vtk-m/vtkm/filter/VertexClustering.hxx

76 lines
2.3 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_VertexClustering_hxx
#define vtk_m_filter_VertexClustering_hxx
namespace vtkm
{
namespace filter
{
//-----------------------------------------------------------------------------
inline VTKM_CONT VertexClustering::VertexClustering()
: vtkm::filter::FilterDataSet<VertexClustering>()
, NumberOfDivisions(256, 256, 256)
{
}
//-----------------------------------------------------------------------------
template <typename DerivedPolicy>
inline VTKM_CONT vtkm::cont::DataSet VertexClustering::DoExecute(
const vtkm::cont::DataSet& input,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy)
{
// todo this code needs to obey the policy for what storage types
// the output should use
//need to compute bounds first
vtkm::Bounds bounds = input.GetCoordinateSystem().GetBounds();
vtkm::cont::DataSet outDataSet =
this->Worklet.Run(vtkm::filter::ApplyPolicyCellSetUnstructured(input.GetCellSet(), policy),
input.GetCoordinateSystem(),
bounds,
this->GetNumberOfDivisions());
return outDataSet;
}
//-----------------------------------------------------------------------------
template <typename T, typename StorageType, typename DerivedPolicy>
inline VTKM_CONT bool VertexClustering::DoMapField(
vtkm::cont::DataSet& result,
const vtkm::cont::ArrayHandle<T, StorageType>& input,
const vtkm::filter::FieldMetadata& fieldMeta,
vtkm::filter::PolicyBase<DerivedPolicy>)
{
vtkm::cont::ArrayHandle<T> fieldArray;
if (fieldMeta.IsPointField())
{
fieldArray = this->Worklet.ProcessPointField(input);
}
else if (fieldMeta.IsCellField())
{
fieldArray = this->Worklet.ProcessCellField(input);
}
else
{
return false;
}
//use the same meta data as the input so we get the same field name, etc.
result.AddField(fieldMeta.AsField(fieldArray));
return true;
}
}
}
#endif