VTK: dox/Rendering/Volume/vtkVolumePicker.h Source File

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    vtkVolumePicker.h
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00038 #ifndef __vtkVolumePicker_h
00039 #define __vtkVolumePicker_h
00040 
00041 #include "vtkRenderingVolumeModule.h" // For export macro
00042 #include "vtkCellPicker.h"
00043 
00044 class VTKRENDERINGVOLUME_EXPORT vtkVolumePicker : public vtkCellPicker
00045 {
00046 public:
00047   static vtkVolumePicker *New();
00048   vtkTypeMacro(vtkVolumePicker, vtkCellPicker);
00049   void PrintSelf(ostream& os, vtkIndent indent);
00050 
00052 
00057   vtkSetMacro(PickCroppingPlanes, int);
00058   vtkBooleanMacro(PickCroppingPlanes, int);
00059   vtkGetMacro(PickCroppingPlanes, int);
00061 
00063 
00068   vtkGetMacro(CroppingPlaneId, int);
00070 
00071 protected:
00072   vtkVolumePicker();
00073   ~vtkVolumePicker();
00074 
00075   virtual void ResetPickInfo();
00076 
00077   virtual double IntersectVolumeWithLine(const double p1[3],
00078                                          const double p2[3],
00079                                          double t1, double t2,
00080                                          vtkProp3D *prop,
00081                                          vtkAbstractVolumeMapper *mapper);
00082 
00083   static int ClipLineWithCroppingRegion(const double bounds[6],
00084                                         const int extent[6], int flags,
00085                                         const double x1[3], const double x2[3],
00086                                         double t1, double t2,
00087                                         int &extentPlaneId, int &numSegments,
00088                                         double *t1List, double *t2List,
00089                                         double *s1List, int *planeIdList);
00090 
00091   int PickCroppingPlanes;
00092   int CroppingPlaneId;
00093 
00094 private:
00095   vtkVolumePicker(const vtkVolumePicker&);  // Not implemented.
00096   void operator=(const vtkVolumePicker&);  // Not implemented.
00097 };
00098 
00099 #endif
00100 
00101