CGAL users discussion list

["Audette, Michel A." <>]

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

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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