QGIS API Documentation
2.18.21-Las Palmas (9fba24a)
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Mathematics graph representation. More...
#include <qgsgraph.h>
Public Member Functions | |
QgsGraph () | |
int | addArc (int outVertexIdx, int inVertexIdx, const QVector< QVariant > &properties) |
add edge to a graph More... | |
int | addVertex (const QgsPoint &pt) |
add vertex to a grap More... | |
const QgsGraphArc & | arc (int idx) const |
return edge at index More... | |
int | arcCount () const |
return edge count More... | |
int | findVertex (const QgsPoint &pt) const |
find vertex by point More... | |
const QgsGraphVertex & | vertex (int idx) const |
return vertex at index More... | |
int | vertexCount () const |
return vertex count More... | |
Mathematics graph representation.
Definition at line 131 of file qgsgraph.h.
QgsGraph::QgsGraph | ( | ) |
Definition at line 19 of file qgsgraph.cpp.
add edge to a graph
Definition at line 29 of file qgsgraph.cpp.
int QgsGraph::addVertex | ( | const QgsPoint & | pt | ) |
add vertex to a grap
Definition at line 23 of file qgsgraph.cpp.
const QgsGraphArc & QgsGraph::arc | ( | int | idx | ) | const |
return edge at index
Definition at line 50 of file qgsgraph.cpp.
int QgsGraph::arcCount | ( | ) | const |
return edge count
Definition at line 60 of file qgsgraph.cpp.
int QgsGraph::findVertex | ( | const QgsPoint & | pt | ) | const |
const QgsGraphVertex & QgsGraph::vertex | ( | int | idx | ) | const |
return vertex at index
Definition at line 45 of file qgsgraph.cpp.
int QgsGraph::vertexCount | ( | ) | const |
return vertex count
Definition at line 55 of file qgsgraph.cpp.