mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
111 lines
3.2 KiB
C++
111 lines
3.2 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_Triangulate_hxx
|
|
#define vtk_m_filter_Triangulate_hxx
|
|
|
|
namespace
|
|
{
|
|
|
|
class DeduceCellSet
|
|
{
|
|
mutable vtkm::worklet::Triangulate Worklet;
|
|
vtkm::cont::CellSetSingleType<>& OutCellSet;
|
|
|
|
public:
|
|
DeduceCellSet(vtkm::worklet::Triangulate worklet, vtkm::cont::CellSetSingleType<>& outCellSet)
|
|
: Worklet(worklet)
|
|
, OutCellSet(outCellSet)
|
|
{
|
|
}
|
|
|
|
template <typename CellSetType>
|
|
void operator()(const CellSetType& vtkmNotUsed(cellset)) const
|
|
{
|
|
}
|
|
};
|
|
template <>
|
|
void DeduceCellSet::operator()(const vtkm::cont::CellSetExplicit<>& cellset) const
|
|
{
|
|
this->OutCellSet = Worklet.Run(cellset);
|
|
}
|
|
template <>
|
|
void DeduceCellSet::operator()(const vtkm::cont::CellSetStructured<2>& cellset) const
|
|
{
|
|
this->OutCellSet = Worklet.Run(cellset);
|
|
}
|
|
template <>
|
|
void DeduceCellSet::operator()(const vtkm::cont::CellSetStructured<3>& cellset) const
|
|
{
|
|
this->OutCellSet = Worklet.Run(cellset);
|
|
}
|
|
}
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace filter
|
|
{
|
|
|
|
//-----------------------------------------------------------------------------
|
|
inline VTKM_CONT Triangulate::Triangulate()
|
|
: vtkm::filter::FilterDataSet<Triangulate>()
|
|
, Worklet()
|
|
{
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <typename DerivedPolicy>
|
|
inline VTKM_CONT vtkm::cont::DataSet Triangulate::DoExecute(
|
|
const vtkm::cont::DataSet& input,
|
|
vtkm::filter::PolicyBase<DerivedPolicy> policy)
|
|
{
|
|
const vtkm::cont::DynamicCellSet& cells = input.GetCellSet();
|
|
|
|
vtkm::cont::CellSetSingleType<> outCellSet;
|
|
DeduceCellSet triangulate(this->Worklet, outCellSet);
|
|
|
|
vtkm::cont::CastAndCall(vtkm::filter::ApplyPolicyCellSet(cells, policy), triangulate);
|
|
|
|
// 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 Triangulate::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
|