Main Page Class Hierarchy Alphabetical List Compound List File List Compound Members File Members Related Pages
IO/vtkVolume16Reader.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVolume16Reader.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 =========================================================================*/
00069 #ifndef __vtkVolume16Reader_h
00070 #define __vtkVolume16Reader_h
00071 
00072 #include "vtkVolumeReader.h"
00073 
00074 class vtkTransform;
00075 class vtkUnsignedCharArray;
00076 class vtkUnsignedShortArray;
00077 
00078 #define VTK_FILE_BYTE_ORDER_BIG_ENDIAN 0
00079 #define VTK_FILE_BYTE_ORDER_LITTLE_ENDIAN 1
00080 
00081 class VTK_IO_EXPORT vtkVolume16Reader : public vtkVolumeReader
00082 {
00083 public:
00084   vtkTypeRevisionMacro(vtkVolume16Reader,vtkVolumeReader);
00085   void PrintSelf(ostream& os, vtkIndent indent);
00086 
00090   static vtkVolume16Reader *New();
00091 
00093 
00094   vtkSetVector2Macro(DataDimensions,int);
00095   vtkGetVectorMacro(DataDimensions,int,2);
00097 
00099 
00101   vtkSetMacro(DataMask,unsigned short);
00102   vtkGetMacro(DataMask,unsigned short);
00104 
00106 
00107   vtkSetMacro(HeaderSize,int);
00108   vtkGetMacro(HeaderSize,int);
00110 
00112 
00122   void SetDataByteOrderToBigEndian();
00123   void SetDataByteOrderToLittleEndian();
00124   int GetDataByteOrder();
00125   void SetDataByteOrder(int);
00126   const char *GetDataByteOrderAsString();
00128 
00130 
00131   vtkSetMacro(SwapBytes,int);
00132   vtkGetMacro(SwapBytes,int);
00133   vtkBooleanMacro(SwapBytes,int);
00135 
00137 
00140   virtual void SetTransform(vtkTransform*);
00141   vtkGetObjectMacro(Transform,vtkTransform);
00143 
00145   vtkImageData *GetImage(int ImageNumber);
00146 
00147 protected:
00148   vtkVolume16Reader();
00149   ~vtkVolume16Reader();
00150 
00151   virtual void ExecuteData(vtkDataObject *);
00152   virtual void ExecuteInformation();
00153   int   DataDimensions[2];
00154   unsigned short DataMask;
00155   int   SwapBytes;
00156   int   HeaderSize;
00157   vtkTransform *Transform;
00158 
00159   void TransformSlice (unsigned short *slice, unsigned short *pixels, int k, int dimensions[3], int bounds[3]);
00160   void ComputeTransformedDimensions(int dimensions[3]);
00161   void ComputeTransformedBounds(int bounds[6]);
00162   void ComputeTransformedSpacing(float Spacing[3]);
00163   void ComputeTransformedOrigin(float origin[3]);
00164   void AdjustSpacingAndOrigin(int dimensions[3], float Spacing[3], float origin[3]);
00165   void ReadImage(int ImageNumber, vtkUnsignedShortArray *);
00166   void ReadVolume(int FirstImage, int LastImage, vtkUnsignedShortArray *);
00167   int Read16BitImage(FILE *fp, unsigned short *pixels, int xsize, int ysize, 
00168                      int skip, int swapBytes);
00169 
00170 private:
00171   vtkVolume16Reader(const vtkVolume16Reader&);  // Not implemented.
00172   void operator=(const vtkVolume16Reader&);  // Not implemented.
00173 };
00174 
00175 #endif
00176 
00177