Re: [sumo-user] Edges with bi-directional lanes

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

For a 4-arm intersection with cars travelling in each of the cardinal direciton you need 8 edges. See https://sumo.dlr.de/docs/Tutorials/quick_start.html

Am Do., 11. Feb. 2021 um 21:57 Uhr schrieb Hriday Sanghvi <sanghvih@xxxxxx>:

Hello Lara,

Thank you for the reply. So what is implied is that creating an edge with 2 lanes, but each lane having vehicles travelling in the opposite direction, isn't possible unless the lane is of a specific type?

Thank you.

Sincerely,

Hriday.

On Thu 11 Feb 2021, 20:53 Lara Codeca, <lara.codeca@xxxxxxxxx> wrote:

Hi Hriday,

the link you sent (https://sumo.dlr.de/docs/Networks/PlainXML.html#neighboring_opposite-direction_lanes) is used to allow drifting on the opposite lane, not to build a lane in the opposite direction.

In SUMO, edges are directional. You can see it in their definition, from node to node, and that gives the direction.

There are only a few specific lanes that are bidirectional, like railways, for example.

Regards,

Lara

On Thu, Feb 11, 2021 at 6:49 PM Hriday Sanghvi <sanghvih@xxxxxx> wrote:

Hello,

I am trying to create a network one junction at the center and four edges branching out from there in cardinal directions. But I need all these edges to have 2 lanes, each lane allowing the passage of vehicles in the opposite direction.

I have referred to https://sumo.dlr.de/docs/Networks/PlainXML.html#neighboring_opposite-direction_lanes and tried to do it myself but it seemingly creates a new EDGE that acts as the opposite-direction lane instead. 

You may notice the gaps between the edges that are supposed to be "neighbouring lanes". 

The closes image I found to what I am trying to achieve is as given:

Note how the blue and orange car are facing. Assuming the blue car travels straight upwards instead of right. Is it possible to get such a edge with two lanes(bidirectional)

--

Hriday

https://www.linkedin.com/in/hriday-sanghvi/

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