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dox/Filtering/vtkAbstractCellLocator.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkAbstractCellLocator.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 =========================================================================*/
00038 #ifndef __vtkAbstractCellLocator_h
00039 #define __vtkAbstractCellLocator_h
00040 
00041 #include "vtkLocator.h"
00042 
00043 class vtkCellArray;
00044 class vtkGenericCell;
00045 class vtkIdList;
00046 class vtkPoints;
00047 
00048 class VTK_FILTERING_EXPORT vtkAbstractCellLocator : public vtkLocator
00049 {
00050 public:
00051   vtkTypeRevisionMacro(vtkAbstractCellLocator,vtkLocator);
00052   void PrintSelf(ostream& os, vtkIndent indent);
00053 
00055 
00059   vtkSetClampMacro(NumberOfCellsPerNode,int,1,VTK_LARGE_INTEGER);
00060   vtkGetMacro(NumberOfCellsPerNode,int);
00062 
00064 
00069   vtkSetMacro(CacheCellBounds,int);
00070   vtkGetMacro(CacheCellBounds,int);
00071   vtkBooleanMacro(CacheCellBounds,int);
00073 
00075 
00079   vtkSetMacro(RetainCellLists,int);
00080   vtkGetMacro(RetainCellLists,int);
00081   vtkBooleanMacro(RetainCellLists,int);
00083 
00085 
00089   vtkSetMacro(LazyEvaluation,int);
00090   vtkGetMacro(LazyEvaluation,int);
00091   vtkBooleanMacro(LazyEvaluation,int);
00093 
00095 
00099   vtkSetMacro(UseExistingSearchStructure,int);
00100   vtkGetMacro(UseExistingSearchStructure,int);
00101   vtkBooleanMacro(UseExistingSearchStructure,int);
00103 
00105 
00107   virtual int IntersectWithLine(
00108     double a0[3], double a1[3], double tol,
00109     double& t, double x[3], double pcoords[3],
00110     int &subId);
00112 
00114 
00116   virtual int IntersectWithLine(
00117     double a0[3], double a1[3], double tol,
00118     double& t, double x[3], double pcoords[3],
00119     int &subId, vtkIdType &cellId);
00121 
00123 
00126   virtual int IntersectWithLine(
00127     double a0[3], double a1[3], double tol,
00128     double& t, double x[3], double pcoords[3],
00129     int &subId, vtkIdType &cellId,
00130     vtkGenericCell *cell);
00132 
00134 
00143   virtual int IntersectWithLine(
00144     const double a0[3], const double a1[3],
00145     vtkPoints *points, vtkIdList *cellIds);
00147 
00149 
00152   virtual void FindClosestPoint(
00153     double x[3], double closestPoint[3],
00154     vtkIdType &cellId, int &subId, double& dist2);
00156   
00158 
00167   virtual void FindClosestPoint(
00168     double x[3], double closestPoint[3],
00169     vtkGenericCell *cell, vtkIdType &cellId, 
00170     int &subId, double& dist2);
00172   
00174 
00180   virtual vtkIdType FindClosestPointWithinRadius(
00181     double x[3], double radius,
00182     double closestPoint[3], vtkIdType &cellId,
00183     int &subId, double& dist2);
00185  
00187 
00200   virtual vtkIdType FindClosestPointWithinRadius(
00201     double x[3], double radius,
00202     double closestPoint[3],
00203     vtkGenericCell *cell, vtkIdType &cellId,
00204     int &subId, double& dist2);
00206 
00208 
00223   virtual vtkIdType FindClosestPointWithinRadius(
00224     double x[3], double radius,
00225     double closestPoint[3],
00226     vtkGenericCell *cell, vtkIdType &cellId,
00227     int &subId, double& dist2, int &inside);
00229   
00233   virtual void FindCellsWithinBounds(double *bbox, vtkIdList *cells);
00234 
00236 
00241   virtual void FindCellsAlongLine(
00242     double p1[3], double p2[3], double tolerance, vtkIdList *cells);
00244   
00247   virtual vtkIdType FindCell(double x[3]);
00248 
00250 
00253   virtual vtkIdType FindCell(
00254     double x[3], double tol2, vtkGenericCell *GenCell, 
00255     double pcoords[3], double *weights);
00257 
00261   virtual bool InsideCellBounds(double x[3], vtkIdType cell_ID);
00262 
00263 protected:
00264    vtkAbstractCellLocator();
00265   ~vtkAbstractCellLocator();
00266 
00268 
00273   virtual bool StoreCellBounds();
00274   virtual void FreeCellBounds();
00276 
00277   int NumberOfCellsPerNode;
00278   int RetainCellLists;
00279   int CacheCellBounds;
00280   int LazyEvaluation;
00281   int UseExistingSearchStructure;
00282   vtkGenericCell *GenericCell;
00283 //BTX - begin tcl exclude
00284   double (*CellBounds)[6];
00285 //ETX - end tcl exclude
00286 
00287 private:
00288   vtkAbstractCellLocator(const vtkAbstractCellLocator&);  // Not implemented.
00289   void operator=(const vtkAbstractCellLocator&);  // Not implemented.
00290 };
00291 
00292 #endif
00293 
00294 

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