Introduction - If you have any usage issues, please Google them yourself
SPHERE3D(Zin,theta_m ax,phi_min,phi_max,Rho,meshscale)
plots the 3D profile Zin as a mesh plot on a spherical surface
of radius Rho, between horizontal sweep angles theta_min and
theta_max and vertical phi_min and phi_max, with mesh size
determined by meshscale.