looks like log plots are on the way: http://code.google.com/p/flot/issues/detail?id=26
On Mon, Feb 23, 2009 at 5:15 PM, Tom Boothby <tomas.boot...@gmail.com> wrote: > +100 to FLOT. It looks and smells very nice. > > We can work out log plots in the future. Hell, the FLOT people might > even do that for us if we ask really nice and show them how awesome > Sage looks with FLOT vs. how sad I look when I have to wait for > matplotlib to render an image. > > --tom > > On Mon, Feb 23, 2009 at 1:30 PM, Maurizio <maurizio.gran...@gmail.com> wrote: >> >> Thank you very much for your encouragement. >> Honestly, I totally second your idea that using the same matplotlib >> would have probably been the best choice from the very first moment. >> Please also keep in mind that I am not a software developer, and that >> the time spent on this should be like an investment to speed up my >> future work, but unfortunately I can't really work on this all day ;) >> >> Before starting to write down some lines of code, we had a look at the >> gnuplot Canvas page (http://skuld.bmsc.washington.edu/~merritt/gnuplot/ >> canvas_demos/ ) , and I was disappointed by not seeing a single >> example (there are more than 20, I certainly not looked at them all), >> about fast and useful interaction with the plots. I mean, apart from >> enabling a grid, what's the big deal (from my point of view, as a >> user) in having such a Canvas thing, if the result is having a static >> image? What do I know that the interaction is still possible, if they >> don't show in any way its possibilities? Panning, zooming, turning 3d >> objects, and other stuff should be the real target in my opinion! >> >> Have a look at the FLOT example page: >> http://people.iola.dk/olau/flot/examples/ >> . Apart from the very basic ones, the selection tool, zooming tool, >> online enabling of series, etc, looks very attractive to my eyes! >> Moreover, if it hadn't been for the fact of semilog or loglog plots, >> the work of including the plot in the sage notebook was done by this >> morning!! >> >> So at the end of this long day, my thoughts are: >> - FLOT is not so powerful, and the other derivatives (FLOTR, >> Protochart, etc) don't seem to be any better ( I can hardly recognize >> the differences), but still it is very fast to develop with in simple >> cases >> - matplotlib is obviously the most powerful and well integrated (my >> previous bode plot function relied on matplotlib), but I have some >> doubts about whether the rendering time would be small enough to >> provide a sufficiently satisfying user experience >> >> I hope you will hear from us pretty soon >> >> Regards >> >> Maurizio >> >>> As I understand it, matplotlib can do those sorts of things with an >>> interactive backend (i.e., wxwindows, gtk, qt, etc.). However, none of >>> those work with the web-based notebook, but the pieces are there. It >>> would be *cool* if someone would write the necessary >>> javascript/canvas/html code to make those tools available in a "canvas" >>> backend. Again, something like the gnuplot canvas backend. You might >>> be able to even reuse code from the gnuplot canvas backend. >>> >>> That said, it may be less effort to make an optional flot spkg. >>> However, for advanced plotting and deep integration with Sage, as you >>> are seeing, leveraging the power of matplotlib by just writing another >>> backend may be the best way to go in the end. >>> >>> I've looked at writing a matplotlib backend, and it didn't look >>> extremely difficult. There are examples in the backends/ directory, and >>> it looks like you can get a minimal backend up and running by just >>> writing a few functions. >>> >>> You're doing some great work on getting Flot working too! I think >>> exploring the options is what is most valuable at this point. I just >>> think that the matplotlib backend is one of the most valuable options >>> that can be explored. >>> >>> >>> >>> > Today we (Kenny and me) have a working alpha. It is unfinished, but we >>> > think that these added capabilities show the possible advantages, if >>> [snip] >>> >>> > We hope to send you some example ASAP, so that you can judge yourself >>> > and the decide what to do. >>> >>> I look forward to seeing what you have! >>> >>> Jason >> >> >> > --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
