.map and .tab files

[Norman Vine]

Jose Luis Gonzalez writes:
>
> Once I know that it is a Krassovsky ellipsoid, how do you know the exact word to put in the ellps option of the projection.
> I mean, how did you know you had to put "ellps=krass" and not "ellps=krassov" or "ellps=krassovsky" for example?
> Where are the possibe values of the parameters of the projection defined?

To list the ellipsoids that proj knows about
% proj -le

HTH

Norman