On Thu, Sep 24, 2009 at 1:25 PM, Pavel Solin <so...@unr.edu> wrote: > Hi, > thanks for many useful hints. > > On Thu, Sep 24, 2009 at 3:33 AM, William Stein <wst...@gmail.com> wrote: >> >> On Thu, Sep 24, 2009 at 3:05 AM, Ondrej Certik <ond...@certik.cz> wrote: >> > >> > Hi Pavel, >> > >> > thanks a lot for the feedback on the notebook. I think every single >> > point that you raised annoys me too and it should be fixed. >> >> I fully agree. In the meantime, I did list a few workarounds for some >> of the issues you have below, which you might find helpful. >> >> > >> > On Wed, Sep 23, 2009 at 10:57 PM, Pavel Solin <so...@unr.edu> wrote: >> >> Hi, >> >> by now I spent many hours with programming inside the >> >> web notebook, so here are some suggestions how to make >> >> this kind of work more pleasant: >> >> >> >> (1) Coloring source code would help a lot. >> >> We implemented this before and it was way too slow. We should try again. > > Of course one can live without it, but the look&feel matters. I am using > the web notebook virtually in every class of a numerical methods course.
Some people did some test yesterday and concluded that highlighting should definitely be doable now. It's now "highlighted" on my list. > A few sample worksheets are here: > > http://nb.femhub.org/home/pub/45 > http://nb.femhub.org/home/pub/43 > http://nb.femhub.org/home/pub/44 > http://nb.femhub.org/home/pub/41 > http://nb.femhub.org/home/pub/34 > http://nb.femhub.org/home/pub/37 > http://nb.femhub.org/home/pub/39 > http://nb.femhub.org/home/pub/33 > > So far the students do not have to do homeworks in the > notebook yet, but I would like to change it soon. > >> >> >> (2) Saving worksheets is cumbersome, there should be >> >> a possibility to save all user's worksheets at once. >> >> This is implemented, but not turned on by default because it locks the >> server temporarily. >> >> >> (3) When image is saved and latex some text written to output, the >> >> image anyway appears after the text. So one does not >> >> have an opportunity to create a sequence of images >> >> with some text description below each of them. This should >> >> be fixed. >> >> There is a way to do this but it's not trivially straightforward yet. >> (you have to use <img src="cell://image.png"> and then you can >> put images anywhere using arbitrary html). >> >> There is also a graphics_array command for laying out images. >> >> >> (4) If the program becomes longer, it is cumbersome to >> >> scroll down to the "evaluate" button, then look at the output, >> >> then scroll a long way up again to fix a minor issue, and >> >> repeat the whole process. Most of the time, one only works on >> >> one function but needs to scroll through the text of all the >> >> other ones too. It would help a lot to be able to collapse >> >> functions which are not being edited at the moment (but >> >> they still would be evaluated all together). >> >> 1. Use shift-enter instead of clicking Evaluate. >> 2. Use %hide at the top of a cell to collapse it. >> >> Of course it would be nice to have a collapse button. > > But then one would have to evaluate the cells separately, right? > Imagine that you have 8 functions in 8 different cells. Perhaps > I am missing something and one can evaluate multiple cells > at once. No, you're exactly right. I'm only mentioning some partial workaround for right now. At this point in time, the more features you request the better! > >> >> >> (5) Undo was already discussed, this functionality is much needed. >> >> What kind of undo do you want? There is a snapshot every few minutes, >> and you can undo in any given input cell, since the browser provides >> that for any textarea. > > Do you know Emacs? Anything closer to it would be great. Yes, I know Emacs well. I personally use Firefox webapps (mainly gmail and the sage notebook) half the time and Emacs the other half the time. I really love emacs -- it's a work of brilliance. >> >> (6) The default graphical resolution of images is not too good. >> >> It would be nice to have some handle on it, as well as on their >> >> size and position in the browser. It should be possible to >> >> put several of them next to each other horizontally, etc. >> >> Perhaps this is possible and I just do not know how to do it. >> >> In Sage at least, you can use the figsize option to show to adjust this. >> One also output in svg format. >> >> >> (7) I have now approx. 8 different worksheets for elementary >> >> numerical methods and there will be (hopefully many) more. >> >> It would be useful for me to compose my private "library" from >> >> which I could then import any of them in the same way as things >> >> are imported from sympy, numpy etc. This would greatly >> >> facilitate classroom demonstrations. >> >> I agree. How do you envision doing this. > > I am refering to the web notebook. It would have a Libraries button that > would show my existing libraries, and offer me to create a new one or edit > existing. It should be possible to add/delete worksheets or just functions > from there. One should be able to import anything from his/her libraries, > without editing any worksheets. Once published, the libraries could be used > by anyone. > > In general, I am very interested in adding interactive graphical > capabilities > into the web notebook, sincee our primary goal is to use it for interactive > solution > of PDEs (the FEMhub project). One should be able to do geometry definition, > mesh generation, definition of boundary conditions, and visualization in the > web browser. We are working on this. I hope that some of this would be > interesting for you guys too. Definitely!!! William > > Best, > > Pavel > >> >> >> >> >> Best, >> >> >> >> Pavel >> >> >> >> -- >> >> Pavel Solin >> >> University of Nevada, Reno >> >> http://hpfem.math.unr.edu/people/pavel/ >> >> Hermes project: http://hpfem.org/ >> >> FEMhub project: http://femhub.org/ >> >> >> >> > >> >> >> > >> > >> > >> > >> >> >> >> -- >> William Stein >> Associate Professor of Mathematics >> University of Washington >> http://wstein.org > > > > -- > Pavel Solin > University of Nevada, Reno > http://hpfem.math.unr.edu/people/pavel/ > Hermes project: http://hpfem.org/ > FEMhub project: http://femhub.org/ > -- William Stein Associate Professor of Mathematics University of Washington http://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 -~----------~----~----~----~------~----~------~--~---
