On Thu, Apr 9, 2009 at 4:02 PM, mm2ps <d...@armadaletechnologies.co.uk> wrote: > > Hi, > > How would you check that there is something to show() before you show()?
Although it is a bit inelegant, you could use the _pylab_helpers module to see how many figure managers are active home:~> ipython -pylab Python 2.5 (r25:51918, Sep 19 2006, 08:49:13) Type "copyright", "credits" or "license" for more information. IPython 0.9.1 -- An enhanced Interactive Python. ? -> Introduction and overview of IPython's features. %quickref -> Quick reference. help -> Python's own help system. object? -> Details about 'object'. ?object also works, ?? prints more. Welcome to pylab, a matplotlib-based Python environment. For more information, type 'help(pylab)'. In [1]: plot([1,2,3]) Out[1]: [<matplotlib.lines.Line2D object at 0x46bfd70>] In [2]: import matplotlib._pylab_helpers as _pylab_helpers In [3]: print _pylab_helpers.Gcf.get_num_fig_managers() 1 JDH ------------------------------------------------------------------------------ This SF.net email is sponsored by: High Quality Requirements in a Collaborative Environment. Download a free trial of Rational Requirements Composer Now! http://p.sf.net/sfu/www-ibm-com _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
