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Rendering/vtkVolumeRayCastMIPFunction.h

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 =========================================================================*/
00051 #ifndef __vtkVolumeRayCastMIPFunction_h
00052 #define __vtkVolumeRayCastMIPFunction_h
00053 
00054 #include "vtkVolumeRayCastFunction.h"
00055 
00056 #define VTK_MAXIMIZE_SCALAR_VALUE 0
00057 #define VTK_MAXIMIZE_OPACITY      1
00058 
00059 class VTK_RENDERING_EXPORT vtkVolumeRayCastMIPFunction : public vtkVolumeRayCastFunction
00060 {
00061 public:
00062   static vtkVolumeRayCastMIPFunction *New();
00063   vtkTypeRevisionMacro(vtkVolumeRayCastMIPFunction,vtkVolumeRayCastFunction);
00064   void PrintSelf( ostream& os, vtkIndent indent );
00065 
00066 
00068   float GetZeroOpacityThreshold( vtkVolume *vol );
00069 
00070 
00072 
00073   vtkSetClampMacro( MaximizeMethod, int,
00074         VTK_MAXIMIZE_SCALAR_VALUE, VTK_MAXIMIZE_OPACITY );
00075   vtkGetMacro(MaximizeMethod,int);
00076   void SetMaximizeMethodToScalarValue() 
00077     {this->SetMaximizeMethod(VTK_MAXIMIZE_SCALAR_VALUE);}
00078   void SetMaximizeMethodToOpacity() 
00079     {this->SetMaximizeMethod(VTK_MAXIMIZE_OPACITY);}
00080   const char *GetMaximizeMethodAsString(void);
00082 
00083 //BTX
00084   void CastRay( vtkVolumeRayCastDynamicInfo *dynamicInfo,
00085                 vtkVolumeRayCastStaticInfo *staticInfo );
00086 //ETX
00087 
00088 
00089 protected:
00090   vtkVolumeRayCastMIPFunction();
00091   ~vtkVolumeRayCastMIPFunction();
00092 
00093   int MaximizeMethod;
00094 
00095 //BTX
00096   void SpecificFunctionInitialize( vtkRenderer *ren,
00097                                    vtkVolume   *vol,
00098                                    vtkVolumeRayCastStaticInfo *staticInfo,
00099                                    vtkVolumeRayCastMapper *mapper );
00100 
00101 //ETX
00102 private:
00103   vtkVolumeRayCastMIPFunction(const vtkVolumeRayCastMIPFunction&);  // Not implemented.
00104   void operator=(const vtkVolumeRayCastMIPFunction&);  // Not implemented.
00105 };
00106 
00107 
00108 
00109 #endif