Graphics/vtkConnectivityFilter.h
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00059 #ifndef __vtkConnectivityFilter_h
00060 #define __vtkConnectivityFilter_h
00061
00062 #include "vtkDataSetToUnstructuredGridFilter.h"
00063
00064 #define VTK_EXTRACT_POINT_SEEDED_REGIONS 1
00065 #define VTK_EXTRACT_CELL_SEEDED_REGIONS 2
00066 #define VTK_EXTRACT_SPECIFIED_REGIONS 3
00067 #define VTK_EXTRACT_LARGEST_REGION 4
00068 #define VTK_EXTRACT_ALL_REGIONS 5
00069 #define VTK_EXTRACT_CLOSEST_POINT_REGION 6
00070
00071 class vtkDataArray;
00072 class vtkFloatArray;
00073 class vtkIdList;
00074 class vtkIntArray;
00075
00076 class VTK_GRAPHICS_EXPORT vtkConnectivityFilter : public vtkDataSetToUnstructuredGridFilter
00077 {
00078 public:
00079 vtkTypeRevisionMacro(vtkConnectivityFilter,vtkDataSetToUnstructuredGridFilter);
00080 void PrintSelf(ostream& os, vtkIndent indent);
00081
00083 static vtkConnectivityFilter *New();
00084
00086
00089 vtkSetMacro(ScalarConnectivity,int);
00090 vtkGetMacro(ScalarConnectivity,int);
00091 vtkBooleanMacro(ScalarConnectivity,int);
00093
00095
00097 vtkSetVector2Macro(ScalarRange,float);
00098 vtkGetVector2Macro(ScalarRange,float);
00100
00102
00103 vtkSetClampMacro(ExtractionMode,int,
00104 VTK_EXTRACT_POINT_SEEDED_REGIONS,VTK_EXTRACT_CLOSEST_POINT_REGION);
00105 vtkGetMacro(ExtractionMode,int);
00106 void SetExtractionModeToPointSeededRegions()
00107 {this->SetExtractionMode(VTK_EXTRACT_POINT_SEEDED_REGIONS);};
00108 void SetExtractionModeToCellSeededRegions()
00109 {this->SetExtractionMode(VTK_EXTRACT_CELL_SEEDED_REGIONS);};
00110 void SetExtractionModeToLargestRegion()
00111 {this->SetExtractionMode(VTK_EXTRACT_LARGEST_REGION);};
00112 void SetExtractionModeToSpecifiedRegions()
00113 {this->SetExtractionMode(VTK_EXTRACT_SPECIFIED_REGIONS);};
00114 void SetExtractionModeToClosestPointRegion()
00115 {this->SetExtractionMode(VTK_EXTRACT_CLOSEST_POINT_REGION);};
00116 void SetExtractionModeToAllRegions()
00117 {this->SetExtractionMode(VTK_EXTRACT_ALL_REGIONS);};
00118 const char *GetExtractionModeAsString();
00120
00122 void InitializeSeedList();
00123
00125 void AddSeed(vtkIdType id);
00126
00128 void DeleteSeed(vtkIdType id);
00129
00131 void InitializeSpecifiedRegionList();
00132
00134 void AddSpecifiedRegion(int id);
00135
00137 void DeleteSpecifiedRegion(int id);
00138
00140
00142 vtkSetVector3Macro(ClosestPoint,float);
00143 vtkGetVectorMacro(ClosestPoint,float,3);
00145
00147 int GetNumberOfExtractedRegions();
00148
00150
00151 vtkSetMacro(ColorRegions,int);
00152 vtkGetMacro(ColorRegions,int);
00153 vtkBooleanMacro(ColorRegions,int);
00155
00156 protected:
00157 vtkConnectivityFilter();
00158 ~vtkConnectivityFilter();
00159
00160
00161 void Execute();
00162
00163 int ColorRegions;
00164 int ExtractionMode;
00165 vtkIdList *Seeds;
00166 vtkIdList *SpecifiedRegionIds;
00167 vtkIntArray *RegionSizes;
00168
00169 float ClosestPoint[3];
00170
00171 int ScalarConnectivity;
00172 float ScalarRange[2];
00173
00174 void TraverseAndMark();
00175
00176 private:
00177
00178 vtkFloatArray *CellScalars;
00179 vtkIdList *NeighborCellPointIds;
00180 vtkIdType *Visited;
00181 vtkIdType *PointMap;
00182 vtkFloatArray *NewScalars;
00183 int RegionNumber;
00184 vtkIdType PointNumber;
00185 int NumCellsInRegion;
00186 vtkDataArray *InScalars;
00187 vtkIdList *Wave;
00188 vtkIdList *Wave2;
00189 vtkIdList *PointIds;
00190 vtkIdList *CellIds;
00191 private:
00192 vtkConnectivityFilter(const vtkConnectivityFilter&);
00193 void operator=(const vtkConnectivityFilter&);
00194 };
00195
00197 inline const char *vtkConnectivityFilter::GetExtractionModeAsString(void)
00198 {
00199 if ( this->ExtractionMode == VTK_EXTRACT_POINT_SEEDED_REGIONS )
00200 {
00201 return "ExtractPointSeededRegions";
00202 }
00203 else if ( this->ExtractionMode == VTK_EXTRACT_CELL_SEEDED_REGIONS )
00204 {
00205 return "ExtractCellSeededRegions";
00206 }
00207 else if ( this->ExtractionMode == VTK_EXTRACT_SPECIFIED_REGIONS )
00208 {
00209 return "ExtractSpecifiedRegions";
00210 }
00211 else if ( this->ExtractionMode == VTK_EXTRACT_ALL_REGIONS )
00212 {
00213 return "ExtractAllRegions";
00214 }
00215 else if ( this->ExtractionMode == VTK_EXTRACT_CLOSEST_POINT_REGION )
00216 {
00217 return "ExtractClosestPointRegion";
00218 }
00219 else
00220 {
00221 return "ExtractLargestRegion";
00222 }
00223 }
00224
00225 #endif
00226
00227