[mkgmap-dev] Possible If then bug

Thu May 30 07:44:28 BST 2019

Thanks Gerd

Hadn't checked it in the default style and yes you are right I don't now 
get an echotags so it must be my style :(

Nick

On 30/05/2019 06:49, Gerd Petermann wrote:
> Hi Nick,
>
> not sure what your mean with "gets included".
> I've copied your rules to the top of the polygons file in the default style and I see no output from echotags.
> On the other hand, the polygon https://www.openstreetmap.org/way/339552356 is (correctly) included in the map.
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von nwillink <osm at pinns.co.uk>
> Gesendet: Donnerstag, 30. Mai 2019 07:33
> An: mkgmap-dev at lists.mkgmap.org.uk
> Betreff: [mkgmap-dev] Possible If then bug
>
> Hi
>
> I've noticed some unexpected behaviour when using 'if then'
>
> Today, in osm, a polygon can have multiple 'land describing' tags  ie
> landuse=grass & natural=wood or landuse=forest and natural=heath etc
>
> To ensure both get parsed I use the following:
>
> if (landuse=* & natural=*) then
> # parse natural ; use continue ; delete natural
> natural=wood {echotags "wood & transparency"}[0x1101c resolution 18 continue
> ] #50
> # add more natural=
> # at end of list delete natural so it doesn't get plotted lower down
> natural=* {delete natural}
> # continue parsing landuse
> end
> This works well, however ...
>
> The following url contains one natural=wood and area=yes (sic)
> https://www.openstreetmap.org/export#map=17/50.69541/-3.53819
>
> There is no mention of a landuse  and yet this wood gets included asif it
> has a  landuse= something tag
>
> Is this because of the area tag?
>
> r
> Nick
>
>
>
>
>
>
>
> --
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