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graphics/vtkVoxelContoursToSurfaceFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVoxelContoursToSurfaceFilter.h,v $
00005   Language:  C++
00006 
00007 
00008 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00009 All rights reserved.
00010 
00011 Redistribution and use in source and binary forms, with or without
00012 modification, are permitted provided that the following conditions are met:
00013 
00014  * Redistributions of source code must retain the above copyright notice,
00015    this list of conditions and the following disclaimer.
00016 
00017  * Redistributions in binary form must reproduce the above copyright notice,
00018    this list of conditions and the following disclaimer in the documentation
00019    and/or other materials provided with the distribution.
00020 
00021  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00022    of any contributors may be used to endorse or promote products derived
00023    from this software without specific prior written permission.
00024 
00025  * Modified source versions must be plainly marked as such, and must not be
00026    misrepresented as being the original software.
00027 
00028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00029 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00030 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00031 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00033 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038 
00039 =========================================================================*/
00072 #ifndef __vtkVoxelContoursToSurfaceFilter_h
00073 #define __vtkVoxelContoursToSurfaceFilter_h
00074 
00075 #include "vtkPolyDataToPolyDataFilter.h"
00076 
00077 class VTK_EXPORT vtkVoxelContoursToSurfaceFilter : public vtkPolyDataToPolyDataFilter
00078 {
00079 public:
00080   static vtkVoxelContoursToSurfaceFilter *New();
00081   vtkTypeMacro(vtkVoxelContoursToSurfaceFilter,vtkPolyDataToPolyDataFilter);
00082   void PrintSelf(ostream& os, vtkIndent indent);
00083 
00088   vtkSetMacro( MemoryLimitInBytes, int );
00089   vtkGetMacro( MemoryLimitInBytes, int );
00090 
00091   vtkSetVector3Macro( Spacing, float );
00092   vtkGetVectorMacro( Spacing, float, 3 );
00093 
00094 protected:
00095   vtkVoxelContoursToSurfaceFilter();
00096   ~vtkVoxelContoursToSurfaceFilter();
00097   vtkVoxelContoursToSurfaceFilter(const vtkVoxelContoursToSurfaceFilter&) {};
00098   void operator=(const vtkVoxelContoursToSurfaceFilter&) {};
00099 
00100   void    Execute();
00101 
00102   int     MemoryLimitInBytes;
00103 
00104   float   Spacing[3];
00105 
00106   float   *LineList;
00107   int     LineListLength;
00108   int     LineListSize;
00109 
00110   float   *SortedXList;
00111   float   *SortedYList;
00112   int     SortedListSize;
00113 
00114   int     *WorkingList;
00115   int     WorkingListLength;
00116 
00117   float   *IntersectionList;
00118   int     IntersectionListLength;
00119 
00120   void    AddLineToLineList( float x1, float y1, float x2, float y2 );
00121   void    SortLineList();
00122   
00123   void    CastLines( float *slice, float gridOrigin[3], 
00124            int gridSize[3], int type );
00125 
00126   void    PushDistances( float *ptr, int gridSize[3], int chunkSize );
00127 };
00128 
00129 #endif
00130 
00131 

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