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Re: [sumo-user] Converting long edges to short edges with a desired specific length
Thank you very much, Mirko and Jakob! 

It worked amazingly when implemented on simple networks that I have created myself :)

When I try to implement it on a network originated from OSM it starts to be more challenging as such a network already has numerous geometry nodes (due to the natural curves of the roads). So the edges are already too short for the "geometry.max-segment-length" command and "geometry.split" command generates a lot of junctions mainly due to the original geometry nodes of the OSM network. 

Is there a creative way to deal with that case as well?


Regards, Dvir

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‫בתאריך שבת, 25 ביוני 2022 ב-15:02 מאת ‪Jakob Erdmann‬‏ <‪namdre.sumo@xxxxxxxxx‬‏>:‬
you can combine option --geometry.max-segment-length 200  --geometry.split to create new edges that have a length of 200m (assuming that the original edge lengths are a multiple of 200m)

Am Sa., 25. Juni 2022 um 13:48 Uhr schrieb Mirko Barthauer <m.barthauer@xxxxxxxxxxx>:

Hi Dvir,

some comments on that:

  • You tried some part of sumopy, which is a third-party contributed tool to work with sumo. The original netconvert application can be found in the bin folder of your SUMO installation and does indeed change the edge geometry when supplied with the parameter "geometry.max-segment-length". It does not create new edges though, it just updates the geometry within every edge.
  • There are issues with sumopy regarding Python3.
  • When you overwrite the length attribute of an edge in netedit, the given length is used for computations in SUMO but the displayed geometry will stay the same.
  • You can set the coordinates of junctions by setting their pos attribute in the netedit inspect mode. The length of the edge connecting two neighbouring junctions will be updated accordingly.

Best regard
Mirko

Am 25.06.2022 um 13:19 schrieb dvir n:

Hello, 

I have a simple network which consists of several long edges. I would be happy to divide them to exact 200 meters short edges. 

I have tried to use the "netconvert" tool with the "geometry.max-segment-length" command, however it didn't work. First it showed me that the code lacks parentheses in several places and after I fixed the code it showed me that "no module named 'agilepy' " (I have read in some past  discussions that this code had some bugs in old versions).
I didn't succeed to download and install that module and I guess (have read on the internet) that this module doesn't work in Windows 10. Also i don't know if success in installing "agilepy" module will finally make the code working.

I know that there is an option to draw the edges via netedit, however, it seems to be not an accurate tool as it is difficult to draw an exact 200 meters edge.
Also I have tried to draw a not accurate edge by netedit and after that to edit its length by the tools bar on the left of the screen. But still, I didn't see a visual change of the edge's length...

Does somebody have a solution for that?

Thanks in advance, Dvir

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