Mathematical graph representation. More...

#include <qgsgraph.h>

Public Member Functions
	QgsGraph ()=default
	Constructor for QgsGraph. More...

int	addEdge (int fromVertexIdx, int toVertexIdx, const QVector< QVariant > &strategies)
	Add an edge to the graph, going from the fromVertexIdx to toVertexIdx. More...

int	addVertex (const QgsPointXY &pt)
	Add a vertex to the graph. More...

const QgsGraphEdge &	edge (int idx) const
	Returns edge at given index. More...

int	edgeCount () const
	Returns number of graph edges. More...

int	findVertex (const QgsPointXY &pt) const
	Find vertex by associated point. More...

const QgsGraphVertex &	vertex (int idx) const
	Returns vertex at given index. More...

int	vertexCount () const
	Returns number of graph vertices. More...

Detailed Description

Mathematical graph representation.

Since: QGIS 3.0

Definition at line 141 of file qgsgraph.h.

Constructor & Destructor Documentation

◆ QgsGraph()

QgsGraph::QgsGraph ( )

default

Constructor for QgsGraph.

Member Function Documentation

◆ addEdge()

int QgsGraph::addEdge	(	int	fromVertexIdx,
		int	toVertexIdx,
		const QVector< QVariant > &	strategies
	)

Add an edge to the graph, going from the fromVertexIdx to toVertexIdx.

Definition at line 29 of file qgsgraph.cpp.

◆ addVertex()

int QgsGraph::addVertex ( const QgsPointXY & pt )

Add a vertex to the graph.

Definition at line 23 of file qgsgraph.cpp.

◆ edge()

const QgsGraphEdge & QgsGraph::edge ( int idx ) const

Returns edge at given index.

Definition at line 50 of file qgsgraph.cpp.

◆ edgeCount()

int QgsGraph::edgeCount ( ) const

Returns number of graph edges.

Definition at line 60 of file qgsgraph.cpp.

◆ findVertex()

int QgsGraph::findVertex ( const QgsPointXY & pt ) const

Find vertex by associated point.

Returns: vertex index

Definition at line 65 of file qgsgraph.cpp.

◆ vertex()

const QgsGraphVertex & QgsGraph::vertex ( int idx ) const

Returns vertex at given index.

Definition at line 45 of file qgsgraph.cpp.

◆ vertexCount()

int QgsGraph::vertexCount ( ) const

Returns number of graph vertices.

Definition at line 55 of file qgsgraph.cpp.

The documentation for this class was generated from the following files:

/tmp/buildd/qgis-3.6.0+99unstable/src/analysis/network/qgsgraph.h
/tmp/buildd/qgis-3.6.0+99unstable/src/analysis/network/qgsgraph.cpp

Public Member Functions