[gdal-dev] GEM 6 sinusoidal projection

[reg ister]

Hello everyone,
i ve ran into some odd projection and i would like to know if i can use gdal
to reproject georeferenced data in this projection (gcp included in my
raster) . I'm used to gdal and projections but here i can't seem to find
enough information.
The idea is to reproject to a DGG (discrete global grid) The projection is
an adapted sinusoidal grid with an ellipsoid based on GEM 6 model (Goddard
Earth Model)

Any insight or experience is apreciated but if no one already encountered
such a thing here are some precise questions that can help me

I never encountered the name DGG before, does it implies some specific
feature about projection or is it just a synonym of grid ?
the grid considered seems to be composed of octaedrons, is it even relevant
when projecting data considering i have the ellipsoid and type of projection
?
I have the major and minor axises for GEM 6 ellipsoid, would it be correct (
and possible ) to specify these to gdal along with a sinusoidal projection
to reproject my data?
as you may have noticed, is said adapted sinusoidal grid... i don't what
adapted implies. would it be possible in gdal to "adapt" the built in
sinusoidal projection ( to what cost in dev )?


any help apreciated.

Thanks everyone, keep up the good work
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