; PMTRAS_DBASE_PREDICT (pred_times, fitparm)
; Predicts roll angle(degrees), given fitting parameters from hsi_dbase_fit
;
; There are 16 fit parameters.
;
FUNCTION pmtras_dbase_predict, pred_times, fitparm
orbangvel = 2*!DPI / fitparm[3]
dayangvel = 2*!DPI / 86400.
angvel = [orbangvel*(FINDGEN(4)+1), dayangvel, dayangvel*2]
nt = N_ELEMENTS(pred_times)
t	= DOUBLE(pred_times)
angle	= fitparm[0] + fitparm[1]* t + fitparm[2]* t^2
FOR n=0, nt-1 DO BEGIN
	tn	= t[n]
	FOR k=0,5 DO angle[n] = angle[n] + fitparm[4+2*k]*COS(tn*angvel[k]) + fitparm[5+2*k]*SIN(tn*angvel[k])
ENDFOR
RETURN, angle
END