Re: [sumo-user] Wrong calculation of edge length

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

Hello,

you have created a network without internal lanes. In this case the the edges are declared artificially longer to ensure correct travel times. (see http://sumo.dlr.de/wiki/Simulation/Intersections#Internal_links) If you remove the option --no-internal-links the network will be built as you have described above.

Also, you can use netedit to declare any edge length you like.

regards,

Jakob

2018-05-02 20:51 GMT+02:00 Hugh Yu via sumo-user <sumo-user@xxxxxxxxxxxxxxxxxxxxx>:

Hi, I'm trying SUMO version v0_32_0+1291-b5fae6b125. I have found that the
length and the shape coordinates of a lane are not consistent. As shown in
the attached net file, the length should be 100-11.1=88.9 instead of 100.
Maybe it's because of the intersection. But can we set the exact edge
length?
 <edge id="-gneE27" from="gneJ11" to="gneJ29" priority="1">
        <lane id="-gneE27_0" index="0" speed="15.00" length="100.00"
shape="-192.00,11.10 -192.00,100.00"/>
        <lane id="-gneE27_1" index="1" speed="15.00" length="100.00"
shape="-195.20,11.10 -195.20,100.00"/>
        <lane id="-gneE27_2" index="2" speed="15.00" length="100.00"
shape="-198.40,11.10 -198.40,100.00"/>
 </edge>

Thanks,
Chunhui
--
俞春辉
Chunhui Yu

Ph.d Candidate
Dept. of Comprehensive Traffic Information and Control Engineering
School of Transportation Engineering
Tongji University, Shanghai, P.R.China

Tel： (001) 734-999-7418

Website: http://www.yxggroup.com/ViewMember.aspx?ID=92

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