mirror of
https://gitlab.kitware.com/vtk/vtk-m
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61 lines
2.1 KiB
C++
61 lines
2.1 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 vtkm_m_filter_CellSetConnectivity_h
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#define vtkm_m_filter_CellSetConnectivity_h
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#include <vtkm/filter/FilterDataSet.h>
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namespace vtkm
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{
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namespace filter
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{
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/// \brief Finds groups of cells that are connected together through their topology.
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///
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/// Finds and labels groups of cells that are connected together through their topology.
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/// Two cells are considered connected if they share an edge. CellSetConnectivity identifies some
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/// number of components and assigns each component a unique integer.
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/// The result of the filter is a cell field of type vtkm::Id with the default name of 'component'.
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/// Each entry in the cell field will be a number that identifies to which component the cell belongs.
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class CellSetConnectivity : public vtkm::filter::FilterDataSet<CellSetConnectivity>
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{
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public:
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using SupportedTypes = vtkm::TypeListTagScalarAll;
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VTKM_CONT CellSetConnectivity();
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void SetOutputFieldName(const std::string& name) { this->OutputFieldName = name; }
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VTKM_CONT
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const std::string& GetOutputFieldName() const { return this->OutputFieldName; }
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template <typename Policy>
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VTKM_CONT vtkm::cont::DataSet DoExecute(const vtkm::cont::DataSet& input,
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vtkm::filter::PolicyBase<Policy> policy);
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template <typename Policy>
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VTKM_CONT bool MapFieldOntoOutput(vtkm::cont::DataSet& result,
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const vtkm::cont::Field& field,
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const vtkm::filter::PolicyBase<Policy>&)
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{
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result.AddField(field);
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return true;
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}
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private:
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std::string OutputFieldName;
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};
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}
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}
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#include <vtkm/filter/CellSetConnectivity.hxx>
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#endif //vtkm_m_filter_CellSetConnectivity_h
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