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70 #ifndef vtkGreedyTerrainDecimation_h
71 #define vtkGreedyTerrainDecimation_h
73 #include "vtkFiltersHybridModule.h"
84 class vtkGreedyTerrainDecimationTerrainInfoType;
85 class vtkGreedyTerrainDecimationPointInfoType;
87 #define VTK_ERROR_NUMBER_OF_TRIANGLES 0
88 #define VTK_ERROR_SPECIFIED_REDUCTION 1
89 #define VTK_ERROR_ABSOLUTE 2
90 #define VTK_ERROR_RELATIVE 3
111 vtkGetMacro(ErrorMeasure,
int);
130 vtkGetMacro(NumberOfTriangles,
vtkIdType);
139 vtkSetClampMacro(Reduction,
double,0.0,1.0);
140 vtkGetMacro(Reduction,
double);
150 vtkGetMacro(AbsoluteError,
double);
161 vtkGetMacro(RelativeError,
double);
171 vtkBooleanMacro(BoundaryVertexDeletion,
vtkTypeBool);
192 void ComputePointNormal(
int i,
int j,
float n[3]);
226 virtual int SatisfiesErrorMeasure(
double error);
229 void InsertBoundaryVertices();
238 void GetTerrainPoint(
int i,
int j,
double x[3]);
239 void ComputeImageCoordinates(
vtkIdType inputPtId,
int ij[2]);
240 int InCircle (
double x[3],
double x1[3],
double x2[3],
double x3[3]);
246 void UpdateTriangles(
vtkIdType meshPtId);
248 void UpdateTriangle(
vtkIdType triId,
int ij1[2],
int ij2[2],
int ij3[2],
double h[4]);
250 int CharacterizeTriangle(
int ij1[2],
int ij2[2],
int ij[3],
251 int* &min,
int* &
max,
int* &midL,
int* &midR,
252 int* &mid,
int mid2[2],
double h[3],
double &hMin,
double &hMax,
253 double &hL,
double &hR);
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