[Bf-committers] could this be useful for blender ? opensubdiv

Tobias Oelgarte tobias.oelgarte at googlemail.com
Tue Aug 7 12:25:40 CEST 2012

Yes it would be definitly an option to ask them to release the code 
under both licenses. Otherwise it is sadly incompatible. This is general 
problem for the many free licenses. Even if they have the exact wording 
(or same intention), but use a different name, they are legally 
incompatible, - if it is not stated that the re-user has the right to 
publish it under a similar license. Most of them don't do this, which is 
a pain.

Looking at the two pictures i wonder if it can handle triangles better 
then our current method. The mesh seams to contain quite a lot of them, 
while the result doesn't show the typical wrinkles as the subdivision 
modifier in Blender would produce.

Tobias Oelgarte

Am 07.08.2012 09:01, schrieb Davis Sorenson:
> According to Wikipedia: (
> http://en.wikipedia.org/wiki/Shared_source#Microsoft_Public_License_.28Ms-PL.29
> )
> "According to the Free Software Foundation, it is a free software license
> but not compatible with the GNU GPL." [1]
> So of all the MS "shared-source" licenses it's the least bad, but still GPL
> incompatible. It looks very cool, apparently it's what Pixar uses in
> production so I imagine it is quite good. :) I noticed this quote from them
> on the project site:
> "Feel free to use it and let us know what you think through the github
> site." [2]
> Maybe it would be worth a try to contact them and ask them about using a
> different license?
> [1] http://www.gnu.org/licenses/license-list.html#ms-pl
> [2] http://graphics.pixar.com/opensubdiv
> Davis
> On Tue, Aug 7, 2012 at 1:48 AM, rsaavedra at ono.com<rsaavedra at ono.com>  wrote:
>> Hi!,
>>    I have just seen that pixar has released a parallel subdivision
>> lib as "open" software and I was wondering if it would be interesting
>> to use it in blender.
>>    http://graphics.pixar.com/opensubdiv
>>    It is
>> released under Microsoft Public License, I haven't read the clausules
>> of that license and if it is compatible with GPL, I can guess that it
>> is not, but if somebody can ilustrate us ...
>> --
>> Rafael Rios
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