def imshow(self, canvas, X, extent=None, label=None, vmin=None, vmax=None, **kwargs):
raise NotImplementedError("<STR_LIT>")<EOL>
Show the image stored in X on the canvas.

The origin of the image show is (0,0), such that X[0,0] gets plotted at [0,0] of the image!

the kwargs are plotting library specific kwargs!