[Proj] Polar stereographic, different values on different platforms?

[Frank Warmerdam]

aaime74 wrote:
> Hi,
> at Geoserver we're experiencing some issues with projection code, and we
> took Proj as
> an external reference for comparison.
> Well, it turns out that proj 4.5 returns different results when compiled for
> Windows
> and Linux.
> 
> On Linux:
> desruisseaux at adagio ~ $ proj
> Rel. 4.5.0, 22 Oct 2006
> usage: proj [ -beEfiIlormsStTvVwW [args] ] [ +opts[=arg] ] [ files ]
> desruisseaux at adagio ~ $ proj +proj=stere +lon_0=-96.0 +lat_0=90 +lat_ts=71
> +ellps=WGS84 +datum=WGS84
> -121.33955 39.1012523
> -2529570.00     -5341800.00
> 
> On Windows:
> C:\Program Files\FWTools1.1.3>proj
> Rel. 4.5.0, 22 Oct 2006
> usage: proj [ -beEfiIlormsStTvVwW [args] ] [ +opts[=arg] ] [ files ]
> 
> C:\Program Files\FWTools1.1.3>proj +proj=stere +lon_0=-96.0 +lat_0=90
> +lat_ts=71
>  +ellps=WGS84 +datum=WGS84
> -121.33955 39.1012523
> -2544346.32     -5373003.77

Andrea,

I think this is related to the recently reported problem in:

   http://bugzilla.remotesensing.org/show_bug.cgi?id=1558

Hopefully I'll be able to resolve it though for your purposes I guess
you should just ignore the windows proj.4 results for now.

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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and watch the world go round - Rush    | President OSGeo, http://osgeo.org