(ptr, static_cast<long int>(sizeOfNextArray), SEEK_CUR);
-            }
             }
         }
 
-    fileH.close();
+        if (fgetc(ptr) == EOF)
+            endOfFile = true;
+        else
+            fseek(ptr, -1, SEEK_CUR);
+    }
+
+    fclose(ptr);
 
     return resultVect;
 }
 
+bool ESmry::make_lodsmry_file()
+{
+    // check that loadBaseRunData is not set, this function only works for single smspec files
+    // function will not replace existing lodsmry files (since this is already loaded by this class)
+    // if lodsmry file exist, this function will return false and do nothing.
+
+    if (!fromSingleRun)
+        OPM_THROW(std::invalid_argument, "creating lodsmry file only possible when loadBaseRunData=false");
+
+    Opm::filesystem::path path = inputFileName.parent_path();
+    Opm::filesystem::path rootName = inputFileName.stem();
+    Opm::filesystem::path smryDataFile;
+
+    if (formattedFiles[0])
+        smryDataFile = path / rootName += ".FLODSMRY";
+    else
+        smryDataFile = path / rootName += ".LODSMRY";
+
+    if (Opm::EclIO::fileExists(smryDataFile.string()))
+    {
+        return false;
+
+    } else {
+
+        std::vector<std::string> keycheck;
+        keycheck.reserve(keyword.size());
+
+        std::string str1;
+        std::string str2;
+        std::string str3;
+
+        for (auto key : keyword){
+
+            str2="";
+            str3="";
+
+            if (key.size() > 24)
+                str1 = key.substr(0,24);
+            else
+                str1 = key;
+
+            if (str1.size() > 8){
+                str2 = str1.substr(8);
+                str1 = str1.substr(0,8);
+            }
+
+            if (str2.size() > 8){
+                str3 = str2.substr(8);
+                str2 = str2.substr(0,8);
+            }
+
+            keycheck.push_back(str1);
+            keycheck.push_back(str2);
+            keycheck.push_back(str3);
+        }
+
+        std::vector<bool> is_rstep;
+        is_rstep.reserve(timeStepList.size());
+
+        for (size_t i = 0; i < timeStepList.size(); i++)
+            if(std::find(seqIndex.begin(), seqIndex.end(), i) != seqIndex.end())
+                is_rstep.push_back(true);
+            else
+                is_rstep.push_back(false);
+
+        this->LoadData();
+
+        {
+            Opm::EclIO::EclOutput outFile(smryDataFile.string(), formattedFiles[0], std::ios::out);
+            outFile.write<std::string>("KEYCHECK", keycheck);
+            outFile.write<bool>("RSTEP", is_rstep);
+
+            for (size_t n = 0; n < vectorData.size(); n++ ) {
+                std::string vect_name="V" + std::to_string(n);
+                outFile.write<float>(vect_name, vectorData[n]);
+            }
+        }
+
+        return true;
+    }
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void ESmry::use_lodsmry_file(bool enable)
+{
+    useLodsmryFile = enable;
+}
 
 std::vector<std::string> ESmry::checkForMultipleResultFiles(const Opm::filesystem::path& rootN, bool formatted) const {
 

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/EclFile.cpp

@@ -20,6 +20,7 @@
 #include <opm/io/eclipse/EclUtil.hpp>
 #include <opm/common/ErrorMacros.hpp>
 
+//#include <fmt/format.h>
 #include <algorithm>
 #include <array>
 #include <cstring>
@@ -34,256 +35,13 @@
 
 #include <iostream>
 
-// anonymous namespace for EclFile
-
-namespace {
-
-bool fileExists(const std::string& filename){
-
-    std::ifstream fileH(filename.c_str());
-    return fileH.good();
-}
-
-bool isFormatted(const std::string& filename)
-{
-    const auto p = filename.find_last_of(".");
-    if (p == std::string::npos)
-      OPM_THROW(std::invalid_argument,
-                "Purported ECLIPSE Filename'" + filename + "'does not contain extension");
-    return std::strchr("ABCFGH", static_cast<int>(filename[p+1])) != nullptr;
-}
-
-
-template<typename T, typename T2>
-std::vector<T> readBinaryArray(std::fstream& fileH, const int64_t size, Opm::EclIO::eclArrType type,
-                               std::function<T(T2)>& flip)
-{
-    std::vector<T> arr;
-
-    auto sizeData = block_size_data_binary(type);
-    int sizeOfElement = std::get<0>(sizeData);
-    int maxBlockSize = std::get<1>(sizeData);
-    int maxNumberOfElements = maxBlockSize / sizeOfElement;
-
-    arr.reserve(size);
-
-    int64_t rest = size;
-    while (rest > 0) {
-        int dhead;
-        fileH.read(reinterpret_cast<char*>(&dhead), sizeof(dhead));
-        dhead = Opm::EclIO::flipEndianInt(dhead);
-
-        int num = dhead / sizeOfElement;
-
-        if ((num > maxNumberOfElements) || (num < 0)) {
-            OPM_THROW(std::runtime_error, "Error reading binary data, inconsistent header data or incorrect number of elements");
-        }
-
-        for (int i = 0; i < num; i++) {
-            T2 value;
-            fileH.read(reinterpret_cast<char*>(&value), sizeOfElement);
-            arr.push_back(flip(value));
-        }
-
-        rest -= num;
-
-        if (( num < maxNumberOfElements && rest != 0) ||
-            (num == maxNumberOfElements && rest < 0)) {
-            std::string message = "Error reading binary data, incorrect number of elements";
-            OPM_THROW(std::runtime_error, message);
-        }
-
-        int dtail;
-        fileH.read(reinterpret_cast<char*>(&dtail), sizeof(dtail));
-        dtail = Opm::EclIO::flipEndianInt(dtail);
-
-        if (dhead != dtail) {
-            OPM_THROW(std::runtime_error, "Error reading binary data, tail not matching header.");
-        }
-    }
-
-    return arr;
-}
-
-
-std::vector<int> readBinaryInteArray(std::fstream &fileH, const int64_t size)
-{
-    std::function<int(int)> f = Opm::EclIO::flipEndianInt;
-    return readBinaryArray<int,int>(fileH, size, Opm::EclIO::INTE, f);
-}
-
-
-std::vector<float> readBinaryRealArray(std::fstream& fileH, const int64_t size)
-{
-    std::function<float(float)> f = Opm::EclIO::flipEndianFloat;
-    return readBinaryArray<float,float>(fileH, size, Opm::EclIO::REAL, f);
-}
-
-
-std::vector<double> readBinaryDoubArray(std::fstream& fileH, const int64_t size)
-{
-    std::function<double(double)> f = Opm::EclIO::flipEndianDouble;
-    return readBinaryArray<double,double>(fileH, size, Opm::EclIO::DOUB, f);
-}
-
-std::vector<bool> readBinaryLogiArray(std::fstream &fileH, const int64_t size)
-{
-    std::function<bool(unsigned int)> f = [](unsigned int intVal)
-                                          {
-                                              bool value;
-                                              if (intVal == Opm::EclIO::true_value) {
-                                                  value = true;
-                                              } else if (intVal == Opm::EclIO::false_value) {
-                                                  value = false;
-                                              } else {
-                                                  OPM_THROW(std::runtime_error, "Error reading logi value");
-                                              }
-
-                                              return value;
-                                          };
-    return readBinaryArray<bool,unsigned int>(fileH, size, Opm::EclIO::LOGI, f);
-}
-
-
-std::vector<std::string> readBinaryCharArray(std::fstream& fileH, const int64_t size)
-{
-    using Char8 = std::array<char, 8>;
-    std::function<std::string(Char8)> f = [](const Char8& val)
-                                          {
-                                              std::string res(val.begin(), val.end());
-                                              return Opm::EclIO::trimr(res);
-                                          };
-    return readBinaryArray<std::string,Char8>(fileH, size, Opm::EclIO::CHAR, f);
-}
-
-
-template<typename T>
-std::vector<T> readFormattedArray(const std::string& file_str, const int size, int64_t fromPos,
-                                 std::function<T(const std::string&)>& process)
-{
-    std::vector<T> arr;
-
-    arr.reserve(size);
-
-    int64_t p1=fromPos;
-
-    for (int i=0; i< size; i++) {
-        p1 = file_str.find_first_not_of(' ',p1);
-        int64_t p2 = file_str.find_first_of(' ', p1);
-
-        arr.push_back(process(file_str.substr(p1, p2-p1)));
-
-        p1 = file_str.find_first_not_of(' ',p2);
-    }
-
-    return arr;
-
-}
-
-
-std::vector<int> readFormattedInteArray(const std::string& file_str, const int64_t size, int64_t fromPos)
-{
-
-    std::function<int(const std::string&)> f = [](const std::string& val)
-                                               {
-                                                   return std::stoi(val);
-                                               };
-
-    return readFormattedArray(file_str, size, fromPos, f);
-}
-
-
-std::vector<std::string> readFormattedCharArray(const std::string& file_str, const int64_t size, int64_t fromPos)
-{
-    std::vector<std::string> arr;
-    arr.reserve(size);
-
-    int64_t p1=fromPos;
-
-    for (int i=0; i< size; i++) {
-        p1 = file_str.find_first_of('\'',p1);
-        std::string value = file_str.substr(p1 + 1, 8);
-
-        if (value == "        ") {
-            arr.push_back("");
-        } else {
-            arr.push_back(Opm::EclIO::trimr(value));
-        }
-
-        p1 = p1+10;
-    }
-
-    return arr;
-}
-
-
-std::vector<float> readFormattedRealArray(const std::string& file_str, const int64_t size, int64_t fromPos)
-{
-
-    std::function<float(const std::string&)> f = [](const std::string& val)
-                                                 {
-                                                     // tskille: temporary fix, need to be discussed. OPM flow writes numbers
-                                                     // that are outside valid range for float, and function stof will fail
-                                                     double dtmpv = std::stod(val);
-                                                     return dtmpv;
-                                                 };
-
-    return readFormattedArray<float>(file_str, size, fromPos, f);
-}
-
-
-std::vector<bool> readFormattedLogiArray(const std::string& file_str, const int64_t size, int64_t fromPos)
-{
-
-    std::function<bool(const std::string&)> f = [](const std::string& val)
-                                                {
-                                                    if (val[0] == 'T') {
-                                                        return true;
-                                                    } else if (val[0] == 'F') {
-                                                        return false;
-                                                    } else {
-                                                        std::string message="Could not convert '" + val + "' to a bool value ";
-                                                        OPM_THROW(std::invalid_argument, message);
-                                                    }
-                                                };
-
-    return readFormattedArray<bool>(file_str, size, fromPos, f);
-}
-
-std::vector<double> readFormattedDoubArray(const std::string& file_str, const int64_t size, int64_t fromPos)
-{
-
-    std::function<double(const std::string&)> f = [](std::string val)
-                                                  {
-                                                      auto p1 = val.find_first_of("D");
-
-                                                      if (p1 == std::string::npos) {
-                                                          auto p2 = val.find_first_of("-+", 1);
-                                                          if (p2 != std::string::npos) {
-                                                              val = val.insert(p2,"E");
-                                                          }
-                                                      } else {
-                                                          val.replace(p1,1,"E");
-                                                      }
-
-                                                      return std::stod(val);
-                                                  };
-
-    return readFormattedArray<double>(file_str, size, fromPos, f);
-}
-
-} // anonymous namespace
-
-// ==========================================================================
 
 namespace Opm { namespace EclIO {
 
 EclFile::EclFile(const std::string& filename, bool preload) : inputFilename(filename)
 {
-    if (!fileExists(filename)){
+    if (!fileExists(filename))
-        std::string message="Could not open EclFile: " + filename;
+        throw std::runtime_error("Can not open EclFile: {}");
-        OPM_THROW(std::invalid_argument, message);
-    }
 
     std::fstream fileH;
 
@@ -295,27 +53,27 @@ EclFile::EclFile(const std::string& filename, bool preload) : inputFilename(file
         fileH.open(filename, std::ios::in |  std::ios::binary);
     }
 
-    if (!fileH) {
+    if (!fileH)
-        std::string message="Could not open file: " + filename;
+        throw std::runtime_error("Can not open EclFile: {}");
-        OPM_THROW(std::runtime_error, message);
-    }
 
     int n = 0;
     while (!isEOF(&fileH)) {
         std::string arrName(8,' ');
         eclArrType arrType;
         int64_t num;
+        int sizeOfElement;
 
         if (formatted) {
-            readFormattedHeader(fileH,arrName,num,arrType);
+            readFormattedHeader(fileH,arrName,num,arrType, sizeOfElement);
         } else {
-            readBinaryHeader(fileH,arrName,num,arrType);
+            readBinaryHeader(fileH,arrName,num, arrType, sizeOfElement);
         }
 
         array_size.push_back(num);
         array_type.push_back(arrType);
-
         array_name.push_back(trimr(arrName));
+        array_element_size.push_back(sizeOfElement);
+
         array_index[array_name[n]] = n;
 
         uint64_t pos = fileH.tellg();
@@ -325,15 +83,14 @@ EclFile::EclFile(const std::string& filename, bool preload) : inputFilename(file
 
         if (num > 0){
             if (formatted) {
-                uint64_t sizeOfNextArray = sizeOnDiskFormatted(num, arrType);
+                uint64_t sizeOfNextArray = sizeOnDiskFormatted(num, arrType, sizeOfElement);
                 fileH.seekg(static_cast<std::streamoff>(sizeOfNextArray), std::ios_base::cur);
             } else {
-                uint64_t sizeOfNextArray = sizeOnDiskBinary(num, arrType);
+                uint64_t sizeOfNextArray = sizeOnDiskBinary(num, arrType, sizeOfElement);
                 fileH.seekg(static_cast<std::streamoff>(sizeOfNextArray), std::ios_base::cur);
             }
         }
 
-
         n++;
     };
 
@@ -366,6 +123,9 @@ void EclFile::loadBinaryArray(std::fstream& fileH, std::size_t arrIndex)
     case CHAR:
         char_array[arrIndex] = readBinaryCharArray(fileH, array_size[arrIndex]);
         break;
+    case C0NN:
+        char_array[arrIndex] = readBinaryC0nnArray(fileH, array_size[arrIndex], array_element_size[arrIndex]);
+        break;
     case MESS:
         break;
     default:
@@ -393,7 +153,10 @@ void EclFile::loadFormattedArray(const std::string& fileStr, std::size_t arrInde
         logi_array[arrIndex] = readFormattedLogiArray(fileStr, array_size[arrIndex], fromPos);
         break;
     case CHAR:
-        char_array[arrIndex] = readFormattedCharArray(fileStr, array_size[arrIndex], fromPos);
+        char_array[arrIndex] = readFormattedCharArray(fileStr, array_size[arrIndex], fromPos, sizeOfChar);
+        break;
+    case C0NN:
+        char_array[arrIndex] = readFormattedCharArray(fileStr, array_size[arrIndex], fromPos, array_element_size[arrIndex]);
         break;
     case MESS:
         break;
@@ -449,7 +212,7 @@ void EclFile::loadData(const std::string& name)
                 inFile.seekg(ifStreamPos[arrIndex]);
 
                 char* buffer;
-                size_t size = sizeOnDiskFormatted(array_size[arrIndex], array_type[arrIndex])+1;
+                size_t size = sizeOnDiskFormatted(array_size[arrIndex], array_type[arrIndex], array_element_size[arrIndex])+1;
                 buffer = new char [size];
                 inFile.read (buffer, size);
 
@@ -494,7 +257,7 @@ void EclFile::loadData(const std::vector<int>& arrIndex)
             inFile.seekg(ifStreamPos[ind]);
 
             char* buffer;
-            size_t size = sizeOnDiskFormatted(array_size[ind], array_type[ind])+1;
+            size_t size = sizeOnDiskFormatted(array_size[ind], array_type[ind], array_element_size[ind])+1;
             buffer = new char [size];
             inFile.read (buffer, size);
 
@@ -525,7 +288,6 @@ void EclFile::loadData(const std::vector<int>& arrIndex)
 
 void EclFile::loadData(int arrIndex)
 {
-
     if (formatted) {
 
         std::ifstream inFile(inputFilename);
@@ -533,7 +295,7 @@ void EclFile::loadData(int arrIndex)
             inFile.seekg(ifStreamPos[arrIndex]);
 
             char* buffer;
-            size_t size = sizeOnDiskFormatted(array_size[arrIndex], array_type[arrIndex])+1;
+            size_t size = sizeOnDiskFormatted(array_size[arrIndex], array_type[arrIndex], array_element_size[arrIndex])+1;
             buffer = new char [size];
             inFile.read (buffer, size);
 
@@ -559,6 +321,109 @@ void EclFile::loadData(int arrIndex)
     }
 }
 
+bool EclFile::is_ix() const
+{
+    // assuming that array data type C0nn only are used in IX. This may change in future.
+
+    // Formatted files,
+    //   >> use real arrays. Example Ecl = '0.70000000E-01', IX = '7.0000000E-02'
+    // Binary files,
+    //   >> if logi array exists in file, look for IX spes binary representation of true value
+
+    if (formatted) {
+        for (size_t n=0; n < array_type.size(); n++) {
+            if (array_type[n] == Opm::EclIO::C0NN) {
+                return true;
+            } else if (array_type[n] == Opm::EclIO::REAL) {
+                auto realStr = get_fmt_real_raw_str_values(n);
+                int p, first;
+
+                for (auto val : realStr) {
+                    double dtmpv = fabs(std::stod(val));
+
+                    if (dtmpv > 0.0) {
+                        p = val.find_first_of(".");
+                        first = abs(std::stoi(val.substr(0, p)));
+
+                        if (first > 0)
+                            return true;
+                        else
+                            return false;
+                    }
+                }
+            }
+        }
+    } else {
+        for (size_t n=0; n < array_type.size(); n++) {
+            if (array_type[n] == Opm::EclIO::C0NN) {
+                return true;
+            } else if (array_type[n] == Opm::EclIO::LOGI) {
+                auto raw_logi_values = get_bin_logi_raw_values(n);
+                for (unsigned int val : raw_logi_values) {
+                    if (val == Opm::EclIO::true_value_ix)
+                        return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    return false;
+}
+
+std::vector<unsigned int> EclFile::get_bin_logi_raw_values(int arrIndex) const
+{
+    if (array_type[arrIndex] != Opm::EclIO::LOGI)
+        OPM_THROW(std::runtime_error, "Error, selected array is not of type LOGI");
+
+    std::fstream fileH;
+    fileH.open(inputFilename, std::ios::in |  std::ios::binary);
+
+    if (!fileH) {
+        std::string message="Could not open file: '" + inputFilename +"'";
+        OPM_THROW(std::runtime_error, message);
+    }
+
+    fileH.seekg (ifStreamPos[arrIndex], fileH.beg);
+
+    std::vector<unsigned int> raw_logi = readBinaryRawLogiArray(fileH, array_size[arrIndex]);
+
+    return raw_logi;
+}
+
+std::vector<std::string> EclFile::get_fmt_real_raw_str_values(int arrIndex) const
+{
+    std::vector<std::string> real_vect;
+
+    if (array_type[arrIndex] != Opm::EclIO::REAL)
+        OPM_THROW(std::runtime_error, "Error, selected array is not of type REAL");
+
+    std::ifstream inFile(inputFilename);
+
+    if (!inFile) {
+        std::string message="Could not open file: '" + inputFilename +"'";
+        OPM_THROW(std::runtime_error, message);
+    }
+
+    inFile.seekg(ifStreamPos[arrIndex]);
+
+    char* buffer;
+    size_t size = sizeOnDiskFormatted(array_size[arrIndex], array_type[arrIndex], array_element_size[arrIndex])+1;
+
+    buffer = new char [size];
+    inFile.read (buffer, size);
+
+    std::string fileStr = std::string(buffer, size);
+
+    std::vector<std::string> real_vect_str;
+    real_vect_str = readFormattedRealRawStrings(fileStr, array_size[arrIndex], 0);
+    delete buffer;
+
+    return real_vect_str;
+}
+
+
 std::vector<EclFile::EclEntry> EclFile::getList() const
 {
     std::vector<EclEntry> list;
@@ -603,7 +468,12 @@ const std::vector<bool>& EclFile::get<bool>(int arrIndex)
 template<>
 const std::vector<std::string>& EclFile::get<std::string>(int arrIndex)
 {
-    return getImpl(arrIndex, CHAR, char_array, "string");
+    if ((array_type[arrIndex] != Opm::EclIO::C0NN) && (array_type[arrIndex] != Opm::EclIO::CHAR)){
+        std::string message = "Array with index " + std::to_string(arrIndex) + " is not of type " + "std::string";
+        OPM_THROW(std::runtime_error, message);
+    }
+
+    return getImpl(arrIndex, array_type[arrIndex], char_array, "string");
 }
 
 
@@ -739,7 +609,12 @@ const std::vector<std::string>& EclFile::get<std::string>(const std::string &nam
         OPM_THROW(std::invalid_argument, message);
     }
 
-    return getImpl(search->second, CHAR, char_array, "string");
+    if ((array_type[search->second] != Opm::EclIO::C0NN) && (array_type[search->second] != Opm::EclIO::CHAR)){
+        std::string message = "Array with index " + std::to_string(search->second) + " is not of type " + "std::string";
+        OPM_THROW(std::runtime_error, message);
+    }
+
+    return getImpl(search->second, array_type[search->second], char_array, "string");
 }
 
 

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/EclOutput.cpp

@@ -41,6 +41,7 @@ EclOutput::EclOutput(const std::string&            filename,
     : isFormatted{formatted}
 {
     const auto binmode = mode | std::ios_base::binary;
+    ix_standard = false;
 
     this->ofileH.open(filename, this->isFormatted ? mode : binmode);
 }
@@ -50,15 +51,79 @@ template<>
 void EclOutput::write<std::string>(const std::string& name,
                                    const std::vector<std::string>& data)
 {
+    // array type will be assumed CHAR if maximum string length is 8 or less
+    // If maximum string length is > 8, C0nn will be used with element size equal to
+    // maximum string length
+
+    int maximum_length = 8;
+
+    if (data.size() > 0) {
+        auto it = std::max_element(data.begin(), data.end(), []
+                                   (const std::string& str1, const std::string& str2)
+        {
+            return str2.size() > str1.size();
+        });
+
+        maximum_length = it->size();
+    }
+
+
     if (isFormatted)
     {
-        writeFormattedHeader(name, data.size(), CHAR);
+        if (maximum_length > sizeOfChar){
-        writeFormattedCharArray(data);
+            writeFormattedHeader(name, data.size(), C0NN, maximum_length);
+            writeFormattedCharArray(data, maximum_length);
+        } else {
+            writeFormattedHeader(name, data.size(), CHAR, sizeOfChar);
+            writeFormattedCharArray(data, sizeOfChar);
+        }
     }
     else
     {
-        writeBinaryHeader(name, data.size(), CHAR);
+        if (maximum_length > sizeOfChar){
-        writeBinaryCharArray(data);
+            writeBinaryHeader(name, data.size(), C0NN, maximum_length);
+            writeBinaryCharArray(data, maximum_length);
+        } else {
+            writeBinaryHeader(name, data.size(), CHAR, sizeOfChar);
+            writeBinaryCharArray(data, sizeOfChar);
+       }
+    }
+}
+
+void EclOutput::write(const std::string& name, const std::vector<std::string>& data, int element_size)
+{
+    // array type will be assumed C0NN (not CHAR). Also in cases where element size is 8 or less
+
+    if (data.size() > 0) {
+        auto it = std::max_element(data.begin(), data.end(), []
+                                   (const std::string& str1, const std::string& str2)
+        {
+            return str2.size() > str1.size();
+        });
+
+        if (it->size() > static_cast<size_t>(element_size))
+            OPM_THROW(std::runtime_error, "specified element size for type C0NN less than maximum string length in ouput data");
+    }
+
+    if (isFormatted)
+    {
+        if (element_size > sizeOfChar){
+            writeFormattedHeader(name, data.size(), C0NN, element_size);
+            writeFormattedCharArray(data, element_size);
+        } else {
+            writeFormattedHeader(name, data.size(), C0NN, sizeOfChar);
+            writeFormattedCharArray(data, sizeOfChar);
+        }
+    }
+    else
+    {
+        if (element_size > sizeOfChar){
+            writeBinaryHeader(name, data.size(), C0NN, element_size);
+            writeBinaryCharArray(data, element_size);
+        } else {
+            writeBinaryHeader(name, data.size(), C0NN, sizeOfChar);
+            writeBinaryCharArray(data, sizeOfChar);
+        }
     }
 }
 
@@ -68,11 +133,11 @@ void EclOutput::write<PaddedOutputString<8>>
      const std::vector<PaddedOutputString<8>>& data)
 {
     if (this->isFormatted) {
-        writeFormattedHeader(name, data.size(), CHAR);
+        writeFormattedHeader(name, data.size(), CHAR, sizeOfChar);
         writeFormattedCharArray(data);
     }
     else {
-        writeBinaryHeader(name, data.size(), CHAR);
+        writeBinaryHeader(name, data.size(), CHAR, sizeOfChar);
         writeBinaryCharArray(data);
     }
 }
@@ -91,7 +156,7 @@ void EclOutput::flushStream()
     this->ofileH.flush();
 }
 
-void EclOutput::writeBinaryHeader(const std::string&arrName, int64_t size, eclArrType arrType)
+void EclOutput::writeBinaryHeader(const std::string&arrName, int64_t size, eclArrType arrType, int element_size)
 {
     int bhead = flipEndianInt(16);
     std::string name = arrName + std::string(8 - arrName.size(),' ');
@@ -119,6 +184,14 @@ void EclOutput::writeBinaryHeader(const std::string&arrName, int64_t size, eclAr
     ofileH.write(name.c_str(), 8);
     ofileH.write(reinterpret_cast<char*>(&flippedSize), sizeof(flippedSize));
 
+    std::string c0nn_str;
+
+    if (arrType == C0NN){
+        std::ostringstream ss;
+        ss << "C" << std::setw(3) << std::setfill('0') << element_size;
+        c0nn_str = ss.str();
+    }
+
     switch(arrType) {
     case INTE:
         ofileH.write("INTE", 4);
@@ -135,6 +208,9 @@ void EclOutput::writeBinaryHeader(const std::string&arrName, int64_t size, eclAr
     case CHAR:
         ofileH.write("CHAR", 4);
         break;
+    case C0NN:
+        ofileH.write(c0nn_str.c_str(), 4);
+        break;
     case MESS:
         ofileH.write("MESS", 4);
         break;
@@ -178,6 +254,8 @@ void EclOutput::writeBinaryArray(const std::vector<T>& data)
         OPM_THROW(std::runtime_error, "fstream fileH not open for writing");
     }
 
+    int logi_true_val = ix_standard ? true_value_ix : true_value_ecl;
+
     rest = size * static_cast<int64_t>(sizeOfElement);
     while (rest > 0) {
         if (rest > maxBlockSize) {
@@ -203,7 +281,7 @@ void EclOutput::writeBinaryArray(const std::vector<T>& data)
                 value_d = flipEndianDouble(data[n]);
                 ofileH.write(reinterpret_cast<char*>(&value_d), sizeof(value_d));
             } else if (arrType == LOGI) {
-                intVal = data[n] ? true_value : false_value;
+                intVal = data[n] ? logi_true_val : false_value;
                 ofileH.write(reinterpret_cast<char*>(&intVal), sizeOfElement);
             } else {
                 std::cerr << "type not supported in write binaryarray\n";
@@ -225,7 +303,7 @@ template void EclOutput::writeBinaryArray<bool>(const std::vector<bool>& data);
 template void EclOutput::writeBinaryArray<char>(const std::vector<char>& data);
 
 
-void EclOutput::writeBinaryCharArray(const std::vector<std::string>& data)
+void EclOutput::writeBinaryCharArray(const std::vector<std::string>& data, int element_size)
 {
     int num,dhead;
 
@@ -234,6 +312,11 @@ void EclOutput::writeBinaryCharArray(const std::vector<std::string>& data)
 
     auto sizeData = block_size_data_binary(CHAR);
 
+    if (element_size > sizeOfChar){
+        std::get<1>(sizeData)= std::get<1>(sizeData) / std::get<0>(sizeData) * element_size;
+        std::get<0>(sizeData) = element_size;
+    }
+
     int sizeOfElement = std::get<0>(sizeData);
     int maxBlockSize = std::get<1>(sizeData);
     int maxNumberOfElements = maxBlockSize / sizeOfElement;
@@ -258,7 +341,7 @@ void EclOutput::writeBinaryCharArray(const std::vector<std::string>& data)
         ofileH.write(reinterpret_cast<char*>(&dhead), sizeof(dhead));
 
         for (int i = 0; i < num; i++) {
-            std::string tmpStr = data[n] + std::string(8 - data[n].size(),' ');
+            std::string tmpStr = data[n] + std::string(sizeOfElement - data[n].size(),' ');
             ofileH.write(tmpStr.c_str(), sizeOfElement);
             n++;
         }
@@ -303,12 +386,21 @@ void EclOutput::writeBinaryCharArray(const std::vector<PaddedOutputString<8>>& d
     }
 }
 
-void EclOutput::writeFormattedHeader(const std::string& arrName, int size, eclArrType arrType)
+void EclOutput::writeFormattedHeader(const std::string& arrName, int size, eclArrType arrType, int element_size)
 {
     std::string name = arrName + std::string(8 - arrName.size(),' ');
 
     ofileH << " '" << name << "' " << std::setw(11) << size;
 
+    std::string c0nn_str;
+
+    if (arrType == C0NN){
+        std::ostringstream ss;
+        ss << "C" << std::setw(3) << std::setfill('0') << element_size;
+        c0nn_str = ss.str();
+    }
+
+
     switch (arrType) {
     case INTE:
         ofileH << " 'INTE'" <<  std::endl;
@@ -325,6 +417,9 @@ void EclOutput::writeFormattedHeader(const std::string& arrName, int size, eclAr
     case CHAR:
         ofileH << " 'CHAR'" <<  std::endl;
         break;
+    case C0NN:
+        ofileH << " '" << c0nn_str << "'" <<  std::endl;
+        break;
     case MESS:
         ofileH << " 'MESS'" <<  std::endl;
         break;
@@ -332,7 +427,7 @@ void EclOutput::writeFormattedHeader(const std::string& arrName, int size, eclAr
 }
 
 
-std::string EclOutput::make_real_string(float value) const
+std::string EclOutput::make_real_string_ecl(float value) const
 {
     char buffer [15];
     std::sprintf (buffer, "%10.7E", value);
@@ -367,11 +462,35 @@ std::string EclOutput::make_real_string(float value) const
     }
 }
 
-
+std::string EclOutput::make_real_string_ix(float value) const
-std::string EclOutput::make_doub_string(double value) const
 {
-    char buffer [21];
+    char buffer [15];
-    std::sprintf (buffer, "%19.13E", value);
+    std::sprintf (buffer, "%10.7E", value);
+
+    if (value == 0.0) {
+        return " 0.0000000E+00";
+    } else {
+        if (std::isnan(value))
+            return "NAN";
+
+        if (std::isinf(value)) {
+            if (value > 0)
+                return "INF";
+            else
+                return "-INF";
+        }
+
+        std::string tmpstr(buffer);
+
+        return tmpstr;
+    }
+}
+
+
+std::string EclOutput::make_doub_string_ecl(double value) const
+{
+    char buffer [21 + 1];
+    std::snprintf (buffer, sizeof buffer, "%19.13E", value);
 
     if (value == 0.0) {
         return "0.00000000000000D+00";
@@ -388,27 +507,52 @@ std::string EclOutput::make_doub_string(double value) const
 
         std::string tmpstr(buffer);
         int exp = value < 0.0 ? std::stoi(tmpstr.substr(17, 4)) : std::stoi(tmpstr.substr(16, 4));
+        const bool use_exp_char = (exp >= -100) && (exp < 99);
 
         if (value < 0.0) {
-            if (std::abs(exp) < 100) {
+            if (use_exp_char) {
                 tmpstr = "-0." + tmpstr.substr(1, 1) + tmpstr.substr(3, 13) + "D";
             } else {
                 tmpstr = "-0." + tmpstr.substr(1, 1) + tmpstr.substr(3, 13);
             }
         } else {
-            if (std::abs(exp) < 100) {
+            if (use_exp_char) {
                 tmpstr = "0." + tmpstr.substr(0, 1) + tmpstr.substr(2, 13) + "D";
             } else {
                 tmpstr = "0." + tmpstr.substr(0, 1) + tmpstr.substr(2, 13);
             }
         }
 
-        std::sprintf(buffer, "%+03i", exp + 1);
+        std::snprintf(buffer, sizeof buffer, "%+03i", exp + 1);
         tmpstr = tmpstr + buffer;
         return tmpstr;
     }
 }
 
+std::string EclOutput::make_doub_string_ix(double value) const
+{
+    char buffer [21];
+    std::sprintf (buffer, "%19.13E", value);
+
+    if (value == 0.0) {
+        return " 0.0000000000000E+00";
+    } else {
+        if (std::isnan(value))
+            return "NAN";
+
+        if (std::isinf(value)) {
+            if (value > 0)
+                return "INF";
+            else
+                return "-INF";
+        }
+
+        std::string tmpstr(buffer);
+
+        return tmpstr;
+    }
+}
+
 
 template <typename T>
 void EclOutput::writeFormattedArray(const std::vector<T>& data)
@@ -427,6 +571,7 @@ void EclOutput::writeFormattedArray(const std::vector<T>& data)
         arrType = LOGI;
     }
 
+
     auto sizeData = block_size_data_formatted(arrType);
 
     int maxBlockSize = std::get<0>(sizeData);
@@ -441,10 +586,16 @@ void EclOutput::writeFormattedArray(const std::vector<T>& data)
             ofileH << std::setw(columnWidth) << data[i];
             break;
         case REAL:
-            ofileH << std::setw(columnWidth) << make_real_string(data[i]);
+            if (ix_standard)
+                ofileH << std::setw(columnWidth) << make_real_string_ix(data[i]);
+            else
+                ofileH << std::setw(columnWidth) << make_real_string_ecl(data[i]);
             break;
         case DOUB:
-            ofileH << std::setw(columnWidth) << make_doub_string(data[i]);
+            if (ix_standard)
+                ofileH << std::setw(columnWidth) << make_doub_string_ix(data[i]);
+            else
+                ofileH << std::setw(columnWidth) << make_doub_string_ecl(data[i]);
             break;
         case LOGI:
             if (data[i]) {
@@ -479,18 +630,34 @@ template void EclOutput::writeFormattedArray<bool>(const std::vector<bool>& data
 template void EclOutput::writeFormattedArray<char>(const std::vector<char>& data);
 
 
-void EclOutput::writeFormattedCharArray(const std::vector<std::string>& data)
+void EclOutput::writeFormattedCharArray(const std::vector<std::string>& data, int element_size)
 {
     auto sizeData = block_size_data_formatted(CHAR);
+    int maxBlockSize = std::get<0>(sizeData);
 
-    int nColumns = std::get<1>(sizeData);
+    int nColumns;
 
-    int size = data.size();
+    if (element_size < 9)
+    {
+        element_size = 8;
+        nColumns = std::get<1>(sizeData);
+    } else
+        nColumns = 80 / (element_size + 3);
+
+    int rest = data.size();
+    int n = 0;
+
+    while (rest > 0) {
+        int size = rest;
+
+        if (size > maxBlockSize)
+            size = maxBlockSize;
 
         for (int i = 0; i < size; i++) {
-        std::string str1(8,' ');
+            std::string str1(element_size,' ');
-        str1 = data[i] + std::string(8 - data[i].size(),' ');
+            str1 = data[n] + std::string(element_size - data[n].size(),' ');
 
+            n++;
             ofileH << " '" << str1 << "'";
 
             if ((i+1) % nColumns == 0) {
@@ -501,8 +668,12 @@ void EclOutput::writeFormattedCharArray(const std::vector<std::string>& data)
         if ((size % nColumns) != 0) {
             ofileH  << std::endl;
         }
+
+        rest = (rest > maxBlockSize) ? rest - maxBlockSize : 0;
+    }
 }
 
+
 void EclOutput::writeFormattedCharArray(const std::vector<PaddedOutputString<8>>& data)
 {
     const auto sizeData = block_size_data_formatted(CHAR);

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/EclUtil.cpp

@@ -23,10 +23,14 @@
 #include <cross-platform/PortableEndian.hpp>
 
 #include <algorithm>
+#include <array>
 #include <stdexcept>
 #include <cmath>
 #include <fstream>
+#include <cstring>
 
+//temporary
+#include <iostream>
 
 int Opm::EclIO::flipEndianInt(int num)
 {
@@ -61,6 +65,21 @@ double Opm::EclIO::flipEndianDouble(double num)
     return value;
 }
 
+bool Opm::EclIO::fileExists(const std::string& filename){
+
+    std::ifstream fileH(filename.c_str());
+    return fileH.good();
+}
+
+bool Opm::EclIO::isFormatted(const std::string& filename)
+{
+    const auto p = filename.find_last_of(".");
+    if (p == std::string::npos)
+      OPM_THROW(std::invalid_argument,
+                "Purported ECLIPSE Filename'" + filename + "'does not contain extension");
+    return std::strchr("ABCFGH", static_cast<int>(filename[p+1])) != nullptr;
+}
+
 bool Opm::EclIO::isEOF(std::fstream* fileH)
 {
     int num;
@@ -96,6 +115,9 @@ std::tuple<int, int> Opm::EclIO::block_size_data_binary(eclArrType arrType)
     case CHAR:
         return BlockSizeTuple{sizeOfChar, MaxBlockSizeChar};
         break;
+    case C0NN:
+        return BlockSizeTuple{sizeOfChar, MaxBlockSizeChar};
+        break;
     case MESS:
         OPM_THROW(std::invalid_argument, "Type 'MESS' have no associated data");
         break;
@@ -126,6 +148,9 @@ std::tuple<int, int, int> Opm::EclIO::block_size_data_formatted(eclArrType arrTy
     case CHAR:
         return BlockSizeTuple{MaxNumBlockChar,numColumnsChar, columnWidthChar};
         break;
+    case C0NN:
+        return BlockSizeTuple{MaxNumBlockChar,numColumnsChar, columnWidthChar};
+        break;
     case MESS:
         OPM_THROW(std::invalid_argument, "Type 'MESS' have no associated data") ;
         break;
@@ -147,7 +172,7 @@ std::string Opm::EclIO::trimr(const std::string &str1)
     }
 }
 
-uint64_t Opm::EclIO::sizeOnDiskBinary(int64_t num, Opm::EclIO::eclArrType arrType)
+uint64_t Opm::EclIO::sizeOnDiskBinary(int64_t num, Opm::EclIO::eclArrType arrType, int elementSize)
 {
     uint64_t size = 0;
 
@@ -160,6 +185,11 @@ uint64_t Opm::EclIO::sizeOnDiskBinary(int64_t num, Opm::EclIO::eclArrType arrTyp
         if (num > 0) {
             auto sizeData = Opm::EclIO::block_size_data_binary(arrType);
 
+            if (arrType == Opm::EclIO::C0NN){
+                std::get<1>(sizeData)= std::get<1>(sizeData) / std::get<0>(sizeData) * elementSize;
+                std::get<0>(sizeData) = elementSize;
+            }
+
             int sizeOfElement = std::get<0>(sizeData);
             int maxBlockSize = std::get<1>(sizeData);
             int maxNumberOfElements = maxBlockSize / sizeOfElement;
@@ -182,7 +212,7 @@ uint64_t Opm::EclIO::sizeOnDiskBinary(int64_t num, Opm::EclIO::eclArrType arrTyp
     return size;
 }
 
-uint64_t Opm::EclIO::sizeOnDiskFormatted(const int64_t num, Opm::EclIO::eclArrType arrType)
+uint64_t Opm::EclIO::sizeOnDiskFormatted(const int64_t num, Opm::EclIO::eclArrType arrType, int elementSize)
 {
     uint64_t size = 0;
 
@@ -193,6 +223,11 @@ uint64_t Opm::EclIO::sizeOnDiskFormatted(const int64_t num, Opm::EclIO::eclArrTy
     } else {
         auto sizeData = block_size_data_formatted(arrType);
 
+        if (arrType == Opm::EclIO::C0NN){
+            std::get<2>(sizeData) = elementSize + 3;
+            std::get<1>(sizeData) = 80 / std::get<2>(sizeData);
+        }
+
         int maxBlockSize = std::get<0>(sizeData);
         int nColumns = std::get<1>(sizeData);
         int columnWidth = std::get<2>(sizeData);
@@ -257,7 +292,7 @@ void Opm::EclIO::readBinaryHeader(std::fstream& fileH, std::string& tmpStrName,
 }
 
 void Opm::EclIO::readBinaryHeader(std::fstream& fileH, std::string& arrName,
-                      int64_t& size, Opm::EclIO::eclArrType &arrType)
+                      int64_t& size, Opm::EclIO::eclArrType &arrType, int& elementSize)
 {
     std::string tmpStrName(8,' ');
     std::string tmpStrType(4,' ');
@@ -282,15 +317,25 @@ void Opm::EclIO::readBinaryHeader(std::fstream& fileH, std::string& arrName,
         size = static_cast<int64_t>(tmpSize);
     }
 
+    elementSize = 4;
+
     arrName = tmpStrName;
     if (tmpStrType == "INTE")
         arrType = Opm::EclIO::INTE;
     else if (tmpStrType == "REAL")
         arrType = Opm::EclIO::REAL;
-    else if (tmpStrType == "DOUB")
+    else if (tmpStrType == "DOUB"){
         arrType = Opm::EclIO::DOUB;
-    else if (tmpStrType == "CHAR")
+        elementSize = 8;
+    }
+    else if (tmpStrType == "CHAR"){
         arrType = Opm::EclIO::CHAR;
+        elementSize = 8;
+    }
+    else if (tmpStrType.substr(0,1)=="C"){
+        arrType = Opm::EclIO::C0NN;
+        elementSize = std::stoi(tmpStrType.substr(1,3));
+    }
     else if (tmpStrType =="LOGI")
         arrType = Opm::EclIO::LOGI;
     else if (tmpStrType == "MESS")
@@ -301,7 +346,7 @@ void Opm::EclIO::readBinaryHeader(std::fstream& fileH, std::string& arrName,
 
 
 void Opm::EclIO::readFormattedHeader(std::fstream& fileH, std::string& arrName,
-                         int64_t &num, Opm::EclIO::eclArrType &arrType)
+                         int64_t &num, Opm::EclIO::eclArrType &arrType, int& elementSize)
 {
     std::string line;
     std::getline(fileH,line);
@@ -321,14 +366,24 @@ void Opm::EclIO::readFormattedHeader(std::fstream& fileH, std::string& arrName,
 
     num = std::stol(antStr);
 
+    elementSize = 4;
+
     if (arrTypeStr == "INTE")
         arrType = Opm::EclIO::INTE;
     else if (arrTypeStr == "REAL")
         arrType = Opm::EclIO::REAL;
-    else if (arrTypeStr == "DOUB")
+    else if (arrTypeStr == "DOUB"){
         arrType = Opm::EclIO::DOUB;
-    else if (arrTypeStr == "CHAR")
+        elementSize = 8;
+    }
+    else if (arrTypeStr == "CHAR"){
         arrType = Opm::EclIO::CHAR;
+        elementSize = 8;
+    }
+    else if (arrTypeStr.substr(0,1)=="C"){
+        arrType = Opm::EclIO::C0NN;
+        elementSize = std::stoi(arrTypeStr.substr(1,3));
+    }
     else if (arrTypeStr == "LOGI")
         arrType = Opm::EclIO::LOGI;
     else if (arrTypeStr == "MESS")
@@ -340,3 +395,271 @@ void Opm::EclIO::readFormattedHeader(std::fstream& fileH, std::string& arrName,
         OPM_THROW(std::runtime_error, "Header name should be 8 characters");
     }
 }
+
+template<typename T, typename T2>
+std::vector<T> Opm::EclIO::readBinaryArray(std::fstream& fileH, const int64_t size, Opm::EclIO::eclArrType type,
+                               std::function<T(T2)>& flip, int elementSize)
+{
+    std::vector<T> arr;
+
+    auto sizeData = block_size_data_binary(type);
+
+    if (type == Opm::EclIO::C0NN){
+        std::get<1>(sizeData)= std::get<1>(sizeData) / std::get<0>(sizeData) * elementSize;
+        std::get<0>(sizeData) = elementSize;
+    }
+
+    int sizeOfElement = std::get<0>(sizeData);
+    int maxBlockSize = std::get<1>(sizeData);
+    int maxNumberOfElements = maxBlockSize / sizeOfElement;
+
+    arr.reserve(size);
+
+    int64_t rest = size;
+
+    while (rest > 0) {
+        int dhead;
+        fileH.read(reinterpret_cast<char*>(&dhead), sizeof(dhead));
+        dhead = Opm::EclIO::flipEndianInt(dhead);
+        int num = dhead / sizeOfElement;
+
+        if ((num > maxNumberOfElements) || (num < 0)) {
+            OPM_THROW(std::runtime_error, "Error reading binary data, inconsistent header data or incorrect number of elements");
+        }
+
+        for (int i = 0; i < num; i++) {
+            T2 value;
+
+            if constexpr (std::is_same_v<T2, std::string>) {
+                value.resize(sizeOfElement) ;
+                fileH.read(&value[0], sizeOfElement);
+            } else
+                fileH.read(reinterpret_cast<char*>(&value), sizeOfElement);
+
+            arr.push_back(flip(value));
+        }
+
+        rest -= num;
+
+        if (( num < maxNumberOfElements && rest != 0) ||
+            (num == maxNumberOfElements && rest < 0)) {
+            std::string message = "Error reading binary data, incorrect number of elements";
+            OPM_THROW(std::runtime_error, message);
+        }
+
+        int dtail;
+        fileH.read(reinterpret_cast<char*>(&dtail), sizeof(dtail));
+        dtail = Opm::EclIO::flipEndianInt(dtail);
+
+        if (dhead != dtail) {
+            OPM_THROW(std::runtime_error, "Error reading binary data, tail not matching header.");
+        }
+    }
+
+    return arr;
+}
+
+
+std::vector<int> Opm::EclIO::readBinaryInteArray(std::fstream &fileH, const int64_t size)
+{
+    std::function<int(int)> f = Opm::EclIO::flipEndianInt;
+    return readBinaryArray<int,int>(fileH, size, Opm::EclIO::INTE, f, sizeOfInte);
+}
+
+
+std::vector<float> Opm::EclIO::readBinaryRealArray(std::fstream& fileH, const int64_t size)
+{
+    std::function<float(float)> f = Opm::EclIO::flipEndianFloat;
+    return readBinaryArray<float,float>(fileH, size, Opm::EclIO::REAL, f, sizeOfReal);
+}
+
+
+std::vector<double> Opm::EclIO::readBinaryDoubArray(std::fstream& fileH, const int64_t size)
+{
+    std::function<double(double)> f = Opm::EclIO::flipEndianDouble;
+    return readBinaryArray<double,double>(fileH, size, Opm::EclIO::DOUB, f, sizeOfDoub);
+}
+
+std::vector<bool> Opm::EclIO::readBinaryLogiArray(std::fstream &fileH, const int64_t size)
+{
+    std::function<bool(unsigned int)> f = [](unsigned int intVal)
+                                          {
+                                              bool value;
+                                              if (intVal == Opm::EclIO::true_value_ecl) {
+                                                  value = true;
+                                              } else if (intVal == Opm::EclIO::false_value) {
+                                                  value = false;
+                                              } else if (intVal == Opm::EclIO::true_value_ix) {
+                                                  value = true;
+                                              } else {
+                                                  OPM_THROW(std::runtime_error, "Error reading logi value");
+                                              }
+
+                                              return value;
+                                          };
+    return readBinaryArray<bool,unsigned int>(fileH, size, Opm::EclIO::LOGI, f, sizeOfLogi);
+}
+
+std::vector<unsigned int> Opm::EclIO::readBinaryRawLogiArray(std::fstream &fileH, const int64_t size)
+{
+    std::function<unsigned int(unsigned int)> f = [](unsigned int intVal)
+                                          {
+                                              return intVal;
+                                          };
+    return readBinaryArray<unsigned int, unsigned int>(fileH, size, Opm::EclIO::LOGI, f, sizeOfLogi);
+}
+
+
+std::vector<std::string> Opm::EclIO::readBinaryCharArray(std::fstream& fileH, const int64_t size)
+{
+    using Char8 = std::array<char, 8>;
+    std::function<std::string(Char8)> f = [](const Char8& val)
+                                          {
+                                              std::string res(val.begin(), val.end());
+                                              return Opm::EclIO::trimr(res);
+                                          };
+    return readBinaryArray<std::string,Char8>(fileH, size, Opm::EclIO::CHAR, f, sizeOfChar);
+}
+
+
+std::vector<std::string> Opm::EclIO::readBinaryC0nnArray(std::fstream& fileH, const int64_t size, int elementSize)
+{
+    std::function<std::string(std::string)> f = [](const std::string& val)
+                                          {
+                                              return Opm::EclIO::trimr(val);
+                                          };
+
+    return readBinaryArray<std::string,std::string>(fileH, size, Opm::EclIO::C0NN, f, elementSize);
+}
+
+
+template<typename T>
+std::vector<T> Opm::EclIO::readFormattedArray(const std::string& file_str, const int size, int64_t fromPos,
+                                 std::function<T(const std::string&)>& process)
+{
+    std::vector<T> arr;
+
+    arr.reserve(size);
+
+    int64_t p1=fromPos;
+
+    for (int i=0; i< size; i++) {
+        p1 = file_str.find_first_not_of(' ',p1);
+        int64_t p2 = file_str.find_first_of(' ', p1);
+
+        arr.push_back(process(file_str.substr(p1, p2-p1)));
+
+        p1 = file_str.find_first_not_of(' ',p2);
+    }
+
+    return arr;
+}
+
+
+std::vector<int> Opm::EclIO::readFormattedInteArray(const std::string& file_str, const int64_t size, int64_t fromPos)
+{
+
+    std::function<int(const std::string&)> f = [](const std::string& val)
+                                               {
+                                                   return std::stoi(val);
+                                               };
+
+    return readFormattedArray(file_str, size, fromPos, f);
+}
+
+
+std::vector<std::string> Opm::EclIO::readFormattedCharArray(const std::string& file_str, const int64_t size,
+                                                            int64_t fromPos, int elementSize)
+{
+    std::vector<std::string> arr;
+    arr.reserve(size);
+
+    int64_t p1=fromPos;
+
+    for (int i=0; i< size; i++) {
+        p1 = file_str.find_first_of('\'',p1);
+        std::string value = file_str.substr(p1 + 1, elementSize);
+
+        if (value == "        ") {
+            arr.push_back("");
+        } else {
+            arr.push_back(Opm::EclIO::trimr(value));
+        }
+
+        p1 = p1 + elementSize + 2;
+    }
+
+    return arr;
+}
+
+
+std::vector<float> Opm::EclIO::readFormattedRealArray(const std::string& file_str, const int64_t size, int64_t fromPos)
+{
+
+    std::function<float(const std::string&)> f = [](const std::string& val)
+                                                 {
+                                                     // tskille: temporary fix, need to be discussed. OPM flow writes numbers
+                                                     // that are outside valid range for float, and function stof will fail
+                                                     double dtmpv = std::stod(val);
+                                                     return dtmpv;
+                                                 };
+
+    return readFormattedArray<float>(file_str, size, fromPos, f);
+}
+
+std::vector<std::string> Opm::EclIO::readFormattedRealRawStrings(const std::string& file_str, const int64_t size, int64_t fromPos)
+{
+
+
+    std::function<std::string(const std::string&)> f = [](const std::string& val)
+                                                 {
+                                                     return val;
+                                                 };
+
+    return readFormattedArray<std::string>(file_str, size, fromPos, f);
+}
+
+
+std::vector<bool> Opm::EclIO::readFormattedLogiArray(const std::string& file_str, const int64_t size, int64_t fromPos)
+{
+
+    std::function<bool(const std::string&)> f = [](const std::string& val)
+                                                {
+                                                    if (val[0] == 'T') {
+                                                        return true;
+                                                    } else if (val[0] == 'F') {
+                                                        return false;
+                                                    } else {
+                                                        std::string message="Could not convert '" + val + "' to a bool value ";
+                                                        OPM_THROW(std::invalid_argument, message);
+                                                    }
+                                                };
+
+    return readFormattedArray<bool>(file_str, size, fromPos, f);
+}
+
+std::vector<double> Opm::EclIO::readFormattedDoubArray(const std::string& file_str, const int64_t size, int64_t fromPos)
+{
+
+    std::function<double(const std::string&)> f = [](std::string val)
+                                                  {
+                                                      auto p1 = val.find_first_of("D");
+
+                                                      if (p1 != std::string::npos) {
+                                                          val.replace(p1,1,"E");
+                                                      }
+
+                                                      p1 = val.find_first_of("E");
+
+                                                      if (p1 == std::string::npos) {
+                                                          auto p2 = val.find_first_of("-+", 1);
+
+                                                          if (p2 != std::string::npos)
+                                                              val = val.insert(p2,"E");
+                                                      }
+                                                      return std::stod(val);
+                                                  };
+
+    return readFormattedArray<double>(file_str, size, fromPos, f);
+}
+

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/SummaryNode.cpp

@@ -15,7 +15,9 @@
 
    You should have received a copy of the GNU General Public License
    along with OPM.  If not, see <http://www.gnu.org/licenses/>.
-   */
+*/
+
+#include <opm/io/eclipse/SummaryNode.hpp>
 
 #include <numeric>
 #include <regex>
@@ -23,8 +25,6 @@
 #include <unordered_set>
 #include <vector>
 
-#include <opm/io/eclipse/SummaryNode.hpp>
-
 namespace {
 
 constexpr bool use_number(Opm::EclIO::SummaryNode::Category category) {
@@ -37,6 +37,7 @@ constexpr bool use_number(Opm::EclIO::SummaryNode::Category category) {
         return true;
     case Opm::EclIO::SummaryNode::Category::Field:         [[fallthrough]];
     case Opm::EclIO::SummaryNode::Category::Group:         [[fallthrough]];
+    case Opm::EclIO::SummaryNode::Category::Node:          [[fallthrough]];
     case Opm::EclIO::SummaryNode::Category::Miscellaneous: [[fallthrough]];
     case Opm::EclIO::SummaryNode::Category::Well:
         return false;
@@ -51,6 +52,7 @@ constexpr bool use_name(Opm::EclIO::SummaryNode::Category category) {
     case Opm::EclIO::SummaryNode::Category::Connection:    [[fallthrough]];
     case Opm::EclIO::SummaryNode::Category::Group:         [[fallthrough]];
     case Opm::EclIO::SummaryNode::Category::Segment:       [[fallthrough]];
+    case Opm::EclIO::SummaryNode::Category::Node:          [[fallthrough]];
     case Opm::EclIO::SummaryNode::Category::Well:
         return true;
     case Opm::EclIO::SummaryNode::Category::Aquifer:       [[fallthrough]];
@@ -69,7 +71,23 @@ std::string default_number_renderer(const Opm::EclIO::SummaryNode& node) {
     return std::to_string(node.number);
 }
 
-};
+bool is_node_keyword(const std::string& keyword)
+{
+    static const auto node_kw = std::unordered_set<std::string> {
+        "GPR",
+    };
+
+    return node_kw.find(keyword) != node_kw.end();
+}
+
+Opm::EclIO::SummaryNode::Category
+distinguish_group_from_node(const std::string& keyword)
+{
+    return is_node_keyword(keyword)
+        ? Opm::EclIO::SummaryNode::Category::Node
+        : Opm::EclIO::SummaryNode::Category::Group;
+}
+}
 
 std::string Opm::EclIO::SummaryNode::unique_key(number_renderer render_number) const {
     std::vector<std::string> key_parts { keyword } ;
@@ -120,7 +138,7 @@ bool Opm::EclIO::SummaryNode::is_user_defined() const {
         "SURFWNUM",
     } ;
 
-    static const std::regex user_defined_regex { "[ABCFGRSW]U[A-Z]+" } ;
+    static const std::regex user_defined_regex { "[ABCFGRSW]U[A-Z0-9_]+" } ;
 
     const bool matched     { std::regex_match(keyword, user_defined_regex) } ;
     const bool blacklisted { udq_blacklist.find(keyword) != udq_blacklist.end() } ;
@@ -145,7 +163,7 @@ Opm::EclIO::SummaryNode::Category Opm::EclIO::SummaryNode::category_from_keyword
     case 'B': return Category::Block;
     case 'C': return Category::Connection;
     case 'F': return Category::Field;
-    case 'G': return Category::Group;
+    case 'G': return distinguish_group_from_node(keyword);
     case 'R': return Category::Region;
     case 'S': return Category::Segment;
     case 'W': return Category::Well;

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/rst/group.cpp

@@ -32,24 +32,42 @@ namespace RestartIO {
 
 using M  = ::Opm::UnitSystem::measure;
 
+double sgrp_value(float raw_value) {
+    const auto infty = 1.0e+20f;
+    if (std::abs(raw_value) == infty)
+        return 0;
+    else
+        return raw_value;
+}
+
 RstGroup::RstGroup(const ::Opm::UnitSystem& unit_system,
+                   const RstHeader& header,
                    const std::string* zwel,
-                   const int *,
+                   const int * igrp,
                    const float * sgrp,
                    const double * xgrp) :
     name(trim_copy(zwel[0])),
-    oil_rate_limit(                unit_system.to_si(M::liquid_surface_rate,   sgrp[VI::SGroup::OilRateLimit])),
+    parent_group(igrp[header.nwgmax + VI::IGroup::ParentGroup] ),
-    water_rate_limit(              unit_system.to_si(M::liquid_surface_rate,   sgrp[VI::SGroup::WatRateLimit])),
+    prod_active_cmode(igrp[header.nwgmax + VI::IGroup::ProdActiveCMode]),
-    gas_rate_limit(                unit_system.to_si(M::gas_surface_rate,      sgrp[VI::SGroup::GasRateLimit])),
+    gconprod_cmode(igrp[header.nwgmax + VI::IGroup::GConProdCMode]),
-    liquid_rate_limit(             unit_system.to_si(M::liquid_surface_rate,   sgrp[VI::SGroup::LiqRateLimit])),
+    winj_cmode(igrp[header.nwgmax + VI::IGroup::WInjCMode]),
-    water_surface_limit(           unit_system.to_si(M::liquid_surface_rate,   sgrp[VI::SGroup::waterSurfRateLimit])),
+    ginj_cmode(igrp[header.nwgmax + VI::IGroup::GInjCMode]),
-    water_reservoir_limit(         unit_system.to_si(M::liquid_surface_rate,   sgrp[VI::SGroup::waterResRateLimit])),
+    guide_rate_def(igrp[header.nwgmax + VI::IGroup::GuideRateDef]),
-    water_reinject_limit(          unit_system.to_si(M::liquid_surface_rate,   sgrp[VI::SGroup::waterReinjectionLimit])),
+    // The values oil_rate_limit -> gas_voidage_limit will be used in UDA
-    water_voidage_limit(           unit_system.to_si(M::liquid_surface_rate,   sgrp[VI::SGroup::waterVoidageLimit])),
+    // values. The UDA values are responsible for unit conversion and raw values
-    gas_surface_limit(             unit_system.to_si(M::gas_surface_rate,      sgrp[VI::SGroup::gasSurfRateLimit])),
+    // are internalized here.
-    gas_reservoir_limit(           unit_system.to_si(M::geometric_volume_rate, sgrp[VI::SGroup::gasResRateLimit])),
+    oil_rate_limit(                sgrp_value(sgrp[VI::SGroup::OilRateLimit])),
-    gas_reinject_limit(            unit_system.to_si(M::gas_surface_rate,      sgrp[VI::SGroup::gasReinjectionLimit])),
+    water_rate_limit(              sgrp_value(sgrp[VI::SGroup::WatRateLimit])),
-    gas_voidage_limit(             unit_system.to_si(M::geometric_volume_rate, sgrp[VI::SGroup::gasVoidageLimit])),
+    gas_rate_limit(                sgrp_value(sgrp[VI::SGroup::GasRateLimit])),
+    liquid_rate_limit(             sgrp_value(sgrp[VI::SGroup::LiqRateLimit])),
+    water_surface_limit(           sgrp_value(sgrp[VI::SGroup::waterSurfRateLimit])),
+    water_reservoir_limit(         sgrp_value(sgrp[VI::SGroup::waterResRateLimit])),
+    water_reinject_limit(          sgrp_value(sgrp[VI::SGroup::waterReinjectionLimit])),
+    water_voidage_limit(           sgrp_value(sgrp[VI::SGroup::waterVoidageLimit])),
+    gas_surface_limit(             sgrp_value(sgrp[VI::SGroup::gasSurfRateLimit])),
+    gas_reservoir_limit(           sgrp_value(sgrp[VI::SGroup::gasResRateLimit])),
+    gas_reinject_limit(            sgrp_value(sgrp[VI::SGroup::gasReinjectionLimit])),
+    gas_voidage_limit(             sgrp_value(sgrp[VI::SGroup::gasVoidageLimit])),
     oil_production_rate(           unit_system.to_si(M::liquid_surface_rate,   xgrp[VI::XGroup::OilPrRate])),
     water_production_rate(         unit_system.to_si(M::liquid_surface_rate,   xgrp[VI::XGroup::WatPrRate])),
     gas_production_rate(           unit_system.to_si(M::gas_surface_rate,      xgrp[VI::XGroup::GasPrRate])),

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/rst/header.cpp

@@ -23,13 +23,15 @@
 #include <opm/output/eclipse/VectorItems/logihead.hpp>
 #include <opm/output/eclipse/VectorItems/doubhead.hpp>
 #include <opm/common/utility/TimeService.hpp>
+#include <opm/parser/eclipse/Units/UnitSystem.hpp>
 
 namespace VI = ::Opm::RestartIO::Helpers::VectorItems;
+using M = ::Opm::UnitSystem::measure;
 
 namespace Opm {
 namespace RestartIO {
 
-RstHeader::RstHeader(const std::vector<int>& intehead, const std::vector<bool>& logihead, const std::vector<double>& doubhead) :
+RstHeader::RstHeader(const Opm::UnitSystem& unit_system, const std::vector<int>& intehead, const std::vector<bool>& logihead, const std::vector<double>& doubhead) :
     nx(intehead[VI::intehead::NX]),
     ny(intehead[VI::intehead::NY]),
     nz(intehead[VI::intehead::NZ]),
@@ -84,6 +86,7 @@ RstHeader::RstHeader(const std::vector<int>& intehead, const std::vector<bool>&
     ntfip(intehead[VI::intehead::NTFIP]),
     nmfipr(intehead[VI::intehead::NMFIPR]),
     ngroup(intehead[VI::intehead::NGRP]),
+    nwgmax(intehead[VI::intehead::NWGMAX]),
     //
     e300_radial(logihead[VI::logihead::E300Radial]),
     e100_radial(logihead[VI::logihead::E100Radial]),
@@ -98,16 +101,19 @@ RstHeader::RstHeader(const std::vector<int>& intehead, const std::vector<bool>&
     dir_eps(logihead[VI::logihead::DirEPS]),
     reversible_eps(logihead[VI::logihead::RevEPS]),
     alt_eps(logihead[VI::logihead::AltEPS]),
+    group_control_active(intehead[VI::intehead::NGRNPH] == 1),
     //
-    next_timestep1(doubhead[VI::doubhead::TsInit]),
+    next_timestep1(unit_system.to_si(M::time, doubhead[VI::doubhead::TsInit])),
-    next_timestep2(doubhead[VI::doubhead::TsMaxz]),
+    next_timestep2(0),
-    max_timestep(doubhead[VI::doubhead::TsMinz]),
+    max_timestep(unit_system.to_si(M::time, doubhead[VI::doubhead::TsMaxz])),
     guide_rate_a(doubhead[VI::doubhead::GRpar_a]),
     guide_rate_b(doubhead[VI::doubhead::GRpar_b]),
     guide_rate_c(doubhead[VI::doubhead::GRpar_c]),
     guide_rate_d(doubhead[VI::doubhead::GRpar_d]),
     guide_rate_e(doubhead[VI::doubhead::GRpar_e]),
     guide_rate_f(doubhead[VI::doubhead::GRpar_f]),
+    guide_rate_delay(unit_system.to_si(M::time, doubhead[VI::doubhead::GRpar_int])),
+    guide_rate_damping(doubhead[VI::doubhead::GRpar_damp]),
     udq_range(doubhead[VI::doubhead::UdqPar_2]),
     udq_undefined(doubhead[VI::doubhead::UdqPar_3]),
     udq_eps(doubhead[VI::doubhead::UdqPar_4])

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/rst/segment.cpp

@@ -23,6 +23,8 @@
 #include <opm/parser/eclipse/EclipseState/Schedule/MSW/Segment.hpp>
 #include <opm/parser/eclipse/Units/UnitSystem.hpp>
 
+#include "src/opm/parser/eclipse/EclipseState/Schedule/MSW/icd_convert.hpp"
+
 namespace VI = ::Opm::RestartIO::Helpers::VectorItems;
 
 namespace Opm {

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/rst/state.cpp

@@ -34,6 +34,16 @@ namespace VI = ::Opm::RestartIO::Helpers::VectorItems;
 namespace Opm {
 namespace RestartIO {
 
+RstState::RstState(const ::Opm::UnitSystem& unit_system_,
+                   const std::vector<int>& intehead,
+                   const std::vector<bool>& logihead,
+                   const std::vector<double>& doubhead):
+    unit_system(unit_system_),
+    header(unit_system_, intehead, logihead, doubhead)
+{
+    this->load_tuning(intehead, doubhead);
+}
+
 RstState::RstState(const ::Opm::UnitSystem& unit_system_,
                    const std::vector<int>& intehead,
                    const std::vector<bool>& logihead,
@@ -49,11 +59,9 @@ RstState::RstState(const ::Opm::UnitSystem& unit_system_,
                    const std::vector<int>& icon,
                    const std::vector<float>& scon,
                    const std::vector<double>& xcon):
-    unit_system(unit_system_),
+    RstState(unit_system_, intehead, logihead, doubhead)
-    header(intehead, logihead, doubhead)
 {
     this->add_groups(zgrp, igrp, sgrp, xgrp);
-    this->load_tuning(intehead, doubhead);
 
     for (int iw = 0; iw < this->header.num_wells; iw++) {
         std::size_t zwel_offset = iw * this->header.nzwelz;
@@ -99,11 +107,9 @@ RstState::RstState(const ::Opm::UnitSystem& unit_system_,
                    const std::vector<double>& xcon,
                    const std::vector<int>& iseg,
                    const std::vector<double>& rseg) :
-    unit_system(unit_system_),
+    RstState(unit_system_, intehead, logihead, doubhead)
-    header(intehead, logihead, doubhead)
 {
     this->add_groups(zgrp, igrp, sgrp, xgrp);
-    this->load_tuning(intehead, doubhead);
 
     for (int iw = 0; iw < this->header.num_wells; iw++) {
         std::size_t zwel_offset = iw * this->header.nzwelz;
@@ -181,6 +187,7 @@ void RstState::add_groups(const std::vector<std::string>& zgrp,
         std::size_t xgrp_offset = ig * this->header.nxgrpz;
 
         this->groups.emplace_back(this->unit_system,
+                                  this->header,
                                   zgrp.data() + zgrp_offset,
                                   igrp.data() + igrp_offset,
                                   sgrp.data() + sgrp_offset,
@@ -202,30 +209,32 @@ const RstWell& RstState::get_well(const std::string& wname) const {
 
 RstState RstState::load(EclIO::ERst& rst_file, int report_step) {
     rst_file.loadReportStepNumber(report_step);
-    const auto& intehead = rst_file.getRst<int>("INTEHEAD", report_step, 0);
+    const auto& intehead = rst_file.getRestartData<int>("INTEHEAD", report_step, 0);
-    const auto& logihead = rst_file.getRst<bool>("LOGIHEAD", report_step, 0);
+    const auto& logihead = rst_file.getRestartData<bool>("LOGIHEAD", report_step, 0);
-    const auto& doubhead = rst_file.getRst<double>("DOUBHEAD", report_step, 0);
+    const auto& doubhead = rst_file.getRestartData<double>("DOUBHEAD", report_step, 0);
-
-    const auto& zgrp = rst_file.getRst<std::string>("ZGRP", report_step, 0);
-    const auto& igrp = rst_file.getRst<int>("IGRP", report_step, 0);
-    const auto& sgrp = rst_file.getRst<float>("SGRP", report_step, 0);
-    const auto& xgrp = rst_file.getRst<double>("XGRP", report_step, 0);
-
-    const auto& zwel = rst_file.getRst<std::string>("ZWEL", report_step, 0);
-    const auto& iwel = rst_file.getRst<int>("IWEL", report_step, 0);
-    const auto& swel = rst_file.getRst<float>("SWEL", report_step, 0);
-    const auto& xwel = rst_file.getRst<double>("XWEL", report_step, 0);
-
-    const auto& icon = rst_file.getRst<int>("ICON", report_step, 0);
-    const auto& scon = rst_file.getRst<float>("SCON", report_step, 0);
-    const auto& xcon = rst_file.getRst<double>("XCON", report_step, 0);
 
     auto unit_id = intehead[VI::intehead::UNIT];
     ::Opm::UnitSystem unit_system(unit_id);
 
+    if (intehead[VI::intehead::NWELLS] != 0) {
+        const auto& zgrp = rst_file.getRestartData<std::string>("ZGRP", report_step, 0);
+        const auto& igrp = rst_file.getRestartData<int>("IGRP", report_step, 0);
+        const auto& sgrp = rst_file.getRestartData<float>("SGRP", report_step, 0);
+        const auto& xgrp = rst_file.getRestartData<double>("XGRP", report_step, 0);
+
+        const auto& zwel = rst_file.getRestartData<std::string>("ZWEL", report_step, 0);
+        const auto& iwel = rst_file.getRestartData<int>("IWEL", report_step, 0);
+        const auto& swel = rst_file.getRestartData<float>("SWEL", report_step, 0);
+        const auto& xwel = rst_file.getRestartData<double>("XWEL", report_step, 0);
+
+        const auto& icon = rst_file.getRestartData<int>("ICON", report_step, 0);
+        const auto& scon = rst_file.getRestartData<float>("SCON", report_step, 0);
+        const auto& xcon = rst_file.getRestartData<double>("XCON", report_step, 0);
+
+
         if (rst_file.hasKey("ISEG")) {
-        const auto& iseg = rst_file.getRst<int>("ISEG", report_step, 0);
+            const auto& iseg = rst_file.getRestartData<int>("ISEG", report_step, 0);
-        const auto& rseg = rst_file.getRst<double>("RSEG", report_step, 0);
+            const auto& rseg = rst_file.getRestartData<double>("RSEG", report_step, 0);
 
             return RstState(unit_system,
                             intehead, logihead, doubhead,
@@ -239,6 +248,8 @@ RstState RstState::load(EclIO::ERst& rst_file, int report_step) {
                             zgrp, igrp, sgrp, xgrp,
                             zwel, iwel, swel, xwel,
                             icon, scon, xcon);
+    } else
+        return RstState(unit_system, intehead, logihead, doubhead);
 }
 
 }

ThirdParty/custom-opm-common/opm-common/src/opm/io/eclipse/rst/well.cpp

@@ -61,32 +61,39 @@ RstWell::RstWell(const ::Opm::UnitSystem& unit_system,
     ij(                                                              {iwel[VI::IWell::IHead] - 1, iwel[VI::IWell::JHead] - 1}),
     k1k2(                                                            std::make_pair(iwel[VI::IWell::FirstK] - 1, iwel[VI::IWell::LastK] - 1)),
     wtype(                                                           iwel[VI::IWell::WType], def_ecl_phase),
+    well_status(                                                     iwel[VI::IWell::Status]),
     active_control(                                                  iwel[VI::IWell::ActWCtrl]),
     vfp_table(                                                       iwel[VI::IWell::VFPTab]),
-    pred_requested_control(                                          iwel[VI::IWell::PredReqWCtrl]),
     allow_xflow(                                                     iwel[VI::IWell::XFlow] == 1),
+    preferred_phase(                                                 iwel[VI::IWell::PreferredPhase]),
     hist_requested_control(                                          iwel[VI::IWell::HistReqWCtrl]),
     msw_index(                                                       iwel[VI::IWell::MsWID]),
     completion_ordering(                                             iwel[VI::IWell::CompOrd]),
     pvt_table(                                                       def_pvt_table),
-    orat_target(         unit_system.to_si(M::identity,              swel_value(swel[VI::SWell::OilRateTarget]))),
+    msw_pressure_drop_model(                                         iwel[VI::IWell::MSW_PlossMod]),
-    wrat_target(         unit_system.to_si(M::identity,              swel_value(swel[VI::SWell::WatRateTarget]))),
+    // The values orat_target -> bhp_target_flow will be used in UDA values. The
-    grat_target(         unit_system.to_si(M::identity,              swel_value(swel[VI::SWell::GasRateTarget]))),
+    // UDA values are responsible for unit conversion and raw values are
-    lrat_target(         unit_system.to_si(M::identity,              swel_value(swel[VI::SWell::LiqRateTarget]))),
+    // internalized here.
-    resv_target(         unit_system.to_si(M::identity,              swel_value(swel[VI::SWell::ResVRateTarget]))),
+    orat_target(                                                     swel_value(swel[VI::SWell::OilRateTarget])),
-    thp_target(          unit_system.to_si(M::identity,              swel_value(swel[VI::SWell::THPTarget]))),
+    wrat_target(                                                     swel_value(swel[VI::SWell::WatRateTarget])),
-    bhp_target_float(    unit_system.to_si(M::identity,              swel[VI::SWell::BHPTarget])),
+    grat_target(                                                     swel_value(swel[VI::SWell::GasRateTarget])),
+    lrat_target(                                                     swel_value(swel[VI::SWell::LiqRateTarget])),
+    resv_target(                                                     swel_value(swel[VI::SWell::ResVRateTarget])),
+    thp_target(                                                      swel_value(swel[VI::SWell::THPTarget])),
+    bhp_target_float(                                                swel[VI::SWell::BHPTarget]),
     hist_lrat_target(    unit_system.to_si(M::liquid_surface_rate,   swel[VI::SWell::HistLiqRateTarget])),
     hist_grat_target(    unit_system.to_si(M::gas_surface_rate,      swel[VI::SWell::HistGasRateTarget])),
     hist_bhp_target(     unit_system.to_si(M::pressure,              swel[VI::SWell::HistBHPTarget])),
     datum_depth(         unit_system.to_si(M::length,                swel[VI::SWell::DatumDepth])),
     drainage_radius(     unit_system.to_si(M::length,                swel_value(swel[VI::SWell::DrainageRadius]))),
     efficiency_factor(   unit_system.to_si(M::identity,              swel[VI::SWell::EfficiencyFactor1])),
+    alq_value(                                                       swel[VI::SWell::Alq_value]),
     oil_rate(            unit_system.to_si(M::liquid_surface_rate,   xwel[VI::XWell::OilPrRate])),
     water_rate(          unit_system.to_si(M::liquid_surface_rate,   xwel[VI::XWell::WatPrRate])),
     gas_rate(            unit_system.to_si(M::gas_surface_rate,      xwel[VI::XWell::GasPrRate])),
     liquid_rate(         unit_system.to_si(M::rate,                  xwel[VI::XWell::LiqPrRate])),
     void_rate(           unit_system.to_si(M::rate,                  xwel[VI::XWell::VoidPrRate])),
+    thp(                 unit_system.to_si(M::pressure,              xwel[VI::XWell::TubHeadPr])),
     flow_bhp(            unit_system.to_si(M::pressure,              xwel[VI::XWell::FlowBHP])),
     wct(                 unit_system.to_si(M::water_cut,             xwel[VI::XWell::WatCut])),
     gor(                 unit_system.to_si(M::gas_oil_ratio,         xwel[VI::XWell::GORatio])),

ThirdParty/custom-opm-common/opm-common/src/opm/parser/eclipse/EclipseState/Schedule/Well/Well.cpp

@@ -129,7 +129,7 @@ Well::Well(const RestartIO::RstWell& rst_well,
     guide_rate(def_guide_rate),
     efficiency_factor(rst_well.efficiency_factor),
     solvent_fraction(def_solvent_fraction),
-    prediction_mode(rst_well.pred_requested_control != 0),
+//    prediction_mode(rst_well.pred_requested_control != 0),
     econ_limits(std::make_shared<WellEconProductionLimits>()),
     foam_properties(std::make_shared<WellFoamProperties>()),
     polymer_properties(std::make_shared<WellPolymerProperties>()),