From 9424bdd0deda407bb9068f7d67ed9ac5b8c9396d Mon Sep 17 00:00:00 2001
From: Magne Sjaastad <magne.sjaastad@ceetronsolutions.com>
Date: Tue, 3 Dec 2019 12:58:04 +0100
Subject: [PATCH] #5158 Grid Case Group: Allow statistics on static data only

Support grid cases with no dynamic data present.
---
 .../ProjectDataModel/RimEclipseResultCase.cpp            | 5 -----
 .../ProjectDataModel/RimEclipseStatisticsCase.cpp        | 6 ++++++
 .../RimEclipseStatisticsCaseEvaluator.cpp                | 9 +++++++--
 3 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/ApplicationCode/ProjectDataModel/RimEclipseResultCase.cpp b/ApplicationCode/ProjectDataModel/RimEclipseResultCase.cpp
index 94f9c0f188..fce2afd4da 100644
--- a/ApplicationCode/ProjectDataModel/RimEclipseResultCase.cpp
+++ b/ApplicationCode/ProjectDataModel/RimEclipseResultCase.cpp
@@ -291,11 +291,6 @@ bool RimEclipseResultCase::openAndReadActiveCellData( RigEclipseCaseData* mainEc
         eclipseCase->setMainGrid( mainEclipseCase->mainGrid() );
 
         std::vector<QDateTime> timeStepDates = mainEclipseCase->results( RiaDefines::MATRIX_MODEL )->timeStepDates();
-        if ( timeStepDates.size() == 0 )
-        {
-            return false;
-        }
-
         cvf::ref<RifReaderEclipseOutput> readerEclipseOutput = new RifReaderEclipseOutput;
         if ( !readerEclipseOutput->openAndReadActiveCellData( caseFileName(), timeStepDates, eclipseCase.p() ) )
         {
diff --git a/ApplicationCode/ProjectDataModel/RimEclipseStatisticsCase.cpp b/ApplicationCode/ProjectDataModel/RimEclipseStatisticsCase.cpp
index 954c1d4ec4..9863786af6 100644
--- a/ApplicationCode/ProjectDataModel/RimEclipseStatisticsCase.cpp
+++ b/ApplicationCode/ProjectDataModel/RimEclipseStatisticsCase.cpp
@@ -252,6 +252,12 @@ void RimEclipseStatisticsCase::computeStatistics()
         timeStepIndices.push_back( i );
     }
 
+    // If no dynamic data is present, we might end up with no time steps. Make sure we have at least one.
+    if ( timeStepIndices.empty() )
+    {
+        timeStepIndices.push_back( 0 );
+    }
+
     RigEclipseCaseData* resultCase = eclipseCaseData();
 
     QList<RimEclipseStatisticsCaseEvaluator::ResSpec> resultSpecification;
diff --git a/ApplicationCode/ProjectDataModel/RimEclipseStatisticsCaseEvaluator.cpp b/ApplicationCode/ProjectDataModel/RimEclipseStatisticsCaseEvaluator.cpp
index bf58446473..31e39d0077 100644
--- a/ApplicationCode/ProjectDataModel/RimEclipseStatisticsCaseEvaluator.cpp
+++ b/ApplicationCode/ProjectDataModel/RimEclipseStatisticsCaseEvaluator.cpp
@@ -36,6 +36,8 @@
 
 #include <QDebug>
 
+#include <algorithm>
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
@@ -57,10 +59,13 @@ void RimEclipseStatisticsCaseEvaluator::addNamedResult( RigCaseCellResultsData*
 
     destinationCellResults->setTimeStepInfos( resAddr, sourceTimeStepInfos );
     std::vector<std::vector<double>>* dataValues = destinationCellResults->modifiableCellScalarResultTimesteps( resAddr );
-    dataValues->resize( sourceTimeStepInfos.size() );
+
+    size_t timeStepCount = std::max( size_t( 1 ), sourceTimeStepInfos.size() );
+
+    dataValues->resize( timeStepCount );
 
     // Initializes the size of the destination dataset to active union cell count
-    for ( size_t i = 0; i < sourceTimeStepInfos.size(); i++ )
+    for ( size_t i = 0; i < timeStepCount; i++ )
     {
         dataValues->at( i ).resize( activeUnionCellCount, HUGE_VAL );
     }