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dox/IO/vtkVolume16Reader.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVolume16Reader.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 =========================================================================*/
00050 #ifndef __vtkVolume16Reader_h
00051 #define __vtkVolume16Reader_h
00052 
00053 #include "vtkVolumeReader.h"
00054 
00055 class vtkTransform;
00056 class vtkUnsignedCharArray;
00057 class vtkUnsignedShortArray;
00058 
00059 #define VTK_FILE_BYTE_ORDER_BIG_ENDIAN 0
00060 #define VTK_FILE_BYTE_ORDER_LITTLE_ENDIAN 1
00061 
00062 class VTK_IO_EXPORT vtkVolume16Reader : public vtkVolumeReader
00063 {
00064 public:
00065   vtkTypeRevisionMacro(vtkVolume16Reader,vtkVolumeReader);
00066   void PrintSelf(ostream& os, vtkIndent indent);
00067 
00071   static vtkVolume16Reader *New();
00072 
00074 
00075   vtkSetVector2Macro(DataDimensions,int);
00076   vtkGetVectorMacro(DataDimensions,int,2);
00078 
00080 
00082   vtkSetMacro(DataMask,unsigned short);
00083   vtkGetMacro(DataMask,unsigned short);
00085 
00087 
00088   vtkSetMacro(HeaderSize,int);
00089   vtkGetMacro(HeaderSize,int);
00091 
00093 
00103   void SetDataByteOrderToBigEndian();
00104   void SetDataByteOrderToLittleEndian();
00105   int GetDataByteOrder();
00106   void SetDataByteOrder(int);
00107   const char *GetDataByteOrderAsString();
00109 
00111 
00112   vtkSetMacro(SwapBytes,int);
00113   vtkGetMacro(SwapBytes,int);
00114   vtkBooleanMacro(SwapBytes,int);
00116 
00118 
00121   virtual void SetTransform(vtkTransform*);
00122   vtkGetObjectMacro(Transform,vtkTransform);
00124 
00126   vtkImageData *GetImage(int ImageNumber);
00127 
00128 protected:
00129   vtkVolume16Reader();
00130   ~vtkVolume16Reader();
00131 
00132   virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
00133   virtual int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
00134   int   DataDimensions[2];
00135   unsigned short DataMask;
00136   int   SwapBytes;
00137   int   HeaderSize;
00138   vtkTransform *Transform;
00139 
00140   void TransformSlice (unsigned short *slice, unsigned short *pixels, int k, int dimensions[3], int bounds[3]);
00141   void ComputeTransformedDimensions(int dimensions[3]);
00142   void ComputeTransformedBounds(int bounds[6]);
00143   void ComputeTransformedSpacing(double Spacing[3]);
00144   void ComputeTransformedOrigin(double origin[3]);
00145   void AdjustSpacingAndOrigin(int dimensions[3], double Spacing[3], double origin[3]);
00146   void ReadImage(int ImageNumber, vtkUnsignedShortArray *);
00147   void ReadVolume(int FirstImage, int LastImage, vtkUnsignedShortArray *);
00148   int Read16BitImage(FILE *fp, unsigned short *pixels, int xsize, int ysize, 
00149                      int skip, int swapBytes);
00150 
00151 private:
00152   vtkVolume16Reader(const vtkVolume16Reader&);  // Not implemented.
00153   void operator=(const vtkVolume16Reader&);  // Not implemented.
00154 };
00155 
00156 #endif
00157 
00158 

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