60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
//=============================================================================
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//
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2018 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2018 UT-Battelle, LLC.
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// Copyright 2018 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//
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//=============================================================================
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#ifndef vtk_m_worklet_connectivity_CellSetConnectivity_h
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#define vtk_m_worklet_connectivity_CellSetConnectivity_h
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#include <vtkm/worklet/connectivities/CellSetDualGraph.h>
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#include <vtkm/worklet/connectivities/GraphConnectivity.h>
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namespace vtkm
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{
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namespace worklet
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{
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namespace connectivity
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{
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class CellSetConnectivity
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{
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public:
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template <typename CellSetType, typename DeviceAdapter>
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void Run(const CellSetType& cellSet,
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vtkm::cont::ArrayHandle<vtkm::Id>& componentArray,
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DeviceAdapter) const
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{
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vtkm::cont::ArrayHandle<vtkm::Id> numIndicesArray;
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vtkm::cont::ArrayHandle<vtkm::Id> indexOffsetArray;
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vtkm::cont::ArrayHandle<vtkm::Id> connectivityArray;
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// create cell to cell connectivity graph (dual graph)
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CellSetDualGraph<DeviceAdapter>().Run(
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cellSet, numIndicesArray, indexOffsetArray, connectivityArray);
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// find the connected component of the dual graph
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GraphConnectivity<DeviceAdapter>().Run(
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numIndicesArray, indexOffsetArray, connectivityArray, componentArray);
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}
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};
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}
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}
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} // vtkm::worklet::connectivity
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#endif // vtk_m_worklet_connectivity_CellSetConnectivity_h
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