mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
122 lines
3.7 KiB
C++
122 lines
3.7 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 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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#include <vtkm/worklet/DispatcherMapField.h>
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namespace
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{
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template<typename DeviceAdapter>
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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,
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vtkm::cont::CellSetSingleType<>& outCellSet) :
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Worklet(worklet),
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OutCellSet(outCellSet)
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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, DeviceAdapter());
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}
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};
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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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Worklet()
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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&)
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{
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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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DeduceCellSet<DeviceAdapter> triangulate(this->Worklet, outCellSet);
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vtkm::cont::CastAndCall(vtkm::filter::ApplyPolicy(cells, policy),
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triangulate);
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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>&,
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const DeviceAdapter& device)
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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 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, StorageType> output =
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this->Worklet.ProcessField(input, device);
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result.GetDataSet().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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