vtk-m/vtkm/filter/Tetrahedralize.hxx

88 lines
2.6 KiB
C++

//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
//
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//============================================================================
#ifndef vtk_m_filter_Tetrahedralize_hxx
#define vtk_m_filter_Tetrahedralize_hxx
namespace
{
struct DeduceCellSet
{
template <typename CellSetType>
void operator()(const CellSetType& cellset,
vtkm::worklet::Tetrahedralize& worklet,
vtkm::cont::CellSetSingleType<>& outCellSet) const
{
outCellSet = worklet.Run(cellset);
}
};
}
namespace vtkm
{
namespace filter
{
//-----------------------------------------------------------------------------
inline VTKM_CONT Tetrahedralize::Tetrahedralize()
: vtkm::filter::FilterDataSet<Tetrahedralize>()
, Worklet()
{
}
//-----------------------------------------------------------------------------
template <typename DerivedPolicy>
inline VTKM_CONT vtkm::cont::DataSet Tetrahedralize::DoExecute(
const vtkm::cont::DataSet& input,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy)
{
const vtkm::cont::DynamicCellSet& cells = input.GetCellSet();
vtkm::cont::CellSetSingleType<> outCellSet;
vtkm::cont::CastAndCall(
vtkm::filter::ApplyPolicyCellSet(cells, policy), DeduceCellSet{}, this->Worklet, outCellSet);
// create the output dataset
vtkm::cont::DataSet output;
output.SetCellSet(outCellSet);
output.AddCoordinateSystem(input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex()));
return output;
}
//-----------------------------------------------------------------------------
template <typename T, typename StorageType, typename DerivedPolicy>
inline VTKM_CONT bool Tetrahedralize::DoMapField(
vtkm::cont::DataSet& result,
const vtkm::cont::ArrayHandle<T, StorageType>& input,
const vtkm::filter::FieldMetadata& fieldMeta,
vtkm::filter::PolicyBase<DerivedPolicy>)
{
// point data is copied as is because it was not collapsed
if (fieldMeta.IsPointField())
{
result.AddField(fieldMeta.AsField(input));
return true;
}
// cell data must be scattered to the cells created per input cell
if (fieldMeta.IsCellField())
{
vtkm::cont::ArrayHandle<T> output = this->Worklet.ProcessCellField(input);
result.AddField(fieldMeta.AsField(output));
return true;
}
return false;
}
}
}
#endif