dox/Infovis/vtkTreeOrbitLayoutStrategy.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkTreeOrbitLayoutStrategy.h
  
=========================================================================*/
/*----------------------------------------------------------------------------
 Copyright (c) Sandia Corporation
 See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
#ifndef __vtkTreeOrbitLayoutStrategy_h
#define __vtkTreeOrbitLayoutStrategy_h

#include "vtkGraphLayoutStrategy.h"

class vtkPoints;
class vtkTree;


class VTK_INFOVIS_EXPORT vtkTreeOrbitLayoutStrategy : public vtkGraphLayoutStrategy 
{
public:
  static vtkTreeOrbitLayoutStrategy *New();

  vtkTypeMacro(vtkTreeOrbitLayoutStrategy, vtkGraphLayoutStrategy);
  void PrintSelf(ostream& os, vtkIndent indent);

  void Layout();


  vtkSetMacro(LogSpacingValue, double);
  vtkGetMacro(LogSpacingValue, double);


  vtkSetClampMacro(LeafSpacing, double, 0.0, 1.0);
  vtkGetMacro(LeafSpacing, double);
  

  vtkSetMacro(ChildRadiusFactor, double);
  vtkGetMacro(ChildRadiusFactor, double);

protected:
  vtkTreeOrbitLayoutStrategy();
  ~vtkTreeOrbitLayoutStrategy();
  
  void OrbitChildren(vtkTree *t, vtkPoints *p, vtkIdType parent, double radius);

  double LogSpacingValue;
  double LeafSpacing;
  double ChildRadiusFactor;

private:

  vtkTreeOrbitLayoutStrategy(const vtkTreeOrbitLayoutStrategy&);  // Not implemented.
  void operator=(const vtkTreeOrbitLayoutStrategy&);  // Not implemented.
};

#endif

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