I thought J. Palmieri and I had fixed that, but it looks like his patch hasn't made it in for some reason. It is trac 2339:
http://trac.sagemath.org/sage_trac/ticket/2339 That said, I think the way Sage uses matplotlib currently is somewhat confusing and 2D plotting needs lots of other work (one of my pet peeves is the way margins are added to the bounds). -M. Hampton On Aug 23, 2:01 pm, "William Stein" <[EMAIL PROTECTED]> wrote: > On Sat, Aug 23, 2008 at 11:58 AM, Philippe Saade <[EMAIL PROTECTED]> wrote: > > > On Sat, Aug 23, 2008 at 7:47 PM, Arnaud Bergeron <[EMAIL PROTECTED]> wrote: > > >> 2008/8/23 Philippe Saade <[EMAIL PROTECTED]>: > > >>> Hi group, > > >>> i'am a little bit confused while analysing Sage Python packages and > >>> (newbie's default) a would like to ask a simple question : > > >> For the next time, this sort of question goes to [EMAIL PROTECTED] > > > Ok, i'll get it for next time. > > >>> when one types > > >>> var('x') > >>> f_exp = exp(x) > >>> plot_f_exp = plot(f_exp) > >>> plot_f_exp.show() > > >>> what happens exactly in the "plot()" part ? > >>> is sage/plot/plot.py in charge of that plot() ? > > >> In sage/plot/plot.py the __call__ method in the PlotFactory class is > >> the function that is called. > > > Thanks. I didn't noticed it while reading sage/plot/plot.py. > > >>> Is the notebook calling some other function ? > > >> It calls prepare() over your input as it always does, but aside from > >> that, there are no special commands > > >>> What are the exact options available for that plot command ? [using > >>> Tab gives me a help page talking about xmin, xmax, etc and these don't > >>> work...] > > >> To see a list of options, type: > > >> plot? > > >> in a notebook cell and evaluate it. > > >> If you are saying you've seen that list and the options do not work, > >> you will have to post the exact command you entered for us to see what > >> is wrong. > > It's very simple : if i type > > plot? under 3.1.1 i get the help page which contains the following section : > > > PLOT OPTIONS: > > The plot options are > > plot_points -- the number of points to initially plot before > > doing adaptive refinement > > plot_division -- the maximum number of subdivisions to > > introduce in adaptive refinement. > > max_bend -- parameter that affects adaptive refinement > > xmin -- starting x value > > xmax -- ending x value > > color -- an rgb-tuple (r,g,b) with each of r,g,b between 0 and 1, or > > a color name as a string (e.g., 'purple'), or an HTML > > color such as '#aaff0b'. > > > The two options named xmin and xmax are not valid options. > > (as in > > sage: plot(exp,xmin=-1,xmax=3) > > ) > > > As William said that the plot function has been completely rewritten, > > Sorry, I only meant that the part of the function that does > adaptive refinement has been rewritten. > > The xmin/xmax stuff used to work, but not so long ago Bobby > Moretti rewrote all the plot code to use > > plot(f, (a,b)) > > to plot from a to b, to be more consistent. He must have forgot > to change the docs appropriately as you point out above. Thanks! > > > it might be that all this is unnecessary noise and i apologize > > sincerely for it. > > We want to know about all bugs and mistakes! THanks! > > > > > I am writing a tutorial in french and i wanted to cover all possible > > options... > > > Thanks for your patience > > > Philippe > > >> Arnaud > > >>> Thanks > >>> Philippe > >>> P.S. : NewbieMode=Strict.... > > -- > William Stein > Associate Professor of Mathematics > University of Washingtonhttp://wstein.org --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
