vtkMRMLSIGNGradientOpacityTransferFunctionPointNode.h

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#ifndef _VTKMRMLSIGNGRADIENTOPACITYTRANSFERFUNCTIONPOINTNODE_H
#define _VTKMRMLSIGNGRADIENTOPACITYTRANSFERFUNCTIONPOINTNODE_H

#include <vtkMRMLNode.h>

#include <string>

class vtkMRMLSIGNGradientOpacityTransferFunctionPointNode : public vtkMRMLNode
{
public:
  static vtkMRMLSIGNGradientOpacityTransferFunctionPointNode *New();
  vtkTypeMacro(vtkMRMLSIGNGradientOpacityTransferFunctionPointNode,vtkMRMLNode);
  virtual vtkMRMLNode* CreateNodeInstance();

  virtual const char* GetNodeTagName() {return "SIGNGradientOpacityTransferFunctionPoint";};

  virtual void ReadXMLAttributes(const char** atts);
  virtual void WriteXML(std::ostream& of, int indent);
  void Copy(vtkMRMLNode *anode);

  double GetX();
  double GetY();
  double GetMidpoint();
  double GetSharpness();

  void SetX(double _x);
  void SetY(double _y);
  void SetMidpoint(double m);
  void SetSharpness(double s);

protected:
  vtkMRMLSIGNGradientOpacityTransferFunctionPointNode();
  ~vtkMRMLSIGNGradientOpacityTransferFunctionPointNode();

private:
  double x,y,midpoint,sharpness;
};

#endif

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