Hi,

On 07/14/10 11:54, Paul Meems wrote:

I'm using this proj4 string for the OSM tiles:
+proj=merc +lon_0=0 +lat_ts=0 +x_0=0 +y_0=0 +a=6378137 +b=6378137
+units=m +no_defs


This one is not correct if you want to do a datum transformation : the +towgs84 parameter is missing.

Jean-Claude
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