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# Rendering/vtkDirectionEncoder.h

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    00001 /*=========================================================================
    00002
    00003   Program:   Visualization Toolkit
    00004   Module:    $RCSfile: vtkDirectionEncoder.h,v $
    00005   Language:  C++
    00006
    00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen
    00008   All rights reserved.
    00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
    00010
    00011      This software is distributed WITHOUT ANY WARRANTY; without even
    00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    00013      PURPOSE.  See the above copyright notice for more information.
    00014
    00015 =========================================================================*/
    00016
    00049 #ifndef __vtkDirectionEncoder_h
    00050 #define __vtkDirectionEncoder_h
    00051
    00052 #include "vtkObject.h"
    00053
    00054 class VTK_RENDERING_EXPORT vtkDirectionEncoder : public vtkObject
    00055 {
    00056 public:
    00058
    00059   vtkTypeRevisionMacro(vtkDirectionEncoder,vtkObject);
    00060   virtual void PrintSelf(ostream& os, vtkIndent indent);
    00062
    00064   virtual int GetEncodedDirection( float n[3] )=0;
    00065
    00067   virtual float *GetDecodedGradient( int value )=0;
    00068
    00070   virtual  int GetNumberOfEncodedDirections( void )=0;
    00071
    00076   virtual float *GetDecodedGradientTable( void )=0;
    00077
    00078 protected:
    00079   vtkDirectionEncoder() {};
    00080   ~vtkDirectionEncoder() {};
    00081 private:
    00082   vtkDirectionEncoder(const vtkDirectionEncoder&);  // Not implemented.
    00083   void operator=(const vtkDirectionEncoder&);  // Not implemented.
    00084 };
    00085
    00086
    00087 #endif
    00088
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    00094