;+
;Project    SolarB EIS
;
;Name       EIS_STUDY_VOLUME_STRING
;
;Purpose    
;           Calculate study duration - to be improved
;
;Category   EIS technical planning
;
;Written    Chunkey Lepine, RAL, d.r.lepine@rl.ac.uk, 0044-1235-44-6515
;
;Version    V0.0 Feb 2005
;           v0.1 Aug 2006
;                Included UNITS parameter
;-
;************************************************************************
FUNCTION eis_study_volume_string , st , units = units

;stop
;
;
;IF (KEYWORD_SET(units) NE 1) THEN units = 0
;
;
;nRasters = sy.nRasters
;rasters  = sy.studyRasters
;st_vol   = 0
;FOR i = 0, nRasters-1 DO BEGIN
;
;    ra_vol = rasters[i].ra_volume ;* rasters[i].ra_repeats
;    ;ra_vol = eis_compression(ra_vol , rasters[i].ra_compression)
;    st_vol = st_vol + ra_vol
;
;ENDFOR

; What Volume units are we using. Default is index = 0 -> kBits
;                                            index = 1 -> bits
CASE units OF
    0:      BEGIN
                formattedVolume = STRING(format='(F-10.2)',st.volume/1024.)
                unitString      = ' kBits'
            END
    1:      BEGIN
                formattedVolume = st.volume
                unitString      = ' bits'
            END
    ELSE:   stop
ENDCASE

volumeString = STRCOMPRESS(formattedVolume,/REMOVE_ALL) + unitString


RETURN , volumeString
end