dustem_compute_polsed.pro
3.11 KB
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FUNCTION dustem_compute_polsed,p_dim,stp,out_st=out_st,_extra=extra
;+
; NAME:
; dustem_compute_polsed
; PURPOSE:
; Computes an SED from a given Dustem spectrum
; CATEGORY:
; Dustem
; CALLING SEQUENCE:
; sed=dustem_compute_polsed(p_dim[,st=][,_extra=][,/help])
; INPUTS:
; p_dim = parameter values
; OPTIONAL INPUT PARAMETERS:
; stp = Dustem structure
; OUTPUTS:
; sed : computed SED for filters in !dustem_data
; dustem_qsed : SED in Q
; dustem_used : SED in U
; OPTIONAL OUTPUT PARAMETERS:
; stp = Dustem output structure
; ACCEPTED KEY-WORDS:
; help = If set, print this help
; COMMON BLOCKS:
; None
; SIDE EFFECTS:
; None
; RESTRICTIONS:
; The dustem idl wrapper must be installed
; PROCEDURE:
; None
; EXAMPLES
;
; 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.
IF keyword_set(help) THEN BEGIN
doc_library,'dustem_compute_polsed'
dustem_polsed=0.
goto,the_end
ENDIF
IF not keyword_set(stp) THEN BEGIN
stp=dustem_run(p_dim)
dustem_activate_plugins,p_dim/(*(*!dustem_fit).param_init_values),stp
ENDIF
If keyword_set(result) THEN result=stp
fact = 1.e4*1.E20/(4.*!pi)/(3.e8/1.e-6/(stp.polsed).wav)*1.e20/1.e7
P = stp.polsed.em_tot * fact ;This is Polarized intensity P
;ADDING PLUGIN TO SPECTRUM----------------
FOR i=0L,n_tags(*!dustem_scope)-1 DO BEGIN
IF total(strsplit((*(*!dustem_scope).(i)),'+',/extract) EQ 'ADD_POLSED') THEN P+=(*(*!dustem_plugin).(i))[*,3] ;3 is for the polarized portion of the plugin because this is polsed
ENDFOR
;-----------------------------------------
;MODIFYING PLUGIN----------------
FOR i=0L,n_tags(*!dustem_scope)-1 DO BEGIN
IF total(strsplit((*(*!dustem_scope).(i)),'+',/extract) EQ 'REPLACE_POLSED') THEN BEGIN
P=(*(*!dustem_plugin).(i))[*,3]
P+=(*(*!dustem_plugin).(i))[*,3] ;3 is for the polarized portion of the plugin because this is polsed
ENDIF
ENDFOR
;-----------------------------------------
dustem_polsed = (*!dustem_data.sed).values * 0.
if not isarray(P) THEN stop
IF !dustem_do_cc NE 0 AND !dustem_never_do_cc EQ 0 THEN BEGIN
message,'DOING color correction calculations',/info
ENDIF ELSE BEGIN
message,'SKIPPING color correction calculations',/info
ENDELSE
ind_polsed=where((*!dustem_data.polsed).filt_names NE 'SPECTRUM',count_polsed)
IF count_polsed NE 0 THEN BEGIN ; INCLUDE COLOR CORRECTIONS OF (Q,U) for dust & synch
filter_names=((*!dustem_data.polsed).filt_names)(ind_polsed)
spolsed=dustem_cc(stp.sed.wav,P,filter_names,cc=cc)
dustem_polsed[ind_polsed]=spolsed
ENDIF
;For spectrum data points, interpolate in log-log
;Linear interpolation leads to wrong values, in particular where few
;wavelengths points exist in the model (long wavelengths).
ind_spec=where((*!dustem_data.polsed).filt_names EQ 'SPECTRUM',count_spec)
IF count_spec NE 0 THEN BEGIN
dustem_polsed(ind_spec)=interpol(P,stp.wav,(((*!dustem_data.polsed).wav)(ind_spec)))
ENDIF
out_st=stp
;clean pointers
heap_gc
the_end:
RETURN,dustem_polsed
END