Re: [libredwg] R2007 header decoding

[Rodrigo Rodrigues da Silva]

On 20-06-2010 12:31, Till Heuschmann wrote:
> Hi All.
>
> Have you noticed that there is a new version of the specs available?
> The new version contains informations about r2007 header compression and
> r2010 fields in objects.

It looks like there's nothing about R2010 file structure (section 6 is 
empty). Although, there's information on R2010 object fields.

> Recently we got stuck with r2007 rs decoding which turns out is not the
> problem (ignoring the rs-parity bytes the data bytes can be used as they
> are!) but the compression of the headers. Fortunately the compression
> algorithms are covered (~90% of them, the spec-document seems to be
> broken ;) )
>
> I will spend some time with the headers. Is someone else working in this
> area?

Are you going to work on R2010 header decoding as well? I can update 
dwg.spec - the updated specs can also give us a light on obscure fields 
and objects.

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