Are there any spkgs elsewhere in Sage which require libjpeg? If so, what version of it? I know that scipy has an imread function; anyone know what does it do for JPEG?
Again, installing libjpeg.dylib and/or libpng.dylib into $SAGE_LOCAL/ lib has bad side effects on OS X, due to the use of DYLD_LIBRARY_PATH in the Sage framework overall. So, maybe make it an optional spkg, but having it as a required or standard spkg would be bad. Bill On Nov 15, 6:49 pm, William Stein <wst...@gmail.com> wrote: > On Tue, Nov 15, 2011 at 6:01 PM, kcrisman <kcris...@gmail.com> wrote: > > > On Nov 15, 5:34 pm, William Stein <wst...@gmail.com> wrote: > >> On Tue, Nov 15, 2011 at 2:10 PM, Bill Janssen <bill.jans...@gmail.com> > >> wrote: > >> > On Nov 15, 1:02 pm, "Georg S. Weber" <georgswe...@googlemail.com> > >> > wrote: > >> >> Some people buidling > >> >> Sage from source do *want* a libjpeg on their system to be taken into > >> >> accont by their PIL in Sage! > > >> > Really? Do you have user studies or other evidence of that I could > >> > look at on that? It's surprising to me; I'd think that one build of > >> > libjpeg would be much like any other build. > > >> Georg surely just meant that with the current setup where libjpeg is > >> not included in Sage, they would want PIL to be able t use libjpeg if > >> they have it installed on their system. Of course if you include > >> libjpeg in Sage, then this argument vanishes. > > > So are you not-so-subtly hinting > > thathttp://trac.sagemath.org/sage_trac/ticket/7344 > > should be a standard spkg? Just checking. > > Yes. A standard function in matlab is imread [1], which can read in > jpg images. I'm sure Mathematica can too. Given the Sage mission > statement, which is to be a viable alternative to Matlab, Mathematica, > etc., it would make a lot of sense to include jpeg support standard in > Sage. > > [1]http://www.mathworks.com/help/techdoc/ref/imread.html > > > > > -- > > To post to this group, send an email to sage-devel@googlegroups.com > > To unsubscribe from this group, send an email to > > sage-devel+unsubscr...@googlegroups.com > > For more options, visit this group > > athttp://groups.google.com/group/sage-devel > > URL:http://www.sagemath.org > > -- > William Stein > Professor of Mathematics > University of Washingtonhttp://wstein.org -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
