On 24/03/14 14:03, Vincent Bain wrote:
Le lundi 24 mars 2014 à 13:49 +0100, Moritz Lennert a écrit :

You're not wrong. The difference comes from the GRASS file
/etc/ogr_csv/pcs.csv in which there is a specific rule set for 3857.

Don't know why, though.

Moritz

Thank you Moritz for your reply. Yes, I finally tried to make a new
location with a proj.4 chain rather than the epsg code picker, and it
works fine.

The source of this "error" is very surprising, as much as the few
reactions it's been triggering !

Well, not sure this is really an "error", or rather an issue about how exactly to define this "pseudo-mercator" projection system.

In any case, it seems to me to be more a gdal issue than a grass issue.

I guess https://trac.osgeo.org/gdal/ticket/3962 is related to this.

Moritz
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