Julia PyPlot: plot 3D surface with as face colors the norm of surface gradient
<p>Does anyone know how to plot a 3D surface with Julia's Pyplot with e.g the norm of 
the surface-gradient as the face color?</p>

<p>Similar to this topic for Python: <a href="https://stackoverflow.com/questions/6539944/color-matplotlib-plot-surface-command-with-surface-gradient">Color matplotlib plot_surface command with surface gradient</a></p>