[Bf-committers] Blender, CSG and Carve.

Martin Poirier theeth at yahoo.com
Wed Feb 13 01:25:44 CET 2008


--- Tobias Sargeant <tobias.sargeant at gmail.com> wrote:

> I'm the developer of Carve, a fast and robust CSG
> library (there's
> some information here: http://carve-csg.com/). It is
> currently a
> commercial product, licensed to a major mining
> software company. For a
> long time I've considered dual licensing Carve along
> the same lines of
> Qt (free for non-commercial use, separate license
> for commercial use),
> specifically so that it could be incorporated into
> Blender. I believe
> that Carve improves significantly on the CSG code
> currently available
> in Blender.
> I'd like to know, first, whether there's any
> interest from blender
> developers in pursuing this (maybe CSG isn't an
> important enough
> feature; I'm not sure). If there is, is there anyone
> who has
> experience or advice regarding the associated
> licensing issues?

I can't really comment on the interest, but on the
licensing issue, if you go dual license, the other
license would have to be GPL compatible for
integration with Blender. That means free for
commercial purpose too.

Then, what your non-free license would permit (like
Qt's license) is for companies to link with your
library without having to deal with the modification
clauses of the GPL.


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