vtkIncrementalForceLayout.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkIncrementalForceLayout_h
#define vtkIncrementalForceLayout_h
 
#include "vtkInfovisLayoutModule.h" // For export macro
#include "vtkObject.h"
 
#include "vtkVector.h" // For vector ivars
 
VTK_ABI_NAMESPACE_BEGIN
class vtkGraph;
 
class VTKINFOVISLAYOUT_EXPORT vtkIncrementalForceLayout : public vtkObject
{
public:
  vtkTypeMacro(vtkIncrementalForceLayout, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkIncrementalForceLayout* New();
 
 
  virtual void SetGraph(vtkGraph* g);
  vtkGetObjectMacro(Graph, vtkGraph);
 
 
  virtual void SetFixed(vtkIdType fixed);
  vtkGetMacro(Fixed, vtkIdType);
 
 
  vtkSetMacro(Alpha, float);
  vtkGetMacro(Alpha, float);
 
 
  vtkSetMacro(Theta, float);
  vtkGetMacro(Theta, float);
 
 
  vtkSetMacro(Charge, float);
  vtkGetMacro(Charge, float);
 
 
  vtkSetMacro(Strength, float);
  vtkGetMacro(Strength, float);
 
 
  vtkSetMacro(Distance, float);
  vtkGetMacro(Distance, float);
 
 
  vtkSetMacro(Gravity, float);
  vtkGetMacro(Gravity, float);
 
 
  vtkSetMacro(Friction, float);
  vtkGetMacro(Friction, float);
 
  virtual void SetGravityPoint(const vtkVector2f& point) { this->GravityPoint = point; }
  virtual vtkVector2f GetGravityPoint() { return this->GravityPoint; }
 
  void UpdatePositions();
 
protected:
  vtkIncrementalForceLayout();
  ~vtkIncrementalForceLayout() override;
 
  vtkGraph* Graph;
  class Implementation;
  Implementation* Impl;
  vtkIdType Fixed;
  vtkVector2f GravityPoint;
  float Alpha;
  float Theta;
  float Charge;
  float Strength;
  float Distance;
  float Gravity;
  float Friction;
 
private:
  vtkIncrementalForceLayout(const vtkIncrementalForceLayout&) = delete;
  void operator=(const vtkIncrementalForceLayout&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif