dustem_compute_gb_sed_fast.pro
3.88 KB
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FUNCTION dustem_compute_gb_sed_fast,p_dim,_extra=extra,waves=waves,spec=spec
;+
; NAME:
; dustem_compute_gb_sed
; PURPOSE:
; Computes an SED from a given Grey Body spectrum
; CATEGORY:
; Dustem
; CALLING SEQUENCE:
; sed=dustem_compute_sed(p_dim[,st=][,cont=][,_extra=][,/help])
; INPUTS:
; p_dim = parameter values
; OPTIONAL INPUT PARAMETERS:
; None
; OUTPUTS:
; sed = computed SED for filters in !dustem_data
; OPTIONAL OUTPUT PARAMETERS:
; None
; 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_gb_sed'
; dustem_sed=0.
; goto,the_end
;ENDIF
;==== Compute Black body spectrum
pp=double(p_dim)
;w0=350.
w0=100.
;GET THE OBSERVATIONS AND ERRORS
;obs_sed = (*!dustem_data.sed).values
;err_sed = (*!dustem_data.sed).sigma
obs_sed = (*(*!dustem_data).sed).values
err_sed = (*(*!dustem_data).sed).sigma
;COMPUTE THE MODEL SED
;dustem_sed = obs_sed*0.D0
;ind_sed=where((*!dustem_data).filt_names NE 'SPECTRUM',count_sed)
;stop
print,'!dustem_do_cc=',!dustem_do_cc
print,'!dustem_never_do_cc=',!dustem_never_do_cc
IF !dustem_do_cc NE 0 AND !dustem_never_do_cc EQ 0 THEN BEGIN
message,'DOING color correction calculations',/info
; IF count_sed NE 0 THEN BEGIN
;stop
NNw=200L
wwmin=50. & wwmax=10000.
waves=dindgen(NNw)/(1.*NNw-1)*(alog10(wwmax)-alog10(wwmin))+alog10(wwmin)
waves=10.D0^waves
;waves=dindgen(NNw)/(1.*NNw-1)*(wwmax-wwmin)+wwmin
spec=pp(0)*(waves/w0)^(-1.*pp(2))*dustem_planck_function(pp(1),waves)
; dustem_sed(ind_sed)=dustem_cc(waves,spec,((*!dustem_data).filt_names)(ind_sed),cc=cc)
dustem_sed=dustem_cc(waves,spec,(*(*!dustem_data).sed).filt_names,cc=cc)
spec0=interpol(spec,waves,dustem_filter2wav((*(*!dustem_data).sed).filt_names))
;dustem_sed=spec0*cc
print,dustem_sed,cc,pp,spec0
;stop
; ENDIF
ENDIF ELSE BEGIN ;(!dustem_do_cc EQ 0 OR !dustem_never_do_cc EQ 1)
message,'NOT DOING color correction calculations',/info
; waves=1.d0*dustem_filter2wav(((*!dustem_data).filt_names)(ind_sed))
waves=1.d0*dustem_filter2wav((*(*!dustem_data).sed).filt_names)
spec=pp(0)*(waves/w0)^(-1.*pp(2))*dustem_planck_function(pp(1),waves)
dustem_sed=spec*(*!dustem_previous_cc)
print,dustem_sed,*!dustem_previous_cc,pp,spec
; print,dustem_sed,spec,waves,*!dustem_previous_cc
; stop
; dustem_sed(ind_sed)=spec*(*!dustem_previous_cc)
ENDELSE
;!dustem_do_cc= 1
;!dustem_never_do_cc= 0
;% DUSTEM_COMPUTE_GB_SED_FAST: DOING color correction calculations
; 27736.339 11914.539 3501.9079 850.50556
; 0.97084945 1.0627671 1.0643585 1.1851495
; 1.0000000 20.000000 2.0000000
; 28569.145 11210.865 3290.1583 717.63569
;IDL> print,dustem_sed,*!dustem_previous_cc,pp,spec
; 28987.803 11820.542 3111.8034 799.60098
; 0.97084945 1.0627671 1.0643585 1.1851495
; 1.0000000 20.000000 2.0000000
; 29858.186 11122.420 2923.6422 674.68365
;stop
;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).filt_names EQ 'SPECTRUM',count_spec)
;IF count_spec NE 0 THEN BEGIN
; dustem_sed(ind_spec)=interpol(spec,ww,(((*!dustem_data).wav)(ind_spec)))
;; dustem_sed(ind_spec)=10^interpol(alog10(spec),alog10(st.dustem.wav),alog10((((*!dustem_data).wav)(ind_spec))))
;ENDIF
;clean pointers
;heap_gc
the_end:
RETURN,dustem_sed
END