Well target mapping: separate start and grow data filters

Add a start data filter used when finding starting cells. If empty, the
grow filter is used. An empty grow filter allows growing anywhere.

ApplicationLibCode/ProjectDataModel/RimWellTargetMapping.cpp

@@ -160,7 +160,17 @@ RimWellTargetMapping::RimWellTargetMapping()
                        "How much to increase the bounding box of the first case to cover for any grid size differences across the "
                        "ensemble." );
 
-    CAF_PDM_InitFieldNoDefault( &m_dataFilter, "DataFilter", "Data Filter" );
+    // "DataFilter" is the grow filter; keeping the keyword keeps old project files working (an empty start filter falls back to it).
+    CAF_PDM_InitFieldNoDefault( &m_startDataFilter,
+                                "StartDataFilter",
+                                "Start Data Filter",
+                                "",
+                                "Limits where starting cells are searched for. If empty, the grow data filter is used." );
+    CAF_PDM_InitFieldNoDefault( &m_dataFilter,
+                                "DataFilter",
+                                "Grow Data Filter",
+                                "",
+                                "Limits where clusters can grow. If empty, clusters can grow anywhere in the model." );
 
     CAF_PDM_InitFieldNoDefault( &m_ensembleStatisticsCase, "EnsembleStatisticsCase", "Ensemble Statistics Case" );
 
@@ -226,7 +236,7 @@ QList<caf::PdmOptionItemInfo> RimWellTargetMapping::calculateValueOptions( const
             caf::AppEnum<RigWellTargetMapping::VolumesType>::setEnumSubset( &m_volumesType, findAvailableVolumesTypes( fc ) );
         }
     }
-    else if ( fieldNeedingOptions == &m_dataFilter )
+    else if ( fieldNeedingOptions == &m_dataFilter || fieldNeedingOptions == &m_startDataFilter )
     {
         options.push_back( caf::PdmOptionItemInfo( "None", nullptr ) );
 
@@ -498,6 +508,7 @@ void RimWellTargetMapping::defineUiOrdering( QString uiConfigName, caf::PdmUiOrd
     auto gridEnsemble = firstAncestorOrThisOfType<RimReservoirGridEnsemble>();
 
     auto hasEnsembleParent = firstAncestorOrThisOfType<RimEclipseCaseEnsemble>() != nullptr || gridEnsemble != nullptr;
+    uiOrdering.add( &m_startDataFilter );
     uiOrdering.add( &m_dataFilter );
 
     caf::PdmUiGroup* minimumCellValuesGroup = uiOrdering.addNewGroup( "Minimum Cell Values" );
@@ -560,7 +571,8 @@ RigWellTargetMapping::ClusteringLimits RimWellTargetMapping::getClusteringLimits
              .maxNumTargets    = m_maxNumTargets,
              .maxIterations    = m_maxIterations,
              .filterAddress    = m_resultDefinition->eclipseResultAddress(),
-             .dataFilter       = m_dataFilter() };
+             .startDataFilter  = m_startDataFilter(),
+             .growDataFilter   = m_dataFilter() };
 }
 
 //--------------------------------------------------------------------------------------------------

ApplicationLibCode/ProjectDataModel/RimWellTargetMapping.h

@@ -107,7 +107,8 @@ private:
     caf::PdmField<int> m_cellCountJ;
     caf::PdmField<int> m_cellCountK;
 
-    caf::PdmPtrField<RimCellFilter*> m_dataFilter;
+    caf::PdmPtrField<RimCellFilter*> m_startDataFilter;
+    caf::PdmPtrField<RimCellFilter*> m_dataFilter; // grow filter
 
     caf::PdmChildField<RimEclipseCase*> m_ensembleStatisticsCase;
 

ApplicationLibCode/ReservoirDataModel/Well/RigWellTargetMapping.cpp

@@ -146,45 +146,53 @@ void RigWellTargetMapping::generateCandidates( RimEclipseCase*            eclips
         data.transmissibilityNNC = nullptr;
     }
 
-    std::vector<double> filterVector;
-    if ( limits.dataFilter )
+    // Evaluate for each realization after opening its grid, using the mapping's time step.
+    auto computeFilterVector = [&]( RimCellFilter* dataFilter ) -> std::vector<double>
     {
-        // Evaluate for each realization after opening its grid, using the mapping's time step.
-        auto visibility = RimCellFilterTools::computeReservoirCellVisibility( limits.dataFilter, eclipseCase, timeStepIdx );
-        if ( visibility.notNull() )
+        std::vector<double> filterVector;
+        if ( dataFilter )
         {
-            auto activeReservoirCellIndices =
-                caseData->activeCellInfo( RiaDefines::PorosityModelType::MATRIX_MODEL )->activeReservoirCellIndices();
-            const int numActiveCells = static_cast<int>( activeReservoirCellIndices.size() );
-            filterVector.resize( numActiveCells );
-
-            // Convert reservoir visibility to the active-cell indexing used by clustering.
-#pragma omp parallel for
-            for ( int i = 0; i < numActiveCells; i++ )
+            auto visibility = RimCellFilterTools::computeReservoirCellVisibility( dataFilter, eclipseCase, timeStepIdx );
+            if ( visibility.notNull() )
             {
-                filterVector[i] = visibility->val( activeReservoirCellIndices[i].value() ) ? 1.0 : 0.0;
+                auto activeReservoirCellIndices =
+                    caseData->activeCellInfo( RiaDefines::PorosityModelType::MATRIX_MODEL )->activeReservoirCellIndices();
+                const int numActiveCells = static_cast<int>( activeReservoirCellIndices.size() );
+                filterVector.resize( numActiveCells );
+
+                // Convert reservoir visibility to the active-cell indexing used by clustering.
+#pragma omp parallel for
+                for ( int i = 0; i < numActiveCells; i++ )
+                {
+                    filterVector[i] = visibility->val( activeReservoirCellIndices[i].value() ) ? 1.0 : 0.0;
+                }
+            }
+            else
+            {
+                // Fall through to the unfiltered path below so all realizations in an ensemble get a result,
+                // consistent with how an invalid filterAddress is handled.
+                RiaLogging::warning(
+                    std::format( "Unable to evaluate well target mapping data filter for case '{}'. Continuing without filter.",
+                                 eclipseCase->caseUserDescription().toStdString() ) );
             }
         }
-        else
+        else if ( limits.filterAddress.isValid() )
         {
-            // Fall through to the unfiltered path below so all realizations in an ensemble get a result,
-            // consistent with how an invalid filterAddress is handled.
-            RiaLogging::warning(
-                std::format( "Unable to evaluate well target mapping data filter for case '{}'. Continuing without filter.",
-                             eclipseCase->caseUserDescription().toStdString() ) );
+            resultsData->ensureKnownResultLoaded( limits.filterAddress );
+            filterVector = resultsData->cellScalarResults( limits.filterAddress, timeStepIdx );
         }
-    }
-    else if ( limits.filterAddress.isValid() )
-    {
-        resultsData->ensureKnownResultLoaded( limits.filterAddress );
-        filterVector = resultsData->cellScalarResults( limits.filterAddress, timeStepIdx );
-    }
 
-    // Disable filtering if not configured: set all items to 1 (which includes all cells).
-    if ( filterVector.empty() || filterVector.size() != data.pressure.size() )
-    {
-        filterVector = std::vector<double>( data.pressure.size(), 1.0 );
-    }
+        // Disable filtering if not configured: set all items to 1 (which includes all cells).
+        if ( filterVector.empty() || filterVector.size() != data.pressure.size() )
+        {
+            filterVector = std::vector<double>( data.pressure.size(), 1.0 );
+        }
+        return filterVector;
+    };
+
+    const std::vector<double> growFilterVector = computeFilterVector( limits.growDataFilter );
+    // Without a start filter, the grow filter is used to find the starting cells.
+    const std::vector<double> startFilterVector = limits.startDataFilter ? computeFilterVector( limits.startDataFilter ) : growFilterVector;
 
     const QString logKeyword = "RigWellTargetMapping";
 
@@ -196,7 +204,7 @@ void RigWellTargetMapping::generateCandidates( RimEclipseCase*            eclips
     for ( int clusterId = 1; clusterId <= numClusters; clusterId++ )
     {
         std::optional<caf::VecIjk0> startCell =
-            RigWellTargetMappingTools::findStartCell( eclipseCase, timeStepIdx, volumeType, limits, data, filterVector, clusters );
+            RigWellTargetMappingTools::findStartCell( eclipseCase, timeStepIdx, volumeType, limits, data, startFilterVector, clusters );
 
         if ( startCell.has_value() )
         {
@@ -213,7 +221,7 @@ void RigWellTargetMapping::generateCandidates( RimEclipseCase*            eclips
                                                     volumeType,
                                                     limits,
                                                     data,
-                                                    filterVector,
+                                                    growFilterVector,
                                                     clusters,
                                                     clusterId,
                                                     timeStepIdx,

ApplicationLibCode/ReservoirDataModel/Well/RigWellTargetMapping.h

@@ -68,7 +68,8 @@ public:
         int                     maxNumTargets;
         int                     maxIterations;
         RigEclipseResultAddress filterAddress;
-        RimCellFilter*          dataFilter = nullptr;
+        RimCellFilter*          startDataFilter = nullptr; // falls back to growDataFilter if null
+        RimCellFilter*          growDataFilter  = nullptr;
     };
 
     static void generateCandidates( RimEclipseCase*            eclipseCase,

ApplicationLibCode/UnitTests/RimWellTargetMapping-Test.cpp

@@ -113,6 +113,19 @@ TEST( RimWellTargetMappingTest, FilterOptionsUseOwningCase )
     EXPECT_EQ( caf::PdmOptionItemInfo( "Case filter", filter ).value(), options[1].value() );
 }
 
+TEST( RimWellTargetMappingTest, StartFilterOptionsUseOwningCase )
+{
+    RimEclipseResultCase eclipseCase;
+    auto                 mapping = new TestableWellTargetMapping;
+    eclipseCase.addWellTargetMapping( mapping );
+    auto filter = eclipseCase.dataFilterCollection()->addNewRangeFilter();
+    filter->setName( "Case filter" );
+
+    auto options = mapping->calculateValueOptions( mapping->findField( "StartDataFilter" ) );
+    ASSERT_EQ( 2, options.size() );
+    EXPECT_EQ( caf::PdmOptionItemInfo( "Case filter", filter ).value(), options[1].value() );
+}
+
 TEST( RimWellTargetMappingTest, FilterOptionsUseOwningEnsemble )
 {
     RimReservoirGridEnsemble ensemble;
@@ -222,9 +235,9 @@ TEST_P( RimWellTargetMappingFilterTest, FiltersClustersWithoutViews )
     if ( useEnsemble )
     {
         RigWellTargetMapping::ClusteringLimits limits{};
-        limits.maxNumTargets = 1;
-        limits.maxIterations = 10;
-        limits.dataFilter    = filter;
+        limits.maxNumTargets  = 1;
+        limits.maxIterations  = 10;
+        limits.growDataFilter = filter;
         RigFloodingSettings                 floodingSettings( RigFloodingSettings::FloodingType::WATER_FLOODING,
                                               0.0,
                                               RigFloodingSettings::FloodingType::GAS_FLOODING,