[GRASS-dev] Re: New DWG import module

Rodrigo Rodrigues da Silva pitanga at members.fsf.org
Thu Dec 24 16:16:05 EST 2009


There are some preliminary results on the module I've been writing. It
is a DWG file (http://www.naval.com/drawings/dwg/PRA430d.dwg - there's
a PDF too) that we've been using with testSVG, rendered with GRASS's
nviz module. I think that it looks a bit aliased, maybe because GRASS
is tuned for larger orders of magnitude (kilometers) by default, and
not circuit boards (centimeters) -- I'm just wondering, I'm not a
GRASS user nor a SIG specialist. I need to test it with a proper DWG
file or change some configurations.

I'll submit it as soon as I get the INSERTs and BLOCKs working.

Rodrigo.

2009/12/17 Rodrigo Rodrigues da Silva <pitanga at members.fsf.org>:
> Hi! I am working on a replacement for v.in.dwg, since it depends on a
> proprietary library. I am using LibreDWG, a recent free software library
> that implements the OpenDWG spec. The module, v.in.redwg, is partially
> implemented, but I haven't figured out how to invoke it from GUI or CLI. I'd
> appreciate if anyone could help me with some information about this.
>
> I think that the following message wasn't delivered to the list, so I am
> sending it again.
>
> My best,
> --
> Rodrigo Rodrigues da Silva
> PoliGNU - Grupo de Estudos de Software Livre da Poli/USP
> FSF Associate Member #7788
>
> ---------- Forwarded message ----------
> From: Rodrigo Rodrigues da Silva <pitanga at members.fsf.org>
> Date: 2009/11/27
> Subject: Free DWG support library
> To: grass-dev at lists.osgeo.org
>
>
> I ve noticed, from previous messages, that you have offered DWG conversion
> support as a module since 2003. I also know that you are aware of the legal
> implications of it. As a developer and maintainer for the project, and
> assuming you haven't heard of it yet, I d like to point you to LibreDWG, a
> free (as in free speech) library to handle DWG files.
>
> We are currently in alpha stage (R13, R14 and R2000 read support only) but
> we are moving fast and a first test release is coming. Since our project is
> very recent, besides our testing SVG converter, there is no software using
> it yet. I would be glad to see GRASS using it in the near future, and
> offering the users the possibility of importing DWG files without having to
> download non-free software. If you have any doubts, please let me know.
>
> The project's website:
> http://www.gnu.org/software/libredwg
>
> --
> Rodrigo Rodrigues da Silva
> PoliGNU - Grupo de Estudos de Software Livre da Poli/USP
> FSF Associate Member #7788

-- 
Rodrigo Rodrigues da Silva
PoliGNU - Grupo de Estudos de Software Livre da Poli/USP
FSF Associate Member #7788
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