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graphics/vtkThresholdTextureCoords.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkThresholdTextureCoords.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 =========================================================================*/
00067 #ifndef __vtkThresholdTextureCoords_h
00068 #define __vtkThresholdTextureCoords_h
00069 
00070 #include "vtkDataSetToDataSetFilter.h"
00071 
00072 class VTK_EXPORT vtkThresholdTextureCoords : public vtkDataSetToDataSetFilter
00073 {
00074 public:
00075   static vtkThresholdTextureCoords *New();
00076   vtkTypeMacro(vtkThresholdTextureCoords,vtkDataSetToDataSetFilter);
00077   void PrintSelf(ostream& os, vtkIndent indent);
00078   
00080   void ThresholdByLower(float lower);
00081 
00083   void ThresholdByUpper(float upper);
00084 
00087   void ThresholdBetween(float lower, float upper);
00088 
00090   vtkGetMacro(UpperThreshold,float);
00091   vtkGetMacro(LowerThreshold,float);
00092 
00094   vtkSetClampMacro(TextureDimension,int,1,3);
00095   vtkGetMacro(TextureDimension,int);
00096 
00099   vtkSetVector3Macro(InTextureCoord,float);
00100   vtkGetVectorMacro(InTextureCoord,float,3);
00101 
00104   vtkSetVector3Macro(OutTextureCoord,float);
00105   vtkGetVectorMacro(OutTextureCoord,float,3);
00106 
00107 protected:
00108   vtkThresholdTextureCoords();
00109   ~vtkThresholdTextureCoords() {};
00110   vtkThresholdTextureCoords(const vtkThresholdTextureCoords&) {};
00111   void operator=(const vtkThresholdTextureCoords&) {};
00112 
00113   // Usual data generation method
00114   void Execute();
00115 
00116   float LowerThreshold;
00117   float UpperThreshold;
00118 
00119   int TextureDimension;
00120 
00121   float InTextureCoord[3];
00122   float OutTextureCoord[3];
00123 
00124   //BTX
00125   int (vtkThresholdTextureCoords::*ThresholdFunction)(float s);
00126   //ETX
00127 
00128   int Lower(float s) {return ( s <= this->LowerThreshold ? 1 : 0 );};
00129   int Upper(float s) {return ( s >= this->UpperThreshold ? 1 : 0 );};
00130   int Between(float s) {return ( s >= this->LowerThreshold ? 
00131                                ( s <= this->UpperThreshold ? 1 : 0 ) : 0 );};
00132 };
00133 
00134 #endif
00135 
00136 

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