Will it become the 1st standard package that needs an optional package, i.e. graphviz, to function?
On Wednesday, 22 May 2013 22:32:59 UTC+8, Nicolas M. Thiéry wrote: > > Dear Sage developers, > > This is a poll for making dot2tex a standard spkg. > > - [ ] Yes, make dot2tex a standard spkg > - [ ] No, keep it as optional > > Description of dot2tex > ---------------------- > > dot2tex [1] is a small pure python module (5000 lines), whose purpose > is to give graphs generated by Graphviz a more LaTeX friendly look and > feel. This is accomplished by converting xdot output from Graphviz to > a series of PSTricks or PGF/TikZ commands. > > The current dot2tex spkg weights 900K. It could be trimmed down to > 300K by removing PNG's that are only used for testing. > > Usage in Sage and rationale for making dot2tex a standard spkg > -------------------------------------------------------------- > > dot2tex+graphviz are used quite intensively to visualize combinatorial > data like crystal graphs and the like (see e.g. [2]). In fact, that's > one of the very first feature beginners in (algebraic) combinatorics > want to play with. So it would be nice to reduce as much as possible > the prerequisites. Currently they are: > > (1) Installing graphviz > (2) Installing dot2tex with sage -i dot2tex > (3) Having a latex distribution that includes a recent enough version > of pgf/tikz (2010 or later?) > > Including graphviz into Sage has been discussed a couple times; > however there are a priori licence issues (also the graphviz spkg has > been broken for a while, and nobody stood up to fix that). That's not > so bad because it's usually very easy to install graphviz on one's > operating system; in fact it's often already there. > > We can hope that (3) will finally fade out by itself. > > Making dot2tex a standard spkg would save on step (2); granted it's a > relatively trivial step, but it often became a burden in practice > because our beginners then needed to have a shell, to have network > access, ... > > Making dot2tex standard would also simplify a bit the doctest > "optional" logic: we would only need to mark as optional those tests > that actually require graphviz. Again a small step, but in practice > #14594 would have been detected earlier if dot2tex had been standard. > > Cheers, > Nicolas > > [1] http://www.fauskes.net/code/dot2tex/ > [2] http://wiki.sagemath.org/combinat/CoolPictures > > -- > Nicolas M. Thi�ry "Isil" <nth...@users.sf.net <javascript:>> > http://Nicolas.Thiery.name/ > -- You received this message because you are subscribed to the Google Groups "sage-combinat-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-combinat-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-combinat-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-combinat-devel?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
