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Re: [sumo-user] converted shape file to sumo network file

In OSM, the roundabout is modeled as a closed loop. Edges that loop back on itself are not supported by SUMO (hence the error message for edge '24').
If you convert the OSM with netconvert option --osm-files, such loops are split automatically to ensure correct import.

Am Do., 10. März 2022 um 10:49 Uhr schrieb Jakob Erdmann <namdre.sumo@xxxxxxxxx>:
The recommended way for converting OSM data to a .net.xml file is by importing the OSM data directly (
Is there a strong reason for converting to a shape file as an intermediate step?

Am Do., 10. März 2022 um 10:37 Uhr schrieb nassim adane via sumo-user <sumo-user@xxxxxxxxxxx>:

Dears Colleagues,


I am a beginner in the use of the SUMO software. I am trying to convert a Shape file to a sumo network file from NETCONVERT.


I have a Shape file obtained from an OSM (Open Street Map)  file containing the ring of a gyratory. When I have done the     conversion by NETCONVERT of the Shape file into a sumo   network file, the operation works except that once the conversion is done and by opening the sumo network file  obtained the ring of the gyratory does not appear. I tried to  solve the problem but I couldn't succeed, thank you for your  help. I attach:


-The Error Message,


Image en ligne

-The project Shape file,(Atteched).


-The SUMO network file obtained after converting the Shape file to CONVERT,(Atteched).


Without Ring Sincerely


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