On Fri, Nov 21, 2008 at 11:00 AM, William Stein <[EMAIL PROTECTED]> wrote: > > On Fri, Nov 21, 2008 at 7:20 AM, Jason Bandlow <[EMAIL PROTECTED]> wrote: >> >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Ronan Paixão wrote: >>> Hey, that's much more awesome! It lacks some antialiasing, though. >>> >>> Maybe we should add image manipulation support like those new >>> Mathematica features: >>> http://www.wolfram.com/products/mathematica/newin7/content/BuiltInImageProcessing/ >>> >>> It sure would be nice to have PIL >>> http://www.pythonware.com/products/pil/ in sage. I don't see it at >>> http://sagemath.org/packages/standard/ >>> It appears the newest version supports converting to/from numpy arrays: >>> http://effbot.org/zone/pil-changes-116.htm >> Incidentally, I just (two days ago) downloaded PIL and installed it >> with a simple >> $ sage -python setup.py install >> >> The only issue using it was that I needed: Integer = int >> but after that it worked wonderfully. >> >> I got to show my Linear Algebra class how to compress images with the >> singular value decomposition... it was pretty fun. >> >> As far as I could tell, it's the canonical library for image >> manipulation with Python. If anyone was proposing including this in >> standard Sage, it would get a hearty +1 from me. >> >> - -Jason
+1 from me too. I'd also volunteer to help with wrappers/interface, if needed. > > The license is very very open source according to the website: > > http://www.pythonware.com/products/pil/license.htm > > I've made an optional PIL spkg (it's small -- 384kb) and posted it here: > > http://sagemath.org/packages/optional/ > > Just do > > sage -i pil-1.1.6 > > and it should install on most any system with a compiler in less than > a minute. (Let me know if it doesn't!) I put in a trick so that it will even > install if ones tk install isn't sufficient (there were problems on sage.math, > for example). > > Try out the tutorial: > http://www.pythonware.com/library/pil/handbook/introduction.htm > > You can work with png files in Sage, but not jpg, since we don't ship libjpg. > > I did try opening an image, and manipulating and saving the result > and it worked fine. > > Depending on feedback in this thread, I think we should consider > possibly including PIL standard in Sage. One could quickly make > some interesting interacts using it... > > William > > > > --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
