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()
|
overridevirtual |
Returns edge cost.
Implements QgsNetworkStrategy.
Definition at line 25 of file qgsnetworkspeedstrategy.cpp.
◆ requiredAttributes()
|
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.
The documentation for this class was generated from the following files:
- /tmp/buildd/qgis-3.8.0+99unstable/src/analysis/network/qgsnetworkspeedstrategy.h
- /tmp/buildd/qgis-3.8.0+99unstable/src/analysis/network/qgsnetworkspeedstrategy.cpp
