713cf4228a
The CellSetExplicit and CellSetSingleType classes have an ivar that marks the number of points. There were several instances of code creating cell sets without specifying the number of points. This can be very bad if subsequent code needs that information.
141 lines
4.7 KiB
C++
141 lines
4.7 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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// 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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// Copyright 2016 Sandia Corporation.
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_worklet_CellDeepCopy_h
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#define vtk_m_worklet_CellDeepCopy_h
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#include <vtkm/cont/ArrayHandleConstant.h>
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#include <vtkm/cont/ArrayHandleGroupVecVariable.h>
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#include <vtkm/cont/CellSetExplicit.h>
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#include <vtkm/cont/DynamicCellSet.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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#include <vtkm/worklet/WorkletMapTopology.h>
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namespace vtkm {
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namespace worklet {
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/// Container for worklets and helper methods to copy a cell set to a new
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/// \c CellSetExplicit structure
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///
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struct CellDeepCopy
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{
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struct CountCellPoints : vtkm::worklet::WorkletMapPointToCell
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{
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typedef void ControlSignature(CellSetIn inputTopology,
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FieldOut<> numPointsInCell);
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typedef _2 ExecutionSignature(PointCount);
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VTKM_EXEC
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vtkm::IdComponent operator()(vtkm::IdComponent numPoints) const
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{
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return numPoints;
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}
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};
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struct PassCellStructure : vtkm::worklet::WorkletMapPointToCell
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{
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typedef void ControlSignature(CellSetIn inputTopology,
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FieldOut<> shapes,
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FieldOut<> pointIndices);
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typedef void ExecutionSignature(CellShape, PointIndices, _2, _3);
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template<typename CellShape,
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typename InPointIndexType,
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typename OutPointIndexType>
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VTKM_EXEC
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void operator()(const CellShape &inShape,
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const InPointIndexType &inPoints,
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vtkm::UInt8 &outShape,
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OutPointIndexType &outPoints) const
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{
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outShape = inShape.Id;
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vtkm::IdComponent numPoints = inPoints.GetNumberOfComponents();
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VTKM_ASSERT(numPoints == outPoints.GetNumberOfComponents());
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for (vtkm::IdComponent pointIndex = 0; pointIndex<numPoints; pointIndex++)
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{
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outPoints[pointIndex] = inPoints[pointIndex];
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}
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}
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};
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template<typename InCellSetType,
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typename ShapeStorage,
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typename NumIndicesStorage,
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typename ConnectivityStorage,
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typename OffsetsStorage,
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typename Device>
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VTKM_CONT
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static void
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Run(const InCellSetType &inCellSet,
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vtkm::cont::CellSetExplicit<ShapeStorage,NumIndicesStorage,ConnectivityStorage,OffsetsStorage> &outCellSet,
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Device)
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{
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VTKM_IS_DYNAMIC_OR_STATIC_CELL_SET(InCellSetType);
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vtkm::cont::ArrayHandle<vtkm::IdComponent,NumIndicesStorage> numIndices;
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vtkm::worklet::DispatcherMapTopology<CountCellPoints,Device> countDispatcher;
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countDispatcher.Invoke(inCellSet, numIndices);
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vtkm::cont::ArrayHandle<vtkm::UInt8,ShapeStorage> shapes;
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vtkm::cont::ArrayHandle<vtkm::Id,ConnectivityStorage> connectivity;
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vtkm::cont::ArrayHandle<vtkm::Id,OffsetsStorage> offsets;
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vtkm::Id connectivitySize;
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vtkm::cont::ConvertNumComponentsToOffsets(
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numIndices, offsets, connectivitySize);
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connectivity.Allocate(connectivitySize);
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vtkm::worklet::DispatcherMapTopology<PassCellStructure,Device> passDispatcher;
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passDispatcher.Invoke(
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inCellSet,
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shapes,
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vtkm::cont::make_ArrayHandleGroupVecVariable(connectivity, offsets));
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vtkm::cont::CellSetExplicit<ShapeStorage,NumIndicesStorage,ConnectivityStorage,OffsetsStorage>
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newCellSet(inCellSet.GetName());
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newCellSet.Fill(inCellSet.GetNumberOfPoints(),
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shapes,
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numIndices,
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connectivity,
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offsets);
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outCellSet = newCellSet;
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}
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template<typename InCellSetType, typename Device>
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VTKM_CONT
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static vtkm::cont::CellSetExplicit<>
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Run(const InCellSetType &inCellSet, Device)
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{
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VTKM_IS_DYNAMIC_OR_STATIC_CELL_SET(InCellSetType);
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vtkm::cont::CellSetExplicit<> outCellSet;
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Run(inCellSet, outCellSet, Device());
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return outCellSet;
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}
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};
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}
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} // namespace vtkm::worklet
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#endif //vtk_m_worklet_CellDeepCopy_h
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