freegs.critical.find_psisurface# freegs.critical.find_psisurface(eq, psifunc, r0, z0, r1, z1, psival=1.0, n=100, axis=None)[source]# eq - Equilibrium object (r0,z0) - Start location inside separatrix (r1,z1) - Location outside separatrix n - Number of starting points to use