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|
program plotpg
c Purpose - General purpose plotting routine
integer pgbegin,ilw(10),n(500)
character*80 device,xlbl,ylbl,toplbl,fildat,label
character*80 sline,filnm,scommnd,replist(100)
character*25 spar(10),scom,dum,querry,spar1,spar2,spar3
character*1 snx,sny
character txt(500)*4,ch*1,name*10,golabel*15,comfile*20
logical*1 text,errx,erry,line,point,polar,pair,bin,center
logical*1 hist,rewind,lwswitch,spherical,rotphi,rottheta
logical*1 autoscale,filesw,prnt,nmstrg,interact,points
logical*1 dash_inbound,record,repeat,eofsw
real a(15),x(500),y(500),x1(500),x2(500),y1(500),y2(500)
real p(2),q(2),z(500),z2(500)
integer ipts(500)
call getarg(1,comfile)
if (comfile .ne. ' ') open(unit=5,file=comfile,readonly)
inchni = 11
inchn = inchni
print*, '==========================================================='
print*, ' Version 2.2'
print*, 'This is PLOTPG, a facility which allows either interactive or'
print*, 'command file operation of PGPLOT. With this facility, you'
print*, 'need not write a program to make plots with PGPLOT. The'
print*, 'data you want plotted just need to be in a file with any'
print*, 'number of columns. You specify the file with the command '
print*, 'DATAFILE followed by the name of the file and the number'
print*, 'of columns in the file. The program will read your data'
print*, 'file in free format (not very good with strings). You'
print*, 'specify which columns in the data file are to be used for'
print*, 'x and y data values via the command XYCOLUMN.'
print*, 'PLOTPG will prompt you for the "Plotting Command File:";'
print*, 'the response "terminal" or CR will allow the session to be'
print*, 'interactive, otherwise you can respond with the filename '
print*, 'of a command list. The commands are recorded in '
print*, 'the file "plt.plt". Once produced, "plt.plt" can be copied,'
print*, 'edited, and then used as the command file for similar plots.'
print*, ' A program by Ed Shaya '
print*, '==========================================================='
ls = 1
8 print*, ' Plotting Command File [For interactive - ''terminal'']:'
read(*,'(a)') filnm
if (filnm .eq. 'help') goto 140
print*, filnm
if (filnm(1:8) .eq. 'terminal' .or. filnm .eq. ' ') then
interact = 1
inchn = 5
else
open(inchn,file = filnm,status='old',readonly,err=8)
end if
filesw = 0
indata = 12
iout = 10
open(iout, file = 'plt.plt', status = 'unknown')
20 print *, 'Graphics device/type: [/tek] '
read(*,'(a)') device
if (device .eq. ' ') device = '/tek'
print *,'Number of sections in X direction: (usual 1)'
read(*,'(a)') snx
if (snx .eq. ' ') then
nx = 1
ny = 1
goto 40
end if
read(snx,'(i1)') nx
if (nx .eq. 0) nx = 1
print *,'Number of sections in Y direction: (usual 1)'
read(*,'(a)') sny
read(sny,'(i1)') ny
if (ny .eq. 0) ny = 1
40 if (.not.(pgbegin(12,device,nx,ny) .eq. 1)) goto 20
c ##==== set line width arrays ===#
do kk = 1,10
ilw(kk) = kk
end do
autoscale = 0
lwswitch = 1
just = 0
axis = 0
if (interact) write(*,*) ' Begin commands.'
100 if (repeat) then
jline = jline + 1
sline = replist(jline)
if (jline .eq. jlinet) then
jline = 0
repcnt = repcnt + 1
if (repcnt .eq. nreps-1) then
repeat = 0
end if
end if
else
read(inchn,110) sline
write(iout,111) sline
110 format(a80)
111 format (a69)
end if
if (sline(1:1) .eq. '%') goto 100
if (record) then
jline = jline + 1
replist(jline) = sline
end if
call split_line(sline,spar)
scom = spar(1)
if (scom .eq. ' ') go to 100
if (scom .eq. '$') then
ln = index(sline,'$')
scommnd = sline(ln+1:30+ln)
write(*,*) ln,scommnd
kcom = system(scommnd)
else if (scom .eq. 'help') then
if (spar(2) .eq. ' ') then
scommnd = 'more /mnt1/ejs/utils/plotpg.hlp'
else
140 scommnd = 'grep ^'//spar(2)//'/mnt1/ejs/utils/plotpg.hlp'
end if
kcom = system(scommnd)
else if (scom .eq. 'repeat') then
read(spar(2),*,end=900) nreps
spar1 = 'NUMBER_OF_REPEATS'
jline = 0
repcnt = 0
record = 1
else if (scom .eq. 'endrepeat') then
jlinet = jline - 1
jline = 0
record = 0
repeat = 1
else if (scom .eq. 'goto') then
golabel = spar(2)
let = index(golabel,' ')
golabel(let:let) = ':'
eofsw = 0
175 do while (golabel .ne. spar(1))
read(inchn,110,end=180) sline
call split_line(sline,spar)
end do
go to 100
180 if (eofsw) then
write(*,*) 'Missing Label ',golabel
stop
else
eofsw = 1
end if
rewind inchn
go to 175
else if (scom .eq. 'terminal') then
inchn = 5
interact = 1
write(*,*) ' Enter commands interactively'
else if (scom .eq. 'commandfile') then
inchn = inchni
interact = 0
if (spar(2) .ne. ' ') then
close(inchn)
open(unit=inchn,file=spar(2),status='old',readonly)
end if
else if (scom .eq. 'xlabel') then
xlbl = spar(2)
ln1 = 0
do jj = 3, 10
ln = index(xlbl(ln1+1:),' ')
xlbl = xlbl(1:ln1+ln)//spar(jj)
ln1 = ln1 + ln
end do
else if (scom .eq. 'ylabel') then
ln1 = 0
ylbl = spar(2)
do jj = 3, 10
ln = index(ylbl(ln1+1:),' ')
ylbl = ylbl(1:ln1+ln)//spar(jj)
ln1 = ln1 + ln
end do
else if (scom .eq. 'tlabel') then
ln1 = 0
toplbl = spar(2)
do jj = 3, 10
ln = index(toplbl(ln1+1:),' ')
toplbl = toplbl(1:ln1+ln)//spar(jj)
ln1 = ln1 + ln
end do
else if (scom .eq. 'setc') then
spar1 = 'SETC'
read(spar(2),*,end=900) csize
call pgsetc(csize)
else if (scom .eq. 'setlw') then
spar1 = 'LSIZE'
read(spar(2),*,end=900) lsize
call grsetlw(ilw(lsize))
else if (scom .eq. 'setfont') then
spar1 = 'IFONT'
read(spar(2),*,end=900) ifont
call grsetfont(ifont)
else if (scom .eq. 'lwswitch') then
if (lwswitch .eq. 1) then
lwswitch = 0
do kk = 1,10
ilw(kk) = 1
end do
else
lwswitch = 1
do kk = 1,10
ilw(kk) = kk
end do
end if
else if (scom .eq. 'datafile') then
fildat = spar(2)
spar1 = 'FILENAME'
spar2 = 'NCOL'
read(spar(3),*,end=950) ncol
close(indata)
indata = indata + 1
open(unit=indata,file=fildat,status = 'old',readonly,
x err = 80)
filesw = 1
goto 90
80 write(*,'(a25,a25)') 'Unable to find datafile ',fildat
filesw = 0
goto 100
90 continue
else if (scom .eq. 'pair') then
pair = 1
spar1 = 'ND2'
read(spar(2),*,end=900) nx2
read(spar(3),*,end=220) ny2
else if (scom .eq. 'dash_inbound') then
dash_inbound = 1
220 else if (scom .eq. 'spherical') then
spherical = 1
spar1 = 'NTHETA'
spar2 = 'NPHI'
spar3 = 'ND'
read(spar(2),*,end=970) ntheta
read(spar(3),*,end=970) nphi
read(spar(4),*,end=970) nd
else if (scom .eq. 'rottheta') then
rottheta = 1
spar1 = 'THETA'
read(spar(2),*,end=900) theta
else if (scom .eq. 'rotphi') then
rotphi = 1
spar1 = 'PHI'
read(spar(2),*,end=900) phi
else if (scom .eq. 'polar') then
polar = 1
spar1 = 'NTHETA'
spar2 = 'ND'
read(spar(2),*,end=950) ntheta
read(spar(3),*,end=950) nd
else if (scom .eq. 'xycolumn') then
spar1 = 'NX'
spar2 = 'NY'
read(spar(2),*,end=950) nx
read(spar(3),*,end=950) ny
else if (scom .eq. 'xyzcolumn') then
spar1 = 'NX'
spar2 = 'NY'
spar3 = 'NZ'
read(spar(2),*,end=970) nx
read(spar(3),*,end=970) ny
read(spar(4),*,end=970) nz
else if (scom .eq. 'point') then
point = 1
spar1 = 'IPT'
read(spar(2),*,end=900) ipt
else if (scom .eq. 'points') then
points = 1
spar1 = 'NCOL_POINT_SYMBOL'
read(spar(2),*,end=900) nipts
else if (scom .eq. 'line') then
line = 1
else if (scom .eq. 'errx') then
errx = 1
spar1 = 'N_COL_ERRX1'
spar2 = 'N_COL_ERRX2'
spar3 = 'ERRXTYPE'
read(spar(2),*,end=970) nerrx1
read(spar(3),*,end=970) nerrx2
read(spar(4),*,end=970) errxt
else if (scom .eq. 'erry') then
erry = 1
spar1 = 'N_COL_ERRY1'
spar2 = 'N_COL_ERRY2'
spar3 = 'ERRYTYPE'
read(spar(2),*,end=970) nerry1
read(spar(3),*,end=970) nerry2
read(spar(4),*,end=970) erryt
else if (scom .eq. 'text') then
text = 1
spar1 = 'N_COL'
read(spar(2),*,end=900) namcol
else if (scom .eq. 'hist') then
spar1 = 'DAT_MIN'
spar2 = 'DAT_MAX'
hist = 1
read(spar(2),*,end=950) datmin
read(spar(3),*,end=950) datmax
else if (scom .eq. 'curse') then
call pgupdt(1)
if (spar(2) .ne. ' ') then
read(spar(2),*,end=900) xcoord
read(spar(3),*,end=900) ycoord
end if
call pgcurse(xcoord,ycoord,ch)
write(*,*) ch,xcoord,ycoord
else if (scom .eq. 'labels') then
call pgupdt(1)
nlabel = 1
write(*,*) ' Present character size is ',csize
write(*,*) ' Begin placing labels [<RTN> to end]'
500 print *,' Label ', nlabel
read(*,'(a)') label
if (label .eq. '') then
if (interact) write(*,*) ' Continue commands'
goto 100
end if
print *,' X,Y position of label'
read(*,*) xcoord,ycoord
call pgtext(xcoord,ycoord,label)
nlabel = nlabel + 1
goto 500
else if (scom .eq. 'setls') then
spar1 = 'LINE_STYLE'
read(spar(2),*,end=900) ls
call grsetls(ls)
else if (scom .eq. 'draw') then
spar1 = 'X'
spar2 = 'Y'
read(spar(2),*,end=950) xcoord
read(spar(3),*,end=950) ycoord
call pgdraw(xcoord,ycoord)
else if (scom .eq. 'move') then
spar1 = 'X'
spar2 = 'Y'
read(spar(2),*,end=950) xcoord
read(spar(3),*,end=950) ycoord
call pgmove(xcoord,ycoord)
else if (scom .eq. 'bin') then
spar1 = 'CENTER [LOGICAL]'
read(spar(2),*,end=900) center
bin = 1
else if (scom .eq. 'just') then
just = 1
else if (scom .eq. 'axis') then
spar1 = 'NAXIS'
read(spar(2),*,end=900) naxis
else if (scom .eq. 'env') then
if (autoscale) then
write(*,*) ' Autoscale is on.'
write(*,*) ' Axes drawn during plot execution.'
else
spar1 = 'XMIN XMAX'
spar2 = 'YMIN YMAX'
read(spar(2),*,end=950) xmin
read(spar(3),*,end=950) xmax
read(spar(4),*,end=950) ymin
read(spar(5),*,end=950) ymax
xcoord = (xmax-xmin)/2.
ycoord = (ymax-ymin)/2.
call pgenv(xmin,xmax,ymin,ymax,just,naxis)
just = 0
end if
else if (scom .eq. 'autoscale') then
if (autoscale) then
autoscale = 0
else
autoscale = 1
end if
else if (scom .eq. 'label') then
call pglabel(xlbl,ylbl,toplbl)
else if (scom .eq. 'skip') then
if (.not. filesw) goto 800
spar1 = 'NLINES'
read(spar(2),*,end=900) nlines
do jj = 1, nlines
read(indata,'(a)') dum
end do
write(*,'(i5,a,a20)') nlines,' lines skipped in ',fildat
else if (scom .eq. 'rewind') then
rewind = 1
if (rewind) rewind(indata)
else if (scom .eq. 'print') then
prnt = 1
else if (scom .eq. 'noprint') then
prnt = 0
else if (scom .eq. 'strings') then
nmstrg = 1
else if (scom .eq. 'nostrings') then
nmstrg = 0
else if (scom .eq. 'vport') then
spar1 = 'XLEFT XRIGHT'
spar2 = 'YBOT YTOP'
read(spar(2),*,end=950) xleft
read(spar(3),*,end=950) xright
read(spar(4),*,end=950) ybot
read(spar(5),*,end=950) ytop
call pgvport(xleft,xright,ybot,ytop)
else if (scom .eq. 'advance') then
call pgadvance
else if (scom .eq. 'vstand') then
call pgvstand
else if (scom .eq. 'window') then
spar1 = 'X1 X2'
spar2 = 'Y1 Y2'
read(spar(2),*,end=950) xleft
read(spar(3),*,end=950) xright
read(spar(4),*,end=950) ybot
read(spar(5),*,end=950) ytop
call pgwindow(xleft,xright,ybot,ytop)
else if (scom .eq. 'box') then
spar1 = 'XOPT XTICK'
spar2 = 'NXSUB YOPT'
spar3 = 'YTICK NYSUB'
read(spar(2),*,end=980) xopt
read(spar(3),*,end=980) xtick
read(spar(4),*,end=980) nxsub
read(spar(5),*,end=980) yopt
read(spar(5),*,end=980) ytick
read(spar(5),*,end=980) nysub
call pgbox(xopt,xtick,nxsub,yopt,ytick,nysub)
else if (scom .eq. 'plot') then
spar1 = 'NDATA_PTS'
read(spar(2),*,end=900) ntot
if (ntot .gt. 500) then
ntot = 500
write(*,*) ' Only 500 points can be plotted at a time'
end if
if (.not. filesw) goto 800
call pgupdt(0)
C #== READ IN DATA AND SET X, Y AND ERROR ARRAYS ===#
j = 0
do i = 1, ntot
if (nmstrg) then
read(indata,*,end=850) name,(a(j),j=2,ncol)
else
read(indata,*,end=850) (a(j),j=1,ncol)
end if
if (spherical) then
x(i) = a(nd)*cos(a(ntheta))*sin(a(nphi))
y(i) = a(nd)*sin(a(ntheta))*sin(a(nphi))
z(i) = a(nd)*cos(a(nphi))
if (pair) then
x2(i) = a(nx2)*x(i)/a(nd)
y2(i) = a(nx2)*y(i)/a(nd)
z2(i) = a(nx2)*z(i)/a(nd)
end if
else if (polar) then
x(i) = a(nd)*cos(a(ntheta))
y(i) = a(nd)*sin(a(ntheta))
if (pair) then
x2(i) = a(nx2)*x(i)/a(nd)
y2(i) = a(nx2)*y(i)/a(nd)
end if
else if (hist) then
x(i) = a(nx)
else
x(i) = a(nx)
y(i) = a(ny)
if (pair) then
x2(i) = a(nx2)
y2(i) = a(ny2)
end if
if (rotphi) z(i) = a(nz)
end if
if (points) then
ipts(i) = a(nipts)
end if
if (errx) then
x1(i) = x(i) - a(nerrx1)
x2(i) = x(i) + a(nerrx2)
end if
if (erry) then
y1(i) = y(i) - a(nerry1)
y2(i) = y(i) + a(nerry2)
end if
if (text) then
if (nmstrg .and. namcol .eq. 1) then
txt(i) = name
else
n(i) = a(namcol)
if (n(i) .le. 9) then
write(txt(i),'(i1)') n(i)
else if (n(i) .le. 99) then
write(txt(i),'(i2)') n(i)
else if (n(i) .le. 999) then
write(txt(i),'(i3)') n(i)
end if
end if
end if
if (prnt) print *,i,name,x(i),y(i)
if (rottheta) then
x(i) = x(i)*cos(theta)+y(i)*sin(theta)
y(i) = -x(i)*sin(theta)+y(i)*cos(theta)
if (pair) then
x2(i) = x2(i)*cos(theta)+y2(i)*sin(theta)
y2(i) = -x2(i)*sin(theta)+y2(i)*cos(theta)
end if
end if
if (rotphi) then
y(i) = y(i)*cos(phi)+z(i)*sin(phi)
if (pair) y2(i) = y2(i)*cos(phi)+z2(i)*sin(phi)
end if
end do
850 itot = i - 1
write(*,'(i4,a17,a20)') itot,' lines read from ',fildat
if (text) then
do k = 1,itot
call pgtext(x(k),y(k),txt(k))
end do
end if
if (autoscale) then
xmina = x(1)
ymina = y(1)
xmaxa = x(1)
ymaxa = y(1)
do ijk = 2, itot
if (x(ijk) .gt. xmaxa) xmaxa = x(ijk)
if (y(ijk) .gt. ymaxa) ymaxa = y(ijk)
if (x(ijk) .lt. xmina) xmina = x(ijk)
if (y(ijk) .lt. ymina) ymina = y(ijk)
end do
plusx = (xmaxa-xmina)*.05
plusy = (ymaxa-ymina)*.05
xmina = xmina - plusx
xmaxa = xmaxa + plusx
ymina = ymina - plusy
ymaxa = ymaxa + plusy
call pgenv(xmina,xmaxa,ymina,ymaxa,just,axis)
end if
if (point) call pgpoint(itot,x,y,ipt)
if (points) call pgpoint(itot,x,y,ipts)
if (line) call pgline(itot,x,y)
if (bin) call pgbin(itot,x,y,center)
if (hist) call pghist(itot,x,datmin,datmax,itot,1)
if (pair) then
do i = 1, itot
p(1) = x(i)
q(1) = y(i)
p(2) = x2(i)
q(2) = y2(i)
if (dash_inbound) then
if (p(1)**2+q(1)**2 .gt. p(2)**2+q(2)**2) then
call grsetls(4)
else
call grsetls(1)
end if
end if
call pgline(2,p,q)
end do
call grsetls(ls)
end if
if (errx) then
call pgerrx(itot,x1,x2,y,errxt)
end if
if (erry) then
call pgerry(itot,x,y1,y2,erryt)
end if
pair = 0
spherical = 0
rotphi = 0
rottheta = 0
polar = 0
line = 0
point = 0
points = 0
errx = 0
erry = 0
text = 0
labels = 0
hist = 0
rewind = 0
else if (scom .eq. 'quit') then
goto 999
else
write(*,*) ' Do not understand ',scom
write(iout,*) ' Do not understand ',scom
end if
go to 100
800 write(*,*) 'No datafile chosen. Use command DATAFILE.'
goto 980
900 write(*,*) ' Command "',scom,'" requires more parameters.'
write(*,'(a15,2x,a17)') scom,spar1
go to 980
950 write(*,*) ' Command "',scom,'" requires more parameters.'
write(*,'(a15,2x,a17,2x,a17)') scom,spar1,spar2
go to 980
970 write(*,*) ' Command "',scom,'" requires more parameters.'
write(*,'(a15,2x,a17,2x,a17,2x,a17)') scom,spar1,spar2,spar3
go to 980
980 if (.not.interact) then
inchn = 5
interact = 1
write(*,*) ' Enter commands interactively'
write(*,985) ' Type "commandfile" to return control to ',filnm
985 format(a,a17)
end if
go to 100
999 call pgupdt(1)
call pgend
close(indata)
if (device .eq. '/ps') then
write(*,'(a)') ' Send plot to laserwriter?'
read(*,'(a)') querry
if (querry(1:1) .eq. 'y') then
kcom = system('print -v PGPLOT.PS')
write(*,*) ' Printing'
end if
end if
end
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