[Proj] FW: SCAR Antarctic PS projection issue in proj

Frank Warmerdam warmerdam at pobox.com
Tue Dec 6 01:51:27 EST 2005

On 12/3/05, Oscar van Vlijmen <ovv at hetnet.nl> wrote:
> In conclusion, my theory is that the projection method is unambiguously
> clear, but that either "Polar Stereographic (variant B)" is not supported by
> PROJ.4 or that it was somehow not possible to construct relevant PROJ.4
> arguments for any PROJ.4 method (stere perhaps) on the fly.


With support from Norman Vine on IRC, I have added a
translation of projection method 9829.

The script used to produce the PROJ.4 epsg definition file
now reports the following for EPSG:3031:

$ python epsg_tr.py -proj4 3031 3031
# WGS 84 / Antarctic Polar Stereographic
<3031> +proj=stere +lat_0=-90 +lat_ts=-71 +lon_0=0 +k=1 +x_0=0 +y_0=0 +ellps=WGS
84 +datum=WGS84 +units=m +no_defs  <>

This should appear in the next full PROJ.4 release at which point I
will regenerate the epsg files.

Please let me know if you believe the above translation to be

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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