[OSM-dev] Multipolygon decoding
penorman at mac.com
Sun Jan 3 23:42:11 UTC 2016
On 1/3/2016 2:24 PM, Mikoláš Štrajt wrote:
> I am developing my own rendering software and I struggled on decoding
> multipolygon relations. It seems to be bit tricky. I tried to found
> some info about it, but all I found is this wiki page:
> Can you point to some example of code decoding multipolygons? I would
> especially like something that will be written with renderer in mind
> (ie source code is part of some renderer).
> Note that my software decodes OSM XML file itself, I don't want to use
> PostGIS as backend.
libosmium, osm2pgsql, and imposm all have implementations of converting
multipolygon relations to geometries.
I would recommend using libosmium in your software if at all possible,
rather than trying to decode OSM PBFs and XML yourself.
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