What is happening is that you are not telling the image to redraw, so you
are only seeing it refresh for other reasons. Try adding a fig.draw() call
prior to the raw_input() call.
Cheers!
Ben Root
On Tue, Oct 14, 2014 at 10:03 AM, Slavin, Jonathan <jsla...@cfa.harvard.edu>
wrote:
> Hi all,
>
> In my work lately I have often wanted to browse through a series of
> images. This means displaying the image(s), looking at it/them and then
> continuing. I have coded this in a few different ways, but it is generally
> pretty slow -- which is to say that the image display takes more than a
> couple seconds (~4) after I tell it to continue to the next image. I
> tested the loop without image display and it was a factor of ~80 times
> faster than it was with image display, so it's doesn't have anything to do
> with reading the images from disk. My latest approach is basically:
> first = True
> fig = plt.figure()
> for file in imagefiles:
> # read in image data (fits files)
> if first:
> ax = fig.add_suplot(1,1,1)
> im = ax.imshow(image)
> else:
> im.set_data(image)
> ans = raw_input('continue?')
> if ans == 'n':
> break
>
> Is there a more efficient way to do this?
>
> Regards,
> Jon
>
> --
> ________________________________________________________
> Jonathan D. Slavin Harvard-Smithsonian CfA
> jsla...@cfa.harvard.edu 60 Garden Street, MS 83
> phone: (617) 496-7981 Cambridge, MA 02138-1516
> fax: (617) 496-7577 USA
> ________________________________________________________
>
>
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