dustem_read_emiles_stellar_templates.pro
5.02 KB
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FUNCTION dustem_read_emiles_stellar_templates,age_values, $
metalicity_values, $
template_wav=template_wav, $
Mstars=Mstars, $
info_only=info_only, $
info_st=info_st, $
help=help
;+
; NAME:
; dustem_read_emiles_stellar_templates
; PURPOSE:
; reads EMILES stellar population templates
; CATEGORY:
; DustEMWrap, Distributed, High-Level, User Example
; CALLING SEQUENCE:
; templates=dustem_read_emiles_stellar_templates(age_values,metalicity_values[,template_waves=][,Mstars=][,/info_only][,info_st=][,/help])
; INPUTS:
; age_values : array of age values
; metalicity_values : array of metalicity values
; OPTIONAL INPUT PARAMETERS:
; None
; OUTPUTS:
; templates : SSP templates (F_lambda) [Lsun Msun^-1 A^-1]
; OPTIONAL OUTPUT PARAMETERS:
; template_wav = common wavelength array for templates [Angstroem]
; Mstars = Mass of stars [Msun]
; info_st = info structure for the templates
; ACCEPTED KEY-WORDS:
; info_only : if set, read only the information structure
; help : if set, prints this help
; COMMON BLOCKS:
; None
; SIDE EFFECTS:
; None
; RESTRICTIONS:
; The DustEM fortran code must be installed
; The DustEMWrap IDL code must be installed
; PROCEDURES AND SUBROUTINES USED:
;
; EXAMPLES
;
; MODIFICATION HISTORY:
; Written by JPB June-2023
; Evolution details on the DustEMWrap gitlab.
; See http://dustemwrap.irap.omp.eu/ for FAQ and help.
;-
IF keyword_set(help) THEN BEGIN
doc_library,'dustem_read_emiles_stellar_templates'
templates=-1
goto,the_end
END
;dir_templates=!dustem_wrap_soft_dir+'/Data/SSPs/ssp_emiles-ch/'
dir_templates=!dustem_wrap_soft_dir+'/Data/SSPs/ssp_emiles-ch_extended/'
;read templates info file
;IMF slope Z Age Mtotal M(*+remn) M* Mremn Mgas M(*+remn)/Lv M*/Lv Mv unknown
file=dir_templates+'templates_info.txt'
format='A,F,F,F,F,F,F,F,F,F,F,F,F'
readcol,file,imf,slope,z,age,Mtot,Mstar_rem,Mstar,Mremn,Mgas,Mstar_rem_o_Lv,Mstar_o_Lv,Mv,unknown,format=format
one_st={imf:'',slope:0.,z:0.,age:0.,Mtot:0.,Mstar_rem:0.,Mstar:0.,Mremn:0.,Mgas:0.,Mstar_rem_o_Lv:0.,Mstar_o_Lv:0.,Mv:0.,unknown:0.}
info_st=replicate(one_st,n_elements(imf))
info_st.imf=imf
info_st.slope=slope
info_st.z=z
info_st.age=age
info_st.mtot=Mtot
info_st.Mstar_rem=Mstar_rem
info_st.Mstar=Mstar
info_st.Mremn=Mremn
info_st.Mgas=Mgas
info_st.Mstar_rem_o_Lv=Mstar_rem_o_Lv
info_st.Mstar_o_Lv=Mstar_o_Lv
info_st.Mv=Mv
info_st.unknown=unknown
IF keyword_set(info_only) THEN BEGIN
templates=info_st
goto,the_end
ENDIF
;stop
;file name format is ssp_emiles-ch/Ech1.30Zp0.40T13.5000_iTp0.00_baseFe_linear_FWHM_variable.fits
;=== producing age and metalicity strings for file names
age_values_4str=string(age_values,format='(F7.4)')
FOR i=0L,n_elements(age_values_4str)-1 DO age_values_4str[i]=textoidl_str_replace(age_values_4str[i],' ','0')
metalicity_values_4str=round(metalicity_values*100.)/100. ;This is the array for metalicity values in fits files names
metalicity_values_4str=string(metalicity_values_4str,format='(F5.2)')
FOR i=0L,n_elements(metalicity_values_4str)-1 DO metalicity_values_4str[i]=textoidl_str_replace(metalicity_values_4str[i],' ','p')
FOR i=0L,n_elements(metalicity_values_4str)-1 DO metalicity_values_4str[i]=textoidl_str_replace(metalicity_values_4str[i],'-','m')
;Ntemplates=n_elements(paramvalues)-1
Ntemplates=n_elements(age_values)*n_elements(metalicity_values)
Nage=n_elements(age_values)
Nmetalicity=n_elements(metalicity_values)
templates=ptrarr(Ntemplates)
;file names are like: Ech1.30Zm0.35T00.2500_iTp0.00_baseFe_linear_FWHM_variable.fits
file_start='Ech1.30'
file_end='_iTp0.00_baseFe_linear_FWHM_variable.fits'
ii=0L
Nage_str=6
Nmet_str=4
Mstars=fltarr(Ntemplates)
files_not_found=['']
FOR i=1L,Ntemplates DO BEGIN
zsign_str='p'
ij=index2ij([i-1],[Nage,Nmetalicity])
iage=ij[0,0]
imet=ij[0,1]
age=age_values[iage]
met=metalicity_values[imet]
met_str=metalicity_values_4str[imet]
age_str=age_values_4str[iage]
message,'reading template for Age '+age_str+' Met '+met_str,/continue
file=dir_templates+file_start+'Z'+met_str+'T'+age_str+file_end
fi=file_info(file)
IF fi.exists THEN BEGIN
message,'Reading SSP '+file,/continue
spec=readfits(file,h,2)
templates[ii]=ptr_new(spec)
make_axis,h,wavs
ind=where(info_st.z EQ met AND info_st.age EQ age,count)
IF count EQ 0 THEN BEGIN
message,'age,met not found in template info',/continue
stop
ENDIF ELSE BEGIN
Mstars[i-1]=info_st[ind[0]].Mstar
ENDELSE
ENDIF ELSE BEGIN
message,'file not found '+file,/continue
files_not_found=[files_not_found,file]
ENDELSE
ii=ii+1
ENDFOR
IF n_elements(files_not_found) NE 1 THEN BEGIN
files_not_found=files_not_found[1:*]
message,strmid(n_elements(files_not_found),2)+' SSP files were not found :',/continue
hprint,files_not_found
stop
ENDIF
;Nspec=n_elements(spec)
;print,min(wavs),max(wavs)
; 3500.2000 12000.250
angstroem2mic=1.e6/1.e10
template_wav=wavs*angstroem2mic ;mic
the_end:
RETURN,templates
END