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

[Charles D. Van Dusen]

Thanks Frank

Worked great!

 

-----Original Message-----
From: owner-osrs-proj at remotesensing.org
[mailto:owner-osrs-proj at remotesensing.org] On Behalf Of Frank Warmerdam
Sent: Wednesday, January 07, 2004 4:08 PM
To: osrs-proj at remotesensing.org
Subject: [SPAM] - Re: [SPAM] - Re: [OSRS-PROJ] Error projecting
Geographic to UPS - Email found in subject - Email found in subject

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.

Charlie,

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,

-- 
---------------------------------------+--------------------------------
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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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