vtkImplicitSelectionLoop.h

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

  Program:   Visualization Toolkit
  Module:    vtkImplicitSelectionLoop.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.

=========================================================================*/
#ifndef __vtkImplicitSelectionLoop_h
#define __vtkImplicitSelectionLoop_h

#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkImplicitFunction.h"

class vtkPoints;
class vtkPolygon;

class VTKCOMMONDATAMODEL_EXPORT vtkImplicitSelectionLoop : public vtkImplicitFunction
{
public:

  vtkTypeMacro(vtkImplicitSelectionLoop,vtkImplicitFunction);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkImplicitSelectionLoop *New();


  double EvaluateFunction(double x[3]);
  double EvaluateFunction(double x, double y, double z)
    {return this->vtkImplicitFunction::EvaluateFunction(x, y, z); } ;

  void EvaluateGradient(double x[3], double n[3]);


  virtual void SetLoop(vtkPoints*);
  vtkGetObjectMacro(Loop,vtkPoints);


  vtkSetMacro(AutomaticNormalGeneration,int);
  vtkGetMacro(AutomaticNormalGeneration,int);
  vtkBooleanMacro(AutomaticNormalGeneration,int);


  vtkSetVector3Macro(Normal,double);
  vtkGetVectorMacro(Normal,double,3);

  unsigned long GetMTime();

protected:
  vtkImplicitSelectionLoop();
  ~vtkImplicitSelectionLoop();

  vtkPoints *Loop;
  double Normal[3];
  int AutomaticNormalGeneration;

private:
  void Initialize();
  vtkPolygon *Polygon;

  double Origin[3];
  double Bounds[6]; //bounds of the projected polyon
  double DeltaX;
  double DeltaY;
  double DeltaZ;

  vtkTimeStamp InitializationTime;

private:
  vtkImplicitSelectionLoop(const vtkImplicitSelectionLoop&);  // Not implemented.
  void operator=(const vtkImplicitSelectionLoop&);  // Not implemented.
};

#endif