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Rendering/vtkVolumeRayCastCompositeFunction.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVolumeRayCastCompositeFunction.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 =========================================================================*/
00048 #ifndef __vtkVolumeRayCastCompositeFunction_h
00049 #define __vtkVolumeRayCastCompositeFunction_h
00050 
00051 #include "vtkVolumeRayCastFunction.h"
00052 
00053 #define VTK_COMPOSITE_CLASSIFY_FIRST 0
00054 #define VTK_COMPOSITE_INTERPOLATE_FIRST 1
00055 
00056 class VTK_RENDERING_EXPORT vtkVolumeRayCastCompositeFunction : public vtkVolumeRayCastFunction
00057 {
00058 public:
00059   static vtkVolumeRayCastCompositeFunction *New();
00060   vtkTypeRevisionMacro(vtkVolumeRayCastCompositeFunction,vtkVolumeRayCastFunction);
00061   void PrintSelf( ostream& os, vtkIndent indent );
00062 
00064 
00065   vtkSetClampMacro( CompositeMethod, int,
00066         VTK_COMPOSITE_CLASSIFY_FIRST, VTK_COMPOSITE_INTERPOLATE_FIRST );
00067   vtkGetMacro(CompositeMethod,int);
00068   void SetCompositeMethodToInterpolateFirst()
00069     {this->SetCompositeMethod(VTK_COMPOSITE_INTERPOLATE_FIRST);}
00070   void SetCompositeMethodToClassifyFirst() 
00071     {this->SetCompositeMethod(VTK_COMPOSITE_CLASSIFY_FIRST);}
00072   const char *GetCompositeMethodAsString(void);
00074 
00075 //BTX
00076   void CastRay( vtkVolumeRayCastDynamicInfo *dynamicInfo,
00077                 vtkVolumeRayCastStaticInfo *staticInfo);
00078 
00079   float GetZeroOpacityThreshold( vtkVolume *vol );
00080 //ETX
00081 
00082 protected:
00083   vtkVolumeRayCastCompositeFunction();
00084   ~vtkVolumeRayCastCompositeFunction();
00085 
00086 //BTX
00087   void SpecificFunctionInitialize( vtkRenderer *ren,
00088                                    vtkVolume   *vol,
00089                                    vtkVolumeRayCastStaticInfo *staticInfo,
00090                                    vtkVolumeRayCastMapper *mapper );
00091 //ETX
00092   
00093   int           CompositeMethod;
00094 private:
00095   vtkVolumeRayCastCompositeFunction(const vtkVolumeRayCastCompositeFunction&);  // Not implemented.
00096   void operator=(const vtkVolumeRayCastCompositeFunction&);  // Not implemented.
00097 };
00098 
00099 
00100 #endif