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