QGIS API Documentation  2.18.21-Las Palmas (9fba24a)
TriDecorator.h
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1 /***************************************************************************
2  TriDecorator.h - description
3  -------------------
4  copyright : (C) 2004 by Marco Hugentobler
5  email : [email protected]
6  ***************************************************************************/
7
8 /***************************************************************************
9  * *
10  * This program is free software; you can redistribute it and/or modify *
12  * the Free Software Foundation; either version 2 of the License, or *
13  * (at your option) any later version. *
14  * *
15  ***************************************************************************/
16
17 #ifndef TRIDECORATOR_H
18 #define TRIDECORATOR_H
19
20 #include "Triangulation.h"
21
24 class ANALYSIS_EXPORT TriDecorator : public Triangulation
25 {
26  public:
27  TriDecorator();
28  explicit TriDecorator( Triangulation* t );
29  virtual ~TriDecorator();
30  virtual void addLine( Line3D* line, bool breakline ) override;
31  virtual int addPoint( Point3D* p ) override;
33  virtual void addTriangulation( Triangulation* t );
35  virtual void performConsistencyTest() override;
36  virtual bool calcNormal( double x, double y, Vector3D* result ) override;
37  virtual bool calcPoint( double x, double y, Point3D* result ) override;
38  virtual Point3D* getPoint( unsigned int i ) const override;
39  virtual int getNumberOfPoints() const override;
40  bool getTriangle( double x, double y, Point3D* p1, int* n1, Point3D* p2, int* n2, Point3D* p3, int* n3 ) override;
41  bool getTriangle( double x, double y, Point3D* p1, Point3D* p2, Point3D* p3 ) override;
42  virtual int getOppositePoint( int p1, int p2 ) override;
43  virtual QList<int>* getSurroundingTriangles( int pointno ) override;
44  virtual double getXMax() const override;
45  virtual double getXMin() const override;
46  virtual double getYMax() const override;
47  virtual double getYMin() const override;
49  virtual void setEdgeColor( int r, int g, int b ) override;
50  virtual void setForcedEdgeColor( int r, int g, int b ) override;
51  virtual void setBreakEdgeColor( int r, int g, int b ) override;
52  virtual void setTriangleInterpolator( TriangleInterpolator* interpolator ) override;
53  virtual void eliminateHorizontalTriangles() override;
54  virtual void ruppertRefinement() override;
55  virtual bool pointInside( double x, double y ) override;
56  virtual bool swapEdge( double x, double y ) override;
57  virtual QList<int>* getPointsAroundEdge( double x, double y ) override;
58  protected:
61 };
62
63 inline TriDecorator::TriDecorator(): mTIN( nullptr )
64 {
65
66 }
67
69 {
70
71 }
72
74 {
75
76 }
77
79 {
80  mTIN = t;
81 }
82
83 #endif
84
Adds a point to the triangulation Ownership is transferred to this class.
virtual bool swapEdge(double x, double y)=0
Reads the content of a taff-file.
virtual void setBreakEdgeColor(int r, int g, int b)=0
Sets the color of the breaklines.
Adds an association to a triangulation.
Definition: TriDecorator.h:78
virtual double getYMax() const =0
Returns the largest y-coordinate value of the bounding box.
Triangulation * mTIN
Association with a Triangulation object.
Definition: TriDecorator.h:60
virtual void setEdgeColor(int r, int g, int b)=0
Sets the color of the normal edges.
virtual double getXMax() const =0
Returns the largest x-coordinate value of the bounding box.
virtual bool calcPoint(double x, double y, Point3D *result)=0
Calculates x-, y and z-value of the point on the surface and assigns it to &#39;result&#39;.
virtual void performConsistencyTest()=0
Performs a consistency check, remove this later.
virtual void ruppertRefinement()=0
Adds points to make the triangles better shaped (algorithm of ruppert)
This class represents a line.
Definition: Line3D.h:25
forcedCrossBehaviour
Enumeration describing the behaviour, if two forced lines cross.
Definition: Triangulation.h:32
virtual bool pointInside(double x, double y)=0
Returns true, if the point with coordinates x and y is inside the convex hull and false otherwise...
Point3D is a class to represent a three dimensional point.
Definition: Point3D.h:24
Class Vector3D represents a 3D-Vector, capable to store x-,y- and z-coordinates in double values...
Definition: Vector3D.h:28
This is an interface for interpolator classes for triangulations.
virtual QList< int > * getSurroundingTriangles(int pointno)=0
Returns a pointer to a value list with the information of the triangles surrounding (counterclockwise...
virtual int getNumberOfPoints() const =0
Returns the number of points.
virtual void addLine(Line3D *line, bool breakline)=0
virtual void setForcedEdgeColor(int r, int g, int b)=0
Sets the color of the forced edges.
Interface for Triangulation classes.
Definition: Triangulation.h:28
virtual void setForcedCrossBehaviour(Triangulation::forcedCrossBehaviour b)=0
Draws the points, edges and the forced lines.
virtual double getXMin() const =0
Returns the smallest x-coordinate value of the bounding box.
Decorator class for Triangulations (s.
Definition: TriDecorator.h:24
virtual bool calcNormal(double x, double y, Vector3D *result)=0
Calculates the normal at a point on the surface and assigns it to &#39;result&#39;.
virtual bool getTriangle(double x, double y, Point3D *p1, int *n1, Point3D *p2, int *n2, Point3D *p3, int *n3)=0
Finds out in which triangle the point with coordinates x and y is and assigns the numbers of the vert...
virtual QList< int > * getPointsAroundEdge(double x, double y)=0
Returns a value list with the numbers of the four points, which would be affected by an edge swap...
virtual double getYMin() const =0
Returns the smallest x-coordinate value of the bounding box.
virtual void eliminateHorizontalTriangles()=0
Eliminates the horizontal triangles by swapping.
virtual Point3D * getPoint(unsigned int i) const =0
Returns a pointer to the point with number i.
virtual ~TriDecorator()
Definition: TriDecorator.h:73
virtual int getOppositePoint(int p1, int p2)=0
Returns the number of the point opposite to the triangle points p1, p2 (which have to be on a halfedg...
virtual void setTriangleInterpolator(TriangleInterpolator *interpolator)=0
Sets an interpolator object.