42bc9a393c
With recent changes to allow a configuration to change the default types, storage, and cell sets, it is possible to feed filters and other components types they were not previously expecting. Fix feature gaps where these components were not accepting the types they should.
256 lines
7.8 KiB
C++
256 lines
7.8 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#include <vtkm/rendering/raytracing/QuadExtractor.h>
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#include <vtkm/cont/Algorithm.h>
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#include <vtkm/rendering/Quadralizer.h>
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#include <vtkm/rendering/raytracing/Worklets.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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namespace vtkm
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{
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namespace rendering
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{
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namespace raytracing
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{
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namespace detail
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{
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class CountQuads : public vtkm::worklet::WorkletVisitCellsWithPoints
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{
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public:
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VTKM_CONT
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CountQuads() {}
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typedef void ControlSignature(CellSetIn cellset, FieldOut);
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typedef void ExecutionSignature(CellShape, _2);
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VTKM_EXEC
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void operator()(vtkm::CellShapeTagGeneric shapeType, vtkm::Id& quads) const
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{
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if (shapeType.Id == vtkm::CELL_SHAPE_QUAD)
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quads = 1;
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else
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quads = 0;
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}
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VTKM_EXEC
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void operator()(vtkm::CellShapeTagHexahedron vtkmNotUsed(shapeType), vtkm::Id& quads) const
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{
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quads = 6;
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}
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VTKM_EXEC
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void operator()(vtkm::CellShapeTagQuad vtkmNotUsed(shapeType), vtkm::Id& points) const
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{
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points = 1;
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}
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VTKM_EXEC
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void operator()(vtkm::CellShapeTagWedge vtkmNotUsed(shapeType), vtkm::Id& points) const
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{
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points = 0;
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}
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}; // ClassCountquads
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class Pointify : public vtkm::worklet::WorkletVisitCellsWithPoints
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{
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public:
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VTKM_CONT
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Pointify() {}
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typedef void ControlSignature(CellSetIn cellset, FieldInCell, WholeArrayOut);
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typedef void ExecutionSignature(_2, CellShape, PointIndices, WorkIndex, _3);
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template <typename VecType, typename OutputPortal>
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VTKM_EXEC void cell2quad(vtkm::Id& offset,
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const VecType& cellIndices,
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const vtkm::Id& cellId,
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const vtkm::Id Id0,
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const vtkm::Id Id1,
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const vtkm::Id Id2,
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const vtkm::Id Id3,
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OutputPortal& outputIndices) const
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{
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vtkm::Vec<vtkm::Id, 5> quad;
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quad[0] = cellId;
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quad[1] = static_cast<vtkm::Id>(cellIndices[vtkm::IdComponent(Id0)]);
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quad[2] = static_cast<vtkm::Id>(cellIndices[vtkm::IdComponent(Id1)]);
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quad[3] = static_cast<vtkm::Id>(cellIndices[vtkm::IdComponent(Id2)]);
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quad[4] = static_cast<vtkm::Id>(cellIndices[vtkm::IdComponent(Id3)]);
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outputIndices.Set(offset++, quad);
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}
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template <typename VecType, typename OutputPortal>
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VTKM_EXEC void operator()(const vtkm::Id& vtkmNotUsed(pointOffset),
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vtkm::CellShapeTagQuad vtkmNotUsed(shapeType),
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const VecType& vtkmNotUsed(cellIndices),
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const vtkm::Id& vtkmNotUsed(cellId),
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OutputPortal& vtkmNotUsed(outputIndices)) const
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{
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}
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template <typename VecType, typename OutputPortal>
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VTKM_EXEC void operator()(const vtkm::Id& vtkmNotUsed(pointOffset),
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vtkm::CellShapeTagWedge vtkmNotUsed(shapeType),
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const VecType& vtkmNotUsed(cellIndices),
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const vtkm::Id& vtkmNotUsed(cellId),
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OutputPortal& vtkmNotUsed(outputIndices)) const
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{
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}
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template <typename VecType, typename OutputPortal>
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VTKM_EXEC void operator()(const vtkm::Id& pointOffset,
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vtkm::CellShapeTagHexahedron vtkmNotUsed(shapeType),
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const VecType& cellIndices,
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const vtkm::Id& cellId,
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OutputPortal& outputIndices) const
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{
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vtkm::Id offset = pointOffset;
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cell2quad(offset, cellIndices, cellId, 0, 1, 5, 4, outputIndices);
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cell2quad(offset, cellIndices, cellId, 1, 2, 6, 5, outputIndices);
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cell2quad(offset, cellIndices, cellId, 3, 7, 6, 2, outputIndices);
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cell2quad(offset, cellIndices, cellId, 0, 4, 7, 3, outputIndices);
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cell2quad(offset, cellIndices, cellId, 0, 3, 2, 1, outputIndices);
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cell2quad(offset, cellIndices, cellId, 4, 5, 6, 7, outputIndices);
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}
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template <typename VecType, typename OutputPortal>
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VTKM_EXEC void operator()(const vtkm::Id& pointOffset,
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vtkm::CellShapeTagGeneric shapeType,
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const VecType& cellIndices,
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const vtkm::Id& cellId,
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OutputPortal& outputIndices) const
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{
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if (shapeType.Id == vtkm::CELL_SHAPE_QUAD)
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{
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vtkm::Vec<vtkm::Id, 5> quad;
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quad[0] = cellId;
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quad[1] = cellIndices[0];
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quad[2] = cellIndices[1];
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quad[3] = cellIndices[2];
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quad[4] = cellIndices[3];
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outputIndices.Set(pointOffset, quad);
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}
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}
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}; //class pointify
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class Iterator : public vtkm::worklet::WorkletMapField
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{
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public:
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VTKM_CONT
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Iterator() {}
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typedef void ControlSignature(FieldOut);
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typedef void ExecutionSignature(_1, WorkIndex);
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VTKM_EXEC
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void operator()(vtkm::Id2& index, const vtkm::Id2& idx) const { index = idx; }
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}; //class Iterator
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class FieldRadius : public vtkm::worklet::WorkletMapField
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{
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protected:
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vtkm::Float32 MinRadius;
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vtkm::Float32 RadiusDelta;
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vtkm::Float32 MinValue;
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vtkm::Float32 InverseDelta;
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public:
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VTKM_CONT
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FieldRadius(const vtkm::Float32 minRadius,
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const vtkm::Float32 maxRadius,
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const vtkm::Range scalarRange)
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: MinRadius(minRadius)
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, RadiusDelta(maxRadius - minRadius)
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, MinValue(static_cast<vtkm::Float32>(scalarRange.Min))
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{
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vtkm::Float32 delta = static_cast<vtkm::Float32>(scalarRange.Max - scalarRange.Min);
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if (delta != 0.f)
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InverseDelta = 1.f / (delta);
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else
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InverseDelta = 0.f; // just map scalar to 0;
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}
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typedef void ControlSignature(FieldIn, FieldOut, WholeArrayIn);
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typedef void ExecutionSignature(_1, _2, _3);
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template <typename ScalarPortalType>
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VTKM_EXEC void operator()(const vtkm::Id& pointId,
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vtkm::Float32& radius,
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const ScalarPortalType& scalars) const
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{
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vtkm::Float32 scalar = static_cast<vtkm::Float32>(scalars.Get(pointId));
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vtkm::Float32 t = (scalar - MinValue) * InverseDelta;
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radius = MinRadius + t * RadiusDelta;
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}
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}; //class FieldRadius
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} //namespace detail
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void QuadExtractor::ExtractCells(const vtkm::cont::DynamicCellSet& cells)
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{
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vtkm::Id numOfQuads;
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vtkm::rendering::Quadralizer quadrizer;
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quadrizer.Run(cells, this->QuadIds, numOfQuads);
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//this->SetPointIdsFromCells(cells);
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}
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void QuadExtractor::SetQuadIdsFromCells(const vtkm::cont::DynamicCellSet& cells)
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{
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vtkm::Id numCells = cells.GetNumberOfCells();
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if (numCells == 0)
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{
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return;
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}
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//
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// look for points in the cell set
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//
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if (cells.IsSameType(vtkm::cont::CellSetExplicit<>()))
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{
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auto cellsExplicit = cells.Cast<vtkm::cont::CellSetExplicit<>>();
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vtkm::cont::ArrayHandle<vtkm::Id> points;
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vtkm::worklet::DispatcherMapTopology<detail::CountQuads>(detail::CountQuads())
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.Invoke(cellsExplicit, points);
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vtkm::Id total = 0;
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total = vtkm::cont::Algorithm::Reduce(points, vtkm::Id(0));
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vtkm::cont::ArrayHandle<vtkm::Id> cellOffsets;
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vtkm::cont::Algorithm::ScanExclusive(points, cellOffsets);
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QuadIds.Allocate(total);
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vtkm::worklet::DispatcherMapTopology<detail::Pointify>(detail::Pointify())
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.Invoke(cellsExplicit, cellOffsets, this->QuadIds);
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}
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}
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vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Id, 5>> QuadExtractor::GetQuadIds()
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{
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return this->QuadIds;
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}
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vtkm::Id QuadExtractor::GetNumberOfQuads() const
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{
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return this->QuadIds.GetNumberOfValues();
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}
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}
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}
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} //namespace vtkm::rendering::raytracing
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