QgsNetworkSpeedStrategy Class Reference

Strategy for calculating edge cost based on travel time. More...

#include <qgsnetworkspeedstrategy.h>

Inheritance diagram for QgsNetworkSpeedStrategy:

Public Member Functions
	QgsNetworkSpeedStrategy (int attributeId, double defaultValue, double toMetricFactor)
	Default constructor. More...
QVariant	cost (double distance, const QgsFeature &f) const override
	Returns edge cost. More...
QSet< int >	requiredAttributes () const override
	Returns a list of the source layer attributes needed for cost calculation. More...
Public Member Functions inherited from QgsNetworkStrategy
	QgsNetworkStrategy ()=default
	Default constructor. More...
virtual	~QgsNetworkStrategy ()=default

Detailed Description

Strategy for calculating edge cost based on travel time.

Should be used for finding fastest path between two points.

Since

QGIS 3.0

Definition at line 29 of file qgsnetworkspeedstrategy.h.

Constructor & Destructor Documentation

QgsNetworkSpeedStrategy()

QgsNetworkSpeedStrategy::QgsNetworkSpeedStrategy	(	int	attributeId,
		double	defaultValue,
		double	toMetricFactor
	)

Default constructor.

Definition at line 18 of file qgsnetworkspeedstrategy.cpp.

Member Function Documentation

cost()

QVariant QgsNetworkSpeedStrategy::cost ( double  distance, const QgsFeature &  f  ) const

overridevirtual

Returns edge cost.

Implements QgsNetworkStrategy.

Definition at line 25 of file qgsnetworkspeedstrategy.cpp.

requiredAttributes()

QSet< int > QgsNetworkSpeedStrategy::requiredAttributes ( ) const

overridevirtual

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

This is method called by QgsGraphDirector.

Reimplemented from QgsNetworkStrategy.

Definition at line 39 of file qgsnetworkspeedstrategy.cpp.

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

• /build/qgis-3.10.0+15buster/src/analysis/network/qgsnetworkspeedstrategy.h
• /build/qgis-3.10.0+15buster/src/analysis/network/qgsnetworkspeedstrategy.cpp