[ gpsdrive ] Mapnik Projection used by gpsdrive

[Christoph Metz]

i don't know who is always changing this. i have to look in the svn
log but the second projection is correct.

On Sun, Sep 21, 2008 at 9:40 AM, Jan-Benedict Glaw <jbglaw at lug-owl.de> wrote:
> On Thu, 2008-09-18 19:02:07 +0200, Jan-Benedict Glaw <jbglaw at lug-owl.de> wrote:
>> After updating osm2pgsql to the SVN version, I was able to use my app
>> with it, but the card display was quite off. Projection seems to have
>> changed. Gpsdrive used to use "+proj=merc +datum=WGS84", whereas OSM
>> (and the default settings of osm2pgsql; the old behavior can be forced
>> with the `-M' switch) uses "+proj=merc +a=6378137 +b=6378137
>> +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null
>> +no_defs +over".
>>
>> I'd like to file a bug report for osm2pgsql, but gpsdrive would need
>> to either touch the docs (add -M to the osm2pgsql call) or change its
>> projection method. (And if gpsdrive wants to follow osm.xml, it would
>> need the new osm2pgsql, too, to get the additional table column
>> referenced there.)
>
> Nobody got an opinion about it? This breaks (or accomplishes)
> compatibility with regular osm2pgsql installations off OSM SVN...
>
> MfG, JBG
>
> --
>      Jan-Benedict Glaw      jbglaw at lug-owl.de              +49-172-7608481
> Signature of:               The real problem with C++ for kernel modules is:
> the second  :                                 the language just sucks.
>                                                   -- Linus Torvalds
>
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