In Sage the plots appear "inline", but the plots are saved as files in a
directory structure within the working worksheet directory. From my reading
here:
http://ipython.org/ipython-doc/dev/interactive/htmlnotebook.html#the-notebook-format
it appears that the ipython notebook saves everything inside a single json
file, which is probably also how one gets everything "inline". I am just
thinking out loud; not sure if this is exactly how it works - but it does
look like it is not compatible with how the Sage plots work.
There are two possible solutions:
1. Find out how matplotlib plots are handled. They must be saved in some
directory as png files before they are displayed in the ipython notebook.
If you can find that directory, then give that path along with a file name
to the Sage's plot command, like this:
plot(x).save('/path/to/directory/file.png')
2. Use Sage to plot, but at the last step, take the matplotlib Figure
object out of sage. Then use some direct matplotlib calls to show this
figure (I don't know exactly what they should be), like this:
p = plot(x) + plot(x^2) + list_plot(range(5))
pm = p.matplotlib(<pass other options as you see fit>) # This is a
matplotlib Figure object
from matplotlib import pyplot as plt
# Some matplotlib commands which can incorporate this Figure object into
the plt object
plt.show()
On Friday, May 31, 2013 9:41:34 PM UTC+8, Jose Guzman wrote:
>
> Hi everyboydy!
>
>
> Is there any way to display Sage plots in inline mode? I've tried sage
> ipython notebook -pylab=inline but It did not work.
>
>
> Declaring %pylab inline does not help, for example:
>
> >>> from sage.all import*
> >>> t = var('t')
> >>> plot(sin(t), 0, 2*pi)
>
> n _plot_args(self, tup, kwargs)
> 290 tup = tup[:-1]
> 291 elif len(tup) == 3:
> --> 292 raise ValueError('third arg must be a format string')
> 293 else:
> 294 linestyle, marker, color = None, None, None
>
> ValueError: third arg must be a format string
>
> Thanks!
>
> Jose
>
> --
> Jose Guzman
> http://www.ist.ac.at/~jguzman/
>
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