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Rendering/vtkVolumeRayCastMIPFunction.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVolumeRayCastMIPFunction.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00040 #ifndef __vtkVolumeRayCastMIPFunction_h
00041 #define __vtkVolumeRayCastMIPFunction_h
00042 
00043 #include "vtkVolumeRayCastFunction.h"
00044 
00045 #define VTK_MAXIMIZE_SCALAR_VALUE 0
00046 #define VTK_MAXIMIZE_OPACITY      1
00047 
00048 class VTK_RENDERING_EXPORT vtkVolumeRayCastMIPFunction : public vtkVolumeRayCastFunction
00049 {
00050 public:
00051   static vtkVolumeRayCastMIPFunction *New();
00052   vtkTypeRevisionMacro(vtkVolumeRayCastMIPFunction,vtkVolumeRayCastFunction);
00053   void PrintSelf( ostream& os, vtkIndent indent );
00054 
00055 
00057   float GetZeroOpacityThreshold( vtkVolume *vol );
00058 
00059 
00061 
00062   vtkSetClampMacro( MaximizeMethod, int,
00063         VTK_MAXIMIZE_SCALAR_VALUE, VTK_MAXIMIZE_OPACITY );
00064   vtkGetMacro(MaximizeMethod,int);
00065   void SetMaximizeMethodToScalarValue() 
00066     {this->SetMaximizeMethod(VTK_MAXIMIZE_SCALAR_VALUE);}
00067   void SetMaximizeMethodToOpacity() 
00068     {this->SetMaximizeMethod(VTK_MAXIMIZE_OPACITY);}
00069   const char *GetMaximizeMethodAsString(void);
00071 
00072 //BTX
00073   void CastRay( vtkVolumeRayCastDynamicInfo *dynamicInfo,
00074                 vtkVolumeRayCastStaticInfo *staticInfo );
00075 //ETX
00076 
00077 
00078 protected:
00079   vtkVolumeRayCastMIPFunction();
00080   ~vtkVolumeRayCastMIPFunction();
00081 
00082   int MaximizeMethod;
00083 
00084 //BTX
00085   void SpecificFunctionInitialize( vtkRenderer *ren,
00086                                    vtkVolume   *vol,
00087                                    vtkVolumeRayCastStaticInfo *staticInfo,
00088                                    vtkVolumeRayCastMapper *mapper );
00089 
00090 //ETX
00091 private:
00092   vtkVolumeRayCastMIPFunction(const vtkVolumeRayCastMIPFunction&);  // Not implemented.
00093   void operator=(const vtkVolumeRayCastMIPFunction&);  // Not implemented.
00094 };
00095 
00096 
00097 
00098 #endif