Main Page   Class Hierarchy   Alphabetical List   Compound List   File List   Compound Members   File Members   Related Pages  

contrib/vtkImageBlockReader.h

Go to the documentation of this file.
00001 /*=========================================================================
00002   
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkImageBlockReader.h,v $
00005   Language:  C++
00006   
00007 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00008 All rights reserved.
00009 
00010 Redistribution and use in source and binary forms, with or without
00011 modification, are permitted provided that the following conditions are met:
00012 
00013  * Redistributions of source code must retain the above copyright notice,
00014    this list of conditions and the following disclaimer.
00015 
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019 
00020  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00021    of any contributors may be used to endorse or promote products derived
00022    from this software without specific prior written permission.
00023 
00024  * Modified source versions must be plainly marked as such, and must not be
00025    misrepresented as being the original software.
00026 
00027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00028 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00029 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00030 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00032 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00033 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00034 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00035 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00036 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 
00038 =========================================================================*/
00054 #ifndef __vtkImageBlockReader_h
00055 #define __vtkImageBlockReader_h
00056 
00057 #include "vtkImageSource.h"
00058 
00059 
00060 class VTK_EXPORT vtkImageBlockReader : public vtkImageSource
00061 {
00062 public:
00063   static vtkImageBlockReader *New();
00064   vtkTypeMacro(vtkImageBlockReader,vtkImageSource);
00065   void PrintSelf(ostream& os, vtkIndent indent);
00066 
00069   vtkSetVector3Macro(Divisions, int);
00070   vtkGetVector3Macro(Divisions, int);
00071 
00074   vtkSetMacro(Overlap, int);
00075   vtkGetMacro(Overlap, int);
00076 
00079   vtkSetVector6Macro(WholeExtent, int);
00080   vtkGetVector6Macro(WholeExtent, int);
00081 
00084   vtkSetMacro(NumberOfScalarComponents, int);  
00085   vtkGetMacro(NumberOfScalarComponents, int);  
00086   
00089   vtkSetMacro(ScalarType, int);  
00090   vtkGetMacro(ScalarType, int);  
00091   
00093   vtkSetStringMacro(FilePattern);
00094   vtkGetStringMacro(FilePattern);
00095 
00096 
00097   
00098 protected:
00099   vtkImageBlockReader();
00100   ~vtkImageBlockReader();
00101   vtkImageBlockReader(const vtkImageBlockReader&) {};
00102   void operator=(const vtkImageBlockReader&) {};
00103   
00104   char *FilePattern;
00105 
00106   int WholeExtent[6];
00107   int NumberOfScalarComponents;
00108   int ScalarType;
00109   int Divisions[3];
00110   int Overlap;
00111 
00112 
00114   void Execute(vtkImageData *data);
00115   void ExecuteInformation();
00116 
00117   // This method computes the XYZExtents.
00118   void ComputeBlockExtents();
00119   void DeleteBlockExtents();
00120 
00121   // helper methods
00122   void Read(vtkImageData *data, int *ext);
00123   void ReadRemainder(vtkImageData *data, int *ext, int *doneExt);
00124   void ReadBlock(int xIdx, int yIdx, int zIdx, 
00125                  vtkImageData *data, int *ext);
00126 
00129   void ModifyOutputUpdateExtent();
00130 
00131   // extents (min, max) of the divisions.
00132   int *XExtents;
00133   int *YExtents;
00134   int *ZExtents;
00135 };
00136 
00137 
00138 #endif
00139 
00140 

Generated on Wed Nov 21 12:26:55 2001 for VTK by doxygen1.2.11.1 written by Dimitri van Heesch, © 1997-2001