galpy.util.bovy_coords.rect_to_cyl_vec¶
-
galpy.util.bovy_coords.
rect_to_cyl_vec
(vx, vy, vz, X, Y, Z, cyl=False)¶ NAME:
rect_to_cyl_vecPURPOSE:
transform vectors from rectangular to cylindrical coordinates vectorsINPUT:
vx -
vy -
vz -
X - X
Y - Y
Z - Z
cyl - if True, X,Y,Z are already cylindrical
OUTPUT:
vR,vT,vzHISTORY:
2010-09-24 - Written - Bovy (NYU)