vtk-m2/vtkm/filter/ExternalFaces.h
Thomas J. Otahal 347af49722 Poly Data for External Faces
The external faces filter and worklet now pass input
PolyData (0D, 1D, and 2D) cells to the output. The external
faces filter has a flag to control this output (PassPolyData).
Added tests to the external faces filter and worklet.
2017-08-03 09:19:22 -06:00

93 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.
//
// Copyright 2014 Sandia Corporation.
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#ifndef vtk_m_filter_ExternalFaces_h
#define vtk_m_filter_ExternalFaces_h
#include <vtkm/filter/CleanGrid.h>
#include <vtkm/filter/FilterDataSet.h>
#include <vtkm/worklet/ExternalFaces.h>
namespace vtkm
{
namespace filter
{
/// \brief Extract external faces of a geometry
///
/// ExternalFaces is a filter that extracts all external faces from a
/// data set. An external face is defined is defined as a face/side of a cell
/// that belongs only to one cell in the entire mesh.
/// @warning
/// This filter is currently only supports propagation of point properties
///
class ExternalFaces : public vtkm::filter::FilterDataSet<ExternalFaces>
{
public:
VTKM_CONT
ExternalFaces();
// When CompactPoints is set, instead of copying the points and point fields
// from the input, the filter will create new compact fields without the
// unused elements
VTKM_CONT
bool GetCompactPoints() const { return this->CompactPoints; }
VTKM_CONT
void SetCompactPoints(bool value) { this->CompactPoints = value; }
// When PassPolyData is set (the default), incoming poly data (0D, 1D, and 2D cells)
// will be passed to the output external faces data set.
VTKM_CONT
bool GetPassPolyData() const { return this->PassPolyData; }
VTKM_CONT
void SetPassPolyData(bool value)
{
this->PassPolyData = value;
this->Worklet.SetPassPolyData(value);
}
template <typename DerivedPolicy, typename DeviceAdapter>
VTKM_CONT vtkm::filter::ResultDataSet DoExecute(
const vtkm::cont::DataSet& input,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
const DeviceAdapter& tag);
//Map a new field onto the resulting dataset after running the filter
//this call is only valid
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
VTKM_CONT bool DoMapField(vtkm::filter::ResultDataSet& result,
const vtkm::cont::ArrayHandle<T, StorageType>& input,
const vtkm::filter::FieldMetadata& fieldMeta,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
const DeviceAdapter& tag);
public:
bool CompactPoints;
bool PassPolyData;
vtkm::filter::CleanGrid Compactor;
vtkm::worklet::ExternalFaces Worklet;
};
}
} // namespace vtkm::filter
#include <vtkm/filter/ExternalFaces.hxx>
#endif // vtk_m_filter_ExternalFaces_h