interface detXYToTelCoord module procedure detXYToTelCoordScalar module procedure detXYToTelCoordVector end interface
Takes a position in the DETXY (ie, in CAMCOORD2 multiplied by a factor to convert mm at the focal plane (the unit of CAMCOORD2) to units of 0.05 arcsec (the unit of DETXY)) system and returns it in TELCOORD.