dox/Graphics/vtkHyperOctreeSampleFunction.h

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

  Program:   Visualization Toolkit
  Module:    vtkHyperOctreeSampleFunction.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 __vtkHyperOctreeSampleFunction_h
#define __vtkHyperOctreeSampleFunction_h

#include "vtkHyperOctreeAlgorithm.h"

class vtkImplicitFunction;

class VTK_GRAPHICS_EXPORT vtkHyperOctreeSampleFunction : public vtkHyperOctreeAlgorithm
{
public:
  vtkTypeMacro(vtkHyperOctreeSampleFunction,vtkHyperOctreeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
  
  static vtkHyperOctreeSampleFunction *New();

  int GetLevels();
  
  void SetLevels(int levels);
  
  int GetMinLevels();
  
  void SetMinLevels(int minLevels);
  
  double GetThreshold();
  
  void SetThreshold(double threshold);
  
  int GetDimension();
  
   // Set the dimension of the tree with `dim'. See GetDimension() for details.
  // \pre valid_dim: dim>=1 && dim<=3
  // \post dimension_is_set: GetDimension()==dim
  void SetDimension(int dim);
    

  vtkSetVector3Macro(Size,double);
  

  vtkGetVector3Macro(Size,double);
  

  vtkSetVector3Macro(Origin,double);
  // Return the origin (position of corner (0,0,0) ) of the root.
  vtkGetVector3Macro(Origin,double);
  
  double GetWidth();
  
  void SetWidth(double width);
  
  double GetHeight();
  
  void SetHeight(double height);
  
  double GetDepth();
  
  void SetDepth(double depth);
  

  virtual void SetImplicitFunction(vtkImplicitFunction*);
  vtkGetObjectMacro(ImplicitFunction,vtkImplicitFunction);


  vtkSetMacro(OutputScalarType,int);
  vtkGetMacro(OutputScalarType,int);
  void SetOutputScalarTypeToDouble()
    {this->SetOutputScalarType(VTK_DOUBLE);}
  void SetOutputScalarTypeToFloat()
    {this->SetOutputScalarType(VTK_FLOAT);}
  void SetOutputScalarTypeToLong()
    {this->SetOutputScalarType(VTK_LONG);}
  void SetOutputScalarTypeToUnsignedLong()
    {this->SetOutputScalarType(VTK_UNSIGNED_LONG);};
  void SetOutputScalarTypeToInt()
    {this->SetOutputScalarType(VTK_INT);}
  void SetOutputScalarTypeToUnsignedInt()
    {this->SetOutputScalarType(VTK_UNSIGNED_INT);}
  void SetOutputScalarTypeToShort()
    {this->SetOutputScalarType(VTK_SHORT);}
  void SetOutputScalarTypeToUnsignedShort()
    {this->SetOutputScalarType(VTK_UNSIGNED_SHORT);}
  void SetOutputScalarTypeToChar()
    {this->SetOutputScalarType(VTK_CHAR);}
  void SetOutputScalarTypeToUnsignedChar()
    {this->SetOutputScalarType(VTK_UNSIGNED_CHAR);}

  unsigned long GetMTime();

protected:

  vtkHyperOctreeSampleFunction();
  ~vtkHyperOctreeSampleFunction();
  

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

  void Subdivide(vtkHyperOctreeCursor *cursor,
                 int level,
                 vtkHyperOctree *output);
  
  int Dimension;
  double Size[3]; // size on each axis
  double Origin[3]; // position of corner (0,0,0) of the root.
  int Levels;
  int MinLevels;
  
  int OutputScalarType;
  vtkImplicitFunction *ImplicitFunction;
  double Threshold;
  
private:
  vtkHyperOctreeSampleFunction(const vtkHyperOctreeSampleFunction&);  // Not implemented.
  void operator=(const vtkHyperOctreeSampleFunction&);  // Not implemented.
};

#endif

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