freegs.critical.find_critical# freegs.critical.find_critical(R, Z, psi, discard_xpoints=True)[source]# Find critical points Inputs# R:R(nr, nz) 2D array of major radii Z:Z(nr, nz) 2D array of heights psi:psi(nr, nz) 2D array of psi values returns: opoint (list) – List of O-points (magnetic axes) consisting of (R, Z, psi) tuples xpoint (list) – List of X-points (magnetic axes) consisting of (R, Z, psi) tuples