#12487 Python: add export from eclipse case to corner point grid.

Exports to zcorn, coords and actnum arrays.

Fixes #12487.

ApplicationLibCode/ProjectDataModelCommands/RimcEclipseCase.cpp

@@ -22,13 +22,17 @@
 #include "RiaGuiApplication.h"
 #include "RiaKeyValueStoreUtil.h"
 
+#include "RigActiveCellInfo.h"
 #include "RigCaseCellResultsData.h"
 #include "RigEclipseCaseData.h"
 #include "RigEclipseResultAddress.h"
+#include "RigGridExportAdapter.h"
 #include "RigMainGrid.h"
+#include "RigResdataGridConverter.h"
 #include "RigResultAccessor.h"
 #include "RigResultAccessorFactory.h"
 
+#include "RimCase.h"
 #include "RimEclipseCase.h"
 #include "RimProject.h"
 
@@ -181,3 +185,70 @@ std::expected<caf::PdmObjectHandle*, QString> RimcEclipseCase_exportValuesIntern
 
     return nullptr;
 }
+
+CAF_PDM_OBJECT_METHOD_SOURCE_INIT( RimEclipseCase, RimcEclipseCase_exportCornerPointGridInternal, "export_corner_point_grid_internal" );
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RimcEclipseCase_exportCornerPointGridInternal::RimcEclipseCase_exportCornerPointGridInternal( caf::PdmObjectHandle* self )
+    : caf::PdmVoidObjectMethod( self )
+{
+    CAF_PDM_InitObject( "Export Corner Point Grid Internal", "", "", "Export Corner Point Grid Internal" );
+
+    CAF_PDM_InitScriptableFieldNoDefault( &m_zcornKey, "ZcornKey", "" );
+    CAF_PDM_InitScriptableFieldNoDefault( &m_coordKey, "CoordKey", "" );
+    CAF_PDM_InitScriptableFieldNoDefault( &m_actnumKey, "ActnumKey", "" );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+std::expected<caf::PdmObjectHandle*, QString> RimcEclipseCase_exportCornerPointGridInternal::execute()
+{
+    auto eclipseCase = self<RimEclipseCase>();
+    if ( !eclipseCase )
+    {
+        return std::unexpected( "Unable to get Eclipse case." );
+    }
+
+    RigEclipseCaseData* eclipseCaseData = eclipseCase->eclipseCaseData();
+    if ( !eclipseCaseData )
+    {
+        return std::unexpected( "Unable to load eclipse case data." );
+    }
+
+    auto keyValueStore = RiaApplication::instance()->keyValueStore();
+
+    // Use RigGridExportAdapter to handle full grid export
+    // Export the full grid (no min/max bounds, no refinement, no visibility override)
+    RigGridExportAdapter gridAdapter( eclipseCaseData, cvf::Vec3st::ZERO, cvf::Vec3st::UNDEFINED, cvf::Vec3st( 1, 1, 1 ), nullptr );
+
+    // Use the existing conversion utility to get the arrays in the correct format
+    std::vector<float> coordArray;
+    std::vector<float> zcornArray;
+    std::vector<int>   actnumArray;
+
+    RigResdataGridConverter::convertGridToCornerPointArrays( gridAdapter, coordArray, zcornArray, actnumArray );
+
+    // Convert actnum from int to float for key-value store
+    std::vector<float> actnumFloat;
+    actnumFloat.reserve( actnumArray.size() );
+    for ( int value : actnumArray )
+    {
+        actnumFloat.push_back( static_cast<float>( value ) );
+    }
+
+    // Store arrays in key-value store
+    keyValueStore->set( m_zcornKey().toStdString(), RiaKeyValueStoreUtil::convertToByteVector( zcornArray ) );
+    keyValueStore->set( m_coordKey().toStdString(), RiaKeyValueStoreUtil::convertToByteVector( coordArray ) );
+    keyValueStore->set( m_actnumKey().toStdString(), RiaKeyValueStoreUtil::convertToByteVector( actnumFloat ) );
+
+    // Store grid dimensions as well
+    std::vector<float> dimensions = { static_cast<float>( gridAdapter.cellCountI() ),
+                                      static_cast<float>( gridAdapter.cellCountJ() ),
+                                      static_cast<float>( gridAdapter.cellCountK() ) };
+    keyValueStore->set( ( m_zcornKey().toStdString() + "_dimensions" ), RiaKeyValueStoreUtil::convertToByteVector( dimensions ) );
+
+    return nullptr;
+}