45   mGraph->
addEdge( pt1id, pt2id, prop );
 QgsGraphBuilder(const QgsCoordinateReferenceSystem &crs, bool otfEnabled=true, double topologyTolerance=0.0, const QString &ellipsoidID="WGS84")
Default constructor. 
 
A class to represent a 2D point. 
 
void addEdge(int pt1id, const QgsPointXY &pt1, int pt2id, const QgsPointXY &pt2, const QVector< QVariant > &prop) override
Add edge to the graph. 
 
Determine interface for creating a graph. 
 
~QgsGraphBuilder() override
 
QgsGraph * graph()
Returns generated QgsGraph. 
 
Mathematical graph representation. 
 
int addEdge(int fromVertexIdx, int toVertexIdx, const QVector< QVariant > &strategies)
Add an edge to the graph, going from the fromVertexIdx to toVertexIdx. 
 
void addVertex(int id, const QgsPointXY &pt) override
Add vertex to the graph. 
 
This class represents a coordinate reference system (CRS). 
 
int addVertex(const QgsPointXY &pt)
Add a vertex to the graph.