/
Oneline.f
executable file
·207 lines (190 loc) · 7.21 KB
/
Oneline.f
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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
subroutine oneline (imode)
c******************************************************************************
c This routine computes a single line profile
c******************************************************************************
implicit real*8 (a-h,o-z)
include 'Atmos.com'
include 'Linex.com'
include 'Dummy.com'
include 'Source.com'
real*8 dinteg(200)
data waveold /0.0/
c*****set an arbitrary maximum # of wavelength points to compute
c the line profile
maxsteps = 100
c*****get started; calculate an initial step size; wavestep only is
c*****used in synpop
if (imode .eq. 0) gf1(ncurve) = gf(lim1)
dellam(1) = 0.
if (wavestep .eq. 0.) then
st1 = wave1(lim1)*dopp(lim1,jtau5)/2.997929e10/5.
st1 = dfloat(ifix(10000.*sngl(st1)))/10000.
else
st1 = wavestep
endif
storig = st1
c*****calculate continuous opacity and intensity/flux at line wavelength
wave = wave1(lim1)
c*****APJ have to call this for every line when using scattering!
if ((scatopt .eq. 1) .or. (abs(wave-waveold) .gt. 30.)) then
waveold = wave
call opacit(2,wave)
if (imode.ne.2 .and. modprintopt.ge.2)
. write(nf1out,1002) wave,(kaplam(i),i=1,ntau)
if (scatopt .eq. 0) then
call cdcalc(1)
first = 0.4343*cd(1)
flux = rinteg(xref,cd,dummy1,ntau,first)
else
call cdcalc_JS(1)
c*****APJ I think this is right based on mirroring the 2011 code
flux = Flux_cont
endif
if (imode .ne. 2) then
if (iunits .eq. 1) then
write (nf1out,1003) 1.d-4*wave,flux
else
write (nf1out,1004) wave,flux
endif
endif
endif
c*****check the wavelength step size; expand/contract as necessary
if (wavestep .eq. 0.) then
wave = wave1(lim1)
call taukap
if (scatopt .eq. 0) then
call cdcalc(2)
first = 0.4343*cd(1)
d(1) = rinteg(xref,cd,dummy1,ntau,first)
else
call cdcalc_JS(2)
d(1) = 0.4343*adepth
endif
do k=1,30
if (k .eq. 30) then
write (*,1010) wave
stop
endif
wave = wave1(lim1) + 5.*st1
call taukap
if (scatopt .eq. 0) then
call cdcalc(2)
first = 0.4343*cd(1)
d(2) = rinteg(xref,cd,dummy1,ntau,first)
else
call cdcalc_JS(2)
d(2) = 0.4343*adepth
endif
d2d1 = d(2)/d(1)
if (d2d1 .le. 0.2) then
st1 = st1/1.5
elseif (d2d1 .le. 0.6) then
st1 = st1/1.2
elseif (d2d1.gt.0.60 .and. d2d1.lt.0.80) then
if (imode .ne. 2) write (nf1out,1001) lim1,
. 1000.*width(lim1), storig, st1, k
exit
elseif (d2d1 .ge. 0.80) then
st1 = st1*1.6
elseif (d2d1 .ge. 0.90) then
st1 = st1*2.1
endif
st1 = dble(idnint(10000.*st1))/10000.
enddo
endif
c*****calculate wavelength dependent line quantities, and the line depth
c until the depth is very small in the line wing
wave = wave1(lim1)
do n=1,maxsteps
dellam(n) = (n-1)*st1
wave = wave1(lim1) + dellam(n)
call taukap
if (scatopt .eq. 0) then
call cdcalc(2)
first = 0.4343*cd(1)
d(n) = rinteg(xref,cd,dummy1,ntau,first)
else
call cdcalc_JS(2)
d(n) = adepth
c APJ again not sure why this is true but matching JS 2011 version
do i=1,ntau
cd(i) = adepth
enddo
endif
if (linprintopt.ge.3 .and. n.eq.1 .and. imode.eq.2) then
do i=1,ntau
dummy1(i) = xref(i)*cd(i)
enddo
first = 0.
cdmean = rinteg(xref,dummy1,dummy2,ntau,first)/
. rinteg(xref,cd,dummy2,ntau,first)
do i=1,ntau
if (cdmean .lt. cd(i)) exit
enddo
write (nf1out,1005) lim1, cdmean, i, xref(i)
do i=1,ntau
if (taunu(i)+taulam(i) .ge. 1.) exit
enddo
write (nf1out,1006) lim1, i, dlog10(tauref(i)),
. dlog10(taulam(i)), dlog10(taunu(i))
endif
if (d(n)/d(1) .lt. 0.0050) then
ndepths = n
exit
endif
if (n .eq. maxsteps) then
if (d(n).gt.0.001 .and. imode.ne.2) then
write (nf1out,1007)
ndepths = maxsteps
endif
endif
enddo
c*****finish the calculation
if (imode .ne. 2) write (nf1out,1008) (d(j),j=1,ndepths)
do n=2,ndepths
d(ndepths+n-1) = d(n)
enddo
d(ndepths) = d(1)
do n=2,ndepths
d(n-1) = d(2*ndepths+1-n)
enddo
dellam(1) = -st1*(ndepths-1)
ndep = 2*ndepths - 1
do n=2,ndep
dellam(n) = dellam(n-1) + st1
enddo
first = 2*dellam(ndep)*d(ndep)
w(ncurve) = rinteg(dellam,d,dinteg,ndep,first)
if (imode .ne. 2) then
ew = 1000.0*w(ncurve)
gflog = dlog10(gf1(ncurve))
rwlog = dlog10(w(ncurve)/wave1(lim1))
write (nf1out,1009) wave1(lim1), ew, rwlog, gf1(ncurve), gflog
endif
return
c*****format statements
1001 format (/'LINE ', i5, ':', 5x, 'observed EW to match: ', f7.2/
. 16x, 'lambda step initial, final: ', 2f7.4/
. 16x, 'trials needed to decide this: ', i2)
1002 format (' kaplam from 1 to ntau at wavelength',f10.2/
1 (6(1pd12.4)))
1003 format ('AT WAVELENGTH/FREQUENCY =',f11.7,
. ' CONTINUUM FLUX/INTENSITY =',1p,d12.5)
1004 format ('AT WAVELENGTH/FREQUENCY =',f11.3,
. ' CONTINUUM FLUX/INTENSITY =',1p,d12.5)
1005 format (/'LINE ', i5, ':',
. ' weighted mean line contribution function C_d =',
. f6.2/ ' which occurs near level ', i3,
. ' with log tauref = ', f6.2)
1006 format (/'LINE ', i5, ':',
. ' tau(total) is greater than 1 at level',i3/
. ' logs of tauref, taulam, taunu =', 3f6.2)
1007 format ('WARNING: not enough points to specify the line?')
1008 format (10f7.3)
1009 format ('lambda =',f12.3,5x,'E.W. =',f8.2,' mA.',5x,
. 'log(R.W.) =',f6.2/'gf =',1pd10.3,5x,'log(gf) =',
. 0pf7.2)
1010 format ('CANNOT DECIDE ON LINE WAVELENGTH ',
. 'STEP SIZE FOR', f10.2, ' I QUIT!')
1011 format ('original and final wavelength step size: ', 2f8.4)
end