;+
; PROJECT
;           SolarB EIS
;
; NAME
;           EIS_RASTER_ANGLE_TO_MIRROR_STEP
;
; PURPOSE
;           Raster angle to mirror step conversion
;
; CATEGORY
;           EIS timeline planning
;
; WRITTEN
;           Chunkey Lepine Mar-2007 RAL
;
; VERSION
;           v0.1 JAR 25-Apr-2007
;               Use "eis_get_fmirr_ss" function to return fine mirror
;               step size from $SSW/hinode/eis/response/cal_response.txt
;-
;************************************************************************
FUNCTION eis_raster_angle_to_mirror_step, step_size

; Get fine mirror step size from cal_response.txt file
fmirr_ss = eis_get_fmirr_ss()

mirror_step = step_size / (2. * fmirr_ss)

RETURN , ROUND(mirror_step)

END