---

Hybrid/vtkImplicitModeller.h

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

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

#include "vtkDataSetToImageFilter.h"

#define VTK_VOXEL_MODE   0
#define VTK_CELL_MODE    1

class vtkDataArray;
class vtkExtractGeometry;
class vtkMultiThreader;

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

  static vtkImplicitModeller *New();

  float ComputeModelBounds(vtkDataSet *input = NULL);


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


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


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


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

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


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

  vtkSetMacro(CapValue,float);
  vtkGetMacro(CapValue,float);


  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 StartAppend();

  void Append(vtkDataSet *input);

  void EndAppend();

  virtual void UpdateData(vtkDataObject *output);

protected:
  vtkImplicitModeller();
  ~vtkImplicitModeller();

  void ExecuteData(vtkDataObject *);
  void ExecuteInformation();
  
  void Cap(vtkDataArray *s);

  vtkMultiThreader *Threader;
  int              NumberOfThreads;

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

  int BoundsComputed; // flag to limit to one ComputeModelBounds per StartAppend
  float InternalMaxDistance; // the max distance computed during that one call
private:
  vtkImplicitModeller(const vtkImplicitModeller&);  // Not implemented.
  void operator=(const vtkImplicitModeller&);  // Not implemented.
};

#endif

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