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[mkgmap-dev] POI barrier/access restriction

From Ticker Berkin rwb-mkgmap at jagit.co.uk on Mon Apr 13 14:04:55 BST 2020

Hi Gerd

The only common bit is filling in the mode hierarchy. It could be moved
into an include and shared, but it is only 15 lines.


On Mon, 2020-04-13 at 11:31 +0000, Gerd Petermann wrote:
> Hi Ticker,
> did not check the details yet but the patch seems to duplicate a lot
> of stuff coded in inc/access. Is that needed?
> Gerd
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
> Gesendet: Montag, 13. April 2020 13:21
> An: mkgmap development
> Betreff: [mkgmap-dev] POI barrier/access restriction
> Hi Gerd and others interested in routing issues
> default style "points" has code that, when option --link-pois-to-ways
> is in effect, sets highway access and speed restrictions that mkgmap
> then imposes on the highway that the point is on.
> These rules had various errors:
> - didn't expand the access mode hierarchy, see
>   https://wiki.openstreetmap.org/wiki/Key:access
> - tested the wrong tag for mkgmap:bus and mkgmap:delivery
> - if the "access" tag was set, apply this to all modes before
>   processing allowances and restrictions imposed by the
>   barrier; but these actions would have no effect because the
>   the specified mode tags are now all set
> - assumed that a gate stops motor_vehicle access
> - didn't handle other common forms of gate
> - allowed bicycle through kissing_gate and stile
> This patch fixes these problems and also adds a speed restriction for
> all barriers.
> The general principle is that barrier rules add specific "no"
> restrictions that the barrier prevents, but must not add "yes".
> The "access" tag is a default for all modes not implicitly or
> explicit
> handled; there could be, say, osm tags [barrier=stile,
> access=destination] and this should not imply there is unrestricted
> foot access.
> Ticker
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> mkgmap-dev at lists.mkgmap.org.uk
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