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vtkGraphToPolyData.h
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vtkGraphToPolyData.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkGraphToPolyData.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
/**
* @class vtkGraphToPolyData
* @brief convert a vtkGraph to vtkPolyData
*
*
* Converts a vtkGraph to a vtkPolyData. This assumes that the points
* of the graph have already been filled (perhaps by vtkGraphLayout),
* and coverts all the edge of the graph into lines in the polydata.
* The vertex data is passed along to the point data, and the edge data
* is passed along to the cell data.
*
* Only the owned graph edges (i.e. edges with ghost level 0) are copied
* into the vtkPolyData.
*/
#ifndef vtkGraphToPolyData_h
#define vtkGraphToPolyData_h
#include "vtkFiltersSourcesModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
class VTKFILTERSSOURCES_EXPORT vtkGraphToPolyData : public vtkPolyDataAlgorithm
{
public:
static vtkGraphToPolyData *New();
vtkTypeMacro(vtkGraphToPolyData,vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* Create a second output containing points and orientation vectors
* for drawing arrows or other glyphs on edges. This output should be
* set as the first input to vtkGlyph3D to place glyphs on the edges.
* vtkGlyphSource2D's VTK_EDGEARROW_GLYPH provides a good glyph for
* drawing arrows.
* Default value is off.
*/
vtkSetMacro(EdgeGlyphOutput, bool);
vtkGetMacro(EdgeGlyphOutput, bool);
vtkBooleanMacro(EdgeGlyphOutput, bool);
//@}
//@{
/**
* The position of the glyph point along the edge.
* 0 puts a glyph point at the source of each edge.
* 1 puts a glyph point at the target of each edge.
* An intermediate value will place the glyph point between the source and target.
* The default value is 1.
*/
vtkSetMacro(EdgeGlyphPosition, double);
vtkGetMacro(EdgeGlyphPosition, double);
//@}
protected:
vtkGraphToPolyData();
~vtkGraphToPolyData() override {}
bool EdgeGlyphOutput;
double EdgeGlyphPosition;
bool ArcEdges;
vtkIdType NumberOfArcSubdivisions;
/**
* Convert the vtkGraph into vtkPolyData.
*/
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
/**
* Set the input type of the algorithm to vtkGraph.
*/
int FillInputPortInformation(int port, vtkInformation* info) override;
private:
vtkGraphToPolyData(const vtkGraphToPolyData&) = delete;
void operator=(const vtkGraphToPolyData&) = delete;
};
#endif