dox/Common/vtkBox.h

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

  Program:   Visualization Toolkit
  Module:    vtkBox.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 __vtkBox_h
#define __vtkBox_h

#include "vtkImplicitFunction.h"
class vtkBoundingBox;

class VTK_COMMON_EXPORT vtkBox : public vtkImplicitFunction
{
public:
  vtkTypeMacro(vtkBox,vtkImplicitFunction);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkBox *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]);


  void SetXMin(double p[3]);
  void SetXMin(double x, double y, double z);
  void GetXMin(double p[3]);
  void GetXMin(double &x, double &y, double &z);

  void SetXMax(double p[3]);
  void SetXMax(double x, double y, double z);
  void GetXMax(double p[3]);
  void GetXMax(double &x, double &y, double &z);

  void SetBounds(double xMin, double xMax,
                 double yMin, double yMax,
                 double zMin, double zMax);
  void SetBounds(double bounds[6]);
  void GetBounds(double &xMin, double &xMax,
                 double &yMin, double &yMax,
                 double &zMin, double &zMax);
  void GetBounds(double bounds[6]);
  double *GetBounds();

  void AddBounds(double bounds[6]);


  static char IntersectBox(double bounds[6], double origin[3], double dir[3], 
                           double coord[3], double& t);


  static int IntersectWithLine(const double bounds[6],
                               const double p1[3], const double p2[3],
                               double &t1, double &t2,
                               double x1[3], double x2[3],
                               int &plane1, int &plane2);

protected:
  vtkBox();
  ~vtkBox();

  vtkBoundingBox *BBox; 
  double Bounds[6]; //supports the GetBounds() method

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



inline void vtkBox::SetXMin(double p[3]) 
{
  this->SetXMin(p[0], p[1], p[2]);
}

inline void vtkBox::SetXMax(double p[3]) 
{
  this->SetXMax(p[0], p[1], p[2]);
}


#endif