Determine the central wavelength in Angstroms ECH_WCENTRAL
Use the grating equiation directly to determine the central wavelength.
ECH_INIT
must be called before calling this routine.
CALL
ECH_WCENTRAL
(M, THETA
, GAMMA
, WC
, STATUS
)
READ | M | INTEGER | Order number |
READ | THETA | REAL | Echelle theta angle corresponding to the current configuration (radians) |
READ | GAMMA | REAL | Echelle gamma angle corresponding to the current configuration (radians) |
WRITE | WC | REAL | Central wavelength of this order (Angstroms) |
READ , WRITE | STATUS | INTEGER | Global status value |
C.J. Hirst UCL
(ZUVAD
::CJH
)