mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
96 lines
2.7 KiB
C++
96 lines
2.7 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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//
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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/worklet/DispatcherMapField.h>
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namespace
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{
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class DeduceCellSet
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{
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mutable vtkm::worklet::Tetrahedralize Worklet;
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vtkm::cont::CellSetSingleType<>& OutCellSet;
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public:
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DeduceCellSet(vtkm::worklet::Tetrahedralize worklet, vtkm::cont::CellSetSingleType<>& outCellSet)
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: Worklet(worklet)
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, OutCellSet(outCellSet)
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{
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}
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template <typename CellSetType>
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void operator()(const CellSetType& cellset) const
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{
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this->OutCellSet = Worklet.Run(cellset);
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}
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};
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}
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namespace vtkm
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{
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namespace filter
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{
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//-----------------------------------------------------------------------------
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inline VTKM_CONT Tetrahedralize::Tetrahedralize()
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: vtkm::filter::FilterDataSet<Tetrahedralize>()
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, Worklet()
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{
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}
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//-----------------------------------------------------------------------------
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template <typename DerivedPolicy>
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inline VTKM_CONT vtkm::cont::DataSet Tetrahedralize::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy)
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{
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const vtkm::cont::DynamicCellSet& cells = input.GetCellSet(this->GetActiveCellSetIndex());
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vtkm::cont::CellSetSingleType<> outCellSet;
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DeduceCellSet tetrahedralize(this->Worklet, outCellSet);
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vtkm::cont::CastAndCall(vtkm::filter::ApplyPolicy(cells, policy), tetrahedralize);
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// create the output dataset
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vtkm::cont::DataSet output;
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output.AddCellSet(outCellSet);
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output.AddCoordinateSystem(input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex()));
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return output;
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}
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//-----------------------------------------------------------------------------
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template <typename T, typename StorageType, typename DerivedPolicy>
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inline VTKM_CONT bool Tetrahedralize::DoMapField(
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vtkm::cont::DataSet& result,
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const vtkm::cont::ArrayHandle<T, StorageType>& input,
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const vtkm::filter::FieldMetadata& fieldMeta,
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vtkm::filter::PolicyBase<DerivedPolicy>)
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{
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// point data is copied as is because it was not collapsed
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if (fieldMeta.IsPointField())
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{
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result.AddField(fieldMeta.AsField(input));
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return true;
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}
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// cell data must be scattered to the cells created per input cell
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if (fieldMeta.IsCellField())
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{
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vtkm::cont::ArrayHandle<T> output = this->Worklet.ProcessCellField(input);
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result.AddField(fieldMeta.AsField(output));
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return true;
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}
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return false;
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}
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}
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}
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