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VTK
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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: vtkProjectedTerrainPath.h 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 =========================================================================*/ 00070 #ifndef __vtkProjectedTerrainPath_h 00071 #define __vtkProjectedTerrainPath_h 00072 00073 #include "vtkFiltersHybridModule.h" // For export macro 00074 #include "vtkPolyDataAlgorithm.h" 00075 00076 class vtkPriorityQueue; 00077 class vtkImageData; 00078 class vtkEdgeList; 00079 class vtkPoints; 00080 00081 class VTKFILTERSHYBRID_EXPORT vtkProjectedTerrainPath : public vtkPolyDataAlgorithm 00082 { 00083 public: 00085 00086 vtkTypeMacro(vtkProjectedTerrainPath,vtkPolyDataAlgorithm); 00087 void PrintSelf(ostream& os, vtkIndent indent); 00089 00091 static vtkProjectedTerrainPath* New(); 00092 00094 00098 void SetSourceData(vtkImageData *source); 00099 vtkImageData *GetSource(); 00101 00104 void SetSourceConnection(vtkAlgorithmOutput* algOutput); 00105 00106 //BTX 00107 enum {SIMPLE_PROJECTION=0,NONOCCLUDED_PROJECTION,HUG_PROJECTION}; 00108 //ETX 00109 00111 00117 vtkSetClampMacro(ProjectionMode,int,SIMPLE_PROJECTION,HUG_PROJECTION); 00118 vtkGetMacro(ProjectionMode,int); 00119 void SetProjectionModeToSimple() 00120 {this->SetProjectionMode(SIMPLE_PROJECTION);} 00121 void SetProjectionModeToNonOccluded() 00122 {this->SetProjectionMode(NONOCCLUDED_PROJECTION);} 00123 void SetProjectionModeToHug() 00124 {this->SetProjectionMode(HUG_PROJECTION);} 00126 00128 00131 vtkSetMacro(HeightOffset,double); 00132 vtkGetMacro(HeightOffset,double); 00134 00136 00139 vtkSetClampMacro(HeightTolerance,double,0.0,VTK_FLOAT_MAX); 00140 vtkGetMacro(HeightTolerance,double); 00142 00144 00147 vtkSetClampMacro(MaximumNumberOfLines,vtkIdType,1,VTK_ID_MAX); 00148 vtkGetMacro(MaximumNumberOfLines,vtkIdType); 00150 00151 protected: 00152 vtkProjectedTerrainPath(); 00153 ~vtkProjectedTerrainPath(); 00154 00155 virtual int RequestData(vtkInformation *, vtkInformationVector **, 00156 vtkInformationVector *); 00157 virtual int FillInputPortInformation(int port, vtkInformation *info); 00158 00159 // Supporting methods 00160 void GetImageIndex(double x[3], double loc[2], int ij[2]); 00161 double GetHeight(double loc[2], int ij[2]); 00162 void ComputeError(vtkIdType edgeId); 00163 void RemoveOcclusions(); 00164 void HugTerrain(); 00165 void SplitEdge(vtkIdType eId, double t); 00166 00167 //ivars that the API addresses 00168 int ProjectionMode; 00169 double HeightOffset; 00170 double HeightTolerance; 00171 vtkIdType MaximumNumberOfLines; 00172 00173 //Bookeeping arrays 00174 int Dimensions[3]; 00175 int Extent[6]; 00176 double Origin[3]; 00177 double Spacing[3]; 00178 vtkDataArray *Heights; 00179 vtkPoints *Points; 00180 vtkIdType NumLines; 00181 00182 //Errors above/below terrain. In both instances, negative values are 00183 //inserted because the priority queue puts smallest values on top. 00184 vtkPriorityQueue *PositiveLineError; //errors above terrain 00185 vtkPriorityQueue *NegativeLineError; //errors below terrain 00186 00187 //This is a PIMPL'd vector representing edges 00188 vtkEdgeList *EdgeList; 00189 00190 private: 00191 vtkProjectedTerrainPath(const vtkProjectedTerrainPath&); // Not implemented. 00192 void operator=(const vtkProjectedTerrainPath&); // Not implemented. 00193 00194 }; 00195 00196 #endif
1.8.0