Le 16/02/2012 02:20, Alexa Villaume a écrit :
> Try using 'xticks' and 'yticks', those commands let you define the 
> location and label fo your tick marks.
>
This *alone* will not do, the image might be scaled badly. Add extent.

Try this:

fig   = plt.figure()
frame = plt.subplot(111)
im=frame.imshow(data,extent=[0,3400,0,3400])
plt.xticks([0,3400]); plt.yticks([0,3400])
plt.xlabel('X (nm)')
plt.ylabel('Y (nm)')
plt.colorbar(im)

plt.show()

==

Jerzy Karczmarczuk
Caen, France


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