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76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkEdgeCenters.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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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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/**
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* @class vtkEdgeCenters
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* @brief generate points at center of edges
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*
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* vtkEdgeCenters is a filter that takes as input any graph and
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* generates on output points at the center of the cells in the dataset.
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* These points can be used for placing glyphs (vtkGlyph3D) or labeling
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* (vtkLabeledDataMapper). (The center is the parametric center of the
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* cell, not necessarily the geometric or bounding box center.) The edge
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* attributes will be associated with the points on output.
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*
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* @warning
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* You can choose to generate just points or points and vertex cells.
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* Vertex cells are drawn during rendering; points are not. Use the ivar
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* VertexCells to generate cells.
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*
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* @sa
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* vtkGlyph3D vtkLabeledDataMapper
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*/
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#ifndef vtkEdgeCenters_h
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#define vtkEdgeCenters_h
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#include "vtkInfovisCoreModule.h" // For export macro
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#include "vtkPolyDataAlgorithm.h"
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class VTKINFOVISCORE_EXPORT vtkEdgeCenters : public vtkPolyDataAlgorithm
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{
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public:
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vtkTypeMacro(vtkEdgeCenters, vtkPolyDataAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Construct object with vertex cell generation turned off.
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*/
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static vtkEdgeCenters* New();
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//@{
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/**
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* Enable/disable the generation of vertex cells.
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*/
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vtkSetMacro(VertexCells, vtkTypeBool);
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vtkGetMacro(VertexCells, vtkTypeBool);
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vtkBooleanMacro(VertexCells, vtkTypeBool);
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//@}
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protected:
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vtkEdgeCenters();
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~vtkEdgeCenters() override {}
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int FillInputPortInformation(int port, vtkInformation* info) override;
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vtkTypeBool VertexCells;
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private:
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vtkEdgeCenters(const vtkEdgeCenters&) = delete;
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void operator=(const vtkEdgeCenters&) = delete;
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};
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#endif
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