dox/Graphics/vtkThresholdTextureCoords.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkThresholdTextureCoords.h

  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.

=========================================================================*/
#ifndef __vtkThresholdTextureCoords_h
#define __vtkThresholdTextureCoords_h

#include "vtkDataSetAlgorithm.h"

class VTK_GRAPHICS_EXPORT vtkThresholdTextureCoords : public vtkDataSetAlgorithm
{
public:
  static vtkThresholdTextureCoords *New();
  vtkTypeMacro(vtkThresholdTextureCoords,vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
  
  void ThresholdByLower(double lower);

  void ThresholdByUpper(double upper);

  void ThresholdBetween(double lower, double upper);


  vtkGetMacro(UpperThreshold,double);
  vtkGetMacro(LowerThreshold,double);


  vtkSetClampMacro(TextureDimension,int,1,3);
  vtkGetMacro(TextureDimension,int);


  vtkSetVector3Macro(InTextureCoord,double);
  vtkGetVectorMacro(InTextureCoord,double,3);


  vtkSetVector3Macro(OutTextureCoord,double);
  vtkGetVectorMacro(OutTextureCoord,double,3);

protected:
  vtkThresholdTextureCoords();
  ~vtkThresholdTextureCoords() {};

  // Usual data generation method
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  double LowerThreshold;
  double UpperThreshold;

  int TextureDimension;

  double InTextureCoord[3];
  double OutTextureCoord[3];

  //BTX
  int (vtkThresholdTextureCoords::*ThresholdFunction)(double s);
  //ETX

  int Lower(double s) {return ( s <= this->LowerThreshold ? 1 : 0 );};
  int Upper(double s) {return ( s >= this->UpperThreshold ? 1 : 0 );};
  int Between(double s) {return ( s >= this->LowerThreshold ? 
                               ( s <= this->UpperThreshold ? 1 : 0 ) : 0 );};
private:
  vtkThresholdTextureCoords(const vtkThresholdTextureCoords&);  // Not implemented.
  void operator=(const vtkThresholdTextureCoords&);  // Not implemented.
};

#endif