Graphics/vtkConnectivityFilter.h
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00055 #ifndef __vtkConnectivityFilter_h
00056 #define __vtkConnectivityFilter_h
00057
00058 #include "vtkDataSetToUnstructuredGridFilter.h"
00059
00060 #define VTK_EXTRACT_POINT_SEEDED_REGIONS 1
00061 #define VTK_EXTRACT_CELL_SEEDED_REGIONS 2
00062 #define VTK_EXTRACT_SPECIFIED_REGIONS 3
00063 #define VTK_EXTRACT_LARGEST_REGION 4
00064 #define VTK_EXTRACT_ALL_REGIONS 5
00065 #define VTK_EXTRACT_CLOSEST_POINT_REGION 6
00066
00067 class vtkDataArray;
00068 class vtkFloatArray;
00069 class vtkIdList;
00070 class vtkIntArray;
00071
00072 class VTK_GRAPHICS_EXPORT vtkConnectivityFilter : public vtkDataSetToUnstructuredGridFilter
00073 {
00074 public:
00075 vtkTypeRevisionMacro(vtkConnectivityFilter,vtkDataSetToUnstructuredGridFilter);
00076 void PrintSelf(ostream& os, vtkIndent indent);
00077
00079 static vtkConnectivityFilter *New();
00080
00082
00085 vtkSetMacro(ScalarConnectivity,int);
00086 vtkGetMacro(ScalarConnectivity,int);
00087 vtkBooleanMacro(ScalarConnectivity,int);
00089
00091
00093 vtkSetVector2Macro(ScalarRange,double);
00094 vtkGetVector2Macro(ScalarRange,double);
00096
00098
00099 vtkSetClampMacro(ExtractionMode,int,
00100 VTK_EXTRACT_POINT_SEEDED_REGIONS,VTK_EXTRACT_CLOSEST_POINT_REGION);
00101 vtkGetMacro(ExtractionMode,int);
00102 void SetExtractionModeToPointSeededRegions()
00103 {this->SetExtractionMode(VTK_EXTRACT_POINT_SEEDED_REGIONS);};
00104 void SetExtractionModeToCellSeededRegions()
00105 {this->SetExtractionMode(VTK_EXTRACT_CELL_SEEDED_REGIONS);};
00106 void SetExtractionModeToLargestRegion()
00107 {this->SetExtractionMode(VTK_EXTRACT_LARGEST_REGION);};
00108 void SetExtractionModeToSpecifiedRegions()
00109 {this->SetExtractionMode(VTK_EXTRACT_SPECIFIED_REGIONS);};
00110 void SetExtractionModeToClosestPointRegion()
00111 {this->SetExtractionMode(VTK_EXTRACT_CLOSEST_POINT_REGION);};
00112 void SetExtractionModeToAllRegions()
00113 {this->SetExtractionMode(VTK_EXTRACT_ALL_REGIONS);};
00114 const char *GetExtractionModeAsString();
00116
00118 void InitializeSeedList();
00119
00121 void AddSeed(vtkIdType id);
00122
00124 void DeleteSeed(vtkIdType id);
00125
00127 void InitializeSpecifiedRegionList();
00128
00130 void AddSpecifiedRegion(int id);
00131
00133 void DeleteSpecifiedRegion(int id);
00134
00136
00138 vtkSetVector3Macro(ClosestPoint,double);
00139 vtkGetVectorMacro(ClosestPoint,double,3);
00141
00143 int GetNumberOfExtractedRegions();
00144
00146
00147 vtkSetMacro(ColorRegions,int);
00148 vtkGetMacro(ColorRegions,int);
00149 vtkBooleanMacro(ColorRegions,int);
00151
00152 protected:
00153 vtkConnectivityFilter();
00154 ~vtkConnectivityFilter();
00155
00156
00157 void Execute();
00158
00159 int ColorRegions;
00160 int ExtractionMode;
00161 vtkIdList *Seeds;
00162 vtkIdList *SpecifiedRegionIds;
00163 vtkIntArray *RegionSizes;
00164
00165 double ClosestPoint[3];
00166
00167 int ScalarConnectivity;
00168 double ScalarRange[2];
00169
00170 void TraverseAndMark();
00171
00172 private:
00173
00174 vtkFloatArray *CellScalars;
00175 vtkIdList *NeighborCellPointIds;
00176 vtkIdType *Visited;
00177 vtkIdType *PointMap;
00178 vtkFloatArray *NewScalars;
00179 int RegionNumber;
00180 vtkIdType PointNumber;
00181 int NumCellsInRegion;
00182 vtkDataArray *InScalars;
00183 vtkIdList *Wave;
00184 vtkIdList *Wave2;
00185 vtkIdList *PointIds;
00186 vtkIdList *CellIds;
00187 private:
00188 vtkConnectivityFilter(const vtkConnectivityFilter&);
00189 void operator=(const vtkConnectivityFilter&);
00190 };
00191
00193 inline const char *vtkConnectivityFilter::GetExtractionModeAsString(void)
00194 {
00195 if ( this->ExtractionMode == VTK_EXTRACT_POINT_SEEDED_REGIONS )
00196 {
00197 return "ExtractPointSeededRegions";
00198 }
00199 else if ( this->ExtractionMode == VTK_EXTRACT_CELL_SEEDED_REGIONS )
00200 {
00201 return "ExtractCellSeededRegions";
00202 }
00203 else if ( this->ExtractionMode == VTK_EXTRACT_SPECIFIED_REGIONS )
00204 {
00205 return "ExtractSpecifiedRegions";
00206 }
00207 else if ( this->ExtractionMode == VTK_EXTRACT_ALL_REGIONS )
00208 {
00209 return "ExtractAllRegions";
00210 }
00211 else if ( this->ExtractionMode == VTK_EXTRACT_CLOSEST_POINT_REGION )
00212 {
00213 return "ExtractClosestPointRegion";
00214 }
00215 else
00216 {
00217 return "ExtractLargestRegion";
00218 }
00219 }
00220
00221 #endif
00222
00223