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Merge topic 'mir-any-cell-type'
8bb664de8 Support any cell type in MIR filter Acked-by: Kitware Robot <kwrobot@kitware.com> Acked-by: Abhishek Yenpure <abhi.yenpure@kitware.com> Merge-request: !3121
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docs/changelog/mir-any-cell-type.md
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docs/changelog/mir-any-cell-type.md
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@ -0,0 +1,10 @@
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# Support any cell type in MIR filter
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Previously, the MIR filter ran a check the dimensionality of the cells in
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its input data set to make sure they conformed to the algorithm. The only
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real reason this was necessary is because the `MeshQuality` filter can only
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check the size of either area or volume, and it has to know which one to
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check. However, the `CellMeasures` filter can compute the sizes of all
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types of cells simultaneously (as well as more cell types). By using this
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filter, the MIR filter can skip the cell type checks and support more mesh
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types.
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@ -21,18 +21,13 @@
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#include <vtkm/filter/contour/MIRFilter.h>
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#include <vtkm/filter/contour/worklet/MIR.h>
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#include <vtkm/filter/mesh_info/MeshQuality.h>
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#include <vtkm/filter/mesh_info/CellMeasures.h>
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#include <vtkm/worklet/Keys.h>
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#include <vtkm/worklet/ScatterCounting.h>
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namespace vtkm
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{
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/*
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Todos:
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Enable some sort of cell culling, so if a cell doesn't have any work to do, it doesn't get called in future invocations of MIR
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*/
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namespace filter
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{
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namespace contour
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@ -79,37 +74,13 @@ VTKM_CONT bool MIRFilter::DoMapField(
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//-----------------------------------------------------------------------------
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VTKM_CONT vtkm::cont::DataSet MIRFilter::DoExecute(const vtkm::cont::DataSet& input)
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{
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vtkm::worklet::CheckFor2D cellCheck;
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vtkm::cont::ArrayHandle<vtkm::Id> count2D, count3D, countBad;
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this->Invoke(cellCheck, input.GetCellSet(), count2D, count3D, countBad);
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vtkm::Id c2 = vtkm::cont::Algorithm::Reduce(count2D, vtkm::Id(0));
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vtkm::Id c3 = vtkm::cont::Algorithm::Reduce(count3D, vtkm::Id(0));
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vtkm::Id cB = vtkm::cont::Algorithm::Reduce(countBad, vtkm::Id(0));
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if (cB > vtkm::Id(0))
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{
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VTKM_LOG_S(
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vtkm::cont::LogLevel::Fatal,
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"Bad cell found in MIR filter input! Strictly only 2D -xor- 3D cell sets are permitted!");
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}
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if (c2 > vtkm::Id(0) && c3 > vtkm::Id(0))
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{
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VTKM_LOG_S(
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vtkm::cont::LogLevel::Fatal,
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"Bad cell mix found in MIR filter input! Input is not allowed to have both 2D and 3D cells.");
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}
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if (c2 == vtkm::Id(0) && c3 == vtkm::Id(0))
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{
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VTKM_LOG_S(vtkm::cont::LogLevel::Fatal,
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"No cells found for MIR filter! Please don't call me with nothing!");
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}
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const vtkm::cont::CoordinateSystem inputCoords =
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input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex());
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> avgSizeTot;
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vtkm::filter::mesh_info::MeshQuality getVol(c3 > 0 ? vtkm::filter::mesh_info::CellMetric::Volume
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: vtkm::filter::mesh_info::CellMetric::Area);
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getVol.SetOutputFieldName("size");
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vtkm::cont::ArrayCopyShallowIfPossible(getVol.Execute(input).GetCellField("size").GetData(),
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vtkm::filter::mesh_info::CellMeasures getSize(
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vtkm::filter::mesh_info::IntegrationType::AllMeasures);
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getSize.SetCellMeasureName("size");
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vtkm::cont::ArrayCopyShallowIfPossible(getSize.Execute(input).GetCellField("size").GetData(),
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avgSizeTot);
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// First, load up all fields...
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vtkm::cont::Field or_pos = input.GetField(this->pos_name);
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@ -275,7 +246,7 @@ VTKM_CONT vtkm::cont::DataSet MIRFilter::DoExecute(const vtkm::cont::DataSet& in
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// Hacking workaround to not clone an entire dataset.
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> avgSize;
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vtkm::cont::ArrayCopyShallowIfPossible(getVol.Execute(saved).GetCellField("size").GetData(),
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vtkm::cont::ArrayCopyShallowIfPossible(getSize.Execute(saved).GetCellField("size").GetData(),
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avgSize);
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vtkm::worklet::CalcError_C calcErrC;
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@ -2304,51 +2304,6 @@ public:
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totalErrorOut = TEO(totalError);
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}
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};
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struct CheckFor2D : public vtkm::worklet::WorkletVisitCellsWithPoints
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{
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using ControlSignature = void(CellSetIn,
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FieldOutCell is2D,
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FieldOutCell is3D,
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FieldOutCell isOther);
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using ExecutionSignature = void(CellShape, _2, _3, _4);
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using InputDomain = _1;
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template <typename OO, typename OP, typename OQ, typename SHAPE>
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VTKM_EXEC void operator()(const SHAPE shape, OO& is2D, OP& is3D, OQ& isOther) const
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{
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is2D = vtkm::Id(0);
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is3D = vtkm::Id(0);
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if (shape.Id == vtkm::CellShapeIdToTag<vtkm::CELL_SHAPE_TRIANGLE>::Tag().Id ||
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shape.Id == vtkm::CellShapeIdToTag<vtkm::CELL_SHAPE_POLYGON>::Tag().Id ||
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shape.Id == vtkm::CellShapeIdToTag<vtkm::CELL_SHAPE_QUAD>::Tag().Id ||
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shape.Id == vtkm::Id(6) // Tri strip?
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|| shape.Id == vtkm::Id(8) /* Pixel? */)
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{
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is2D = vtkm::Id(1);
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}
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else if (shape.Id == vtkm::Id(0) /*Empty*/
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|| shape.Id == vtkm::CellShapeIdToTag<vtkm::CELL_SHAPE_LINE>::Tag().Id ||
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shape.Id == vtkm::CellShapeIdToTag<vtkm::CELL_SHAPE_POLY_LINE>::Tag().Id ||
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shape.Id == vtkm::CellShapeIdToTag<vtkm::CELL_SHAPE_VERTEX>::Tag().Id ||
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shape.Id == vtkm::Id(2) /* Poly Vertex? */)
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{
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isOther = vtkm::Id(1);
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}
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else if (shape.Id == vtkm::CellShapeIdToTag<vtkm::CELL_SHAPE_TETRA>::Tag().Id ||
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shape.Id == vtkm::CellShapeIdToTag<vtkm::CELL_SHAPE_HEXAHEDRON>::Tag().Id ||
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shape.Id == vtkm::CellShapeIdToTag<vtkm::CELL_SHAPE_WEDGE>::Tag().Id ||
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shape.Id == vtkm::CellShapeIdToTag<vtkm::CELL_SHAPE_PYRAMID>::Tag().Id ||
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shape.Id == vtkm::Id(11) /* Voxel? */)
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{
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is3D = vtkm::Id(1);
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}
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else
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{
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// Truly is other
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isOther = vtkm::Id(1);
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}
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}
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};
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struct ConstructCellWeightList : public vtkm::worklet::WorkletMapField
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{
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