mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
101 lines
3.1 KiB
C++
101 lines
3.1 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.
|
|
//============================================================================
|
|
|
|
namespace
|
|
{
|
|
|
|
// Needed to CompactPoints
|
|
template <typename BasePolicy>
|
|
struct CellSetSingleTypePolicy : public BasePolicy
|
|
{
|
|
using AllCellSetList = vtkm::cont::CellSetListTagUnstructured;
|
|
};
|
|
|
|
template <typename DerivedPolicy>
|
|
inline vtkm::filter::PolicyBase<CellSetSingleTypePolicy<DerivedPolicy>> GetCellSetSingleTypePolicy(
|
|
const vtkm::filter::PolicyBase<DerivedPolicy>&)
|
|
{
|
|
return vtkm::filter::PolicyBase<CellSetSingleTypePolicy<DerivedPolicy>>();
|
|
}
|
|
}
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace filter
|
|
{
|
|
|
|
//-----------------------------------------------------------------------------
|
|
inline VTKM_CONT MaskPoints::MaskPoints()
|
|
: vtkm::filter::FilterDataSet<MaskPoints>()
|
|
, Stride(1)
|
|
, CompactPoints(true)
|
|
{
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <typename DerivedPolicy>
|
|
inline VTKM_CONT vtkm::cont::DataSet MaskPoints::DoExecute(
|
|
const vtkm::cont::DataSet& input,
|
|
vtkm::filter::PolicyBase<DerivedPolicy> policy)
|
|
{
|
|
// extract the input cell set
|
|
const vtkm::cont::DynamicCellSet& cells = input.GetCellSet(this->GetActiveCellSetIndex());
|
|
|
|
// run the worklet on the cell set and input field
|
|
vtkm::cont::CellSetSingleType<> outCellSet;
|
|
vtkm::worklet::MaskPoints worklet;
|
|
|
|
outCellSet = worklet.Run(vtkm::filter::ApplyPolicy(cells, policy), this->Stride);
|
|
|
|
// create the output dataset
|
|
vtkm::cont::DataSet output;
|
|
output.AddCellSet(outCellSet);
|
|
output.AddCoordinateSystem(input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex()));
|
|
|
|
// compact the unused points in the output dataset
|
|
if (this->CompactPoints)
|
|
{
|
|
this->Compactor.SetCompactPointFields(true);
|
|
this->Compactor.SetMergePoints(false);
|
|
return this->Compactor.DoExecute(output, GetCellSetSingleTypePolicy(policy));
|
|
}
|
|
else
|
|
{
|
|
return output;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <typename T, typename StorageType, typename DerivedPolicy>
|
|
inline VTKM_CONT bool MaskPoints::DoMapField(vtkm::cont::DataSet& result,
|
|
const vtkm::cont::ArrayHandle<T, StorageType>& input,
|
|
const vtkm::filter::FieldMetadata& fieldMeta,
|
|
vtkm::filter::PolicyBase<DerivedPolicy> policy)
|
|
{
|
|
// point data is copied as is because it was not collapsed
|
|
if (fieldMeta.IsPointField())
|
|
{
|
|
if (this->CompactPoints)
|
|
{
|
|
return this->Compactor.DoMapField(result, input, fieldMeta, policy);
|
|
}
|
|
else
|
|
{
|
|
result.AddField(fieldMeta.AsField(input));
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// cell data does not apply
|
|
return false;
|
|
}
|
|
}
|
|
}
|