[Matplotlib-users] placing a plot on top of an imshow

[rafa5 <rap...@ya...>]

Hi guys,

I'm having problems creating a plot. I attached a crude version that I drew
with Gimp to show what I actually want to do with matplotlib 
http://www.nabble.com/file/p25667058/example2.png example2.png . Basically
it boils down to placing an axes instance on top of an existing axes with an
imshow already on it. In the end I would like to have a kind of lineout of
the values of the array of the imshow along an x=constant & y=constant line.
So my pathetic (and unsuccesful attempt) is something like:

import matplotlib.pyplot as p
fig = p.figure(1)

ax1_box = [0.1, 0.1, 0.5, 0.5]
ax2_box = [0.1, 0.1, 0.5, 0.1]

ax1 = fig.add_axes( ax1_box )
ax1.imshow(data)

ax2 = fig.add_axes( ax2_box, frameon=False)
ax2.plot( data[5 , :] )                              #lineout of 6th row for
example
p.setp(ax2b, xticks=[], yticks=[])


My problems:
as I don't want to add axis labels ax2 data plot is wider than ax1 data
plot.
when i resize the window ax1 and ax2 move relative to another.
I hope it's possible to also do the lineput along the vertical (y) axis.
I'm too stupid to figure this out myself.

Thanks a lot in advance for any suggestions :)

Raphael
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