dox/Graphics/vtkSubPixelPositionEdgels.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkSubPixelPositionEdgels.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.

=========================================================================*/
#ifndef __vtkSubPixelPositionEdgels_h
#define __vtkSubPixelPositionEdgels_h

#include "vtkPolyDataAlgorithm.h"

class vtkStructuredPoints;
class vtkDataArray;

class VTK_GRAPHICS_EXPORT vtkSubPixelPositionEdgels : public vtkPolyDataAlgorithm
{
public:
  static vtkSubPixelPositionEdgels *New();
  vtkTypeRevisionMacro(vtkSubPixelPositionEdgels,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetGradMaps(vtkStructuredPoints *gm);
  vtkStructuredPoints *GetGradMaps();


  vtkSetMacro(TargetFlag, int);
  vtkGetMacro(TargetFlag, int);
  vtkBooleanMacro(TargetFlag, int);
  vtkSetMacro(TargetValue, double);
  vtkGetMacro(TargetValue, double);
  
protected:
  vtkSubPixelPositionEdgels();
  ~vtkSubPixelPositionEdgels();

  // Usual data generation method
  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int port, vtkInformation *info);

  void Move(int xdim, int ydim, int zdim, int x, int y,
            float *img, vtkDataArray *inVecs, 
            double *result, int z, double *aspect, double *resultNormal);
  void Move(int xdim, int ydim, int zdim, int x, int y,
            double *img, vtkDataArray *inVecs, 
            double *result, int z, double *aspect, double *resultNormal);
  // extension for target instead of maximum
  int TargetFlag;
  double TargetValue;
private:
  vtkSubPixelPositionEdgels(const vtkSubPixelPositionEdgels&);  // Not implemented.
  void operator=(const vtkSubPixelPositionEdgels&);  // Not implemented.
};

#endif

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