From: Mark.Onyschuk.Of.250/744@f744.n250.z1.FidoNet.Org (Mark Onyschuk Of 250/744)
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Newsgroups: comp.sys.atari.st.tech
Subject: GFA Basic and GDOS
Message-ID: <673178783.1@egsgate.FidoNet.Org>
Date: 02 May 91  00:40:46 EST

There is source code at panarthea which alters GEM metafiles produced by
Uniterm to those readable by Easydraw and Calamus. The file is called EZGEM
I believe.
 
This should offer clues to solving your problem (I only had time to scan the
docs this morning, it seems that the file addresses the sizing information
problem).
 
Best Regards,
Mark Onyschuk