[Qgis-user] google layers plugin projection

[Jean-Claude Repetto]

Le 28/05/2010 15:56, Agustin Lobo a écrit :
> It does not in my case, if I use a vector on ED50 UTM31 and the
> project set to a custom projectione defined as
> +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 +wktext +no_defs
> and onthefly activated: the vector is displaced ca. 100m vs the google
> raster. This also happens with click-fu.

Your definition is missing the +towgs84 parameter, that's why the datum 
transformation does not occur.

Jean-Claude