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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkVolumeRayCastCompositeFunction.h,v $
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.
=========================================================================*/
// .NAME vtkVolumeRayCastCompositeFunction - a ray function for compositing
// .SECTION Description
// vtkVolumeRayCastCompositeFunction is a ray function that can be used
// within a vtkVolumeRayCastMapper. This function performs compositing along
// the ray according to the properties stored in the vtkVolumeProperty for
// the volume.
// .SECTION See Also
// vtkVolumeRayCastMapper vtkVolumeProperty vtkVolume
#ifndef __vtkVolumeRayCastCompositeFunction_h
#define __vtkVolumeRayCastCompositeFunction_h
#include "vtkVolumeRayCastFunction.h"
#define VTK_COMPOSITE_CLASSIFY_FIRST 0
#define VTK_COMPOSITE_INTERPOLATE_FIRST 1
class VTK_VOLUMERENDERING_EXPORT vtkVolumeRayCastCompositeFunction : public vtkVolumeRayCastFunction
{
public:
static vtkVolumeRayCastCompositeFunction *New();
vtkTypeRevisionMacro(vtkVolumeRayCastCompositeFunction,vtkVolumeRayCastFunction);
void PrintSelf( ostream& os, vtkIndent indent );
// Description:
// Set the CompositeMethod to either Classify First or Interpolate First
vtkSetClampMacro( CompositeMethod, int,
VTK_COMPOSITE_CLASSIFY_FIRST, VTK_COMPOSITE_INTERPOLATE_FIRST );
vtkGetMacro(CompositeMethod,int);
void SetCompositeMethodToInterpolateFirst()
{this->SetCompositeMethod(VTK_COMPOSITE_INTERPOLATE_FIRST);}
void SetCompositeMethodToClassifyFirst()
{this->SetCompositeMethod(VTK_COMPOSITE_CLASSIFY_FIRST);}
const char *GetCompositeMethodAsString(void);
//BTX
void CastRay( vtkVolumeRayCastDynamicInfo *dynamicInfo,
vtkVolumeRayCastStaticInfo *staticInfo);
float GetZeroOpacityThreshold( vtkVolume *vol );
//ETX
protected:
vtkVolumeRayCastCompositeFunction();
~vtkVolumeRayCastCompositeFunction();
//BTX
void SpecificFunctionInitialize( vtkRenderer *ren,
vtkVolume *vol,
vtkVolumeRayCastStaticInfo *staticInfo,
vtkVolumeRayCastMapper *mapper );
//ETX
int CompositeMethod;
private:
vtkVolumeRayCastCompositeFunction(const vtkVolumeRayCastCompositeFunction&); // Not implemented.
void operator=(const vtkVolumeRayCastCompositeFunction&); // Not implemented.
};
#endif
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