/usr/share/doc/libplplot11/examples/f95/x02f.f90 is in libplplot-dev 5.9.9-2ubuntu2.
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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 | ! $Id: x02f.f90 11680 2011-03-27 17:57:51Z airwin $
! Demonstrates multiple windows and color map 0
!
! Copyright (C) 2004 Alan W. Irwin
! Copyright (C) 2005 Andrew Ross
!
! This file is part of PLplot.
!
! PLplot is free software; you can redistribute it and/or modify
! it under the terms of the GNU Library General Public License as
! published by the Free Software Foundation; either version 2 of the
! License, or (at your option) any later version.
!
! PLplot is distributed in the hope that it will be useful,
! but WITHOUT ANY WARRANTY; without even the implied warranty of
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! GNU Library General Public License for more details.
!
! You should have received a copy of the GNU Library General Public
! License along with PLplot; if not, write to the Free Software
! Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
use plplot
implicit none
! Process command-line arguments
call plparseopts(PL_PARSE_FULL)
! Initialize plplot
call plinit()
! Run demos
call demo1
call demo2
call plend
end
!--------------------------------------------------------------------------
! demo1
!
! Demonstrates multiple windows and default color map 0 palette.
!--------------------------------------------------------------------------
subroutine demo1
use plplot
implicit none
call plbop
! Divide screen into 16 regions
call plssub(4,4)
call draw_windows(16, 0)
call pleop
end
!--------------------------------------------------------------------------
! demo2
!
! Demonstrates multiple windows, user-modified color map 0 palette,
! and HLS -> RGB translation.
!--------------------------------------------------------------------------
subroutine demo2
use plplot
implicit none
integer r(116), g(116), b(116)
real(kind=plflt) lmin, lmax
parameter (lmin = 0.15_plflt, lmax = 0.85_plflt)
integer i
real(kind=plflt) h, l, s, r1, g1, b1
call plbop
! Divide screen into 100 regions
call plssub(10,10)
do i=0,99
! Bounds on HLS, from plhlsrgb() commentary --
! hue [0., 360.] degrees
! lightness [0., 1.] magnitude
! saturation [0., 1.] magnitude
! Vary hue uniformly from left to right
h = (360._plflt/10._plflt)*mod(i,10)
! Vary lightness uniformly from top to bottom, between min and max
l = lmin + (lmax - lmin) * (i / 10) / 9._plflt
! Use_ max saturation
s = 1._plflt
call plhlsrgb(h, l, s, r1, g1, b1)
r(i+17) = r1*255.001
g(i+17) = g1*255.001
b(i+17) = b1*255.001
enddo
do i=1,16
call plgcol0(i-1,r(i),g(i),b(i))
enddo
call plscmap0(r, g, b)
call draw_windows(100, 16)
call pleop
end
!--------------------------------------------------------------------------
! draw_windows
!
! Draws a set of numbered boxes with colors according to cmap0 entry.
!--------------------------------------------------------------------------
subroutine draw_windows( nw, cmap0_offset )
use plplot
implicit none
integer nw, cmap0_offset
integer i,j
real(kind=plflt) vmin, vmax
character*3 text
call plschr(0.0_plflt, 3.5_plflt)
call plfont(4)
do i=0,nw-1
call plcol0(i+cmap0_offset)
write (text,'(i3)') i
if (i .lt. 10) then
text=text(3:3)
elseif (i.lt.100) then
text=text(2:3)
endif
call pladv(0)
vmin = 0.1_plflt
vmax = 0.9_plflt
do j=1,3
call plwid(j)
call plvpor(vmin,vmax,vmin,vmax)
call plwind(0.0_plflt, 1.0_plflt, 0.0_plflt, 1.0_plflt)
call plbox('bc', 0.0_plflt, 0, 'bc', 0.0_plflt, 0)
vmin = vmin + 0.1_plflt
vmax = vmax - 0.1_plflt
enddo
call plwid(1)
call plptex(0.5_plflt, 0.5_plflt, 1.0_plflt, 0.0_plflt, 0.5_plflt, text)
enddo
end
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