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contrib/vtkProjectedTexture.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkProjectedTexture.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 __vtkProjectedTexture_h
00063 #define __vtkProjectedTexture_h
00064 
00065 #include "vtkDataSetToDataSetFilter.h"
00066 
00067 class VTK_EXPORT vtkProjectedTexture : public vtkDataSetToDataSetFilter 
00068 {
00069 public:
00070   static vtkProjectedTexture *New();
00071   vtkTypeMacro(vtkProjectedTexture,vtkDataSetToDataSetFilter);
00072   void PrintSelf(ostream& os, vtkIndent indent);
00073 
00075   vtkSetVector3Macro(Position,float);
00076   vtkGetVectorMacro(Position,float,3);
00077 
00080   void SetFocalPoint(float focalPoint[3]);
00081   void SetFocalPoint(float x, float y, float z);
00082   vtkGetVectorMacro(FocalPoint,float,3);
00083 
00085   vtkGetVectorMacro(Orientation,float,3);
00086   
00087   // Set/Get the up vector of the projector.
00088   vtkSetVector3Macro(Up,float);
00089   vtkGetVectorMacro(Up,float,3);
00090 
00091   // Set/Get the aspect ratio of a perpendicular cross-section of the
00092   // the projector's frustum.  The aspect ratio consists of three 
00093   // numbers:  (x, y, z), where x is the width of the 
00094   // frustum, y is the height, and z is the perpendicular
00095   // distance from the focus of the projector.
00096   vtkSetVector3Macro(AspectRatio,float);
00097   vtkGetVectorMacro(AspectRatio,float,3);
00098 
00100   vtkSetVector2Macro(SRange,float);
00101   vtkGetVectorMacro(SRange,float,2);
00102 
00104   vtkSetVector2Macro(TRange,float);
00105   vtkGetVectorMacro(TRange,float,2);
00106   
00107 protected:
00108   vtkProjectedTexture();
00109   ~vtkProjectedTexture() {};
00110   vtkProjectedTexture(const vtkProjectedTexture&) {};
00111   void operator=(const vtkProjectedTexture&) {};
00112 
00113   void Execute();
00114   void ComputeNormal();
00115 
00116   float Position[3];
00117   float Orientation[3];
00118   float FocalPoint[3];
00119   float Up[3];
00120   float AspectRatio[3];
00121   float SRange[2];
00122   float TRange[2];
00123 };
00124 
00125 #endif
00126 

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