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Imaging/vtkImageGradient.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkImageGradient.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00031 #ifndef __vtkImageGradient_h
00032 #define __vtkImageGradient_h
00033 
00034 
00035 #include "vtkImageToImageFilter.h"
00036 
00037 class VTK_IMAGING_EXPORT vtkImageGradient : public vtkImageToImageFilter
00038 {
00039 public:
00040   static vtkImageGradient *New();
00041   vtkTypeRevisionMacro(vtkImageGradient,vtkImageToImageFilter);
00042   void PrintSelf(ostream& os, vtkIndent indent);
00043   
00045 
00046   vtkSetClampMacro(Dimensionality,int,2,3);
00047   vtkGetMacro(Dimensionality,int);
00049   
00051 
00053   vtkSetMacro(HandleBoundaries, int);
00054   vtkGetMacro(HandleBoundaries, int);
00055   vtkBooleanMacro(HandleBoundaries, int);
00057 
00059 
00062   vtkGetStringMacro(InputScalarsSelection);
00063   void SelectInputScalars(const char *fieldName) 
00064     {this->SetInputScalarsSelection(fieldName);}  
00066 
00067 protected:
00068   vtkImageGradient();
00069   ~vtkImageGradient() {};
00070 
00071   int HandleBoundaries;
00072   int Dimensionality;
00073   
00074   void ExecuteInformation(vtkImageData *inData, vtkImageData *outData); 
00075   void ComputeInputUpdateExtent(int inExt[6], int outExt[6]);
00076   void ExecuteInformation(){this->vtkImageToImageFilter::ExecuteInformation();};
00077   void ThreadedExecute(vtkImageData *inData, vtkImageData *outData,
00078                        int extent[6], int id);
00079 private:
00080   vtkImageGradient(const vtkImageGradient&);  // Not implemented.
00081   void operator=(const vtkImageGradient&);  // Not implemented.
00082 };
00083 
00084 #endif
00085 
00086 
00087