Re: [sumo-user] density in edge-based output

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

Indeed, the laneDensity computation doesn't distinguish lanes by access restrictions and is computed as density / laneNumber. The value must be interpreted with care in a multi-modal network.

Am Fr., 9. Aug. 2024 um 10:17 Uhr schrieb Soheil Keshavarz via sumo-user <sumo-user@xxxxxxxxxxx>:

Dear SUMO team,

I am experimenting with a network on which many edges have pedestrian lanes. These lanes are included in the number of lanes for those edges. For example, If an edge X goes from A to B with two vehicle lanes, a dedicated bus lane, and one pedestrian lane, the number of lanes shown in netedit will be 4, and edge outputs will show something like: "density= 32 laneDensity=8".

I know it sounds a bit obvious, but I need to double-check how the density is calculated. Is 32 in the example above the density of all users (bus, ped, car), and then laneDensity is simply 32/4? If the simulation only has cars and no transit or pedestrians, will it still show laneDensity of 8 when it should be 16?

Thanks,

Soheil

--

SOHEIL KESHAVARZ (he/him)

Graduate Student | Research Assistant at iUTS Lab

soheil99@xxxxxx  /  washington.edu

Wilson Ceramic Laboratory, floor2

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