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#
# Demonstrate most pllegend capability including unicode symbols.
#
# Copyright (C) 2010 Alan Irwin
#
# 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
#
#
# This example designed just for devices (e.g., the cairo-related and
# qt-related devices) where the best choice of glyph is automatically
# selected by the related libraries (pango/cairo or Qt4) for each
# unicode character depending on what system fonts are installed. Of
# course, you must have the appropriate TrueType fonts installed to
# have access to all the required glyphs.
# TODO
#set options [list {
# {
# "colorbar", // Turns on pages showing colorbars
# NULL,
# NULL,
# &colorbar,
# PL_OPT_BOOL,
# "-colorbar",
# "Plot the \"color bar\" pages."
# },
# {
# NULL, // option
# NULL, // handler
# NULL, // client data
# NULL, // address of variable to set
# 0, // mode flag
# NULL, // short syntax
# NULL
# } // long syntax
#};
# --------------------------------------------------------------------------
# main
#
# Demonstrate most pllegend capability including unicode symbols.
# --------------------------------------------------------------------------
set MAX_NLEGEND 7
proc x33 {{w loopback}} {
set position_options [list \
[expr {$::PLPLOT::PL_POSITION_LEFT | $::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_OUTSIDE}] \
[expr {$::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_OUTSIDE}] \
[expr {$::PLPLOT::PL_POSITION_RIGHT | $::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_OUTSIDE}] \
[expr {$::PLPLOT::PL_POSITION_RIGHT | $::PLPLOT::PL_POSITION_OUTSIDE}] \
[expr {$::PLPLOT::PL_POSITION_RIGHT | $::PLPLOT::PL_POSITION_BOTTOM | $::PLPLOT::PL_POSITION_OUTSIDE}] \
[expr {$::PLPLOT::PL_POSITION_BOTTOM | $::PLPLOT::PL_POSITION_OUTSIDE}] \
[expr {$::PLPLOT::PL_POSITION_LEFT | $::PLPLOT::PL_POSITION_BOTTOM | $::PLPLOT::PL_POSITION_OUTSIDE}] \
[expr {$::PLPLOT::PL_POSITION_LEFT | $::PLPLOT::PL_POSITION_OUTSIDE}] \
[expr {$::PLPLOT::PL_POSITION_LEFT | $::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_INSIDE}] \
[expr {$::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_INSIDE}] \
[expr {$::PLPLOT::PL_POSITION_RIGHT | $::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_INSIDE}] \
[expr {$::PLPLOT::PL_POSITION_RIGHT | $::PLPLOT::PL_POSITION_INSIDE}] \
[expr {$::PLPLOT::PL_POSITION_RIGHT | $::PLPLOT::PL_POSITION_BOTTOM | $::PLPLOT::PL_POSITION_INSIDE}] \
[expr {$::PLPLOT::PL_POSITION_BOTTOM | $::PLPLOT::PL_POSITION_INSIDE}] \
[expr {$::PLPLOT::PL_POSITION_LEFT | $::PLPLOT::PL_POSITION_BOTTOM | $::PLPLOT::PL_POSITION_INSIDE}] \
[expr {$::PLPLOT::PL_POSITION_LEFT | $::PLPLOT::PL_POSITION_INSIDE}] ]
# Pick 5 arbitrary UTF-8 symbols useful for plotting points (✠✚✱✪✽✺✰✴✦).
set special_symbols [list \
"✰" \
"✴" \
"✱" \
"✽" \
"✦" ]
# plcolorbar options
# Colorbar type options
set ::colorbar_option_kinds [list \
$::PLPLOT::PL_COLORBAR_SHADE \
[expr {$::PLPLOT::PL_COLORBAR_SHADE | $::PLPLOT::PL_COLORBAR_SHADE_LABEL}] \
$::PLPLOT::PL_COLORBAR_IMAGE \
$::PLPLOT::PL_COLORBAR_GRADIENT]
set ::colorbar_option_kind_labels [list \
"Shade colorbars" \
"Shade colorbars with custom labels" \
"Image colorbars" \
"Gradient colorbars"]
# Which side of the page are we positioned relative to?
set ::colorbar_position_options [list \
$::PLPLOT::PL_POSITION_LEFT \
$::PLPLOT::PL_POSITION_RIGHT \
$::PLPLOT::PL_POSITION_TOP \
$::PLPLOT::PL_POSITION_BOTTOM]
set ::colorbar_position_option_labels [list \
"Left" \
"Right" \
"Top" \
"Bottom"]
# Colorbar label positioning options
set ::colorbar_label_options [list \
$::PLPLOT::PL_COLORBAR_LABEL_LEFT \
$::PLPLOT::PL_COLORBAR_LABEL_RIGHT \
$::PLPLOT::PL_COLORBAR_LABEL_TOP \
$::PLPLOT::PL_COLORBAR_LABEL_BOTTOM]
set ::colorbar_label_option_labels [list \
"Label left" \
"Label right" \
"Label top" \
"Label bottom"]
# Colorbar cap options
set ::colorbar_cap_options [list \
$::PLPLOT::PL_COLORBAR_CAP_NONE \
$::PLPLOT::PL_COLORBAR_CAP_LOW \
$::PLPLOT::PL_COLORBAR_CAP_HIGH \
[expr {$::PLPLOT::PL_COLORBAR_CAP_LOW | $::PLPLOT::PL_COLORBAR_CAP_HIGH}]]
set ::colorbar_cap_option_labels [list \
"No caps" \
"Low cap" \
"High cap" \
"Low and high caps"]
set colorbar 1 ;# By default do not plot plcolorbar pages
# for now while we are working out the API.
set notes { "Make sure you get it right!" NULL }
# Parse and process command line arguments
# TODO
# plMergeOpts options "x33c options" notes
# void plparseopts &argc argv PL_PARSE_FULL
# First page illustrating the 16 standard positions.
$w cmd pladv 0
$w cmd plvpor 0.25 0.75 0.25 0.75
$w cmd plwind 0.0 1.0 0.0 1.0
$w cmd plbox "bc" 0.0 0 "bc" 0.0 0
$w cmd plsfont [expr {$::PLPLOT::PL_FCI_SANS}] -1 -1
$w cmd plmtex "t" 8.0 0.5 0.5 "The 16 standard legend positions with"
$w cmd plmtex "t" 6.0 0.5 0.5 "the same (0.05) offset in x and y"
set nlegend 1
# Only specify legend data that are required according to the
# value of opt_array for that entry.
set opt_base [expr {$::PLPLOT::PL_LEGEND_BACKGROUND | $::PLPLOT::PL_LEGEND_BOUNDING_BOX}]
set opt_array [list [expr {$::PLPLOT::PL_LEGEND_LINE | $::PLPLOT::PL_LEGEND_SYMBOL}]]
set line_styles [list 1]
set line_widths [list 1.]
set symbol_scales [list 1.]
set symbol_numbers [list 4]
set symbols [list "*"]
# Use monotype fonts so that all legends are the same size.
$w cmd plsfont [expr {$::PLPLOT::PL_FCI_MONO}] -1 -1
$w cmd plscol0a 15 32 32 32 0.70
for {set k 0} {$k < 16} {incr k} {
set position [lindex $position_options $k]
set opt $opt_base
set text [list [format "%2.2d" $k]]
set text_colors [list [expr {1 + $k % 8}]]
set line_colors [list [expr {1 + $k % 8}]]
set symbol_colors [list [expr {1 + $k % 8}]]
$w cmd pllegend $opt $position 0.05 0.05 \
0.1 15 1 1 0 0 \
$opt_array 1.0 1.0 2.0 \
1. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
$symbol_colors $symbol_scales $symbol_numbers $symbols
}
# Second page illustrating effect of nrow, ncolumn for the same legend
# data.
$w cmd pladv 0
$w cmd plvpor 0.25 0.75 0.25 0.75
$w cmd plwind 0.0 1.0 0.0 1.0
$w cmd plbox "bc" 0.0 0 "bc" 0.0 0
$w cmd plsfont [expr {$::PLPLOT::PL_FCI_SANS}] -1 -1
$w cmd plmtex "t" 8.0 0.5 0.5 "The effect of nrow, ncolumn, PL_LEGEND_ROW_MAJOR,"
$w cmd plmtex "t" 6.0 0.5 0.5 "and position for the same legend data"
set nlegend 7
# Only specify legend data that are required according to the
# value of opt_array for that entry.
set opt_base [expr {$::PLPLOT::PL_LEGEND_BACKGROUND | $::PLPLOT::PL_LEGEND_BOUNDING_BOX}]
set opt_array [list]
set line_styles [list]
set line_widths [list]
set symbol_scales [list]
set symbol_numbers [list]
set symbols [list]
set text [list]
set text_colors [list]
set line_colors [list]
set symbol_colors [list]
for {set k 0} {$k < $nlegend} {incr k} {
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_LINE | $::PLPLOT::PL_LEGEND_SYMBOL}]
lappend line_styles 1
lappend line_widths 1.
lappend symbol_scales 1.
lappend symbol_numbers 2
lappend symbols "*"
lappend text [format "%2.2d" $k]
lappend text_colors [expr {1 + $k % 8}]
lappend line_colors [expr {1 + $k % 8}]
lappend symbol_colors [expr {1 + $k % 8}]
}
# Use monotype fonts so that all legends are the same size.
$w cmd plsfont [expr {$::PLPLOT::PL_FCI_MONO}] -1 -1
$w cmd plscol0a 15 32 32 32 0.70
set position [expr {$::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_OUTSIDE}]
set opt $opt_base
set x 0.
set y 0.1
set nrow 1
set ncolumn $nlegend
$w cmd pllegend $opt $position $x $y \
0.05 15 1 1 $nrow $ncolumn \
$opt_array 1.0 1.0 2.0 \
1. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
$symbol_colors $symbol_scales $symbol_numbers $symbols
set position [expr {$::PLPLOT::PL_POSITION_BOTTOM | $::PLPLOT::PL_POSITION_OUTSIDE}]
set opt $opt_base
set x 0.
set y 0.1
set nrow 1
set ncolumn $nlegend
$w cmd pllegend $opt $position $x $y \
0.05 15 1 1 $nrow $ncolumn \
$opt_array 1.0 1.0 2.0 \
1. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
$symbol_colors $symbol_scales $symbol_numbers $symbols
set position [expr {$::PLPLOT::PL_POSITION_LEFT | $::PLPLOT::PL_POSITION_OUTSIDE}]
set opt $opt_base
set x 0.1
set y 0.
set nrow $nlegend
set ncolumn 1
$w cmd pllegend $opt $position $x $y \
0.05 15 1 1 $nrow $ncolumn \
$opt_array 1.0 1.0 2.0 \
1. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
$symbol_colors $symbol_scales $symbol_numbers $symbols
set position [expr {$::PLPLOT::PL_POSITION_RIGHT | $::PLPLOT::PL_POSITION_OUTSIDE}]
set opt $opt_base
set x 0.1
set y 0.
set nrow $nlegend
set ncolumn 1
$w cmd pllegend $opt $position $x $y \
0.05 15 1 1 $nrow $ncolumn \
$opt_array 1.0 1.0 2.0 \
1. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
$symbol_colors $symbol_scales $symbol_numbers $symbols
set position [expr {$::PLPLOT::PL_POSITION_LEFT | $::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_INSIDE}]
set opt $opt_base
set x 0.
set y 0.
set nrow 6
set ncolumn 2
$w cmd pllegend $opt $position $x $y \
0.05 15 1 1 $nrow $ncolumn \
$opt_array 1.0 1.0 2.0 \
1. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
$symbol_colors $symbol_scales $symbol_numbers $symbols
set position [expr {$::PLPLOT::PL_POSITION_RIGHT | $::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_INSIDE}]
set opt [expr {$opt_base | $::PLPLOT::PL_LEGEND_ROW_MAJOR}]
set x 0.
set y 0.
set nrow 6
set ncolumn 2
$w cmd pllegend $opt $position $x $y \
0.05 15 1 1 $nrow $ncolumn \
$opt_array 1.0 1.0 2.0 \
1. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
$symbol_colors $symbol_scales $symbol_numbers $symbols
set position [expr {$::PLPLOT::PL_POSITION_BOTTOM | $::PLPLOT::PL_POSITION_INSIDE}]
set opt [expr {$opt_base | $::PLPLOT::PL_LEGEND_ROW_MAJOR}]
set x 0.
set y 0.
set nrow 3
set ncolumn 3
$w cmd pllegend $opt $position $x $y \
0.05 15 1 1 $nrow $ncolumn \
$opt_array 1.0 1.0 2.0 \
1. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
$symbol_colors $symbol_scales $symbol_numbers $symbols
# Third page demonstrating legend alignment
$w cmd pladv 0
$w cmd plvpor 0.0 1.0 0.0 0.9
$w cmd plwind 0.0 1.0 0.0 1.0
$w cmd plsfont [expr {$::PLPLOT::PL_FCI_SANS}] -1 -1
$w cmd plmtex "t" 2.0 0.5 0.5 "Demonstrate legend alignment"
set x 0.1
set y 0.1
set nturn 4
set nlegend 0
set position [expr {$::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_LEFT | $::PLPLOT::PL_POSITION_SUBPAGE}]
set opt_base [expr {$::PLPLOT::PL_LEGEND_BACKGROUND | $::PLPLOT::PL_LEGEND_BOUNDING_BOX}]
set opt $opt_base
for {set i 0} {$i < 9} {incr i} {
# Set up legend arrays with the correct size, type.
if { $i <= $nturn } {
incr nlegend 1
} else {
incr nlegend -1
}
set nlegend [max 1 $nlegend]
# nly specify legend data that are required according to the
# value of opt_array for that entry.
set opt_array [list]
set line_styles [list]
set line_widths [list]
set symbol_scales [list]
set symbol_numbers [list]
set symbols [list]
set text [list]
set text_colors [list]
set line_colors [list]
set symbol_colors [list]
for {set k 0} {$k < $nlegend} {incr k} {
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_LINE | $::PLPLOT::PL_LEGEND_SYMBOL}]
lappend line_styles 1
lappend line_widths 1.
lappend symbol_scales 1.
lappend symbol_numbers 2
lappend symbols "*"
lappend text [format "%2.2d" $k]
lappend text_colors [expr {1 + $k % 8}]
lappend line_colors [expr {1 + $k % 8}]
lappend symbol_colors [expr {1 + $k % 8}]
}
# Use monotype fonts so that all legends are the same size.
$w cmd plsfont [expr {$::PLPLOT::PL_FCI_MONO}] -1 -1
$w cmd plscol0a 15 32 32 32 0.70
set nrow [min 3 $nlegend]
set ncolumn 0
set legend_data [$w cmd pllegend $opt $position $x $y \
0.025 15 1 1 $nrow $ncolumn \
$opt_array 1.0 1.0 1.5 \
1. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
$symbol_colors $symbol_scales $symbol_numbers $symbols]
foreach {legend_width legend_height} $legend_data {break}
if { $i == $nturn } {
set position [expr {$::PLPLOT::PL_POSITION_TOP | $::PLPLOT::PL_POSITION_RIGHT | $::PLPLOT::PL_POSITION_SUBPAGE}]
set opt $opt_base
set x [expr {1. - $x}]
set y [expr {$y + $legend_height}]
} else {
set x [expr {$x + $legend_width}]
set y [expr {$y + $legend_height}]
}
}
# Fourth page illustrating various kinds of legends
set max_height 0.
set xstart 0.0
set ystart 0.1
set x $xstart
set y $ystart
set text_scale 0.90
$w cmd pladv 0
$w cmd plvpor 0.0 1. 0.0 0.90
$w cmd plwind 0.0 1.0 0.0 1.0
# $w cmd plbox"bc" 0.0 0 "bc" 0.0 0
$w cmd plsfont [expr {$::PLPLOT::PL_FCI_SANS}] -1 -1
$w cmd plmtex "t" 2.0 0.5 0.5 "Demonstrate Various Kinds of Legends"
set nlegend 5
# Only specify legend data that are required according to the
# value of opt_array for that entry.
set position [expr {$::PLPLOT::PL_POSITION_LEFT | $::PLPLOT::PL_POSITION_TOP}]
set opt_base [expr {$::PLPLOT::PL_LEGEND_BACKGROUND | $::PLPLOT::PL_LEGEND_BOUNDING_BOX | $::PLPLOT::PL_LEGEND_TEXT_LEFT}]
# Set up None, Box, Line, Symbol, and Line & Symbol legend entries.
set opt_array [list [expr {$::PLPLOT::PL_LEGEND_NONE}]]
set text [list "None"]
set text_colors [list 1]
set line_colors [list {}]
set line_styles [list {}]
set line_widths [list {}]
set box_colors [list {}]
set box_patterns [list {}]
set box_scales [list {}]
set box_line_widths [list {}]
set symbol_scales [list {}]
set symbol_numbers [list {}]
set symbols [list {}]
set symbol_colors [list {}]
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_COLOR_BOX}]
lappend text "Box"
lappend text_colors 2
lappend line_colors {}
lappend line_styles {}
lappend line_widths {}
lappend box_colors 2
lappend box_patterns 0
lappend box_scales 0.8
lappend box_line_widths 1
lappend symbol_scales {}
lappend symbol_numbers {}
lappend symbols {}
lappend symbol_colors {}
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_LINE}]
lappend text "Line"
lappend text_colors 3
lappend line_colors 3
lappend line_styles 1
lappend line_widths 1
lappend box_colors {}
lappend box_patterns {}
lappend box_scales {}
lappend box_line_widths {}
lappend symbol_scales {}
lappend symbol_numbers {}
lappend symbols {}
lappend symbol_colors {}
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_SYMBOL}]
lappend text "Symbol"
lappend text_colors 4
lappend line_colors {}
lappend line_styles {}
lappend line_widths {}
lappend box_colors {}
lappend box_patterns {}
lappend box_scales {}
lappend box_line_widths {}
lappend symbol_colors 4
lappend symbol_scales $text_scale
lappend symbol_numbers 4
lappend symbols [lindex $special_symbols 2]
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_SYMBOL | $::PLPLOT::PL_LEGEND_LINE}]
lappend text "L & S"
lappend text_colors 5
lappend line_colors 5
lappend line_styles 1
lappend line_widths 1
lappend box_colors {}
lappend box_patterns {}
lappend box_scales {}
lappend box_line_widths {}
lappend symbol_colors 5
lappend symbol_scales $text_scale
lappend symbol_numbers 4
lappend symbols [lindex $special_symbols 2]
set opt $opt_base
$w cmd plscol0a 15 32 32 32 0.70
set legend_data [$w cmd pllegend $opt $position $x $y \
0.1 15 1 1 0 0 \
$opt_array 1.0 $text_scale 2.0 \
0. $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]
foreach {legend_width legend_height} $legend_data {break}
set max_height [max $max_height $legend_height]
# Set up symbol legend entries with various symbols.
set opt_array [list]
set line_styles [list]
set line_widths [list]
set symbol_scales [list]
set symbol_numbers [list]
set symbols [list]
set text [list]
set text_colors [list]
set line_colors [list]
set symbol_colors [list]
set box_colors [list]
set box_patterns [list]
set box_scales [list]
set box_line_widths [list]
for { set i 0} {$i < $nlegend} {incr i} {
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_SYMBOL}]
lappend text "Symbol [lindex $special_symbols $i]"
lappend text_colors [expr {$i + 1}]
lappend symbol_colors [expr {$i + 1}]
lappend symbol_scales $text_scale
lappend symbol_numbers 4
lappend symbols [lindex $special_symbols $i]
}
set opt $opt_base
set x [expr {$x + $legend_width}]
$w cmd plscol0a 15 32 32 32 0.70
set legend_data [$w cmd pllegend $opt $position $x $y \
0.1 15 1 1 0 0 \
$opt_array 1.0 $text_scale 2.0 \
0. $text_colors $text \
{} {} {} {} \
{} {} {} \
$symbol_colors $symbol_scales $symbol_numbers $symbols]
foreach {legend_width legend_height} $legend_data {break}
set max_height [max $max_height $legend_height]
# Set up symbol legend entries with various numbers of symbols.
set opt_array [list]
set line_styles [list]
set line_widths [list]
set symbol_scales [list]
set symbol_numbers [list]
set symbols [list]
set text [list]
set text_colors [list]
set line_colors [list]
set symbol_colors [list]
set box_colors [list]
set box_patterns [list]
set box_scales [list]
set box_line_widths [list]
for {set i 0} {$i < $nlegend} {incr i} {
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_SYMBOL}]
lappend text [format "%s %d" "Symbol Number" [expr {$i + 2}]]
lappend text_colors [expr {$i + 1}]
lappend symbol_colors [expr {$i + 1}]
lappend symbol_scales $text_scale
lappend symbol_numbers [expr {$i + 2}]
lappend symbols [lindex $special_symbols 2]
}
set opt $opt_base
set x [expr {$x + $legend_width}]
$w cmd plscol0a 15 32 32 32 0.70
set legend_data [$w cmd pllegend $opt $position $x $y \
0.1 15 1 1 0 0 \
$opt_array 1.0 $text_scale 2.0 \
0. $text_colors $text \
{} {} {} {} \
{} {} {} \
$symbol_colors $symbol_scales $symbol_numbers $symbols]
foreach {legend_width legend_height} $legend_data {break}
set max_height [max $max_height $legend_height]
# Set up box legend entries with various colours.
set opt_array [list]
set line_styles [list]
set line_widths [list]
set symbol_scales [list]
set symbol_numbers [list]
set symbols [list]
set text [list]
set text_colors [list]
set line_colors [list]
set symbol_colors [list]
set box_colors [list]
set box_patterns [list]
set box_scales [list]
set box_line_widths [list]
for {set i 0} {$i < $nlegend} {incr i} {
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_COLOR_BOX}]
lappend text [format "%s %d" "Box Color" [expr {$i + 1}]]
lappend text_colors [expr {$i + 1}]
lappend box_colors [expr {$i + 1}]
lappend box_patterns 0
lappend box_scales 0.8
lappend box_line_widths 1
}
set opt $opt_base
# Use new origin
set x $xstart
set y [expr {$y + $max_height}]
set max_height 0.
$w cmd plscol0a 15 32 32 32 0.70
set legend_data [$w cmd pllegend $opt $position $x $y \
0.1 15 1 1 0 0 \
$opt_array 1.0 $text_scale 2.0 \
0. $text_colors $text \
$box_colors $box_patterns $box_scales $box_line_widths \
{} {} {} \
{} {} {} {}]
foreach {legend_width legend_height} $legend_data {break}
set max_height [max $max_height $legend_height]
# Set up box legend entries with various patterns.
set opt_array [list]
set line_styles [list]
set line_widths [list]
set symbol_scales [list]
set symbol_numbers [list]
set symbols [list]
set text [list]
set text_colors [list]
set line_colors [list]
set symbol_colors [list]
set box_colors [list]
set box_patterns [list]
set box_scales [list]
set box_line_widths [list]
for {set i 0} {$i < $nlegend} {incr i} {
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_COLOR_BOX}]
lappend text [format "%s %d" "Box Pattern" $i]
lappend text_colors 2
lappend box_colors 2
lappend box_patterns $i
lappend box_scales 0.8
lappend box_line_widths 1
}
set opt $opt_base
set x [expr {$x + $legend_width}]
$w cmd plscol0a 15 32 32 32 0.70
set legend_data [$w cmd pllegend $opt $position $x $y \
0.1 15 1 1 0 0 \
$opt_array 1.0 $text_scale 2.0 \
0. $text_colors $text \
$box_colors $box_patterns $box_scales $box_line_widths \
{} {} {} \
{} {} {} {}]
foreach {legend_width legend_height} $legend_data {break}
set max_height [max $max_height $legend_height]
# Set up box legend entries with various box pattern line widths.
set opt_array [list]
set line_styles [list]
set line_widths [list]
set symbol_scales [list]
set symbol_numbers [list]
set symbols [list]
set text [list]
set text_colors [list]
set line_colors [list]
set symbol_colors [list]
set box_colors [list]
set box_patterns [list]
set box_scales [list]
set box_line_widths [list]
for {set i 0} {$i < $nlegend} {incr i} {
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_COLOR_BOX}]
lappend text [format "%s %d" "Box Line Width" [expr {$i + 1}]]
lappend text_colors 2
lappend box_colors 2
lappend box_patterns 3
lappend box_scales 0.8
lappend box_line_widths [expr {$i + 1}]
}
set opt $opt_base
set x [expr {$x + $legend_width}]
$w cmd plscol0a 15 32 32 32 0.70
set legend_data [$w cmd pllegend $opt $position $x $y \
0.1 15 1 1 0 0 \
$opt_array 1.0 $text_scale 2.0 \
0. $text_colors $text \
$box_colors $box_patterns $box_scales $box_line_widths \
{} {} {} \
{} {} {} {}]
foreach {legend_width legend_height} $legend_data {break}
set max_height [max $max_height $legend_height]
# Set up line legend entries with various colours.
set opt_array [list]
set line_styles [list]
set line_widths [list]
set symbol_scales [list]
set symbol_numbers [list]
set symbols [list]
set text [list]
set text_colors [list]
set line_colors [list]
set symbol_colors [list]
set box_colors [list]
set box_patterns [list]
set box_scales [list]
set box_line_widths [list]
for {set i 0} {$i < $nlegend} {incr i} {
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_LINE}]
lappend text [format "%s %d" "Line Color" [expr {$i + 1}]]
lappend text_colors [expr {$i + 1}]
lappend line_colors [expr {$i + 1}]
lappend line_styles 1
lappend line_widths 1
}
set opt $opt_base
# Use new origin
set x $xstart
set y [expr {$y + $max_height}]
set max_height 0.
$w cmd plscol0a 15 32 32 32 0.70
set legend_data [$w cmd pllegend $opt $position $x $y \
0.1 15 1 1 0 0 \
$opt_array 1.0 $text_scale 2.0 \
0. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
{} {} {} {}]
foreach {legend_width legend_height} $legend_data {break}
set max_height [max $max_height $legend_height]
# Set up line legend entries with various styles.
set opt_array [list]
set line_styles [list]
set line_widths [list]
set symbol_scales [list]
set symbol_numbers [list]
set symbols [list]
set text [list]
set text_colors [list]
set line_colors [list]
set symbol_colors [list]
set box_colors [list]
set box_patterns [list]
set box_scales [list]
set box_line_widths [list]
for {set i 0} {$i < $nlegend} {incr i} {
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_LINE}]
lappend text [format "%s %d" "Line Style" [expr {$i + 1}]]
lappend text_colors 2
lappend line_colors 2
lappend line_styles [expr {$i + 1}]
lappend line_widths 1
}
set opt $opt_base
set x [expr {$x + $legend_width}]
$w cmd plscol0a 15 32 32 32 0.70
set legend_data [$w cmd pllegend $opt $position $x $y \
0.1 15 1 1 0 0 \
$opt_array 1.0 $text_scale 2.0 \
0. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
{} {} {} {}]
foreach {legend_width legend_height} $legend_data {break}
set max_height [max $max_height $legend_height]
# Set up line legend entries with various widths.
set opt_array [list]
set line_styles [list]
set line_widths [list]
set symbol_scales [list]
set symbol_numbers [list]
set symbols [list]
set text [list]
set text_colors [list]
set line_colors [list]
set symbol_colors [list]
set box_colors [list]
set box_patterns [list]
set box_scales [list]
set box_line_widths [list]
for {set i 0} {$i < $nlegend} {incr i} {
lappend opt_array [expr {$::PLPLOT::PL_LEGEND_LINE}]
lappend text [format "%s %d" "Line Width" [expr {$i + 1}]]
lappend text_colors 2
lappend line_colors 2
lappend line_styles 1
lappend line_widths [expr {$i + 1}]
}
set opt $opt_base
set x [expr {$x + $legend_width}]
$w cmd plscol0a 15 32 32 32 0.70
set legend_data [$w cmd pllegend $opt $position $x $y \
0.1 15 1 1 0 0 \
$opt_array 1.0 $text_scale 2.0 \
0. $text_colors $text \
{} {} {} {} \
$line_colors $line_styles $line_widths \
{} {} {} {}]
foreach {legend_width legend_height} $legend_data {break}
set max_height [max $max_height $legend_height]
if {$colorbar} {
# Color bar examples
matrix values_small f 2
matrix values_uneven f 9
matrix values_even f 9
foreach i {0 1} v {-1.0e-200 1.0e-200 } {
values_small $i = $v
}
foreach i {0 1 2 3 4 5 6 7 8} vu {-1.0e-200 2.0e-200 2.6e-200 3.4e-200 6.0e-200 7.0e-200 8.0e-200 9.0e-200 10.0e-200 } \
ve {-2.0e-200 -1.0e-200 0.0e-200 1.0e-200 2.0e-200 3.0e-200 4.0e-200 5.0e-200 6.0e-200 } {
values_uneven $i = $vu
values_even $i = $ve
}
# Use unsaturated green background colour to contrast with black caps.
$w cmd plscolbg 70 185 70
# Cut out the greatest and smallest bits of the color spectrum to
# leave colors for the end caps.
$w cmd plscmap1_range 0.01 0.99
# We can only test image and gradient colorbars with two element arrays
#
# Note: we pass the name of the matrices!
#
for {set i 2} {$i < [llength $::colorbar_option_kinds]} {incr i} {
plcolorbar_example $w "cmap1_blue_yellow.pal" $i 0 0 values_small
}
# Test shade colorbars with larger arrays
for {set i 0} {$i < 2} {incr i} {
plcolorbar_example $w "cmap1_blue_yellow.pal" $i 4 2 values_even
}
for {set i 0} {$i < 2} {incr i} {
plcolorbar_example $w "cmap1_blue_yellow.pal" $i 0 0 values_uneven
}
}
}
proc plcolorbar_example_page {w kind_i label_i cap_i cont_color cont_width values} {
global colorbar_position
global colorbar_position_options
global colorbar_position_option_labels
global colorbar_option_kinds
global colorbar_option_kind_labels
global colorbar_label_options
global colorbar_label_option_labels
global colorbar_cap_options
global colorbar_cap_option_labels
# Parameters for the colorbars on this page
set ticks { 0.0 }
set sub_ticks { 0 }
set label_opts { 0 }
set low_cap_color 0.0
set high_cap_color 1.0
# Start a new page
$w cmd pladv 0
# Draw one colorbar relative to each side of the page
for {set position_i 0} {$position_i < [llength $colorbar_position_options]} {incr position_i} {
set position [lindex $colorbar_position_options $position_i]
set opt [expr {[lindex $colorbar_option_kinds $kind_i] |
[lindex $colorbar_label_options $label_i] |
[lindex $colorbar_cap_options $cap_i]}]
set vertical [expr {($position & $::PLPLOT::PL_POSITION_LEFT) || ($position & $::PLPLOT::PL_POSITION_RIGHT) }]
set ifn [expr {($position & $::PLPLOT::PL_POSITION_LEFT) || ($position & $::PLPLOT::PL_POSITION_BOTTOM)}]
# Set the offset position on the page
if {$vertical} {
set x 0.0
set y 0.0
set x_length 0.05
set y_length 0.5
} else {
set x 0.0
set y 0.0
set x_length 0.5
set y_length 0.05
}
# Set appropriate labelling options.
if {$ifn} {
if {$cont_color == 0 || $cont_width == 0.} {
set axis_opts [list "uwtivn"]
} else {
set axis_opts [list "uwxvn"]
}
} else {
if {$cont_color == 0 || $cont_width == 0.} {
set axis_opts [list "uwtivm"]
} else {
set axis_opts [list "uwxvm"]
}
}
set label [list "[lindex $colorbar_position_option_labels $position_i], [lindex $colorbar_label_option_labels $label_i]"]
# Smaller text
$w cmd plschr 0.0 0.75
# Small ticks on the vertical axis
$w cmd plsmaj 0.0 0.5
$w cmd plsmin 0.0 0.5
$w cmd plvpor 0.20 0.80 0.20 0.80
$w cmd plwind 0.0 1.0, 0.0, 1.0
# Set interesting background colour.
$w cmd plscol0a 15 0 0 0 0.20
$w cmd plcolorbar \
[expr {$opt | $::PLPLOT::PL_COLORBAR_BOUNDING_BOX | $::PLPLOT::PL_COLORBAR_BACKGROUND}] $position \
$x $y $x_length $y_length \
15 1 1 \
$low_cap_color $high_cap_color \
$cont_color $cont_width \
$label_opts $label \
$axis_opts \
$ticks $sub_ticks \
$values
# Reset text and tick sizes
$w cmd plschr 0.0 1.0
$w cmd plsmaj 0.0 1.0
$w cmd plsmin 0.0 1.0
}
# Draw a page title
set title "[lindex $colorbar_option_kind_labels $kind_i] - [lindex $colorbar_cap_option_labels $cap_i]"
$w cmd plvpor 0.0 1.0 0.0 1.0
$w cmd plwind 0.0 1.0 0.0 1.0
$w cmd plptex 0.5 0.5 0.0 0.0 0.5 $title
}
proc plcolorbar_example {w palette kind_i cont_color cont_width values} {
# Load the color palette
$w cmd plspal1 $palette 1
for { set label_i 0} { $label_i < [llength $::colorbar_label_options] } { incr label_i } {
for { set cap_i 0 } { $cap_i < [llength $::colorbar_cap_options] } { incr cap_i } {
plcolorbar_example_page $w $kind_i $label_i $cap_i $cont_color $cont_width $values
}
}
}
# Auxiliary routines
proc min {args} {
set x [lindex $args 0]
foreach i $args {
if {$i<$x} {set x $i}
}
return $x
}
proc max {args} {
set x [lindex $args 0]
foreach i $args {
if {$i>$x} {set x $i}
}
return $x
}
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