2017-03-23 17:58:00 +00:00
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//============================================================================
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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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2019-04-15 23:24:21 +00:00
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//
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2017-03-23 17:58:00 +00:00
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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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2019-10-07 19:39:02 +00:00
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#ifndef vtk_m_filter_Triangulate_hxx
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#define vtk_m_filter_Triangulate_hxx
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2017-03-23 23:14:39 +00:00
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2017-03-27 22:09:18 +00:00
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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::Triangulate Worklet;
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vtkm::cont::CellSetSingleType<>& OutCellSet;
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public:
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DeduceCellSet(vtkm::worklet::Triangulate 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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2017-05-18 14:29:41 +00:00
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template <typename CellSetType>
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void operator()(const CellSetType& vtkmNotUsed(cellset)) const
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{
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}
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};
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template <>
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void DeduceCellSet::operator()(const vtkm::cont::CellSetExplicit<>& cellset) const
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{
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this->OutCellSet = Worklet.Run(cellset);
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}
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template <>
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2019-06-22 01:48:26 +00:00
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void DeduceCellSet::operator()(const vtkm::cont::CellSetStructured<2>& cellset) const
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{
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this->OutCellSet = Worklet.Run(cellset);
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}
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template <>
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void DeduceCellSet::operator()(const vtkm::cont::CellSetStructured<3>& 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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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 Triangulate::Triangulate()
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: vtkm::filter::FilterDataSet<Triangulate>()
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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 Triangulate::DoExecute(
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const vtkm::cont::DataSet& input,
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vtkm::filter::PolicyBase<DerivedPolicy> policy)
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{
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const vtkm::cont::DynamicCellSet& cells = input.GetCellSet();
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vtkm::cont::CellSetSingleType<> outCellSet;
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DeduceCellSet triangulate(this->Worklet, outCellSet);
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2019-09-09 22:08:11 +00:00
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vtkm::cont::CastAndCall(vtkm::filter::ApplyPolicyCellSet(cells, policy), triangulate);
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// create the output dataset
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vtkm::cont::DataSet output;
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output.SetCellSet(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 Triangulate::DoMapField(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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2017-03-23 17:58:00 +00:00
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return false;
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}
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}
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}
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2019-10-07 19:39:02 +00:00
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#endif
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