dustem_plugin_modify_spinning_polarization.pro
1.93 KB
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FUNCTION dustem_plugin_modify_spinning_polarization, key=key, val=val, scope=scope, help=help
;+
; NAME:
; dustem_create_stext
; PURPOSE:
; MODIFIES THE SPINNING DUST SED BY INTRODUCING A POLARIZATION FRACTION p AND A POLARIZATION ANGLE psi
; CATEGORY:
; DUSTEM Wrapper
; CALLING SEQUENCE:
; dustem_plugin_modify_spinning_sed(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 dustem idl wrapper must be installed
; PROCEDURE:
; This is a dustem plugin
;-
IF keyword_set(help) THEN BEGIN
doc_library,'dustem_plugin_modify_spinning_polarization'
goto,the_end
ENDIF
scope='ADD_QSED+ADD_USED'
IF ptr_valid((*!dustem_fit).CURRENT_PARAM_VALUES) THEN BEGIN
p_dii=(*(*!dustem_fit).CURRENT_PARAM_VALUES)
st=dustem_run(p_dii)
ENDIF ELSE BEGIN
p_dii=(*(*!dustem_fit).PARAM_INIT_VALUES)
st=dustem_run(p_dii)
ENDELSE
;stop
psi=0.
smallp=0. ;supposing the spinning dust is
IF keyword_set(key) THEN BEGIN
ind1=where(key EQ 1,count1)
ind2=where(key EQ 2,count2)
IF count1 NE 0 THEN smallp=val[ind1[0]] ; setting smallp from pd
IF count2 NE 0 THEN psi=val[ind2[0]] ; setting psi from pd
ENDIF
fact = 1.e4*1.E20/(4.*!pi)/(3.e8/1.e-6/(st.sed).wav)*1.e20/1.e7
SpinningI=(st.sed.em_grain_1)+(st.sed.em_grain_2)*fact
;760
SpinningI[0:760]=0.
Nwaves=(size(SpinningI))[1]
polar_ippsi2iqu,SpinningI,SpinningQ,SpinningU,replicate(smallp,Nwaves),replicate(psi,Nwaves)
out=fltarr(Nwaves,3)
out[*,0]=SpinningI
out[*,1]=SpinningQ
out[*,2]=SpinningU
return, out
the_end:
end