Re: [sumo-devel] lane turning direction

[Jakob E. <nam...@go...>]

Hello,
- Since revision 0.26.0 mayUseSameDestination=True is safe to use since
these conflicts are resolved with right-of-way rules.

- There was a misunderstanding in regard to lane gaps. I was thinking about
the minimum length of internal lanes.
If you are refering to the lateral gap between neighboring lanes, that is
defined by the value of
SUMO_const_laneOffset in utils/common/StdDefs.h

regards,
Jakob

2016-06-14 23:37 GMT+02:00 Yifeng Zeng <ze...@li...>:

> Hello Jakob,
>
>
> Thank you for the information.
>
>
> I was able to add connections by using:
>
>
> SendingEdge->addLane2LaneConnection(i, ReceivingEdge, j, NBEdge::L2L_USER,
> true);
>
>
> And this would be working for me. I understand the risk that there may be
> conflicts though because I use mayUseSameDestination = true
>
>
> For another reply from you earlier, you mentioned the gap distance between
> lanes can be changed "by changing the value of POSITION_EPS in config.h
> (or windows_config.h) but should not be set to 0 to avoid undefined behavior
> ".
> I tried to change this value to "0.2" or "0.01" in both files, but it
> seems that the gap distance between lanes are still 0.1 meter. Would you
> please confirm if it is the correct macro?
>
>
> /* defines the epsilon to use on position comparison */
> #define POSITION_EPS (SUMOReal)0.2
>
>
> Thanks,
>
>
> Yifeng
>
>
> ------------------------------
> From: nam...@go...
> Date: Mon, 13 Jun 2016 08:33:58 +0200
> Subject: Re: [sumo-devel] lane turning direction
> To: ze...@li...
> CC: sum...@li...
>
>
> The lane-to-lane connectivity is computed with a heuristic that is spread
> over
> NBEdge.cpp, NBNode.cpp and NBAlgorithms.cpp. Modify it at your own risk (-:
>
>
> 2016-06-10 21:46 GMT+02:00 Yifeng Zeng <ze...@li...>:
>
> Hello All,
>
> I was wondering if i can explicitly specify the turning direction(s) for a
> certain lane in the code?
>
> I  understand that we ca specify the turning direction by specifying
> certain connections in the con.xml file. But how about doing it in the code
> without the con.xml file?
>
> Thanks,
>
> Yifeng
>
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