Servers/Filters/vtkHierarchicalFractal.h

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

  Program:   ParaView
  Module:    $RCSfile: vtkHierarchicalFractal.h,v $

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 __vtkHierarchicalFractal_h
#define __vtkHierarchicalFractal_h

#include "vtkHierarchicalDataSetAlgorithm.h"

class vtkIntArray;
class vtkUniformGrid;
class vtkRectilinearGrid;
class vtkDataSet;

class VTK_EXPORT vtkHierarchicalFractal : public vtkHierarchicalDataSetAlgorithm
{
public:
  static vtkHierarchicalFractal *New();

  vtkTypeRevisionMacro(vtkHierarchicalFractal,vtkHierarchicalDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkSetMacro(FractalValue, float);
  vtkGetMacro(FractalValue, float);  


  vtkSetMacro(MaximumLevel, int);
  vtkGetMacro(MaximumLevel, int);


  vtkSetMacro(Dimensions, int);
  vtkGetMacro(Dimensions, int);


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

  vtkSetMacro(TimeStep, int);
  vtkGetMacro(TimeStep, int);
  vtkGetVector2Macro(TimeStepRange, int);
  

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


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


  vtkSetMacro(Asymetric,int);
  vtkGetMacro(Asymetric,int);

protected:
  vtkHierarchicalFractal();
  ~vtkHierarchicalFractal();

  int StartBlock;
  int EndBlock;
  int BlockCount;
  int TimeStep;
  int TimeStepRange[2];
  

  virtual int RequestInformation(vtkInformation *request, 
                                 vtkInformationVector **inputVector, 
                                 vtkInformationVector *outputVector);


  virtual int RequestData(vtkInformation *request, 
                          vtkInformationVector **inputVector, 
                          vtkInformationVector *outputVector);
  
  void Traverse(int &blockId, int level, vtkHierarchicalDataSet* output, 
                int x0,int x1, int y0,int y1, int z0,int z1,
                int onFace[6]);

  int LineTest2(float x0, float y0, float z0, 
                float x1, float y1, float z1,
                double bds[6]); 
  int LineTest(float x0, float y0, float z0, 
               float x1, float y1, float z1,
               double bds[6], int level, int target); 

  void SetBlockInfo(vtkUniformGrid *grid, int level, int* ext,int onFace[6]);
  void SetRBlockInfo(vtkRectilinearGrid *grid, int level, int* ext,
                     int onFace[6]);
  
  void AddVectorArray(vtkHierarchicalDataSet *output);
  void AddTestArray(vtkHierarchicalDataSet *output);
  void AddFractalArray(vtkHierarchicalDataSet *output);
  void AddBlockIdArray(vtkHierarchicalDataSet *output);
  void AddDepthArray(vtkHierarchicalDataSet *output);
  
  void AddGhostLevelArray(vtkDataSet *grid,
                          int dim[3],
                          int onFace[6]);

  int MandelbrotTest(double x, double y);
  int TwoDTest(double bds[6], int level, int target);

  void CellExtentToBounds(int level,
                          int ext[6],
                          double bds[6]);
  
  void ExecuteRectilinearMandelbrot(vtkRectilinearGrid *grid,
                                    double *ptr);
  double EvaluateSet(double p[4]);
  void GetContinuousIncrements(int extent[6],
                               vtkIdType &incX,
                               vtkIdType &incY,
                               vtkIdType &incZ);
  
  // Dimensions:
  // Specify blocks relative to this top level block.
  // For now this has to be set before the blocks are defined.
  vtkSetVector3Macro(TopLevelSpacing, double);
  vtkGetVector3Macro(TopLevelSpacing, double);
  vtkSetVector3Macro(TopLevelOrigin, double);
  vtkGetVector3Macro(TopLevelOrigin, double);
  
  void InternalImageDataCopy(vtkHierarchicalFractal *src);

  int Asymetric;
  int MaximumLevel;
  int Dimensions;
  float FractalValue;
  int GhostLevels;
  vtkIntArray *Levels;
  int TwoDimensional;

// New method of specifing blocks.
  double TopLevelSpacing[3];
  double TopLevelOrigin[3];
  
  int GenerateRectilinearGrids;
  
private:
  vtkHierarchicalFractal(const vtkHierarchicalFractal&);  // Not implemented.
  void operator=(const vtkHierarchicalFractal&);  // Not implemented.
};


#endif

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