I recommend using automatic aggregation of edgeData on the relevant edges using edgeData attributes 'edges' and 'aggregate="true"'.
Am Mo., 15. Aug. 2022 um 08:49 Uhr schrieb Thenuwan Jayasinghe < [email protected]>: > Dear SUMO users, > > I have been building a traffic simulation for a 17km corridor with the > intention of evaluating different bus priority measures. Even though the > section is 17 km in length, certain bus priority measures (e.g., bus lanes) > can be only used in certain stretches (~5km in length) based on the lane > availability. My intention is to calculate the average speeds of the buses > in these stretches so that I can compare before and after scenarios. > > My current solution is to get the required traffic outputs using Edge > Based Traffic Measures. There I use the ‘vTypes’ attribute to get the > output only for buses. Since there are multiple edges in a stretch in > concern, I later aggregate (group by and then take the mean) the values to > get the ‘average speed’ of the buses in that stretch. > > However, by reading SUMO documentation, I saw that this method is not > encouraged ( > https://sumo.dlr.de/docs/Simulation/Output/Lane-_or_Edge-based_Traffic_Measures.html > ) > > *“…Spatial aggregation (over multiple edges or lanes) is not as easy, > especially if they are consecutive, because each vehicle generates data on > each lane it is on, even if it is on multiple lanes. In the case of many > short and fast-moving vehicles the error is negligible but if you have long > and slow vehicles you cannot aggregate as above…”* > > Appreciate if I could get a suggestion to find a solution to the problem I > have. Have I missed something out / Is there another SUMO output that could > solve the problem I have? > > Thank you in advance, > > Kind regards, > > Thenuwan > _______________________________________________ > sumo-user mailing list > [email protected] > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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