Files
fit/gen/dat_2t.f
2022-08-19 15:22:33 +02:00

199 lines
4.4 KiB
Fortran

subroutine dat_2t
c -----------------
external dat_2t_desc
! external dat_2t_high ! this line for raw data files only
external dat_2t_read
integer dtype/0/
call dat_init_desc(dtype, dat_2t_desc)
call dat_init_read(dtype, dat_2t_read)
end
subroutine dat_2t_desc(text)
! ----------------------------
character*(*) text ! (out) description
! type description
! ----------------------------------
text='2T 2T format (LLB Saclay)'
end
subroutine dat_2t_opts
! ----------------------
print '(x,a)'
1,'x: x-axis, y: y-axis'
end
subroutine dat_2t_read
1 (lun, forced, nread, putval, nmax, xx, yy, ss, ww)
! ----------------------------------------------------
implicit none
integer lun ! (in) logical unit number (file will be closed if successful)
integer forced ! 0: read only if type is sure; 1: forced read
integer nread ! (out) >=0: = number of points read, file closed
! -1: not correct type, file rewinded
! -2: correct type, but unreadable, file rewinded
external putval ! (in) subroutine to put name/value pairs.
! for numeric data: call putval('name', value) ! value must be real
! for character data: call putval('name=text', 0.0)
integer nmax ! max. number of points
real xx(*) ! x-values
real yy(*) ! y-values
real ss(*) ! sigma
real ww(*) ! weights (original monitor)
! local
integer mcol
parameter (mcol=32)
character header*1024
character line*1024, xaxis*8, yaxis*8, name*8, col1*8
real values(32), s, y, ymon
real tt, tm, ts, td
integer i,j,l,ncol,ccol,xcol,tcol
nread=0
read(lun,'(a)',err=98,end=98) header
if (forced .le. 0) then
if (header(1:11) .ne. '# qh') goto 100
endif
header(1:1)=' '
read(lun,'(a)',err=98,end=98) line
if (line(1:1) .ne. '#') goto 100
line(1:1)=' '
xaxis=' '
yaxis=' '
call dat_start_options
call dat_str_option('x', xaxis)
call dat_str_option('y', yaxis)
call str_upcase(xaxis, xaxis)
call str_upcase(yaxis, yaxis)
call putval('Instrument=2T',0.0)
call dat_group(2, putval)
do i=1,mcol
values(i)=0.0
enddo
ncol=0
i=1
read(line, *, err=15,end=15) values
15 call str_get_elem(header, i, name)
if (name .ne. ' ') then
ncol=ncol+1
if (name .eq. 'm') then
name='Monitor'
ymon=values(ncol)
call putval('Preset=m', 0.0)
else if (name .eq. 't') then
name='Monitor'
ymon=values(ncol)
call putval('Preset=t', 0.0)
endif
call putval(name, values(ncol))
goto 15
endif
read(lun, '(a)') line
if (line(1:1) .ne. '#') goto 100
read(lun, '(a)') line
if (line(1:1) .ne. '#') goto 100
line(1:1)=' '
12 i=1
line(len(line):len(line))=' '
ncol=0
ccol=0
xcol=0
tcol=0
col1=' '
31 do while (line(i:i) .eq. ' ')
i=i+1
if (i .gt. len(line)) goto 39
enddo
l=i
do while (line(i:i) .ne. ' ')
i=i+1
enddo
ncol=ncol+1
if (ncol .eq. 1) col1=line(l:i)
if (line(l:i) .eq. yaxis .or. yaxis .eq. ' '
1 .and. line(l:i) .eq. 'comptage') ccol=ncol
if (line(l:i) .eq. xaxis) xcol=ncol
if (line(l:i) .eq. 'K') tcol=ncol
goto 31
39 if (yaxis .eq. ' ') yaxis='comptage'
if (ccol .eq. 0) then
print *,'no values found for ',yaxis
goto 99
endif
if (xcol .eq. 0) then
if (xaxis .ne. ' ') then
print *,'no values found for ',xaxis,', take ',col1
endif
xcol=1
xaxis=col1
endif
call dat_group(2, putval)
call putval('XAxis='//xaxis, 0.0)
call putval('YAxis='//yaxis, 0.0)
call dat_group(1, putval)
l=min(mcol,max(xcol,ccol,tcol))
tm=0
ts=0
4 read(lun,*,err=19,end=9) (values(j),j=1,l)
if (nread .ge. nmax) goto 29
y=values(ccol)
if (y .gt. 0) then
s=sqrt(y) ! statistical error of detector
else
s=1
endif
nread=nread+1
xx(nread)=values(xcol)
yy(nread)=y
ss(nread)=s
ww(nread)=ymon
if (tcol .ne. 0) then
tt=values(tcol)
td=(tt-tm)/nread
tm=tm+td ! mean temp.
ts=ts+(tt-tm)**2+td*td*(nread-1) ! sum of (temp(i)-mean)**2
endif
goto 4
9 close(lun)
call putval('Monitor', ymon)
if (tcol .ne. 0) then
call putval('Temp', tm)
if (nread .gt. 1) call putval('dTemp', sqrt(ts/(nread-1)))
endif
return
19 print *,'DAT_2T: error at point ',nread
goto 4
29 print *,'DAT_2T: too many points'
goto 100
98 if (forced .le. 0) goto 100
99 print *,'DAT_2T: error during read'
rewind lun
nread=-2
return
100 nread=-1
rewind lun
end