Use of PIC and PICT file formats in image libraries?
From: [email protected] [mailto:[email protected]] On Behalf Of Raffaele Fragapane Sent: Monday, April 29, 2013 5:54 PM To: [email protected] Subject: Re: Pixar OpenSubdiv and Autodesk webinar Didn't the unisys(sp?) one expire literally a decade ago, and all others 7 to 8? On Tue, Apr 30, 2013 at 10:37 AM, Matt Lind <[email protected]<mailto:[email protected]>> wrote: Probably for the .TIFF lzw thingy. From: [email protected]<mailto:[email protected]> [mailto:[email protected]<mailto:[email protected]>] On Behalf Of Raffaele Fragapane Sent: Monday, April 29, 2013 5:32 PM To: [email protected]<mailto:[email protected]> Subject: Re: Pixar OpenSubdiv and Autodesk webinar I stand corrected, had been told otherwise time ago though. I'm curious then, what was the Pixar licensing/copyright notice for then? On Tue, Apr 30, 2013 at 10:19 AM, Luc-Eric Rousseau <[email protected]<mailto:[email protected]>> wrote: Softimage didn't license from pixar and the tessellation and creasing implementation are not the same. On the maya side, it's been co-developed and licensed from pixar and fully compatible. On Mon, Apr 29, 2013 at 7:49 PM, Raffaele Fragapane <[email protected]<mailto:[email protected]>> wrote: > Pixar's SDS "technology" has been licensed from everybody and their dog for > years, actually. > Thanks to some patents granted on creasing it was either doing that, or > risking litigation, or offsetting whole sets of features from the way they > would have looked in PRMan. > > In theory only the RR semi-sharp creasing algorithm is patented, and some > vendors worked around it with different methods, but it's always been > slightly ubiquitous and many bigger fishes decided not to risk it, or simply > to align to PRMan's look for those, and license away. > > Soft has had the same Pixar licensing note forever, and Houdini could render > creases in SDS in PRMan for ages, but not in Mantra, due to the same patents > (RR SS creasing). Air, 3Delight and MRay work around it with different > algorithms. > > This new openSubD stuff is really interesting, I do resent they had to go > for the MS open source licensing though (MS-Pl I think), but it seemed > unavoidable given the collaboration, and all in all it's not too bad a > license anyway. -- Our users will know fear and cower before our software! Ship it! Ship it and let them flee like the dogs they are! -- Our users will know fear and cower before our software! Ship it! Ship it and let them flee like the dogs they are!
