File: mri_demo.py

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matplotlib 1.1.1~rc2-1
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#!/usr/bin/env python
from pylab import *
import matplotlib.cbook as cbook
# data are 256x256 16 bit integers
dfile = cbook.get_sample_data('s1045.ima', asfileobj=False)
print 'loading image', dfile
im = np.fromstring(file(dfile, 'rb').read(), np.uint16).astype(float)
im.shape = 256, 256

#imshow(im, ColormapJet(256))
imshow(im, cmap=cm.jet)
axis('off')

show()