/usr/share/doc/libplplot11/examples/f77/x07f.f is in libplplot-dev 5.9.9-2ubuntu2.
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c Displays the plotter symbols for PLSYM
c
c Copyright (C) 2004 Alan W. Irwin
c
c This file is part of PLplot.
c
c PLplot is free software; you can redistribute it and/or modify
c it under the terms of the GNU Library General Public License as
c published by the Free Software Foundation; either version 2 of the
c License, or (at your option) any later version.
c
c PLplot is distributed in the hope that it will be useful,
c but WITHOUT ANY WARRANTY; without even the implied warranty of
c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
c GNU Library General Public License for more details.
c
c You should have received a copy of the GNU Library General Public
c License along with PLplot; if not, write to the Free Software
c Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
implicit none
character*4 text
integer i, j, k, l, base(20)
data base /
& 0, 100, 0, 100, 200, 500, 600, 700, 800, 900,
& 2000, 2100, 2200, 2300, 2400, 2500, 2600, 2700, 2800, 2900 /
real*8 x, y
include 'plplot_parameters.h'
c Process command-line arguments
call plparseopts(PL_PARSE_FULL)
c Full sized page for display
call plinit()
call plfontld(0)
do l=1,20
if ( l .eq. 3 ) call plfontld(2)
call pladv(0)
call plcol0(2)
c Set up viewport and window
call plvpor(0.15d0, 0.95d0, 0.1d0, 0.9d0)
call plwind(0.0d0, 1.0d0, 0.0d0, 1.0d0)
c Draw the grid using plbox
call plbox('bcg', 0.1d0, 0,'bcg', 0.1d0, 0)
call plcol0(15)
c Write the digits below the frame
do i=0,9
write (text,'(i1)') i
call plmtex('b', 1.5d0, (0.1d0*i+0.05d0),
& 0.5d0, text)
enddo
k=0
do i=0,9
c Write the digits to the left of the frame
if(base(l)+10*i.eq.0) then
write (text,'(i1)') base(l)+10*i
elseif(base(l)+10*i.lt.100) then
write (text,'(i2)') base(l)+10*i
elseif(base(l)+10*i.lt.1000) then
write (text,'(i3)') base(l)+10*i
else
write (text,'(i4)') base(l)+10*i
endif
call plmtex('lv', 1.0d0, (0.95d0-0.1d0*i),
& 1.0d0, text)
do j=0,9
x=0.1d0*j+0.05d0
y=0.95d0-0.1d0*i
c Display the symbols
call plsym(1,x,y,base(l)+k)
k=k+1
enddo
enddo
if (l.le. 2) then
call plmtex('t', 1.5d0, 0.5d0, 0.5d0,
& 'PLplot Example 7 - PLSYM symbols (compact)')
else
call plmtex('t', 1.5d0, 0.5d0, 0.5d0,
& 'PLplot Example 7 - PLSYM symbols (extended)')
endif
enddo
call plend
end
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