Hi,
the lanes are drawn according to their geometry, the given length has no
effect on _their_ visualization. The position of the front bumper
vehicle is calculated based on the given length of the lane and the
drawing position is interpolated. The vehicle length however is _not_
scaled if the lane has a given length (different from the geometrical
distance).

Best regards,
Michael


Am 17.06.2018 um 09:49 schrieb Andras Vobornik:
> Hello Everyone!
> 
> I really need some explanation here, please can You help me?
> 
> Thanks!
> Andras
> 
> On Fri, Jun 15, 2018 at 10:14 PM Andras Vobornik <[email protected]
> <mailto:[email protected]>> wrote:
> 
>     Can someone explain it to me please? 
> 
>     On Fri, Jun 15, 2018, 13:48 Andras Vobornik <[email protected]
>     <mailto:[email protected]>> wrote:
> 
>         Screenshot 2018-06-15 13.44.47.pngThanks Jakob, but still, I
>         think something is off:
>         When the cars are 18m long, and minGap is 18m too, they are the
>         same length in the gui.
>         But the lanes are 18m long too, and they look exactly the half
>         in length compared to the cars/minGap.
>         What do You think?
>         Thanks!
>         Andras
> 
> 
>         On Fri, Jun 15, 2018 at 12:06 PM Jakob Erdmann
>         <[email protected] <mailto:[email protected]>> wrote:
> 
>             Its not a problem at all. The vehicles all fit comfortably
>             on the lane without producing a collsion. Because the lanes
>             are drawn shorter in the gui according to their geometry,
>             the vehicles look as if they overlap.
> 
>             2018-06-15 11:18 GMT+02:00 Andras Vobornik
>             <[email protected] <mailto:[email protected]>>:
> 
>                 Screenshot 2018-06-15 11.17.26.pngHello Jakob!
> 
>                 Thanks for the quick answer!
> 
>                 Indeed, the lanes have custom length. All of them. The
>                 grays are 330 long, the greens are 18.
>                 I'm sorry, I don't understand why that is the
>                 problem...can You please explain it?
> 
>                 Andras
> 
>                 On Fri, Jun 15, 2018 at 10:56 AM Jakob Erdmann
>                 <[email protected] <mailto:[email protected]>>
>                 wrote:
> 
>                     Hello,
>                     if sumo does not trigger a collision event, this is
>                     purely a graphical issue.
>                     Please check whether the lane on which these cars
>                     stand has a custom length. You can use road coloring
>                     'by given length/geometrical length' to quickly find
>                     whether this is the case.
> 
>                     regards,
>                     Jakob
> 
>                     2018-06-15 10:24 GMT+02:00 Andras Vobornik
>                     <[email protected] <mailto:[email protected]>>:
> 
>                         Hello Everyone!
> 
>                         I have a small project for what I use a simple
>                         intersection in sumo.
>                         Unfortunately I have a small issue:
>                         When a car wants to turn left, but it can not
>                         because of another car, the one that follows it
>                         literally crashes into it (brakes, stops, but
>                         already intersecting the car in the front).
>                         I couldn't found a solution for it yet, maybe
>                         You can enlighten me!
> 
>                         Thank You!
>                         Andras
>                         PS: see attachment, cars 11.6 vs 11.5 and 33.7
>                         vs 33.8
> 
>                         Screenshot 2018-06-15 09.47.11.png
> 
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