mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 11:05:44 +00:00
107 lines
3.5 KiB
C++
107 lines
3.5 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 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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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 vtkm_m_worklet_Triangulate_h
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#define vtkm_m_worklet_Triangulate_h
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#include <vtkm/worklet/triangulate/TriangulateExplicit.h>
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#include <vtkm/worklet/triangulate/TriangulateStructured.h>
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namespace vtkm
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{
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namespace worklet
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{
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class Triangulate
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{
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public:
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//
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// Distribute multiple copies of cell data depending on cells create from original
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//
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struct DistributeCellData : public vtkm::worklet::WorkletMapField
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{
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using ControlSignature = void(FieldIn<> inIndices, FieldOut<> outIndices);
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using ExecutionSignature = void(_1, _2);
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using ScatterType = vtkm::worklet::ScatterCounting;
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template <typename CountArrayType, typename DeviceAdapter>
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VTKM_CONT static ScatterType MakeScatter(const CountArrayType& countArray, DeviceAdapter device)
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{
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return ScatterType(countArray, device);
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}
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template <typename T>
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VTKM_EXEC void operator()(T inputIndex, T& outputIndex) const
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{
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outputIndex = inputIndex;
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}
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};
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Triangulate()
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: OutCellsPerCell()
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{
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}
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// Triangulate explicit data set, save number of triangulated cells per input
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template <typename CellSetType, typename DeviceAdapter>
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vtkm::cont::CellSetSingleType<> Run(const CellSetType& cellSet, const DeviceAdapter&)
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{
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TriangulateExplicit<DeviceAdapter> worklet;
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return worklet.Run(cellSet, this->OutCellsPerCell);
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}
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// Triangulate structured data set, save number of triangulated cells per input
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template <typename DeviceAdapter>
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vtkm::cont::CellSetSingleType<> Run(const vtkm::cont::CellSetStructured<2>& cellSet,
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const DeviceAdapter&)
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{
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TriangulateStructured<DeviceAdapter> worklet;
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return worklet.Run(cellSet, this->OutCellsPerCell);
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}
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template <typename DeviceAdapter>
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vtkm::cont::CellSetSingleType<> Run(const vtkm::cont::CellSetStructured<3>&, const DeviceAdapter&)
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{
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throw vtkm::cont::ErrorBadType("CellSetStructured<3> can't be triangulated");
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}
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// Using the saved input to output cells, expand cell data
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template <typename ValueType, typename StorageType, typename DeviceAdapter>
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vtkm::cont::ArrayHandle<ValueType> ProcessCellField(
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const vtkm::cont::ArrayHandle<ValueType, StorageType>& input,
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const DeviceAdapter& device) const
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{
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vtkm::cont::ArrayHandle<ValueType> output;
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vtkm::worklet::DispatcherMapField<DistributeCellData, DeviceAdapter> dispatcher(
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DistributeCellData::MakeScatter(this->OutCellsPerCell, device));
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dispatcher.Invoke(input, output);
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return output;
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}
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private:
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vtkm::cont::ArrayHandle<vtkm::IdComponent> OutCellsPerCell;
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};
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}
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} // namespace vtkm::worklet
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#endif // vtkm_m_worklet_Triangulate_h
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