[Proj] wgs84 northings and eastings

Jean-Claude Repetto jrepetto at free.fr
Tue May 24 09:17:31 EST 2011

Le 24/05/2011 15:24, Roger Oberholtzer a écrit :
> I have had a request to provide locations (northings and eastings) in
> wgs84. Up to now, I have always worked with a specific projection
> somewhere in the world. Such a projection seems rather senseless to me.
> But there you have it. My question is, given wgs84 lat/longs, how would
> I request wgs84 northings / eastings from proj. Would this be adequate?
> +proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +a=6378137 +b=6378137 +units=m +no_defs
> Equally worrisome is that I am unsure how to test this as the requester
> has no sample data. Sigh...

If there is no projection, easting = longitude and northing = latitude.

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