Plot 3D Contour from an Image using extent with Matplotlib

Question

As I present here (in 2D), I\'m wondering if how I could \"scale\" an image input to be plotted to a range in the plot. To be more clear, this is what I need:

I have a 4

Answer 1

Try this insted:

fig = plt.figure()
ax = fig.gca(projection='3d')
row = np.linspace(-1, 1, 400)
X,Y = np.meshgrid(row,row)
CS = ax.contour(X, Y, im, cmap=cm.coolwarm)
plt.clabel(CS, inline=1, fontsize=10)
plt.savefig("ContourLevel3D.png")