dustem_read_qabs_lv.pro
3.31 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
FUNCTION dustem_read_qabs_lv,file,silent=silent,read_densities=read_densities
;+
; NAME:
; dustem_read_qabs_lv
;
; PURPOSE:
; reads information relating to the grain QABS
; from the corresponding .DAT file for the LV fortran version
;
; CATEGORY:
; DustEMWrap, Distributed, LowLevel, Initialization
;
; CALLING SEQUENCE:
; st=dustem_read_qabs_lv(file)
;
; INPUTS:
; file : input file to be read
;
; OPTIONAL INPUT PARAMETERS:
;
; OUTPUTS:
; st : dustem data structure
;
; OPTIONAL OUTPUT PARAMETERS:
;
; ACCEPTED KEY-WORDS:
; read_densities : if grain densities are size-dependent they should be
; read here
; 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_qabs_lv'
full_st=0.
goto,the_end
ENDIF
st=''
Nmax=10000L
sts=strarr(Nmax)
openr,unit,file,/get_lun
;==read comments
str='' & first_char='#'
WHILE first_char EQ '#' DO BEGIN
readf,unit,str
first_char=strmid(str,0,1)
ENDWHILE
;read number of sizes
Nsizes=fix(str)
;Get sizes
readf,unit,st
sizes=float(str_sep(strcompress(strtrim(st,2)),' '))
Ncol=Nsizes
IF keyword_set(read_densities) THEN BEGIN
readf,unit,st
;stop
IF st EQ '#### Qabs ####' THEN BEGIN
message,'Problem with size dependent densities in Qabs.DAT',/continue
;stop
ENDIF
densities=float(str_sep(strcompress(strtrim(st,2)),' '))
ENDIF ELSE BEGIN
densities=fltarr(Nsizes)+la_undef()
ENDELSE
;stop
;==read comments
str='' & first_char='#'
WHILE first_char EQ '#' DO BEGIN
readf,unit,str
first_char=strmid(str,0,1)
ENDWHILE
;== read Qabs
sts[0]=str
nlines=1L
first_char=' '
WHILE first_char NE '#' DO BEGIN
readf,unit,st
sts[nlines]=st
nlines=nlines+1
first_char=strmid(st,0,1)
ENDWHILE
qabs_str=sts[0:nlines-2]
;stop
;==read comments
str='' & first_char='#'
WHILE first_char EQ '#' DO BEGIN
readf,unit,str
first_char=strmid(str,0,1)
ENDWHILE
;== read Qsca
sts[*]=''
sts[0]=str
nlines=1L
first_char=' '
WHILE not eof(unit) and first_char NE '#' DO BEGIN
readf,unit,st
sts[nlines]=st
nlines=nlines+1
first_char=strmid(st,0,1)
ENDWHILE
close,unit
free_lun,unit
qsca_str=sts[0:nlines-1]
;stop
Nlines=n_elements(qsca_str); -- ORIGINAL
;Nlines=n_elements(qabs_str)
qabs_values=fltarr(Nlines,Ncol)
qsca_values=fltarr(Nlines,Ncol)
FOR i=0L,Nlines-2 DO BEGIN
;print,i
qabs_values[i,*]=str_sep(strcompress(strtrim(qabs_str[i],2)),' ')
qsca_values[i,*]=str_sep(strcompress(strtrim(qsca_str[i],2)),' ')
ENDFOR
;== Make output structure
cmd='one_st={'
FOR i=0L,Ncol-1 DO BEGIN
cmd=cmd+'v'+strtrim(i+1,2)+':'+'0.'
IF i NE Ncol-1 THEN BEGIN
cmd=cmd+','
ENDIF ELSE BEGIN
cmd=cmd+'}'
ENDELSE
ENDFOR
toto=execute(cmd)
qabs_st=replicate(one_st,Nlines)
qsca_st=replicate(one_st,Nlines)
;=== fill in the qabs structure
FOR j=0L,Ncol-1 DO BEGIN
qabs_st.(j)=reform(qabs_values(*,j))
qsca_st.(j)=reform(qsca_values(*,j))
ENDFOR
;stop
full_st={file:file,Nsizes:Nsizes,sizes:sizes,densities:densities,Qabs:qabs_st,Qsca:qsca_st}
the_end:
return,full_st
END