galpy.util.bovy_coords.sphergal_to_rectgal
galpy.util.bovy_coords.vrpmllpmbb_to_vxvyvz
galpy.util.bovy_coords.
uv_to_Rz
NAME:
PURPOSE:
calculate R and z from prolate confocal u and v coordinates
INPUT:
u - confocal u v - confocal v delta= focus
u - confocal u
v - confocal v
delta= focus
OUTPUT:
(R,z)
HISTORY:
2012-11-27 - Written - Bovy (IAS)