Hello, there is nothing that would give aggregated traffic data around a moving observer. However, you can get disaggregated data in these ways - post-simulation output: --fcd-output with option --device.fcd.radius (only observer should be equipped with an fcd device) - online retrieval: traci.vehicle.subscribeContext https://sumo.dlr.de/docs/TraCI/Interfacing_TraCI_from_Python.html#context_subscriptions - post simulation output if only a portion of the fleet should be observable: https://sumo.dlr.de/docs/Simulation/Bluetooth.html
regards, Jakob Am Di., 6. Okt. 2020 um 00:26 Uhr schrieb Hao Zhou <[email protected]>: > Hi SUMO community, > > I'm interested in an efficient, real-time method to retrieve aggregated > traffic measures around a moving observer. The fixed detectors are not very > handy because I want to know the densities (or speed) at the upstream and > downstream of a moving observer (car), as shown by the figure below. Those > aggregated info are ideally meaured in road cells with lengths between > 30m~60m. > > Anyone can share some neat ideas? > > Thank you in advance, > > Hao Zhou, > Georgia Tech > [image: moving observer.png] > _______________________________________________ > sumo-user mailing list > [email protected] > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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