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c
c $Id: x33f.fm4 11717 2011-04-21 00:47:06Z airwin $
c
c Demonstrate most pllegend capability including unicode symbols.
c
c Copyright (C) 2010 Alan 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 published
c by the Free Software Foundation; either version 2 of the License, or
c (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 License
c along with PLplot; if not, write to the Free Software
c Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
c
c
c This example designed just for devices (e.g., the cairo-related and
c qt-related devices) where the best choice of glyph is automatically
c selected by the related libraries (pango/cairo or Qt4) for each
c unicode character depending on what system fonts are installed. Of
c course, you must have the appropriate TrueType fonts installed to
c have access to all the required glyphs.
c--------------------------------------------------------------------------
c main
c
c Demonstrate most pllegend capability including unicode symbols.
c --------------------------------------------------------------------------
implicit none
include 'plplot_parameters.h'
integer MAX_NLEGEND
parameter (MAX_NLEGEND = 7)
integer i, k
integer opt, position
integer nlegend, nturn
integer opt_array(MAX_NLEGEND)
integer text_colors(MAX_NLEGEND)
integer box_colors(MAX_NLEGEND)
integer box_patterns(MAX_NLEGEND)
real*8 box_scales(MAX_NLEGEND)
integer box_line_widths(MAX_NLEGEND)
integer line_colors(MAX_NLEGEND)
integer line_styles(MAX_NLEGEND)
integer line_widths(MAX_NLEGEND)
integer symbol_numbers(MAX_NLEGEND), symbol_colors(MAX_NLEGEND)
real*8 symbol_scales(MAX_NLEGEND)
character*200 text(MAX_NLEGEND)
character*3 symbols(MAX_NLEGEND)
real*8 legend_width, legend_height, x, y, xstart, ystart
real*8 max_height, text_scale
integer opt_base, nrow, ncolumn
integer position_options(16)
character*3 special_symbols(5)
real*8 values_small(2)
real*8 values_uneven(9)
real*8 values_even(9)
c Pick 5 arbitrary UTF-8 symbols useful for plotting points (✠✚✱✪✽✺✰✴✦).
data special_symbols /
& '✰',
& '✴',
& '✱',
& '✽',
& '✦'
&/
data values_small / 0.0d0, 1.0d0 /
data values_uneven
&/ 0.0d0, 2.0d0, 2.6d0, 3.4d0, 6.0d0, 7.0d0, 8.0d0, 9.0d0, 10.0d0 /
data values_even
&/ 0.0d0, 1.0d0, 2.0d0, 3.0d0, 4.0d0, 5.0d0, 6.0d0, 7.0d0, 8.0d0 /
position_options(1) =
& PL_POSITION_LEFT + PL_POSITION_TOP + PL_POSITION_OUTSIDE
position_options(2) =
& PL_POSITION_TOP + PL_POSITION_OUTSIDE
position_options(3) =
& PL_POSITION_RIGHT + PL_POSITION_TOP + PL_POSITION_OUTSIDE
position_options(4) =
& PL_POSITION_RIGHT + PL_POSITION_OUTSIDE
position_options(5) =
& PL_POSITION_RIGHT + PL_POSITION_BOTTOM + PL_POSITION_OUTSIDE
position_options(6) =
& PL_POSITION_BOTTOM + PL_POSITION_OUTSIDE
position_options(7) =
& PL_POSITION_LEFT + PL_POSITION_BOTTOM + PL_POSITION_OUTSIDE
position_options(8) =
& PL_POSITION_LEFT + PL_POSITION_OUTSIDE
position_options(9) =
& PL_POSITION_LEFT + PL_POSITION_TOP + PL_POSITION_INSIDE
position_options(10) =
& PL_POSITION_TOP + PL_POSITION_INSIDE
position_options(11) =
& PL_POSITION_RIGHT + PL_POSITION_TOP + PL_POSITION_INSIDE
position_options(12) =
& PL_POSITION_RIGHT + PL_POSITION_INSIDE
position_options(13) =
& PL_POSITION_RIGHT + PL_POSITION_BOTTOM + PL_POSITION_INSIDE
position_options(14) =
& PL_POSITION_BOTTOM + PL_POSITION_INSIDE
position_options(15) =
& PL_POSITION_LEFT + PL_POSITION_BOTTOM + PL_POSITION_INSIDE
position_options(16) =
& PL_POSITION_LEFT + PL_POSITION_INSIDE
c Parse and process command line arguments
call plparseopts(PL_PARSE_FULL)
c Initialize plplot
call plinit
c First page illustrating the 16 standard positions.
call pladv( 0 )
call plvpor( 0.25d0, 0.75d0, 0.25d0, 0.75d0 )
call plwind( 0.0d0, 1.0d0, 0.0d0, 1.0d0 )
call plbox( 'bc', 0.0d0, 0, 'bc', 0.0d0, 0 )
call plsfont( PL_FCI_SANS, -1, -1 )
call plmtex( 't', 8.0d0, 0.5d0, 0.5d0,
& 'The 16 standard legend positions with' )
call plmtex( 't', 6.0d0, 0.5d0, 0.5d0,
& 'the same (0.05) offset in x and y' )
nlegend = 1
c Only specify legend data that are required according to the
c value of opt_array for that entry.
opt_base = PL_LEGEND_BACKGROUND + PL_LEGEND_BOUNDING_BOX
opt_array(1) = PL_LEGEND_LINE + PL_LEGEND_SYMBOL
line_styles(1) = 1
line_widths(1) = 1
symbol_scales(1) = 1.d0
symbol_numbers(1) = 4
symbols(1) = '*'
c Use monotype fonts so that all legends are the same size.
call plsfont( PL_FCI_MONO, -1, -1 )
call plscol0a( 15, 32, 32, 32, 0.70d0 )
do 110 k = 1,16
position = position_options(k)
opt = opt_base
text_colors(1) = 1 + mod( k-1, 8 )
line_colors(1) = 1 + mod( k-1, 8 )
symbol_colors(1) = 1 + mod( k-1, 8 )
call write_number( text(1), k-1 )
call pllegend( legend_width, legend_height, opt, position,
& 0.05d0, 0.05d0,
& 0.1d0, 15, 1, 1, 0, 0,
& nlegend, opt_array, 1.0d0, 1.0d0, 2.0d0,
& 1.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
110 continue
c Second page illustrating effect of nrow, ncolumn for the same legend
c data.
call pladv( 0 )
call plvpor( 0.25d0, 0.75d0, 0.25d0, 0.75d0 )
call plwind( 0.0d0, 1.0d0, 0.0d0, 1.0d0 )
call plbox( 'bc', 0.0d0, 0, 'bc', 0.0d0, 0 )
call plsfont( PL_FCI_SANS, -1, -1 )
call plmtex( 't', 8.0d0, 0.5d0, 0.5d0,
& 'The effect of nrow, ncolumn, PL_LEGEND_ROW_MAJOR,' )
call plmtex( 't', 6.0d0, 0.5d0, 0.5d0,
& 'and position for the same legend data' )
nlegend = 7
c Only specify legend data that are required according to the
c value of opt_array for that entry.
opt_base = PL_LEGEND_BACKGROUND + PL_LEGEND_BOUNDING_BOX
do 120 k = 1,nlegend
opt_array(k) = PL_LEGEND_LINE + PL_LEGEND_SYMBOL
line_styles(k) = 1
line_widths(k) = 1
symbol_scales(k) = 1.d0
symbol_numbers(k) = 2
symbols(k) = '*'
call write_number( text(k), k-1 )
text_colors(k) = 1 + mod( k-1, 8 )
line_colors(k) = 1 + mod( k-1, 8 )
symbol_colors(k) = 1 + mod( k-1, 8 )
120 continue
c Use monotype fonts so that all legends are the same size.
call plsfont( PL_FCI_MONO, -1, -1 )
call plscol0a( 15, 32, 32, 32, 0.70d0 )
position = PL_POSITION_TOP + PL_POSITION_OUTSIDE
opt = opt_base
x = 0.d0
y = 0.1d0
nrow = 1
ncolumn = nlegend
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.05d0, 15, 1, 1, nrow, ncolumn,
& nlegend, opt_array, 1.0d0, 1.0d0, 2.0d0,
& 1.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_BOTTOM + PL_POSITION_OUTSIDE
opt = opt_base
x = 0.d0
y = 0.1d0
nrow = 1
ncolumn = nlegend
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.05d0, 15, 1, 1, nrow, ncolumn,
& nlegend, opt_array, 1.0d0, 1.0d0, 2.0d0,
& 1.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_LEFT + PL_POSITION_OUTSIDE
opt = opt_base
x = 0.1d0
y = 0.d0
nrow = nlegend
ncolumn = 1
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.05d0, 15, 1, 1, nrow, ncolumn,
& nlegend, opt_array, 1.0d0, 1.0d0, 2.0d0,
& 1.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_RIGHT + PL_POSITION_OUTSIDE
opt = opt_base
x = 0.1d0
y = 0.d0
nrow = nlegend
ncolumn = 1
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.05d0, 15, 1, 1, nrow, ncolumn,
& nlegend, opt_array, 1.0d0, 1.0d0, 2.0d0,
& 1.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_LEFT + PL_POSITION_TOP +
& PL_POSITION_INSIDE
opt = opt_base
x = 0.d0
y = 0.d0
nrow = 6
ncolumn = 2
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.05d0, 15, 1, 1, nrow, ncolumn,
& nlegend, opt_array, 1.0d0, 1.0d0, 2.0d0,
& 1.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_RIGHT + PL_POSITION_TOP +
& PL_POSITION_INSIDE
opt = opt_base + PL_LEGEND_ROW_MAJOR
x = 0.d0
y = 0.d0
nrow = 6
ncolumn = 2
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.05d0, 15, 1, 1, nrow, ncolumn,
& nlegend, opt_array, 1.0d0, 1.0d0, 2.0d0,
& 1.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_BOTTOM + PL_POSITION_INSIDE
opt = opt_base + PL_LEGEND_ROW_MAJOR
x = 0.d0
y = 0.d0
nrow = 3
ncolumn = 3
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.05d0, 15, 1, 1, nrow, ncolumn,
& nlegend, opt_array, 1.0d0, 1.0d0, 2.0d0,
& 1.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
c Third page demonstrating legend alignment
call pladv( 0 )
call plvpor( 0.0d0, 1.0d0, 0.0d0, 0.9d0 )
call plwind( 0.0d0, 1.0d0, 0.0d0, 1.0d0 )
call plsfont( PL_FCI_SANS, -1, -1 )
call plmtex( 't', 2.0d0, 0.5d0, 0.5d0,
& 'Demonstrate legend alignment' )
x = 0.1d0
y = 0.1d0
nturn = 5
nlegend = 0
position = PL_POSITION_TOP + PL_POSITION_LEFT +
& PL_POSITION_SUBPAGE
opt_base = PL_LEGEND_BACKGROUND + PL_LEGEND_BOUNDING_BOX
opt = opt_base
do 140 i = 1,9
c Set up legend arrays with the correct size, type.
if ( i .le. nturn ) then
nlegend = nlegend + 1
else
nlegend = nlegend - 1
endif
nlegend = max( 1, nlegend )
c nly specify legend data that are required according to the
c value of opt_array for that entry.
do 130 k = 1,nlegend
opt_array(k) = PL_LEGEND_LINE + PL_LEGEND_SYMBOL
line_styles(k) = 1
line_widths(k) = 1
symbol_scales(k) = 1.d0
symbol_numbers(k) = 2
symbols(k) = '*'
call write_number( text(k), k-1 )
text_colors(k) = 1 + mod( k-1, 8 )
line_colors(k) = 1 + mod( k-1, 8 )
symbol_colors(k) = 1 + mod( k-1, 8 )
130 continue
c Use monotype fonts so that all legends are the same size.
call plsfont( PL_FCI_MONO, -1, -1 )
call plscol0a( 15, 32, 32, 32, 0.70d0 )
nrow = MIN( 3, nlegend )
ncolumn = 0
call pllegend( legend_width, legend_height, opt, position,
& x, y,
& 0.025d0, 15, 1, 1, nrow, ncolumn,
& nlegend, opt_array, 1.0d0, 1.0d0, 1.5d0,
& 1.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
if ( i .eq. nturn ) then
position = PL_POSITION_TOP + PL_POSITION_RIGHT +
& PL_POSITION_SUBPAGE
opt = opt_base
x = 1.d0 - x
y = y + legend_height
else
x = x + legend_width
y = y + legend_height
endif
140 continue
c Fourth page illustrating various kinds of legends
max_height = 0.d0
xstart = 0.0d0
ystart = 0.1d0
x = xstart
y = ystart
text_scale = 0.90d0
call pladv( 0 )
call plvpor( 0.0d0, 1.d0, 0.0d0, 0.90d0 )
call plwind( 0.0d0, 1.0d0, 0.0d0, 1.0d0 )
c call plbox('bc', 0.0, 0, 'bc', 0.0d0, 0)
call plsfont( PL_FCI_SANS, -1, -1 )
call plmtex( 't', 2.0d0, 0.5d0, 0.5d0,
& 'Demonstrate Various Kinds of Legends' )
nlegend = 5
c Only specify legend data that are required according to the
c value of opt_array for that entry.
position = PL_POSITION_LEFT + PL_POSITION_TOP
opt_base = PL_LEGEND_BACKGROUND + PL_LEGEND_BOUNDING_BOX +
& PL_LEGEND_TEXT_LEFT
c Set up None, Box, Line, Symbol, and Line & Symbol legend entries.
opt_array(1) = PL_LEGEND_NONE
text(1) = 'None'
text_colors(1) = 1
opt_array(2) = PL_LEGEND_COLOR_BOX
text(2) = 'Box'
text_colors(2) = 2
box_colors(2) = 2
box_patterns(2) = 0
box_scales(2) = 0.8d0
box_line_widths(2) = 1
opt_array(3) = PL_LEGEND_LINE
text(3) = 'Line'
text_colors(3) = 3
line_colors(3) = 3
line_styles(3) = 1
line_widths(3) = 1
opt_array(4) = PL_LEGEND_SYMBOL
text(4) = 'Symbol'
text_colors(4) = 4
symbol_colors(4) = 4
symbol_scales(4) = text_scale
symbol_numbers(4) = 4
symbols(4) = special_symbols(3)
opt_array(5) = PL_LEGEND_SYMBOL + PL_LEGEND_LINE
text(5) = 'L & S'
text_colors(5) = 5
line_colors(5) = 5
line_styles(5) = 1
line_widths(5) = 1
symbol_colors(5) = 5
symbol_scales(5) = text_scale
symbol_numbers(5) = 4
symbols(5) = special_symbols(3)
opt = opt_base
call plscol0a( 15, 32, 32, 32, 0.70d0 )
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.1d0, 15, 1, 1, 0, 0,
& nlegend, opt_array, 1.0d0, text_scale, 2.0d0,
& 0.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
c Set up symbol legend entries with various symbols.
do 150 i = 1,nlegend
opt_array(i) = PL_LEGEND_SYMBOL
text(i) = 'Symbol ' // special_symbols(i)
text_colors(i) = i
symbol_colors(i) = i
symbol_scales(i) = text_scale
symbol_numbers(i) = 4
symbols(i) = special_symbols(i)
150 continue
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70d0 )
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.1d0, 15, 1, 1, 0, 0,
& nlegend, opt_array, 1.0d0, text_scale, 2.0d0,
& 0.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
c Set up symbol legend entries with various numbers of symbols.
do 160 i = 1,nlegend
opt_array(i) = PL_LEGEND_SYMBOL
call write_text_number( text(i), 'Symbol Number', i + 1 )
text_colors(i) = i
symbol_colors(i) = i
symbol_scales(i) = text_scale
symbol_numbers(i) = i + 1
symbols(i) = special_symbols(3)
160 continue
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70d0 )
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.1d0, 15, 1, 1, 0, 0,
& nlegend, opt_array, 1.0d0, text_scale, 2.0d0,
& 0.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
c Set up box legend entries with various colours.
do 170 i = 1,nlegend
opt_array(i) = PL_LEGEND_COLOR_BOX
call write_text_number( text(i), 'Box Color', i )
text_colors(i) = i
box_colors(i) = i
box_patterns(i) = 0
box_scales(i) = 0.8d0
box_line_widths(i) = 1
170 continue
opt = opt_base
c Use new origin
x = xstart
y = y + max_height
max_height = 0.d0
call plscol0a( 15, 32, 32, 32, 0.70d0)
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.1d0, 15, 1, 1, 0, 0,
& nlegend, opt_array, 1.0d0, text_scale, 2.0d0,
& 0.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
c Set up box legend entries with various patterns.
do 180 i = 1,nlegend
opt_array(i) = PL_LEGEND_COLOR_BOX
call write_text_number( text(i), 'Box Pattern', i-1 )
text_colors(i) = 2
box_colors(i) = 2
box_patterns(i) = i - 1
box_scales(i) = 0.8d0
box_line_widths(i) = 1
180 continue
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70d0 )
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.1d0, 15, 1, 1, 0, 0,
& nlegend, opt_array, 1.0d0, text_scale, 2.0d0,
& 0.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
c Set up box legend entries with various box pattern line widths.
do 190 i = 1,nlegend
opt_array(i) = PL_LEGEND_COLOR_BOX
call write_text_number( text(i), 'Box Line Width', i )
text_colors(i) = 2
box_colors(i) = 2
box_patterns(i) = 3
box_scales(i) = 0.8d0
box_line_widths(i) = i
190 continue
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70d0 )
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.1d0, 15, 1, 1, 0, 0,
& nlegend, opt_array, 1.0d0, text_scale, 2.0d0,
& 0.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
c Set up line legend entries with various colours.
do 200 i =1,nlegend
opt_array(i) = PL_LEGEND_LINE
call write_text_number( text(i), 'Line Color', i )
text_colors(i) = i
line_colors(i) = i
line_styles(i) = 1
line_widths(i) = 1
200 continue
opt = opt_base
c Use new origin
x = xstart
y = y + max_height
max_height = 0.d0
call plscol0a( 15, 32, 32, 32, 0.70d0 )
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.1d0, 15, 1, 1, 0, 0,
& nlegend, opt_array, 1.0d0, text_scale, 2.0d0,
& 0.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
c Set up line legend entries with various styles.
do 210 i = 1,nlegend
opt_array(i) = PL_LEGEND_LINE
call write_text_number( text(i), 'Line Style', i )
text_colors(i) = 2
line_colors(i) = 2
line_styles(i) = i
line_widths(i) = 1
210 continue
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70d0 )
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.1d0, 15, 1, 1, 0, 0,
& nlegend, opt_array, 1.0d0, text_scale, 2.0d0,
& 0.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
c Set up line legend entries with various widths.
do 220 i =1,nlegend
opt_array(i) = PL_LEGEND_LINE
call write_text_number( text(i), 'Line Width', i )
text_colors(i) = 2
line_colors(i) = 2
line_styles(i) = 1
line_widths(i) = i
220 continue
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70d0 )
call pllegend( legend_width, legend_height, opt, position, x, y,
& 0.1d0, 15, 1, 1, 0, 0,
& nlegend, opt_array, 1.0d0, text_scale, 2.0d0,
& 0.d0, text_colors, text,
& box_colors, box_patterns, box_scales, box_line_widths,
& line_colors, line_styles, line_widths,
& symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
c Color bar examples
c
c Note: commented until plcolorbar is ready!
c
c call plcolorbar_example_1( PL_COLORBAR_IMAGE, 0.0d0, 0, 2,
c & values_small, 'Image Color Bars' )
c call plcolorbar_example_2( PL_COLORBAR_IMAGE, 0.0d0, 0, 2,
c & values_small, 'Image Color Bars' )
c call plcolorbar_example_1(
c & PL_COLORBAR_SHADE + PL_COLORBAR_SHADE_LABEL,
c & 0.0d0, 0, 9, values_uneven,
c & 'Shade Color Bars - Uneven Steps' )
c call plcolorbar_example_2( PL_COLORBAR_SHADE, 3.0d0, 3, 9,
c & values_even, 'Shade Color Bars - Even Steps' )
c call plcolorbar_example_1( PL_COLORBAR_GRADIENT, 0.5d0, 5, 2,
c & values_small, 'Gradient Color Bars' )
c call plcolorbar_example_2( PL_COLORBAR_GRADIENT, 0.5d0, 5, 2,
c & values_small, 'Gradient Color Bars' )
call plend()
end
c
c Auxiliary routines
c
subroutine write_number( text, number )
implicit none
character(*) text
integer number
write( text, '(i2)') number
if ( text(1:1) .eq. ' ' ) text(1:1) = '0'
end
subroutine write_text_number( text, string, number )
implicit none
character(*) text
character(*) string
integer number
if ( number .lt. 10 ) then
write( text, '(a,1x,i1)' ) string, number
else
write( text, '(a,1x,i2)' ) string, number
endif
end
c Color bar routines
c
c subroutine plcolorbar_example_1( bar_type, ticks, sub_ticks, n,
c & values, title )
c
c implicit none
c
c include 'plplot_parameters.h'
c
c integer bar_type, position
c real*8 ticks
c integer sub_ticks
c integer n
c real*8 values(*)
c character(*) title
c
c
c FORTRAN 77: array fixed
c
c real*8 colors(20)
c real*8 color_step
c integer i
c integer opt
c character(10) axis_opts_1, axis_opts_2
c
c call pladv( 0 )
c
c Setup color palette 1
c call plspal1( 'cmap1_blue_red.pal', 1 )
c
c color_step = 1.0d0 / ( n - 1 )
c do 110 i = 1,n
c colors(i) = 0.0d0 + color_step * i
c 110 continue
c
c position = PL_POSITION_LEFT
c opt = bar_type + PL_COLORBAR_LABEL_LEFT +
c & PL_COLORBAR_CAP_HIGH
c
c if ( mod( bar_type, 2*PL_COLORBAR_SHADE_LABEL ) /
c & PL_COLORBAR_SHADE_LABEL .eq. 1 ) then
c axis_opts_1 = 'iv'
c axis_opts_2 = 'i'
c else
c if ( sub_ticks .ne. 0 ) then
c axis_opts_1 = 'stv'
c axis_opts_2 = 'st'
c else
c axis_opts_1 = 'tv'
c axis_opts_2 = 't'
c endif
c endif
c
c call plcolorbar( opt, 0.1d0, 0.1d0, 0.5d0, 0.1d0,
c & ticks, sub_ticks,
c & axis_opts_1, 'Test label - Left, High Cap',
c & n, colors, values )
c
c position = PL_POSITION_RIGHT
c opt = bar_type + PL_COLORBAR_LABEL_RIGHT +
c & PL_COLORBAR_CAP_LOW
c
c call plcolorbar( opt, 0.1d0, 0.4d0, 0.5d0, 0.1d0,
c & ticks, sub_ticks,
c & axis_opts_1, 'Test label - Right, Low Cap',
c & n, colors, values )
c
c position = PL_POSITION_TOP
c opt = bar_type + PL_COLORBAR_LABEL_TOP +
c & PL_COLORBAR_CAP_HIGH
c
c call plcolorbar( opt, 0.1d0, 0.1d0, 0.5d0, 0.1d0,
c & ticks, sub_ticks,
c & axis_opts_2, 'Test label - Upper, High Cap',
c & n, colors, values )
c
c position = PL_POSITION_TOP
c opt = bar_type + PL_COLORBAR_LABEL_BOTTOM +
c & PL_COLORBAR_CAP_LOW
c
c call plcolorbar( opt, 0.4d0, 0.1d0, 0.5d0, 0.1d0,
c & ticks, sub_ticks,
c & axis_opts_2, 'Test label - Lower, Low Cap',
c & n, colors, values )
c
c call plvpor( 0.0d0, 1.0d0, 0.0d0, 1.0d0 )
c call plwind( 0.0d0, 1.0d0, 0.0d0, 1.0d0 )
c call plptex( 0.5d0, 0.5d0, 0.0d0, 0.0d0, 0.5d0, title )
c end
c
c subroutine plcolorbar_example_2( bar_type, ticks, sub_ticks, n,
c & values, title )
c
c implicit none
c
c include 'plplot_parameters.h'
c
c integer bar_type, position
c real*8 ticks
c integer sub_ticks
c integer n
c real*8 values(*)
c character(*) title
c
c real*8 colors(20)
c integer i
c real*8 color_step
c integer opt
c character(10) axis_opts_1, axis_opts_2
c
c call pladv( 0 )
c Setup color palette 1
c call plspal1( 'cmap1_blue_yellow.pal', 1 )
c
c color_step = 1.0d0 / ( n - 1 )
c do 110 i = 1,n
c colors(i) = 0.0d0 + color_step * i
c 110 continue
c
c position = PL_POSITION_LEFT
c opt = bar_type + PL_COLORBAR_LABEL_LEFT +
c & PL_COLORBAR_CAP_LOW
c
c if ( bar_type .eq. PL_COLORBAR_SHADE_LABEL ) then
c axis_opts_1 = ''
c axis_opts_2 = ''
c else
c if ( sub_ticks .ne. 0 ) then
c axis_opts_1 = 'stv'
c axis_opts_2 = 'st'
c else
c axis_opts_1 = 'tv'
c axis_opts_2 = 't'
c endif
c endif
c
c call plcolorbar( opt, 0.1d0, 0.1d0, 0.5d0, 0.1d0,
c & ticks, sub_ticks,
c & axis_opts_1, 'Test label - Left, Low Cap',
c & n, colors, values )
c
c position = PL_POSITION_RIGHT
c opt = bar_type + PL_COLORBAR_LABEL_RIGHT +
c & PL_COLORBAR_CAP_HIGH
c
c call plcolorbar( opt, 0.1d0, 0.4d0, 0.5d0, 0.1d0,
c & ticks, sub_ticks,
c & axis_opts_1, 'Test label - Right, High Cap',
c & n, colors, values )
c
c position = PL_POSITION_TOP
c opt = bar_type + PL_COLORBAR_LABEL_TOP +
c & PL_COLORBAR_CAP_LOW
c
c call plcolorbar( opt, 0.1d0, 0.1d0, 0.5d0, 0.1d0,
c & ticks, sub_ticks,
c & axis_opts_2, 'Test label - Upper, Low Cap',
c & n, colors, values )
c
c position = PL_POSITION_BOTTOM
c opt = bar_type + PL_COLORBAR_LABEL_BOTTOM +
c & PL_COLORBAR_CAP_HIGH
c
c call plcolorbar( opt, 0.4d0, 0.1d0, 0.5d0, 0.1d0,
c & ticks, sub_ticks,
c & axis_opts_2, 'Test label - Lower, High Cap',
c & n, colors, values )
c
c call plvpor( 0.0d0, 1.0d0, 0.0d0, 1.0d0 )
c call plwind( 0.0d0, 1.0d0, 0.0d0, 1.0d0 )
c call plptex( 0.5d0, 0.5d0, 0.0d0, 0.0d0, 0.5d0, title )
c end
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