dox/Imaging/vtkSampleFunction.h

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

  Program:   Visualization Toolkit
  Module:    vtkSampleFunction.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 __vtkSampleFunction_h
#define __vtkSampleFunction_h

#include "vtkImageAlgorithm.h"

class vtkImplicitFunction;
class vtkDataArray;

class VTK_IMAGING_EXPORT vtkSampleFunction : public vtkImageAlgorithm
{
public:
  vtkTypeMacro(vtkSampleFunction,vtkImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkSampleFunction *New();


  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);}

  virtual void SetScalars(vtkDataArray *da);

  void SetSampleDimensions(int i, int j, int k);


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


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


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

  vtkSetMacro(CapValue,double);
  vtkGetMacro(CapValue,double);


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


  vtkSetStringMacro(ScalarArrayName);
  vtkGetStringMacro(ScalarArrayName);
  

  vtkSetStringMacro(NormalArrayName);
  vtkGetStringMacro(NormalArrayName);
  
  unsigned long GetMTime();

protected:
  vtkSampleFunction();
  
  ~vtkSampleFunction();

  virtual void ReportReferences(vtkGarbageCollector*);

  void ExecuteData(vtkDataObject *);
  virtual int RequestInformation (vtkInformation *, 
                                  vtkInformationVector **,
                                  vtkInformationVector *);
  void Cap(vtkDataArray *s);

  int OutputScalarType;
  int SampleDimensions[3];
  double ModelBounds[6];
  int Capping;
  double CapValue;
  vtkImplicitFunction *ImplicitFunction;
  int ComputeNormals;
  char *ScalarArrayName;
  char *NormalArrayName;
  
private:
  vtkSampleFunction(const vtkSampleFunction&);  // Not implemented.
  void operator=(const vtkSampleFunction&);  // Not implemented.
};

#endif