dustem_create_stext.pro
1.51 KB
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FUNCTION dustem_create_stext ,st, key=key, val=val, scope, help=help
;+
; NAME:
; dustem_create_stext
;
; PURPOSE:
; Produces stokes extinction parameters (cross sections / optical depths)
;
; CATEGORY:
; DUSTEM Wrapper, Plugin, Distributed
;
; CALLING SEQUENCE:
; dustem_create_stext(st,key=key,val=val)
;
; INPUTS:
; st (st = dustem_run(p_dim))
;
; OPTIONAL INPUT PARAMETERS:
; key = input parameter number
; val = input parameter value
;
; OUTPUTS:
; out = array containing the extinction stokes parameters
;
; OPTIONAL OUTPUT PARAMETERS:
; None
;
; ACCEPTED KEY-WORDS:
; help = if set, print this help
;
; COMMON BLOCKS:
; None
;
; SIDE EFFECTS:
; None
;
; RESTRICTIONS:
; The DustEM fortran code must be installed
; The DustEMWrap IDL code must be installed
;
; PROCEDURE:
; This is a dustem plugin
; EXAMPLES
;
; MODIFICATION HISTORY:
; 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_create_stext'
goto,the_end
ENDIF
psi_ref_ext=0
out=['']
IF keyword_set(key) THEN BEGIN
a=where(key EQ 1,count1)
IF count1 NE 0 then begin
psi_ref_ext=(val(a))(0)
;test to not devide by zero
frac=st.polext.ext_tot/st.ext.ext_tot
tes=where(finite(frac) eq 0)
frac(tes)=0.
polar_ippsi2iqu,((st.polext).ext_tot),Q_ext,U_ext,frac,psi_ref_ext
out=[out,Q_ext,U_ext]
endif
ENDIF
scope=((*!dustem_scope).stext)
return, out[1:*]
the_end:
END