dustem_read_qabs_lv.pro
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FUNCTION dustem_read_qabs_lv,file,silent=silent,read_densities=read_densities
;stop
st=''
Nmax=10000L
sts=strarr(Nmax)
openr,unit,file,/get_lun
;==read comments
str='' & first_char='#'
WHILE first_char EQ '#' DO BEGIN
readf,unit,str
first_char=strmid(str,0,1)
ENDWHILE
;read number of sizes
Nsizes=fix(str)
;Get sizes
readf,unit,st
sizes=float(str_sep(strcompress(strtrim(st,2)),' '))
Ncol=Nsizes
IF keyword_set(read_densities) THEN BEGIN
readf,unit,st
stop
IF st EQ '#### Qabs ####' THEN BEGIN
message,'Problem with size dependent densities in Qabs.DAT',/continue
;stop
ENDIF
densities=float(str_sep(strcompress(strtrim(st,2)),' '))
ENDIF ELSE BEGIN
densities=fltarr(Nsizes)+la_undef()
ENDELSE
;stop
;==read comments
str='' & first_char='#'
WHILE first_char EQ '#' DO BEGIN
readf,unit,str
first_char=strmid(str,0,1)
ENDWHILE
;== read Qabs
sts[0]=str
nlines=1L
first_char=' '
WHILE first_char NE '#' DO BEGIN
readf,unit,st
sts(nlines)=st
nlines=nlines+1
first_char=strmid(st,0,1)
ENDWHILE
qabs_str=sts[0:nlines-2]
;stop
;==read comments
str='' & first_char='#'
WHILE first_char EQ '#' DO BEGIN
readf,unit,str
first_char=strmid(str,0,1)
ENDWHILE
;== read Qsca
sts(*)=''
sts(0)=str
nlines=1L
first_char=' '
WHILE not eof(unit) and first_char NE '#' DO BEGIN
readf,unit,st
sts(nlines)=st
nlines=nlines+1
first_char=strmid(st,0,1)
ENDWHILE
close,unit
free_lun,unit
qsca_str=sts(0:nlines-1)
Nlines=n_elements(qsca_str)
qabs_values=fltarr(Nlines,Ncol)
qsca_values=fltarr(Nlines,Ncol)
;stop
FOR i=0L,Nlines-2 DO BEGIN
qabs_values(i,*)=str_sep(strcompress(strtrim(qabs_str(i),2)),' ')
qsca_values(i,*)=str_sep(strcompress(strtrim(qsca_str(i),2)),' ')
ENDFOR
;== Make output structure
cmd='one_st={'
FOR i=0L,Ncol-1 DO BEGIN
cmd=cmd+'v'+strtrim(i+1,2)+':'+'0.'
IF i NE Ncol-1 THEN BEGIN
cmd=cmd+','
ENDIF ELSE BEGIN
cmd=cmd+'}'
ENDELSE
ENDFOR
toto=execute(cmd)
qabs_st=replicate(one_st,Nlines)
qsca_st=replicate(one_st,Nlines)
;=== fill in the qabs structure
FOR j=0L,Ncol-1 DO BEGIN
qabs_st.(j)=reform(qabs_values(*,j))
qsca_st.(j)=reform(qsca_values(*,j))
ENDFOR
full_st={file:file,Nsizes:Nsizes,sizes:sizes,densities:densities,Qabs:qabs_st,Qsca:qsca_st}
return,full_st
END