vtkImplicitModeller.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImplicitModeller.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 __vtkImplicitModeller_h
#define __vtkImplicitModeller_h

#include "vtkImageAlgorithm.h"

#define VTK_VOXEL_MODE   0
#define VTK_CELL_MODE    1

class vtkDataArray;
class vtkExtractGeometry;
class vtkMultiThreader;

class VTK_HYBRID_EXPORT vtkImplicitModeller : public vtkImageAlgorithm 
{
public:
  vtkTypeRevisionMacro(vtkImplicitModeller,vtkImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkImplicitModeller *New();

  double ComputeModelBounds(vtkDataSet *input = NULL);


  vtkGetVectorMacro(SampleDimensions,int,3);
  void SetSampleDimensions(int i, int j, int k);
  void SetSampleDimensions(int dim[3]);


  vtkSetClampMacro(MaximumDistance,double,0.0,1.0);
  vtkGetMacro(MaximumDistance,double);


  vtkSetVector6Macro(ModelBounds,double);
  vtkGetVectorMacro(ModelBounds,double,6);


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

  vtkSetClampMacro(AdjustDistance,double,-1.0,1.0);
  vtkGetMacro(AdjustDistance,double);


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

  void SetCapValue(double value);
  vtkGetMacro(CapValue,double);


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


  vtkSetClampMacro(ProcessMode, int, 0, 1);
  vtkGetMacro(ProcessMode, int);
  void SetProcessModeToPerVoxel() {this->SetProcessMode(VTK_VOXEL_MODE);}
  void SetProcessModeToPerCell()  {this->SetProcessMode(VTK_CELL_MODE);}
  const char *GetProcessModeAsString(void);


  vtkSetMacro(LocatorMaxLevel,int);
  vtkGetMacro(LocatorMaxLevel,int);


  vtkSetClampMacro( NumberOfThreads, int, 1, VTK_MAX_THREADS );
  vtkGetMacro( NumberOfThreads, int );


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

  void StartAppend();

  void Append(vtkDataSet *input);

  void EndAppend();

  // See the vtkAlgorithm for a desciption of what these do
  int ProcessRequest(vtkInformation*,
                     vtkInformationVector**,
                     vtkInformationVector*);

protected:
  vtkImplicitModeller();
  ~vtkImplicitModeller();

  double GetScalarTypeMax(int type);

  virtual int RequestInformation (vtkInformation *, 
                                  vtkInformationVector **,
                                  vtkInformationVector *);
  virtual int RequestData (vtkInformation *, 
                           vtkInformationVector **, vtkInformationVector *);
  
  void StartAppend(int internal);
  void Cap(vtkDataArray *s);

  vtkMultiThreader *Threader;
  int              NumberOfThreads;

  int SampleDimensions[3];
  double MaximumDistance;
  double ModelBounds[6];
  int Capping;
  double CapValue;
  int DataAppended;
  int AdjustBounds;
  double AdjustDistance;
  int ProcessMode;
  int LocatorMaxLevel;
  int OutputScalarType;
  int ScaleToMaximumDistance;

  // flag to limit to one ComputeModelBounds per StartAppend
  int BoundsComputed; 
  
  // the max distance computed during that one call
  double InternalMaxDistance; 

  virtual int FillInputPortInformation(int, vtkInformation*);

private:
  vtkImplicitModeller(const vtkImplicitModeller&);  // Not implemented.
  void operator=(const vtkImplicitModeller&);  // Not implemented.
};

#endif

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