[ gpsdrive ] GPSdrive SVN, Mapnik and a Patch

[Mark Wilkinson]

I think I was working through the following page 
http://wiki.openstreetmap.org/index.php/Mapnik

specifically

http://wiki.openstreetmap.org/index.php/Mapnik#Loading_Data

Guenther Meyer wrote:
> Am Donnerstag 29 Mai 2008 schrieb Mark Wilkinson:
>   
>> Interesting, looking at the commands I used to import the osm data, I
>> also used the -m switch
>> which aparently imports the data 'in proper spherical mercator not OSM
>> merc'
>>
>> this is not something i'd noticed when following the osm mapnik how-to
>>
>> Looking at the code for osm2pgsql, leaving off the -m switch and using
>> the original gpsdrive projection of '+proj=merc +datum=WGS84' would
>> probably have worked correctly, however with the how-to saying to import
>> with -m, this might account for the difference of about .2 of a degree
>>
>>     
> which how-to?
>
> the recommended way to create and fill the postgis database for gpsdrive is to 
> use the script mapnik-osm-updater.sh (which calls osm2pgsql without the -m 
> option...).
>
>   
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