[mkgmap-dev] Removing building polygons from the map

Sat Jul 2 20:32:04 BST 2016

Hi Gerd,

Thanks for replying.  I had already tested it and indeed I can remove 
all the polygons with no effect on the POIs.

     Alexandre

On 02/07/2016 03:37, Gerd Petermann wrote:
>
> Hi Alexandre,
>
> in case you did not yet find out:
>
> The POI are generated by mkgmap before the style rules are processed, 
> so whatever you do in the polygon style file should not
>
> influence the generated POI.
>
>
> Gerd
>
>
> ------------------------------------------------------------------------
> *Von:* mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag 
> von Alexandre de Menezes <afmlistas at terra.com.br>
> *Gesendet:* Sonntag, 12. Juni 2016 23:51:17
> *An:* Development list for mkgmap
> *Betreff:* [mkgmap-dev] Removing building polygons from the map
>
> Hi everyone,
>
> The styles I am using add polygons to every building on the map.  I 
> never thought it was a problem, but recently someone did a mass import 
> of all the buildings in my city and I started to get performance 
> problems during GPS use.  I want to avoid the polygons on the map, but 
> I don't want to miss the POIs.
>
> I had partial success editing the polygon style file and removing this 
> line:
>
> |# building tag should be last
> #(building=* | amenity=*) & area!=no & amenity!=grave_yard [0x13 
> resolution 24]|
>
> I believe this removes all buildings for which there's no other rule 
> converting it to a POI.  Can I remove all the other building polys 
> too, since I am using the --add-pois-to-areas option, or I this will 
> discard all the POIs?
>
> Thanks in advance,
>
>     Alexandre de Menezes
>
>
>
>
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