[SPAM] - Re: [OSRS-PROJ] Error projecting Geographic to UPS - Email found in subject

Frank Warmerdam warmerdam at pobox.com
Wed Jan 7 16:08:14 EST 2004

Charles D. Van Dusen wrote:
>  Hi Frank
> Thanks for the reply.
> This from the proj manual:
> Universal Polar Stereographic (UPS) Projection
> Usage and options: +proj=ups +south
> The ups projection is a special case polar aspect of the Stereographic
> projection
> designed to cover the regions where   84 N or   80 S. The internal
> Stereographic
> parameters are fixed at k0 = 0.994, 0 = 0, x0 = y0 = 2, 000, 000m, and
> 0 is either 90 N when +south is not specified or 90 S when +south is
> specified.
> Elliptical parameters must be used (either proj default or entered as
> option). Also
> see the Universal Transverse Mercator (utm) projection (p. 12).
> So, I presumed that using the option -o"proj=ups" would suffice.


Doh!  You are right. I should have looked before speaking.

I tried "proj +proj=ups" at the commandline and it worked fine, but
"proj +proj=ups +no_defs" failed since there was no ellipse definition.
Try something like "+proj=ups +ellps=WGS84" as your definition instead.

Best regards,

I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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