[Proj] Google Earth Accuracy

Jan Hartmann j.l.h.hartmann at uva.nl
Sun Nov 30 13:13:12 EST 2008

Couldn't that be a Datum problem? That is the sort of error I get when I 
don't apply a shift to WGS84


Markus Neteler wrote:
 > How about precision in mountainous regions such as the Southern Alps?
 > PROJ4/OGR reprojected mountain peak points from geonames.org as
 > well as known points from our province are off for > 100m when
 > visualized in GE which they match our local orthophotos. Is the 
 > error related to the height of the point (here, satellite 
 > Markus
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