00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkVolumeRayCastCompositeFunction.h,v $ 00005 Language: C++ 00006 00007 00008 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 00009 All rights reserved. 00010 00011 Redistribution and use in source and binary forms, with or without 00012 modification, are permitted provided that the following conditions are met: 00013 00014 * Redistributions of source code must retain the above copyright notice, 00015 this list of conditions and the following disclaimer. 00016 00017 * Redistributions in binary form must reproduce the above copyright notice, 00018 this list of conditions and the following disclaimer in the documentation 00019 and/or other materials provided with the distribution. 00020 00021 * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names 00022 of any contributors may be used to endorse or promote products derived 00023 from this software without specific prior written permission. 00024 00025 * Modified source versions must be plainly marked as such, and must not be 00026 misrepresented as being the original software. 00027 00028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 00029 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00030 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00031 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR 00032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00033 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00038 00039 =========================================================================*/ 00062 #ifndef __vtkVolumeRayCastCompositeFunction_h 00063 #define __vtkVolumeRayCastCompositeFunction_h 00064 00065 #include "vtkVolumeRayCastFunction.h" 00066 00067 #define VTK_COMPOSITE_CLASSIFY_FIRST 0 00068 #define VTK_COMPOSITE_INTERPOLATE_FIRST 1 00069 00070 class VTK_RENDERING_EXPORT vtkVolumeRayCastCompositeFunction : public vtkVolumeRayCastFunction 00071 { 00072 public: 00073 static vtkVolumeRayCastCompositeFunction *New(); 00074 vtkTypeMacro(vtkVolumeRayCastCompositeFunction,vtkVolumeRayCastFunction); 00075 void PrintSelf( ostream& os, vtkIndent index ); 00076 00078 00079 vtkSetClampMacro( CompositeMethod, int, 00080 VTK_COMPOSITE_CLASSIFY_FIRST, VTK_COMPOSITE_INTERPOLATE_FIRST ); 00081 vtkGetMacro(CompositeMethod,int); 00082 void SetCompositeMethodToInterpolateFirst() 00083 {this->SetCompositeMethod(VTK_COMPOSITE_INTERPOLATE_FIRST);} 00084 void SetCompositeMethodToClassifyFirst() 00085 {this->SetCompositeMethod(VTK_COMPOSITE_CLASSIFY_FIRST);} 00086 const char *GetCompositeMethodAsString(void); 00088 00089 //BTX 00090 void CastRay( VTKVRCDynamicInfo *dynamicInfo, 00091 VTKVRCStaticInfo *staticInfo); 00092 00093 float GetZeroOpacityThreshold( vtkVolume *vol ); 00094 //ETX 00095 00096 protected: 00097 vtkVolumeRayCastCompositeFunction(); 00098 ~vtkVolumeRayCastCompositeFunction(); 00099 00100 //BTX 00101 void SpecificFunctionInitialize( vtkRenderer *ren, 00102 vtkVolume *vol, 00103 VTKVRCStaticInfo *staticInfo, 00104 vtkVolumeRayCastMapper *mapper ); 00105 //ETX 00106 00107 int CompositeMethod; 00108 private: 00109 vtkVolumeRayCastCompositeFunction(const vtkVolumeRayCastCompositeFunction&); // Not implemented. 00110 void operator=(const vtkVolumeRayCastCompositeFunction&); // Not implemented. 00111 }; 00112 00113 00114 #endif