galpy.util.coords.cyl_to_rect_vec¶
- galpy.util.coords.cyl_to_rect_vec(vr, vt, vz, phi)[source]¶
NAME:
cyl_to_rect_vec
PURPOSE:
transform vectors from cylindrical to rectangular coordinate vectors
INPUT:
vr - radial velocity
vt - rotational velocity
vz - vertical velocity
phi - azimuth
OUTPUT:
vx,vy,vz
HISTORY:
2011-02-24 - Written - Bovy (NYU)