Re: [Matplotlib-users] Display Pixel intensity

[Jae-Joon L. <lee...@gm...>]

See

http://www.mail-archive.com/mat...@li.../msg13203.html

http://www.mail-archive.com/mat...@li.../msg13204.html

-JJ


On Tue, Feb 23, 2010 at 9:22 AM, Sebastian Rhode
<seb...@go...> wrote:
> Hi,
>
> has anyone a good idea how to interactively display the xy coordintes (as
> whole numbers) and the pixel intensity using the mouse cursor. Here is the
> code snippet:
>
> ...
> fig = plt.figure()
> ax1 = fig.add_subplot(111)
> channel_select = 1
> p = imread(filename) # normally I use TIFF file
> if (p.ndim > 2):
>     p1 = p[:,:,channel_select] # if more than 1 channel --> select
> else:
>     p1 = p
>
> ax1.imshow(p1)
> plt.show()
> ...
>
> So far only the XY coordinates are displayed, but not as whole numbers and
> even negative xy values are displayed, if the cursor is move to the corners
> (???). And of course I would like the pixel intensity to be displayed ...
>
> Thanks,
>
> Sebi
>
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