Ok, I understand about agg, but I am still a bit confused. First when I
run the suggested code using whatever the default backend is the figure
is only displayed for a second and then it goes away and the program
ends. I guess what I am really interested in is what plt.figure()
does. It seems to be creating a figure manager which has a canvas and a
figure in it, but which one of these is responsible for the
showing/saving to file?
Thanks for your help
On 1/16/13 5:02 AM, Francesco Montesano wrote:
Hi Kelson,
2013/1/16 Kelson Zawack <k...@cornell.edu <mailto:k...@cornell.edu>>
I want to create a matplotlib figure as part of a program I am writing
and therefore would like to create the figure in a fully object
oriented
way, ie not in the pyplot state-full way. I understand how to
work with
a figure object to create axes objects and then fill the axes objects
with primitive artists but I can't figure out what type of object
to put
the figure object in to get it displayed.
using qt4agg for me this works (version 1.2.0)
fig = plt.figure()
ax = fig.add_subplot(111)
ax.plot([1,2])
fig.show()
From digging around in the
source it looks like the show() method comes from the backend, but
when
I looked in 'matplotlib/backends/backend_agg' I saw no such object.
What am I missing? I guess I could put the figure in a Qt window,
but I
like the functionality provided by the default matplotlib window.
Thanks for the help
"agg" is not an interactive backend and is useful only when saving
figures
(http://matplotlib.1069221.n5.nabble.com/Backend-Agg-show-plot-td13162.html).
Thats why there is no show().
e.g. qt4agg gets show from qt4
does this help?
Francesco
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