File: simple_axesgrid2.py

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matplotlib 1.1.1~rc2-1
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import matplotlib.pyplot as plt
from mpl_toolkits.axes_grid1 import ImageGrid

def get_demo_image():
    import numpy as np
    from matplotlib.cbook import get_sample_data
    f = get_sample_data("axes_grid/bivariate_normal.npy", asfileobj=False)
    z = np.load(f)
    # z is a numpy array of 15x15
    return z, (-3,4,-4,3)

F = plt.figure(1, (5.5, 3.5))
grid = ImageGrid(F, 111, # similar to subplot(111)
                nrows_ncols = (1, 3),
                axes_pad = 0.1,
                add_all=True,
                label_mode = "L",
                )

Z, extent = get_demo_image() # demo image

im1=Z
im2=Z[:,:10]
im3=Z[:,10:]
vmin, vmax = Z.min(), Z.max()
for i, im in enumerate([im1, im2, im3]):
    ax = grid[i]
    ax.imshow(im, origin="lower", vmin=vmin, vmax=vmax, interpolation="nearest")

plt.draw()
plt.show()