Re: [Libpgf-devel] Licensing of PGF specification

[Mateusz L. <ma...@lo...>]

Stamm Christoph wrote:
> Hi
> 
> PGF is an open format with publicly available specification, but
> copyright protected with LGPL. So, both the PGF format and the source
> code are under LGPL. If you plan to modify the PGF format and/or
> libpgf and distribute them, then you are allowed to do it in case you
> choose a compatible license for your modified code. In case your
> modified file format is not compatible with libpgf, then you are not
> allowed to call the new format PGF.
> 
> PGF can be used to build something similar to MrSID. We also
> developped something similar, called PGFext, but so far, we didn't
> publish any information about it.


Hi Chris,

That's the answer I was looking for. Thank you very much!

Best regards,
-- 
Mateusz Loskot, http://mateusz.loskot.net
Charter Member of OSGeo, http://osgeo.org