97 lines
3.3 KiB
C++
97 lines
3.3 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 Sandia Corporation.
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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-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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namespace vtkm {
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namespace filter {
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//-----------------------------------------------------------------------------
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inline VTKM_CONT
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Triangulate::Triangulate():
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vtkm::filter::FilterDataSet<Triangulate>()
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{
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}
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//-----------------------------------------------------------------------------
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template<typename DerivedPolicy,
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typename DeviceAdapter>
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inline VTKM_CONT
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vtkm::filter::ResultDataSet Triangulate::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
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const DeviceAdapter& device)
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{
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typedef vtkm::cont::CellSetStructured<2> CellSetStructuredType;
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typedef vtkm::cont::CellSetExplicit<> CellSetExplicitType;
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const vtkm::cont::DynamicCellSet& cells =
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input.GetCellSet(this->GetActiveCellSetIndex());
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vtkm::cont::CellSetSingleType<> outCellSet;
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vtkm::worklet::Triangulate<DeviceAdapter> worklet;
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if (cells.IsType<CellSetStructuredType>())
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{
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outCellSet = worklet.Run(cells.Cast<CellSetStructuredType>());
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}
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else
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{
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outCellSet = worklet.Run(cells.Cast<CellSetExplicitType>());
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}
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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 vtkm::filter::ResultDataSet(output);
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}
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//-----------------------------------------------------------------------------
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template<typename T,
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typename StorageType,
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typename DerivedPolicy,
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typename DeviceAdapter>
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inline VTKM_CONT
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bool Triangulate::DoMapField(
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vtkm::filter::ResultDataSet& 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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const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
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const DeviceAdapter&)
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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.GetDataSet().AddField(fieldMeta.AsField(input));
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return true;
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}
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// cell data for structured will be ScatterIndex(2) because every cell became two
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if(fieldMeta.IsCellField())
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{
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result.GetDataSet().AddField(fieldMeta.AsField(input));
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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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