mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
//============================================================================
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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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#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>
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void Run(const CellSetType& cellSet, vtkm::cont::ArrayHandle<vtkm::Id>& componentArray) const
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{
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vtkm::cont::ArrayHandle<vtkm::Id> numIndicesArray;
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vtkm::cont::ArrayHandle<vtkm::Id> indexOffsetsArray;
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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().Run(cellSet, numIndicesArray, indexOffsetsArray, connectivityArray);
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// find the connected component of the dual graph
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GraphConnectivity().Run(numIndicesArray, indexOffsetsArray, 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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