CGAL users discussion list

[Andreas Fabri <>]

On 14/09/2011 15:58, Audette, Michel A. wrote:
> Hi Andreas,
>
> this is the answer that I wanted. Thanks for your kind reply.
>
> So to summarize and extend a little further the discussion:
>
> i) The BSD license of Slicer is compatible with the QPL license of
> Slicer, as long as no commercial application is built on the two
> together.

correct.

> ii) If it were the case that a product would be built on
> the two technologies,  the company producing it would have to
> negotiate a commercial license with you, correct?

correct.

> iii) These
> licensing issues are not circumvented by simply producing plugins
> based on CGAL.

correct. I guess you still could circumvent by the plugin
being a separate executable and pass data through files,
but to be sure ask a license expert, not us.

> iv) These licensing issues do not restrict the
> commercialization of anatomical models produced by a combination of
> Slicer and CGAL, as opposed to an application built on the two,
> correct?

correct

andreas


> Best wishes,
>
> Michel
>
> Michel Audette, Ph.D. Assistant Professor, Department of Modeling,
> Simulation and Visualization Engineering, Old Dominion University,
> Norfolk, VA. ________________________________________ From: Andreas
> Fabri 
> []
>  Sent: Wednesday, September
> 14, 2011 9:50 AM To: 
>
>  Subject: Re:
> [cgal-discuss] license of CGAL's Tet mesh generation... compatible
> with Slicer license?
>
> On 14/09/2011 15:38, Audette, Michel A. wrote:
> > Dear CGAL developers, my collaborators and I are giving some
> > thought to integrating the CGAL tetrahedral mesh generation with
> > Slicer, but I was wondering about the particular license of this
> > implementation: can the license be made compatible with Slicer's,
> > which is BSD? Can any restriction be circumvented by distributing
> > binaries only? Best wishes, Michel Michel Audette, Ph.D. Assistant
> > Professor, Department of Modeling, Simulation and Visualization
> > Engineering, Old Dominion University, Norfolk, VA.
>
> Hi Michel,
>
> CGAL is under the QPL, which is compatible with BSD. Only
> distributing binaries is not a solution but a problem: The QPL
> obliges you to distribute source code.
>
> Note that as slicer is distributed under BSD it can be integrated in
> commercial code.  By integrating CGAL in slicer, this is no longer
> possible, as users have to take into account the strongest
> restriction of the licenses.  That is, when you integrate CGAL, the
> CGAL files of the slicer distribution are still under the QPL and not
> under the BSD.
>
> Hope this helps,
>
> andreas -- Andreas Fabri, PhD Chief Officer, GeometryFactory Editor,
> The CGAL Project
>
> phone: +33.492.954.912    skype: andreas.fabri
>
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--
Andreas Fabri, PhD
Chief Officer, GeometryFactory
Editor, The CGAL Project

phone: +33.492.954.912    skype: andreas.fabri