vtkVolumePicker.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkVolumePicker.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 vtkVolumePicker_h
#define vtkVolumePicker_h
 
#include "vtkRenderingVolumeModule.h" // For export macro
#include "vtkCellPicker.h"
 
class VTKRENDERINGVOLUME_EXPORT vtkVolumePicker : public vtkCellPicker
{
public:
  static vtkVolumePicker *New();
  vtkTypeMacro(vtkVolumePicker, vtkCellPicker);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  vtkSetMacro(PickCroppingPlanes, int);
  vtkBooleanMacro(PickCroppingPlanes, int);
  vtkGetMacro(PickCroppingPlanes, int);
 
 
  vtkGetMacro(CroppingPlaneId, int);
 
protected:
  vtkVolumePicker();
  ~vtkVolumePicker();
 
  virtual void ResetPickInfo();
 
  virtual double IntersectVolumeWithLine(const double p1[3],
                                         const double p2[3],
                                         double t1, double t2,
                                         vtkProp3D *prop,
                                         vtkAbstractVolumeMapper *mapper);
 
  static int ClipLineWithCroppingRegion(const double bounds[6],
                                        const int extent[6], int flags,
                                        const double x1[3], const double x2[3],
                                        double t1, double t2,
                                        int &extentPlaneId, int &numSegments,
                                        double *t1List, double *t2List,
                                        double *s1List, int *planeIdList);
 
  int PickCroppingPlanes;
  int CroppingPlaneId;
 
private:
  vtkVolumePicker(const vtkVolumePicker&);  // Not implemented.
  void operator=(const vtkVolumePicker&);  // Not implemented.
};
 
#endif