Class: QgsNetworkStrategy

class qgis.analysis.QgsNetworkStrategy

Bases: sip.wrapper

Default constructor

QgsNetworkStrategy(QgsNetworkStrategy)

QgsNetworkStrategy defines strategy used for calculation of the edge cost. For example it can take into account travel distance, amount of time or money. Currently there are two strategies implemented in the analysis library: QgsNetworkDistanceStrategy and QgsNetworkSpeedStrategy. QgsNetworkStrategy implemented using “strategy” design pattern.

New in version 3.0: Enums

Methods

cost Returns edge cost
requiredAttributes Returns a list of the source layer attributes needed for cost calculation.

Signals

Attributes

cost(self, distance: float, f: QgsFeature) → Any

Returns edge cost

requiredAttributes(self) → object

Returns a list of the source layer attributes needed for cost calculation. This is method called by QgsGraphDirector.