mirror of
https://gitlab.kitware.com/vtk/vtk-m
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74 lines
2.8 KiB
C++
74 lines
2.8 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_filter_SplitSharpEdges_h
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#define vtk_m_filter_SplitSharpEdges_h
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#include <vtkm/filter/FilterDataSetWithField.h>
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#include <vtkm/worklet/SplitSharpEdges.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 Split sharp manifold edges where the feature angle between the
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/// adjacent surfaces are larger than the threshold value
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///
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/// Split sharp manifold edges where the feature angle between the adjacent
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/// surfaces are larger than the threshold value. When an edge is split, it
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/// would add a new point to the coordinates and update the connectivity of
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/// an adjacent surface.
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/// Ex. there are two adjacent triangles(0,1,2) and (2,1,3). Edge (1,2) needs
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/// to be split. Two new points 4(duplication of point 1) an 5(duplication of point 2)
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/// would be added and the later triangle's connectivity would be changed
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/// to (5,4,3).
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/// By default, all old point's fields would be copied to the new point.
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/// Use with caution.
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class SplitSharpEdges : public vtkm::filter::FilterDataSetWithField<SplitSharpEdges>
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{
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public:
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// SplitSharpEdges filter needs cell normals to decide split.
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using SupportedTypes = vtkm::TypeListFieldVec3;
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VTKM_CONT
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SplitSharpEdges();
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VTKM_CONT
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void SetFeatureAngle(vtkm::FloatDefault value) { this->FeatureAngle = value; }
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VTKM_CONT
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vtkm::FloatDefault GetFeatureAngle() const { return this->FeatureAngle; }
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template <typename T, typename StorageType, typename DerivedPolicy>
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VTKM_CONT vtkm::cont::DataSet DoExecute(const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<T, StorageType>& field,
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const vtkm::filter::FieldMetadata& fieldMeta,
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vtkm::filter::PolicyBase<DerivedPolicy> policy);
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//Map a new field onto the resulting dataset after running the filter
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template <typename DerivedPolicy>
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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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vtkm::filter::PolicyBase<DerivedPolicy> policy);
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private:
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vtkm::FloatDefault FeatureAngle;
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vtkm::worklet::SplitSharpEdges Worklet;
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};
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}
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} // namespace vtkm::filter
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#ifndef vtk_m_filter_SplitSharpEdges_hxx
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#include <vtkm/filter/SplitSharpEdges.hxx>
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#endif
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#endif // vtk_m_filter_SplitSharpEdges_h
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