|  | VTK
    9.0.1
    | 
 
 
 
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   67 #ifndef vtkGreedyTerrainDecimation_h 
   68 #define vtkGreedyTerrainDecimation_h 
   70 #include "vtkFiltersHybridModule.h"  
   81 class vtkGreedyTerrainDecimationTerrainInfoType;
 
   82 class vtkGreedyTerrainDecimationPointInfoType;
 
   84 #define VTK_ERROR_NUMBER_OF_TRIANGLES 0 
   85 #define VTK_ERROR_SPECIFIED_REDUCTION 1 
   86 #define VTK_ERROR_ABSOLUTE 2 
   87 #define VTK_ERROR_RELATIVE 3 
  108   vtkGetMacro(ErrorMeasure, 
int);
 
  129   vtkGetMacro(NumberOfTriangles, 
vtkIdType);
 
  138   vtkSetClampMacro(Reduction, 
double, 0.0, 1.0);
 
  139   vtkGetMacro(Reduction, 
double);
 
  149   vtkGetMacro(AbsoluteError, 
double);
 
  160   vtkGetMacro(RelativeError, 
double);
 
  170   vtkBooleanMacro(BoundaryVertexDeletion, 
vtkTypeBool);
 
  191   void ComputePointNormal(
int i, 
int j, 
float n[3]);
 
  225   virtual int SatisfiesErrorMeasure(
double error);
 
  228   void InsertBoundaryVertices();
 
  237   void GetTerrainPoint(
int i, 
int j, 
double x[3]);
 
  238   void ComputeImageCoordinates(
vtkIdType inputPtId, 
int ij[2]);
 
  239   int InCircle(
double x[3], 
double x1[3], 
double x2[3], 
double x3[3]);
 
  244   void UpdateTriangles(
vtkIdType meshPtId); 
 
  246   void UpdateTriangle(
vtkIdType triId, 
int ij1[2], 
int ij2[2], 
int ij3[2], 
double h[4]);
 
  248   int CharacterizeTriangle(
int ij1[2], 
int ij2[2], 
int ij[3], 
int*& min, 
int*& 
max, 
int*& midL,
 
  249     int*& midR, 
int*& mid, 
int mid2[2], 
double h[3], 
double& hMin, 
double& hMax, 
double& hL,
 
  
vtkGreedyTerrainDecimationPointInfoType * PointInfo
void SetErrorMeasureToNumberOfTriangles()
vtkIdType NumberOfTriangles
represent and manipulate point attribute data
dynamic, self-adjusting array of float
a list of ids arranged in priority order
#define VTK_ERROR_ABSOLUTE
abstract superclass for arrays of numeric data
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void SetErrorMeasureToAbsoluteError()
void GetPoint(const int i, const int j, const int k, double pnt[3])
vtkIdType MaximumNumberOfTriangles
vtkTypeBool BoundaryVertexDeletion
reduce height field (represented as image) to reduced TIN
virtual int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
This is called by the superclass.
vtkPriorityQueue * TerrainError
a simple class to control print indentation
list of point or cell ids
vtkGreedyTerrainDecimationTerrainInfoType * TerrainInfo
int FillInputPortInformation(int port, vtkInformation *info) override
Fill the input port information objects for this algorithm.
vtkTypeBool ComputeNormals
void SetErrorMeasureToSpecifiedReduction()
concrete dataset represents vertices, lines, polygons, and triangle strips
void SetErrorMeasureToRelativeError()
dynamic, self-adjusting array of double
#define VTK_ERROR_NUMBER_OF_TRIANGLES
static vtkPolyDataAlgorithm * New()
#define VTK_ERROR_RELATIVE
Superclass for algorithms that produce only polydata as output.
#define VTK_ERROR_SPECIFIED_REDUCTION