dustem_read_lambda.pro
1.41 KB
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FUNCTION dustem_read_lambda,file,silent=silent,help=help
;+
; NAME:
; dustem_read_lambda
;
; PURPOSE:
; reads information relating to wavelengths used for the dust spectra
;
; CATEGORY:
; DustEMWrap, Distributed, LowLevel, Initialization
;
; CALLING SEQUENCE:
; st=dustem_read_lambda(file)
;
; INPUTS:
; file : input file to be read
;
; OPTIONAL INPUT PARAMETERS:
;
; OUTPUTS:
; st : dustem data structure
;
; OPTIONAL OUTPUT PARAMETERS:
;
; ACCEPTED KEY-WORDS:
; help : writes this help
;
; COMMON BLOCKS:
; None
;
; SIDE EFFECTS:
;
; RESTRICTIONS:
; The DustEM fortran code must be installed
; The DustEMWrap IDL code must be installed
;
; PROCEDURES AND SUBROUTINES USED:
;
; 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_read_lambda'
st=0.
goto,the_end
ENDIF
readcol,file,lambda,silent=silent,comment='#',format='F'
;this will actually read the number of wavelengths as the first value in the output structure
;ie st.(0)
;{
; "LAMBDA": 800.00000
;}
;The wrapper formerly dropped this leading element in dustem_get_wavelengths() but
;we now enforce this fix here
Nlambda=n_elements(lambda)-1 ; i.e. remove first element
one_st={lambda:0.}
st=replicate(one_st,Nlambda)
st.lambda=lambda[1:Nlambda]
the_end:
return,st
END