16 #ifndef QGSEDGEPROPERTERH    17 #define QGSEDGEPROPERTERH    58 #endif //QGSEDGEPROPERTYH 
virtual QVariant property(double distance, const QgsFeature &f) const
calculate and return adge property 
 
The feature class encapsulates a single feature including its id, geometry and a list of field/values...
 
QList< int > QgsAttributeList
 
virtual ~QgsArcProperter()
 
QgsArcProperter is a strategy pattern. 
 
QgsArcProperter()
default constructor 
 
virtual QgsAttributeList requiredAttributes() const
QgsGraphDirector call this method for fetching attribute from source layer.