[gdal-dev] Re: EASE-grid projection

Jose Gomez-Dans jgomezdans at gmail.com
Fri Oct 10 12:20:51 EDT 2008

I know it's unpolite to reply to self, but I think I might have cracked this
one. Comments welcomed...

2008/10/10 Jose Gomez-Dans <jgomezdans at gmail.com>

> $ gdalwarp --debug on -of GTiff -s_srs "+proj=cea +lat_0=0 +lon_0=0
> +lat_ts=30 +a=6371228.0 +units=m" -t_srs 'EPSG:4326' INPUT OUTPUT.tif
> OGR_PROJ4: Can't find ellipse definition in:
> +proj=cea +lat_0=0 +lon_0=0 +lat_ts=30 +a=6371228.0 +units=m
> ERROR 1: Translating source or target SRS failed:
> +proj=cea +lat_0=0 +lon_0=0 +lat_ts=30 +a=6371228.0 +units=m

If I add the +ellps=sphere (hint is here:  <
http://nsidc.org/data/ease/ease_grid.html#whySpherical>. What's wrong with
having a flat Earth!!! :D), I am able to reproject the data.

Is this a sound approach?


Centre for Terrestrial Carbon Dynamics
Department of Geography, University College London
Gower Street, London WC1E 6BT, UK
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