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Imaging/vtkImageMandelbrotSource.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImageMandelbrotSource.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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 __vtkImageMandelbrotSource_h
#define __vtkImageMandelbrotSource_h

#include "vtkImageSource.h"

class VTK_IMAGING_EXPORT vtkImageMandelbrotSource : public vtkImageSource
{
public:
  static vtkImageMandelbrotSource *New();
  vtkTypeRevisionMacro(vtkImageMandelbrotSource,vtkImageSource);
  void PrintSelf(ostream& os, vtkIndent indent);   
  

  void SetWholeExtent(int extent[6]);
  void SetWholeExtent(int minX, int maxX, int minY, int maxY, 
                            int minZ, int maxZ);
  vtkGetVector6Macro(WholeExtent,int);
  

  vtkSetMacro(ConstantSize, int);
  vtkGetMacro(ConstantSize, int);
  vtkBooleanMacro(ConstantSize, int);


  void SetProjectionAxes(int x, int y, int z);
  void SetProjectionAxes(int a[3]) {this->SetProjectionAxes(a[0],a[1],a[2]);}
  vtkGetVector3Macro(ProjectionAxes, int);


  vtkSetVector4Macro(OriginCX, double);
  //void SetOriginCX(double cReal, double cImag, double xReal, double xImag);
  vtkGetVector4Macro(OriginCX, double);


  vtkSetVector4Macro(SampleCX, double);
  //void SetOriginCX(double cReal, double cImag, double xReal, double xImag);
  vtkGetVector4Macro(SampleCX, double);


  void SetSizeCX(double cReal, double cImag, double xReal, double xImag);
  double *GetSizeCX();
  void GetSizeCX(double s[4]);


  vtkSetClampMacro(MaximumNumberOfIterations, unsigned short, 1, 5000);
  vtkGetMacro(MaximumNumberOfIterations, unsigned short);


  void Zoom(double factor);
  void Pan(double x, double y, double z);

  void CopyOriginAndSample(vtkImageMandelbrotSource *source); 

protected:
  vtkImageMandelbrotSource();
  ~vtkImageMandelbrotSource();

  int ProjectionAxes[3];

  // WholeExtent in 3 space (after projection).
  int WholeExtent[6];

  // Complex constant/initial-value at origin.
  double OriginCX[4];
  // Initial complex value at origin.
  double SampleCX[4];
  unsigned short MaximumNumberOfIterations;

  // A temporary vector that is computed as needed.
  // It is used to return a vector.
  double SizeCX[4];

  // A flag for keeping size constant (vs. keeping the spacing).
  int ConstantSize;

  virtual void ExecuteData(vtkDataObject *outData);
  virtual void ExecuteInformation();
  float EvaluateSet(double p[4]);
private:
  vtkImageMandelbrotSource(const vtkImageMandelbrotSource&);  // Not implemented.
  void operator=(const vtkImageMandelbrotSource&);  // Not implemented.
};


#endif

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