@spiceErrorCheck<EOL>def latcyl(radius, lon, lat):
radius = ctypes.c_double(radius)<EOL>lon = ctypes.c_double(lon)<EOL>lat = ctypes.c_double(lat)<EOL>r = ctypes.c_double()<EOL>lonc = ctypes.c_double()<EOL>z = ctypes.c_double()<EOL>libspice.latcyl_c(radius, lon, lat, ctypes.byref(r), ctypes.byref(lonc),<EOL>ctypes.byref(z))<EOL>return r.value, lonc.value, z.value<EOL>
Convert from latitudinal coordinates to cylindrical coordinates.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/latcyl_c.html

:param radius: Distance of a point from the origin.
:type radius:
:param lon: Angle of the point from the XZ plane in radians.
:param lat: Angle of the point from the XY plane in radians.
:return: (r, lonc, z)
:rtype: tuple