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import pylab as pl
import numpy as np
def imshow(array, cmap='gray',interpolation='nearest', alpha=1.0,
vmin=None, vmax=None, origin=None, extent=None):
"""
Wrapper for pylab.imshow that displays array values as well
coordinate values with mouse over.
"""
pl.imshow(array.T, cmap=cmap, interpolation=interpolation, alpha=alpha,
vmin=vmin, vmax=vmax, origin=origin, extent=extent)
ax = pl.gca()
ax.format_coord = __report_pixel
def __report_pixel(x, y):
x = np.round(x)
y = np.round(y)
v = pl.gca().get_images()[0].get_array()[y, x]
return "x = %d y = %d v = %5.3f" % (x, y, v)
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