NAME:
__call__
PURPOSE:
evaluate the DF
INPUT:
Either:
- R,vR,vT,z,vz,phi ndarray [nobjects]
- (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
- 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)