vtk-m/vtkm/filter/CellMeasures.hxx
2019-04-17 10:57:13 -06:00

59 lines
2.1 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.
//============================================================================
#include <vtkm/cont/DynamicCellSet.h>
#include <vtkm/cont/ErrorFilterExecution.h>
#include <vtkm/filter/internal/CreateResult.h>
#include <vtkm/worklet/DispatcherMapTopology.h>
namespace vtkm
{
namespace filter
{
//-----------------------------------------------------------------------------
template <typename IntegrationType>
inline VTKM_CONT CellMeasures<IntegrationType>::CellMeasures()
: vtkm::filter::FilterCell<CellMeasures<IntegrationType>>()
{
this->SetUseCoordinateSystemAsField(true);
}
//-----------------------------------------------------------------------------
template <typename IntegrationType>
template <typename T, typename StorageType, typename DerivedPolicy>
inline VTKM_CONT vtkm::cont::DataSet CellMeasures<IntegrationType>::DoExecute(
const vtkm::cont::DataSet& input,
const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>& points,
const vtkm::filter::FieldMetadata& fieldMeta,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy)
{
VTKM_ASSERT(fieldMeta.IsPointField());
const auto& cellset = input.GetCellSet(this->GetActiveCellSetIndex());
vtkm::cont::ArrayHandle<T> outArray;
vtkm::worklet::DispatcherMapTopology<vtkm::worklet::CellMeasure<IntegrationType>> dispatcher;
dispatcher.Invoke(vtkm::filter::ApplyPolicy(cellset, policy), points, outArray);
vtkm::cont::DataSet result;
std::string outputName = this->GetCellMeasureName();
if (outputName.empty())
{
// Default name is name of input.
outputName = "measure";
}
result =
internal::CreateResult(input, outArray, outputName, vtkm::cont::Field::Association::CELL_SET);
return result;
}
}
} // namespace vtkm::filter