galpy.df.streamdf.__call__

streamdf.__call__(*args, **kwargs)[source]

NAME:

__call__

PURPOSE:

evaluate the DF

INPUT:

Either:

  1. R,vR,vT,z,vz,phi ndarray [nobjects]

  2. (Omegar,Omegaphi,Omegaz,angler,anglephi,anglez) tuple if aAInput

where:

Omegar - radial frequency

Omegaphi - azimuthal frequency

Omegaz - vertical frequency

angler - radial angle

anglephi - azimuthal angle

anglez - vertical angle

  1. Orbit instance or list thereof

log= if True, return the natural log

aaInput= (False) if True, option b above

OUTPUT:

value of DF

HISTORY:

2013-12-03 - Written - Bovy (IAS)