dustem_set_data.pro
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FUNCTION dustem_set_data,m_fit=m_fit,m_show=m_show,x_fit=x_fit,x_show=x_show,sed=sed,ext=ext,polsed=polsed,polext=polext,used=used,qsed=qsed,polfrac=polfrac,psi_em=psi_em,psi_ext=psi_ext,Qext=Qext,Uext=Uext,rchi2_weight=rchi2_weight,f_HI=f_HI,help=help
;+
; NAME:
; dustem_set_data
; PURPOSE:
; Initializes the dustem data structure (!dustem_data)
; CATEGORY:
; Dustem
; CALLING SEQUENCE:
; dustem_set_data(data_sed=data_sed,data_ext=data_ext,[/help])
; INPUTS:
; spec: array of structures containing a SED
; OPTIONAL INPUT PARAMETERS:
; None
; OUTPUTS:
; None
; OPTIONAL OUTPUT PARAMETERS:
; None
; ACCEPTED KEY-WORDS:
; help = If set print this help
; COMMON BLOCKS:
; None
; SIDE EFFECTS:
; initializes !dustem_data
; wavelengths are forced to be the central filter wavelength for
; photometric data
; RESTRICTIONS:
; The dustem idl wrapper must be installed
; PROCEDURE:
; None
; EXAMPLES
; dustem_init
; dir=getenv('DUSTEM_SOFT_DIR')+'/src/dustem3.8_web/SEDs/'
; file=dir+'Gal_composite_spectrum.xcat'
; spec=read_xcat(file,/silent)
; dustem_set_data,spec
; MODIFICATION HISTORY:
; Written by J.-Ph. Bernard
; see evolution details on the dustem cvs maintained at CESR
; Contact J.-Ph. Bernard (Jean-Philippe.Bernard@cesr.fr) in case of problems.
;
; V. Guillet (2012) : dustem_set_data is turned into a function which can be used
; indifferently for sed, ext, polext
; I. Choubani (2022): Introducing the dustem_check_data procedure where the new format outlined by the latest release is taken into account.
; This function uses two main input structures: DATA_SED and DATA_EXT. Polarization data is included within each.
; Generation and setting of data sets that were not present in the initial xcat file but that the user wants to plot.
;-
IF keyword_set(help) THEN BEGIN
doc_library,'dustem_set_data'
goto,the_end
ENDIF
;Cleaninig data/showing structure
for i=0L,n_tags(!dustem_data)-1 do begin
!dustem_data.(i) = ptr_new()
!dustem_show.(i) = ptr_new()
endfor
;I have decided to do the generation of data in check_data.
xx=dustem_check_data(data_sed=m_fit,data_ext=x_fit,sed=sed,ext=ext,polext=polext,polsed=polsed,polfrac=polfrac,psi_em=psi_em,qsed=qsed,used=used,qext=qext,uext=uext,psi_ext=psi_ext)
;outputs whatever the input structure has, into organized seperate structures formatted for the fitting process.
;FITTING STRUCTURE INITIALIZATION
IF isa(sed) THEN !dustem_data.sed = ptr_new(sed)
IF isa(ext) THEN !dustem_data.ext = ptr_new(ext)
;####################
;OLD VARIABLE. KEPT IT.
; If f_HI is specified, multiply the data by f_HI
If keyword_set(f_HI) and ptr_valid(!dustem_data.sed) then begin
if f_HI gt 0 then (*!dustem_data.sed).values *= f_HI else f_HI = 1.
endif else f_HI = 1.
if keyword_set(f_HI) and ptr_valid(!dustem_data.ext) then begin
if f_HI gt 0 then (*!dustem_data.ext).values *= f_HI else f_HI = 1.
endif else f_HI = 1.
defsysv,'!dustem_f_HI',f_HI
;####################
;NOTA BENE: The user is bound to fit Q and U together.
if !run_pol then begin
if keyword_set(m_fit) then begin
teststks = isa(qsed) and isa(used)
IF ~teststks then message, 'Stokes parameters are not set correctly. Please check the input structure. Aborting...'
;☆EMISSION
message, 'Polarization component(s) to fit: QSED and USED' ,/continue
;☆Mandatory presence in polar mode
IF isa(qsed) THEN BEGIN
!dustem_data.qsed = ptr_new(qsed)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_data.qsed).values *= f_HI
ENDIF
;☆Mandatory presence in polar mode
if isa(used) then BEGIN
!dustem_data.used = ptr_new(used)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_data.used).values *= f_HI
ENDIF
if isa(polsed) then BEGIN
!dustem_data.polsed = ptr_new(polsed)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_data.polsed).values *= f_HI
ENDIF
if isa(polfrac) then BEGIN
!dustem_data.polfrac = ptr_new(polfrac)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_data.polfrac).values *= f_HI
ENDIF
if isa(psi_em) then BEGIN
!dustem_data.psi_em = ptr_new(psi_em)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_data.psi_em).values *= f_HI
ENDIF
endif
if keyword_set(x_fit) then begin
;Two tests that determine what the user will eventually fit
testexstks = isa(qext) and isa(uext)
IF ~testexstks then message, 'Extinction stokes parameters/Polarization data is not set correctly. Please check the input structure. Aborting...'
;EXTINCTION - allowed for the default fitting of both because I do not know if the same formalism should be applied to the extinction data because it also implies deviding extinction data into two components.
message, 'Extinction polarization component(s) to fit: QEXT and UEXT',/continue
if isa(polext) then BEGIN
!dustem_data.polext = ptr_new(polext)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_data.polext).values *= f_HI
ENDIF
IF isa(qext) THEN BEGIN
!dustem_data.qext = ptr_new(qext)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_data.qext).values *= f_HI
ENDIF
if isa(uext) then BEGIN
!dustem_data.uext = ptr_new(uext)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_data.uext).values *= f_HI
ENDIF
endif
endif
if not keyword_set(m_show) then m_show=m_fit
;Setting of the structure that will be displayed
yy=dustem_check_data(data_sed=m_show,data_ext=x_show,sed=sed,ext=ext,polext=polext,polsed=polsed,polfrac=polfrac,qsed=qsed,used=used,qext=qext,uext=uext,psi_em=psi_em,psi_ext=psi_ext)
;stop
IF isa(sed) THEN !dustem_show.sed = ptr_new(sed)
IF isa(ext) THEN !dustem_show.ext = ptr_new(ext)
;####################
;OLD VARIABLE. KEPT IT.
; If f_HI is specified, multiply the data by f_HI
If keyword_set(f_HI) and ptr_valid(!dustem_show.sed) then begin
if f_HI gt 0 then (*!dustem_show.sed).values *= f_HI else f_HI = 1.
endif else f_HI = 1.
if keyword_set(f_HI) and ptr_valid(!dustem_show.ext) then begin
if f_HI gt 0 then (*!dustem_show.ext).values *= f_HI else f_HI = 1.
endif else f_HI = 1.
defsysv,'!dustem_f_HI',f_HI
;####################
if !run_pol then begin
if isa(m_show) then begin ; because sometimes this keyword isn't set.
teststks = isa(qsed) and isa(used)
IF (~teststks and ~isa(polsed)) or (~teststks and ~isa(polfrac)) then message, 'Stokes parameters/Polarization showing data is not set correctly. Please check the input structure. Aborting...'
if teststks and isa(polsed) and ~(isa(polfrac)) and ~(isa(psi_em)) then nowshowing = 'QSED, USED and POLSED'
if teststks and isa(polsed) and ~(isa(polfrac)) and isa(psi_em) then nowshowing = 'QSED, USED, POLSED and PSI_EM'
if teststks and ~(isa(polsed)) and isa(polfrac) and ~(isa(psi_em)) then nowshowing = 'QSED, USED and POLFRAC'
if teststks and ~(isa(polsed)) and isa(polfrac) and isa(psi_em) then nowshowing = 'QSED, USED, POLFRAC and PSI_EM'
if teststks and ~(isa(polsed)) and ~(isa(polfrac)) and ~(isa(psi_em)) then nowshowing = 'QSED and USED'
if teststks and isa(polsed) and isa(polfrac) and ~(isa(psi_em)) then nowshowing = 'QSED, USED, POLSED and POLFRAC'
if teststks and isa(polsed) and isa(polfrac) and isa(psi_em) then nowshowing = 'QSED, USED, POLFRAC, POLSED and PSI_EM'
if teststks and ~(isa(polsed)) and ~(isa(polfrac)) and isa(psi_em) then nowshowing = 'QSED, USED and PSI_EM'
message, 'Polarization component(s) to show: '+nowshowing ,/continue
If isa(polsed) then BEGIN ;Apply changes to !dustem_data here.
!dustem_show.polsed = ptr_new(polsed)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_show.polsed).values *= f_HI
ENDIF
If isa(polfrac) then BEGIN
!dustem_show.polfrac = ptr_new(polfrac)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_show.polfrac).values *= f_HI
ENDIF
IF isa(qsed) THEN BEGIN
!dustem_show.qsed = ptr_new(qsed)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_show.qsed).values *= f_HI
ENDIF
if isa(used) then BEGIN
!dustem_show.used = ptr_new(used)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_show.used).values *= f_HI
ENDIF
if isa(psi_em) then BEGIN
!dustem_show.psi_em = ptr_new(psi_em)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_show.psi_em).values *= f_HI
ENDIF
endif
if isa(x_show) then begin
teststks = isa(qext) and isa(uext)
IF (~teststks) then message, 'Extinction stokes parameters/Polarization data is not set correctly. Please check the input structure. Aborting...'
if teststks and isa(polext) and ~(isa(psi_ext)) then nowshowing = 'QEXT, UEXT and POLEXT'
if teststks and isa(polext) and isa(psi_ext) then nowshowing = 'QEXT, UEXT, POLEXT and PSI_EXT'
if teststks and ~(isa(polext)) and isa(psi_ext) then nowshowing = 'QEXT,UEXT and PSI_EXT'
if teststks and ~(isa(polext)) and ~(isa(psi_ext)) then nowshowing = 'QEXT and UEXT'
message, 'Polarization component(s) to show: '+nowshowing ,/continue
;EXTINCTION
if isa(polext) then BEGIN
!dustem_show.polext = ptr_new(polext)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_show.polext).values *= f_HI
ENDIF
IF isa(qext) THEN BEGIN
!dustem_show.qext = ptr_new(qext)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_show.qext).values *= f_HI
ENDIF
if isa(uext) then BEGIN
!dustem_show.uext = ptr_new(uext)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_show.uext).values *= f_HI
ENDIF
if isa(psi_ext) then BEGIN
!dustem_show.psi_ext = ptr_new(psi_ext)
if keyword_set(f_HI) then if f_HI gt 0 then $
(*!dustem_show.psi_ext).values *= f_HI
ENDIF
endif
endif
IF keyword_set(rchi2_weight) THEN BEGIN
!fit_rchi2_weight.sed = rchi2_weight.sed
!fit_rchi2_weight.ext = rchi2_weight.ext
IF !run_pol THEN BEGIN
IF isa(qsed) THEN !fit_rchi2_weight.qsed = rchi2_weight.qsed
IF isa(used) THEN !fit_rchi2_weight.used = rchi2_weight.used
IF isa(qext) THEN !fit_rchi2_weight.qext = rchi2_weight.qext
IF isa(uext) THEN !fit_rchi2_weight.uext = rchi2_weight.uext
ENDIF
ENDIF ELSE BEGIN
!fit_rchi2_weight.sed=1.
!fit_rchi2_weight.ext=1.
If !run_pol THEN BEGIN
IF isa(qsed) THEN !fit_rchi2_weight.qsed=1.
IF isa(used) THEN !fit_rchi2_weight.used=1.
IF isa(qext) THEN !fit_rchi2_weight.qext=1.
IF isa(uext) THEN !fit_rchi2_weight.uext=1.
ENDIF
ENDELSE
the_end:
return,0.
END