17 #ifndef TRIDECORATOR_H 18 #define TRIDECORATOR_H 22 #include "qgis_analysis.h" 51 double getXMax()
const override;
52 double getXMin()
const override;
53 double getYMax()
const override;
54 double getYMin()
const override;
63 bool swapEdge(
double x,
double y )
override;
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.
virtual void addTriangulation(Triangulation *t)
Adds an association to a triangulation.
virtual double getYMax() const =0
Returns the largest y-coordinate value of the bounding box.
Triangulation * mTIN
Association with a Triangulation object.
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 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)
SourceType
Describes the type of input data.
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...
virtual QgsPoint * getPoint(int i) const =0
Returns a pointer to the point with number i. Any virtual points must have the number -1...
Class Vector3D represents a 3D-Vector, capable to store x-,y- and z-coordinates in double values...
This is an interface for interpolator classes for triangulations.
virtual int getNumberOfPoints() const =0
Returns the number of points.
virtual void setForcedEdgeColor(int r, int g, int b)=0
Sets the color of the forced edges.
virtual bool getTriangle(double x, double y, QgsPoint &p1, int &n1, QgsPoint &p2, int &n2, QgsPoint &p3, int &n3)=0
Finds out in which triangle the point with coordinates x and y is and assigns the numbers of the vert...
Interface for Triangulation classes.
Point geometry type, with support for z-dimension and m-values.
virtual int addPoint(const QgsPoint &point)=0
Adds a point to the triangulation.
virtual double getXMin() const =0
Returns the smallest x-coordinate value of the bounding box.
Decorator class for Triangulations (s.
TriDecorator()=default
Constructor for TriDecorator.
virtual bool calcNormal(double x, double y, Vector3D *result)=0
Calculates the normal at a point on the surface and assigns it to 'result'.
virtual QList< int > getSurroundingTriangles(int pointno)=0
Returns a pointer to a value list with the information of the triangles surrounding (counterclockwise...
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 void setForcedCrossBehavior(Triangulation::ForcedCrossBehavior b)=0
Draws the points, edges and the forced lines.
virtual double getYMin() const =0
Returns the smallest x-coordinate value of the bounding box.
virtual void addLine(const QVector< QgsPoint > &points, QgsInterpolator::SourceType lineType)=0
Adds a line (e.g.
virtual void eliminateHorizontalTriangles()=0
Eliminates the horizontal triangles by swapping.
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...
ForcedCrossBehavior
Enumeration describing the behavior, if two forced lines cross.
virtual bool calcPoint(double x, double y, QgsPoint &result)=0
Calculates x-, y and z-value of the point on the surface and assigns it to 'result'.
virtual void setTriangleInterpolator(TriangleInterpolator *interpolator)=0
Sets an interpolator object.