2011/10/27 Ondřej Čertík <ondrej.cer...@gmail.com>
> Hi Stefan,
>
> On Wed, Oct 26, 2011 at 12:54 PM, krastanov.ste...@gmail.com
> <krastanov.ste...@gmail.com> wrote:
> > The visual examples are in test.py in the root (the file will be
> > deleted/moved if there is ever a version for merging)- it's meant for
> copy
> > pasting or interactive shell, so you can see how it works.
> >
> > About the differences: The code in newplot is just a *simplified*
> interface
> > to whichever backend you choose (eg matplotlib, textplot, google chart
> api,
> > the current plotting module, etc). Only textplot and matplotlib backends
> are
> > present (and they are fairly simple).
> >
> > The *only* advantage of using this code instead directly one of the
> backends
> > it's that you have simplified interface for all of the common tasks
> > (including for example coloring as a function of parameters). For
> > complicated stuff you can directly access the backend.
> >
> > So instead of typing
> >
> > x_points = range(N_points)/float(step)
> > y_points = [(x**2).eval(subs={x : point}) for point in x_points]
> > do_whatever_you_need_to_do_to_use_THE_CHOSEN_BACKEND()
> >
> > you write
> >
> > p = Plot(x**2,x,start,end)
> > p.backend = THE_CHOSEN_BACKEND.
>
> I would suggest to use:
>
> p = Plot(x**2, (x, start, end))
>
> to be compatible with integrate and other parts in SymPy.
>
>
I'll change that and I'm quite sure that many other details will change. But
before that I'll wait a week or two to gather comments on the general
structure of the proposed module.
> I mentioned this patch to Aaron at the Google Mentor Summit, but
> unfortunately we didn't have time to look into it there. It is very
> important to improve the plotting support, so many thanks for the
> initiative. I'll try to review this soon and provide suggestions.
>
> Ondrej
>
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