[cad-linux] Re: .dxf or .dwg?

Another option is using PostgreSQL's built-in geometry types.  If you're
mainly interested in 2d (at least for now) PG types can get the job
done.  And, if something is missing that you really need, adding new
data types to PG is fairly straightforward (and more importantly, well
documented). =20

With PG you won't have to write a storage engine, and will be
transaction (i.e. server) ready. Importing DXF, DWG, etc. data can be
handled by stand-alone (i.e. separately downloadable) modules that dump
the geometry to PostgreSQL tables.  That way you can rely on OpenDWG (or
whatever) and not limit your redistribution potential. The importers
might be generally useful for other projects -- an added benefit.

These are my humble opinions, of course.
- Lee

-----Original Message-----
From: Sagar Behere [mailto:sagar_behere@xxxxxxxxx]=20
Sent: Thursday, August 21, 2003 6:03 AM
To: cad-linux@xxxxxxxxxxxxx
Subject: [cad-linux] .dxf or .dwg?

Hi list,

We are planning to make a gpl'ed cam software, working
primarily on gnu/linux.

Right now, we are thinking of accepting a .dxf or .dwg
file as input and generating a g-code tool path.

My question, which should be the preferred input
format? .dxf or .dwg? I would also like to know that
advantages and disadvantages of either of these, and,
more importantly, the kind of libraries that are
available for their manipulation...

I saw the opendwg.org alliance and saw that they have
some libraries that are designed to work with the .dwg
format...however, linux is not mentioned in the OS
platforms. Has anyone successfully used these
libraries with linux?

Thanks in advance,
Sagar

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