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Re: [sumo-user] vehicles colliding when ignoring safe gap?
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- From: Michael Behrisch <oss@xxxxxxxxxxx>
- Date: Sun, 17 Jun 2018 13:21:09 +0200
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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 <vobi1024@xxxxxxxxx
> <mailto:vobi1024@xxxxxxxxx>> wrote:
>
> Can someone explain it to me please?
>
> On Fri, Jun 15, 2018, 13:48 Andras Vobornik <vobi1024@xxxxxxxxx
> <mailto:vobi1024@xxxxxxxxx>> 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
> <namdre.sumo@xxxxxxxxx <mailto:namdre.sumo@xxxxxxxxx>> 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
> <vobi1024@xxxxxxxxx <mailto:vobi1024@xxxxxxxxx>>:
>
> 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
> <namdre.sumo@xxxxxxxxx <mailto:namdre.sumo@xxxxxxxxx>>
> 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
> <vobi1024@xxxxxxxxx <mailto:vobi1024@xxxxxxxxx>>:
>
> 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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