beamToXyz(x, ...)
xyzToEnu(x, ...)
enuToOther(x, ...)
toEnu(x, ...)"adv" or "adp".beamToXyz
calls beamToXyzAdp for an object that inhertis from
"adp" or beamToXyzAdv for an object that inhertis from
"adv".beamToXyzAdp, beamToXyzAdv,
xyzToEnuAdp, xyzToEnuAdv,
enuToOtherAdp, enuToOtherAdv,
toEnuAdp, and toEnuAdv.