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[mkgmap-dev] R: [PATCH v3] - beware of the bollards!

From Martin Simon grenzdebil at gmail.com on Tue Sep 1 14:41:15 BST 2009

2009/7/8 Mark Burton <markb at ordern.com>:
> Marco,
>> I still do not see the reason to make 2 unaccessible arcs on both sides instead of one.
> Imagine that you have only one restricted arc that is on one side of
> the bollard. Now if you are within that region and try to route to a
> point that is on the other side of the bollard, it will route straight
> through the bollard because you are leaving the restricted area and not
> entering it. If you have two restricted areas, one each side of the
> bollard and your starting point is within one of the areas, it will now
> not route through the bollard if the destination is outside of the
> restricted area on the other side of the bollard.
> As previously mentioned, the case where both start and destination are
> within the restricted area does not work right and, currently, I don't
> have a plan for fixing this. I can't see how that can be achieved.

Hi Mark!

Is there any chance for this patch to get committed in the near
future? I think it would be very helpful for routing (also with
barrier=cycle_barrier/gate/lift_gate etc) and the case of target
and/or destination being too close to the barrier is not that common.

Thank you for any info!


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