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In order to compile the contour filter more efficiently, we split the contour filter into two separate translation units, corresponding to the new filters ContourFlyingEdges and ContourMarchingCells. The API for Contour filter is left totally unchanged, and tries to use flying edges if the dataset is structured and uniform. All three contour filters inherit from the `AbstractContour` class, providing utility methods used in the implementations.
42 lines
1.5 KiB
C++
42 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_filter_contour_ContourFlyingEdges_h
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#define vtk_m_filter_contour_ContourFlyingEdges_h
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#include <vtkm/filter/contour/AbstractContour.h>
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#include <vtkm/filter/contour/vtkm_filter_contour_export.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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namespace contour
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{
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/// \brief generate isosurface(s) from a 3-dimensional structured mesh
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/// Takes as input a 3D structured mesh and generates on
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/// output one or more isosurfaces using the Flying Edges algorithm.
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/// Multiple contour values must be specified to generate the isosurfaces.
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///
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/// This implementation only accepts \c CellSetStructured<3> inputs using
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/// \c ArrayHandleUniformPointCoordinates for point coordinates,
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/// and is only used as part of the more general \c Contour filter
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class VTKM_FILTER_CONTOUR_EXPORT ContourFlyingEdges : public vtkm::filter::contour::AbstractContour
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{
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protected:
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VTKM_CONT vtkm::cont::DataSet DoExecute(const vtkm::cont::DataSet& result) override;
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};
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} // namespace contour
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} // namespace filter
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} // namespace vtkm
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#endif // vtk_m_filter_contour_ContourFlyingEdges_h
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