Hi,

Consider this:

X = np.linspace(0.70, 1.1, 100)

Y = np.linspace(-1.19, 1.19, 70)

(Xs, Ys) = np.meshgrid(X, Y)

Z = np.sqrt((Xs-0.9)**2 + Ys**2) - 0.10

fig = plt.figure()

ax = fig.add_subplot(111)

ax.contour(X, Y, Z)

fig.show()

This works, but gives the y axis a different scale than the x axis so

the ellipses look like circles.

How can I get the same scale for the x- and y-axis?

I tried to set ax.set_autoscale_on(False), but that resulted in a

totally different part of the coordinate system being shown.

Thanks,

-Nikolaus

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