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#7608 Ensemble Fracture Statistics: Exclude cells with few samples for mean.

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Kristian Bendiksen 2021-04-23 14:19:47 +02:00 committed by Magne Sjaastad
parent 76f8a484e8
commit 1d210bb66a
2 changed files with 45 additions and 3 deletions
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47
ApplicationLibCode/ProjectDataModel/Completions/RimEnsembleFractureStatistics.cpp
View File

@ -323,7 +323,7 @@ std::vector<QString> RimEnsembleFractureStatistics::computeStatistics()
sampleAllGrids( fractureGrids, gridXs, gridYs, samples );
std::map<RimEnsembleFractureStatistics::StatisticsType, std::shared_ptr<RigSlice2D>> statisticsGrids;
generateStatisticsGrids( samples, gridXs.size(), gridYs.size(), statisticsGrids, selectedStatistics );
generateStatisticsGrids( samples, gridXs.size(), gridYs.size(), fractureGrids.size(), statisticsGrids, selectedStatistics );
for ( auto [statType, slice] : statisticsGrids )
{
@ -899,8 +899,7 @@ void RimEnsembleFractureStatistics::sampleAllGrids( const std::vector<cvf::cref<
{
size_t idx = y * samplesX.size() + x;
double value = fractureCell.getConductivityValue();
if ( std::isinf( value ) ) value = 0.0;
samples[idx].push_back( value );
if ( !std::isinf( value ) ) samples[idx].push_back( value );
break;
}
}
@ -948,6 +947,7 @@ void RimEnsembleFractureStatistics::generateStatisticsGrids(
const std::vector<std::vector<double>>& samples,
size_t numSamplesX,
size_t numSamplesY,
size_t numGrids,
std::map<RimEnsembleFractureStatistics::StatisticsType, std::shared_ptr<RigSlice2D>>& statisticsGrids,
const std::vector<caf::AppEnum<RimEnsembleFractureStatistics::StatisticsType>>& statisticsTypes )
{
@ -975,6 +975,8 @@ void RimEnsembleFractureStatistics::generateStatisticsGrids(
grid->setValue( x, y, value );
};
RigSlice2D occurrenceGrid( numSamplesX, numSamplesY );
for ( size_t y = 0; y < numSamplesY; y++ )
{
for ( size_t x = 0; x < numSamplesX; x++ )
@ -1025,6 +1027,45 @@ void RimEnsembleFractureStatistics::generateStatisticsGrids(
y,
samples[idx].size() );
}
// Internal occurrence grid for the area correction is always calculated
occurrenceGrid.setValue( x, y, samples[idx].size() );
}
}
auto clearCells =
[]( std::shared_ptr<RigSlice2D>& grid, const RigSlice2D& occurrenceGrid, size_t numGrids, double limitFraction ) {
for ( size_t y = 0; y < occurrenceGrid.ny(); y++ )
{
for ( size_t x = 0; x < occurrenceGrid.nx(); x++ )
{
double fraction = occurrenceGrid.getValue( x, y ) / numGrids;
if ( fraction < limitFraction )
{
grid->setValue( x, y, 0.0 );
}
}
}
};
// Post-process the resulting grids improve area representation
// 1: Mean only include cells which have values in half of more of the grids
if ( calculateMean )
clearCells( statisticsGrids[RimEnsembleFractureStatistics::StatisticsType::MEAN], occurrenceGrid, numGrids, 0.5 );
// 2: Minimum only include cells present in every grid
if ( calculateMin )
clearCells( statisticsGrids[RimEnsembleFractureStatistics::StatisticsType::MIN], occurrenceGrid, numGrids, 1.0 );
// 3: P10 only include cells with have values in 10% or more of the grids
if ( calculateP10 )
clearCells( statisticsGrids[RimEnsembleFractureStatistics::StatisticsType::P10], occurrenceGrid, numGrids, 0.1 );
// 4: P50 only include cells which have values in half of more of the grids
if ( calculateP50 )
clearCells( statisticsGrids[RimEnsembleFractureStatistics::StatisticsType::P50], occurrenceGrid, numGrids, 0.5 );
// 5: P90 only include cells with have values in 90% or more of the grids
if ( calculateP90 )
clearCells( statisticsGrids[RimEnsembleFractureStatistics::StatisticsType::P90], occurrenceGrid, numGrids, 0.9 );
}

1
ApplicationLibCode/ProjectDataModel/Completions/RimEnsembleFractureStatistics.h
View File

@ -179,6 +179,7 @@ protected:
const std::vector<std::vector<double>>& samples,
size_t numSamplesX,
size_t numSamplesY,
size_t numGrids,
std::map<RimEnsembleFractureStatistics::StatisticsType, std::shared_ptr<RigSlice2D>>& statisticsGrids,
const std::vector<caf::AppEnum<RimEnsembleFractureStatistics::StatisticsType>>& statisticsTypes );