[cad-linux] Re: FSF priority project for dwg reading support
- From: "Lars O. Grobe" <grobe@xxxxxxx>
- To: cad-linux@xxxxxxxxxxxxx
- Date: Sun, 25 Apr 2010 02:55:48 +0800
Dear Rodrigo,
thank you for giving us some insight into your recent work on an open
source dwg support library!
>> I don't fully agree. For two reasons: one, converting from DWG to DWX
>> potentially causes data loss, since DXF is a subset of DWG. Two, most
>> non-hacker people don't even know what DXF is. Talking to engineers
>> and architects, I've been told that most AutoCAD files are shared in
>> DWG format. It's like asking someone to save their .doc in .rtf.
Well, as I am an architect, I would have to disagree here. dxf has been
promoted quite a lot as the "standard exchange format" by Autocad,
which, of course, it never was. However most people using Autocad are
familiar with dxf. About dataloss, I have never experienced any such
thing, it is only that dxf files tend to be larger. But maybe there are
scenarios where such data loss happens, I just never experienced it.
>> Two other things: we do support versions other than R2000. R13, R14
>> and R2004 are currently working. R2010 (and its variants) is still
>> obscure: ODA has reverse engineered it but hasn't released the specs
>> so far.
Ok, sounds less dramatic then what I heard before. So this means that
new dwg versions will be supported? The background is that old dwg
formats are even more obscure then up-to-date dxf formats to the user.
>> We are also working on write support - if everything goes as expected
>> we'll have a SoC student working on it this summer. We are also trying
>> to revive out python binding work.
Wow so much more going on behind the scenes :-) I personally do not care
about writing support that much, but for sure would be happy to directly
import the files I get from Autocad world. How are you planning to
handle 3d in the future, is there any hope to digg into ACIS and support
solids one day?
>> Whereas we have a mostly working library, we haven't released
>> officially yet. We will make an alpha release soon if we manage to fix
>> some known bugs. Please subscribe to info-libredwg@xxxxxxx for
>> announcements. I can announce to this list as well.
I am sure that subscribers here would appreciate if you make an
announcement here once we can test the library!
Cheers,
Lars.
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