[Tagging] Do we map pedestrian crossings twice?

Mateusz Konieczny matkoniecz at tutanota.com
Wed Jun 10 23:18:02 UTC 2020




Jun 11, 2020, 01:10 by jarek at piorkowski.ca:

> On Wed, 10 Jun 2020 at 14:27, Clifford Snow <clifford at snowandsnow.us> wrote:
>
>> To help me understand, below are three schemes for crossings. Which one(s) best describe your suggested way of mapping.
>>
>> ...
>> 2. With no crossing ways, just a node on the highway to mark the type of crossing https://mycloud.snowandsnow.us/index.php/s/4ad5wLzMNcE3sNo
>>
>
> Mateusz has already pointed this out, but just to reinforce, this
> scheme would break pedestrian routing and require a wholesale rewrite
> of all routers to be able to jump between nearby ways.
>
And that rewrite would introduce unfixable routing bugs in cases where nearby
footways are not allowing pedestrain movement.

Also, that rewrite would be quite hard to implement without cratering performance.
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