[SciPy-user] going through a lot of plots
Thu May 14 01:30:15 CDT 2009
Zachary Pincus wrote:
>>> I find myself in this situation a lot: I'm looking at a sequence of
>>> plots, one for each piece of data in a collection. I usually find
>>> myself writing a loop with a plot command followed by raw_input()so
>>> that I hit enter in the terminal window IPython session to move to
>>> next item. I usually make this conditional so that I can process in
>>> batch without looking at the plots if I choose.
>>> This has the effect of producing a newline in the terminal every time
>>> I want to move on to the next plot, which is far from ideal,
>>> especially in the situation where I'm not printing anything else in
>>> that window.
> Old-school alternative is to put the TTY into cbreak (aka "rare" mode,
> between "raw" and "cooked"), and capture a single key-hit. (Except
> that ^C still breaks, which is handy.) For windows, the C runtime has
> a similar getkey function.
> Here's windows / posix code for that that I've assembled from various
> snippets online; note that the latter uses the well-known decorator
> module. I've also included an "iskeydown" function which I find useful
> in various situations...
I have collected some useful snippets to do a similar thing too - now I
merged the functionality, added some sugar (pause functions), stirred
and cooked - see the attachment.
$ python getch.py
Are you ok with me using it in my (BSD) project?
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