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Re: [sumo-user] Weight file for SUMO
Oh yes! It worked after adding the -c. Thank you so much for your help!

Marjerie Suresh

On Thu, 20 Feb, 2020, 01:26 Harald Schaefer, <fechsaer@xxxxxxxxx> wrote:

Have you tried

sumo-gui -c map.sumo.cfg --weight-files weight.add.xml

with -c Option

Greetings, Harald

Am 19.02.20 um 19:27 schrieb Marjerie Suresh:
I have generated the weight file as per the format and saved it as weight.add.xml. When I run the command "sumo-gui map.sumo.cfg --weight-files weight.add.xml", the gui isn't opening. I also tried adding weight.add.xml as an additional file in the sumo.cfg file and the following error is generated - "Loading of additional-files failed". It would be extremely helpful to know how and when to add the weight file to the sumo simulation.
Thanking you in advance
Marjerie Suresh
ᐧ

On Wed, Feb 19, 2020 at 11:06 AM Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:
1) If you have your weights in a suitable csv file, you can use sumo/tools/xml/csv2xml.py. Alternatively, write a small script that generates the weight file (-:
2) You need to set weights for all sumo edges. If you build your network with the option --output.original-names, then every edge will have a parameter that holds the original OSM id. This helps automation via the python library sumo/tools/sumolib. See https://sumo.dlr.de/docs/Tools/Sumolib.html

regards,
Jakob

Am Mi., 19. Feb. 2020 um 05:41 Uhr schrieb Marjerie Suresh <marji1998@xxxxxxxxx>:
Thank you for responding. Based on your answer, I have a few follow up questions regarding the weight file.

1) The network I use is very large and hence it is tedious to manually set weights to every edge. Is there a way to automate this?

2) There are edges IDs which are divided based on the presence of junctions etc. That is, as 213736#2, 213736#3, 213736#4 etc. Should the weight be given to all of them or is it enough to give to ID 213736 alone? 

Thanking you
Marjerie Suresh


On Wed, 19 Feb, 2020, 00:57 Jakob Erdmann, <namdre.sumo@xxxxxxxxx> wrote:
However, you only need to set 'id' and 'traveltime'. If you want to route by effort (independent of traveltime) you currently have to write your values into one of the emission attributes.
2) Extension does not matter
3) The file must be loaded with option --weight-files and this can be used by duarouter as well as sumo (and sumo-gui)
regards,
Jakob

Am Di., 18. Feb. 2020 um 17:31 Uhr schrieb Marjerie Suresh <marji1998@xxxxxxxxx>:
Hello!

I am new to the software. I want to specify weights to every edge of a network formed from an osm file. After some reading, I understand that a weight file can be used to do that. But, I have a few questions regarding the weight file.

1) What is the syntax of the weight file?
2) Should it be saved as <file_name>.add.xml or some other extension?
3) How and when to add this file to the network? That is, during netconvert or while calling the GUI for simulation?

Thank you!
Marjerie Suresh
ᐧ
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