QGIS API Documentation
3.14.0-Pi (9f7028fd23)
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Strategy for calculating edge cost based on travel time. Should be used for finding fastest path between two points. More...
#include <qgsnetworkspeedstrategy.h>
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... | |
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QgsNetworkStrategy ()=default | |
Default constructor. More... | |
virtual | ~QgsNetworkStrategy ()=default |
Strategy for calculating edge cost based on travel time. Should be used for finding fastest path between two points.
Definition at line 29 of file qgsnetworkspeedstrategy.h.
QgsNetworkSpeedStrategy::QgsNetworkSpeedStrategy | ( | int | attributeId, |
double | defaultValue, | ||
double | toMetricFactor | ||
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Default constructor.
Definition at line 18 of file qgsnetworkspeedstrategy.cpp.
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overridevirtual |
Returns edge cost.
Implements QgsNetworkStrategy.
Definition at line 25 of file qgsnetworkspeedstrategy.cpp.
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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.