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Graphics/vtkClipVolume.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkClipVolume.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 =========================================================================*/
00059 #ifndef __vtkClipVolume_h
00060 #define __vtkClipVolume_h
00061 
00062 #include "vtkStructuredPointsToUnstructuredGridFilter.h"
00063 
00064 class vtkCellData;
00065 class vtkDataArray;
00066 class vtkIdList;
00067 class vtkImplicitFunction;
00068 class vtkMergePoints;
00069 class vtkOrderedTriangulator;
00070 class vtkPointData;
00071 class vtkPointLocator;
00072 class vtkPoints;
00073 class vtkUnstructuredGrid;
00074 
00075 class VTK_GRAPHICS_EXPORT vtkClipVolume : public vtkStructuredPointsToUnstructuredGridFilter
00076 {
00077 public:
00078   vtkTypeRevisionMacro(vtkClipVolume,vtkStructuredPointsToUnstructuredGridFilter);
00079   void PrintSelf(ostream& os, vtkIndent indent);
00080 
00084   static vtkClipVolume *New();
00085 
00087 
00090   vtkSetMacro(Value,float);
00091   vtkGetMacro(Value,float);
00093   
00095 
00100   vtkSetMacro(InsideOut,int);
00101   vtkGetMacro(InsideOut,int);
00102   vtkBooleanMacro(InsideOut,int);
00104 
00106 
00109   virtual void SetClipFunction(vtkImplicitFunction*);
00110   vtkGetObjectMacro(ClipFunction,vtkImplicitFunction);
00112 
00114 
00118   vtkSetMacro(GenerateClipScalars,int);
00119   vtkGetMacro(GenerateClipScalars,int);
00120   vtkBooleanMacro(GenerateClipScalars,int);
00122 
00124 
00126   vtkSetMacro(GenerateClippedOutput,int);
00127   vtkGetMacro(GenerateClippedOutput,int);
00128   vtkBooleanMacro(GenerateClippedOutput,int);
00130 
00132   vtkUnstructuredGrid *GetClippedOutput();
00133 
00135 
00138   vtkSetClampMacro(MergeTolerance,float,0.0001,0.25);
00139   vtkGetMacro(MergeTolerance,float);
00141   
00143 
00145   void SetLocator(vtkPointLocator *locator);
00146   vtkGetObjectMacro(Locator,vtkPointLocator);
00148 
00151   void CreateDefaultLocator();
00152 
00154   unsigned long int GetMTime();
00155 
00156 protected:
00157   vtkClipVolume(vtkImplicitFunction *cf=NULL);
00158   ~vtkClipVolume();
00159 
00160   void Execute();
00161   void ClipVoxel(float value, vtkDataArray *cellScalars, int flip,
00162                  float origin[3], float spacing[3], vtkIdList *cellIds,
00163                  vtkPoints *cellPts, vtkPointData *inPD, vtkPointData *outPD,
00164                  vtkCellData *inCD, vtkIdType cellId, vtkCellData *outCD, 
00165                  vtkCellData *clippedCD);
00166   vtkImplicitFunction *ClipFunction;
00167   vtkPointLocator *Locator;
00168   int InsideOut;
00169   float Value;
00170   int GenerateClipScalars;
00171   float MergeTolerance;
00172 
00173   int GenerateClippedOutput;
00174   vtkUnstructuredGrid *ClippedOutput;
00175   
00176 private:
00177   vtkUnstructuredGrid    *Mesh;
00178   vtkOrderedTriangulator *Triangulator;
00179   
00180 private:
00181   vtkClipVolume(const vtkClipVolume&);  // Not implemented.
00182   void operator=(const vtkClipVolume&);  // Not implemented.
00183 };
00184 
00185 #endif