[gdal-dev] Re: Require Help Transforming into Equirectangular

[ssobieraj]

Hi Vincent,

By using the statement that you provided, I was able to produce an image
with an offset of around 1km.  Much better than before, but still in need of
improvement.

Could you shed some light on how +wktext works?  It isn't listed as a
parameter at  http://trac.osgeo.org/proj/wiki/GenParms
http://trac.osgeo.org/proj/wiki/GenParms .  

Since the statement you provide assumes a spherical earth in the output
image (R=6371007.181) and I require that the data be on the WGS84 ellipsoid,
I went and replaced the +R... with +ellps=WGS84, I am back to square one.

Given that both PRJ files were produced correctly, what am I doing wrong?



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