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#!/usr/bin/perl -w |
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# RCSid $Id$ |
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use warnings; |
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use strict; |
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use File::Temp qw/ tempdir /; |
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use POSIX qw/ floor /; |
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|
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< |
my $mult = 179.0; # Multiplier. Default W/sr/m2 -> cd/m2 |
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my $label = 'cd/m2'; # Units shown in legend |
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my $scale = 1000; # Top of the scale |
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my $decades = 0; # Default is linear mapping |
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my $redv = 'def_red(v)'; # Mapping function for R,G,B |
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< |
my $grnv = 'def_grn(v)'; |
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my $bluv = 'def_blu(v)'; |
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my $ndivs = 8; # Number of lines in legend |
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> |
my @palettes = ('def', 'spec', 'pm3d', 'hot', 'eco'); |
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|
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my $mult = 179.0; # Multiplier. Default W/sr/m2 -> cd/m2 |
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my $label = 'cd/m2'; # Units shown in legend |
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my $scale = 1000; # Top of the scale |
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my $decades = 0; # Default is linear mapping |
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my $pal = 'def'; # Palette |
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my $redv = "${pal}_red(v)"; # Mapping functions for R,G,B |
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my $grnv = "${pal}_grn(v)"; |
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my $bluv = "${pal}_blu(v)"; |
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my $ndivs = 8; # Number of lines in legend |
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my $picture = '-'; |
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my $cpict = ''; |
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my $legwidth = 100; # Legend width and height |
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my $legwidth = 100; # Legend width and height |
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my $legheight = 200; |
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my $docont = ''; # Contours |
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my $loff = 0; # Offset for drop-shadow |
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my $doextrem = 0; # Don't mark extrema |
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my $docont = ''; # Contours: -cl and -cb |
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my $doposter = 0; # Posterization: -cp |
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my $loff = 0; # Offset to align with values |
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my $doextrem = 0; # Don't mark extrema |
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my $needfile = 0; |
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my $showpal = 0; # Show availabel colour palettes |
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while ($#ARGV >= 0) { |
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# Options with qualifiers |
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if ("$ARGV[0]" eq '-lw') { # Legend width |
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$legwidth = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-lh') { # Legend height |
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$legheight = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-m') { # Multiplier |
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$mult = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-s') { # Scale |
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$scale = $ARGV[1]; |
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shift @ARGV; |
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$_ = shift; |
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# Options with qualifiers |
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if (m/-lw/) { # Legend width |
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$legwidth = shift; |
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} elsif (m/-lh/) { # Legend height |
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$legheight = shift; |
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} elsif (m/-m/) { # Multiplier |
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$mult = shift; |
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} elsif (m/-spec/) { |
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die("depricated option '-spec'. Please use '-pal spec' instead."); |
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} elsif (m/-s/) { # Scale |
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$scale = shift; |
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if ($scale =~ m/[aA].*/) { |
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$needfile = 1; |
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} |
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} elsif ("$ARGV[0]" eq '-l') { # Label |
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$label = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-log') { # Logarithmic mapping |
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$decades = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-r') { |
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$redv = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-g') { |
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$grnv = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-b') { |
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$bluv = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-pal') { |
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$redv = "$ARGV[1]_red(v)"; |
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$grnv = "$ARGV[1]_grn(v)"; |
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$bluv = "$ARGV[1]_blu(v)"; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-i') { # Image for intensity mapping |
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$picture = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-p') { # Image for background |
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$cpict = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-ip' || "$ARGV[0]" eq '-pi') { |
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$picture = $ARGV[1]; |
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$cpict = $ARGV[1]; |
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shift @ARGV; |
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} elsif ("$ARGV[0]" eq '-n') { # Number of contour lines |
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$ndivs = $ARGV[1]; |
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shift @ARGV; |
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} elsif (m/-l$/) { # Label |
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$label = shift; |
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} elsif (m/-log/) { # Logarithmic mapping |
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$decades = shift; |
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} elsif (m/-r/) { # Custom palette functions for R,G,B |
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$redv = shift; |
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} elsif (m/-g/) { |
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$grnv = shift; |
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} elsif (m/-b/) { |
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$bluv = shift; |
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} elsif (m/-pal$/) { # Color palette |
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$pal = shift; |
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if (! grep $_ eq $pal, @palettes) { |
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die("invalid palette '$pal'.\n"); |
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} |
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$redv = "${pal}_red(v)"; |
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$grnv = "${pal}_grn(v)"; |
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$bluv = "${pal}_blu(v)"; |
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} elsif (m/-i$/) { # Image for intensity mapping |
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$picture = shift; |
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} elsif (m/-p$/) { # Image for background |
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$cpict = shift; |
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} elsif (m/-ip/ || m/-pi/) { |
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$picture = shift; |
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$cpict = $picture; |
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} elsif (m/-n/) { # Number of contour lines |
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$ndivs = shift; |
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# Switches |
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} elsif ("$ARGV[0]" eq '-cl') { # Contour lines |
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# Switches |
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} elsif (m/-cl/) { # Contour lines |
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$docont = 'a'; |
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$loff = 12; |
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} elsif ("$ARGV[0]" eq '-cb') { # Contour bands |
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> |
$loff = 0.48; |
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} elsif (m/-cb/) { # Contour bands |
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$docont = 'b'; |
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< |
$loff = 13; |
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< |
} elsif ("$ARGV[0]" eq '-e') { |
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> |
$loff = 0.52; |
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} elsif (m/-cp/) { # Posterize |
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$doposter = 1; |
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} elsif (m/-palettes/) { # Show all available palettes |
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$scale = 45824; # 256 * 179 |
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$showpal = 1; |
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} elsif (m/-e/) { |
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$doextrem = 1; |
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$needfile = 1; |
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# Oops! Illegal option |
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# Oops! Illegal option |
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} else { |
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die("bad option \"$ARGV[0]\"\n"); |
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die("bad option \"$_\"\n"); |
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} |
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shift @ARGV; |
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} |
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# Temporary directory. Will be removed upon successful program exit. |
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my $td = tempdir( CLEANUP => 1 ); |
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if ($needfile == 1 && $picture eq '-') { |
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$picture = $td . '/' . $picture; |
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# Pretend that $td/stdin.rad is the actual filename. |
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$picture = "$td/stdin.hdr"; |
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open(FHpic, ">$picture") or |
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die("Unable to write to file $picture\n"); |
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# Input is from STDIN: Capture to file. |
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while (<>) { |
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print FHpic; |
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} |
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close(FHpic); |
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if ($cpict eq '-') { |
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$cpict = "$td/stdin.hdr"; |
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} |
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} |
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# Find a good scale for auto mode. |
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if ($scale =~ m/[aA].*/) { |
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my $LogLmax = `phisto $picture| tail -2| sed -n '1s/[0-9]*\$//p'`; |
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> |
my @histo = split(/\s/, `phisto $picture| tail -2`); |
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# e.g. $ phisto tests/richmond.hdr| tail -2 |
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# 3.91267 14 |
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# 3.94282 6 |
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my $LogLmax = $histo[0]; |
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$scale = $mult / 179 * 10**$LogLmax; |
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} |
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< |
my $pc0 = $td . '/pc0.cal'; |
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> |
my $pc0 = "$td/pc0.cal"; |
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open(FHpc0, ">$pc0"); |
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print FHpc0 <<EndOfPC0; |
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PI : 3.14159265358979323846 ; |
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spec_blu(x) = 1 - 8/3*x; |
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pm3d_red(x) = sqrt(x) ^ gamma; |
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< |
pm3d_grn(x) = x*x*x ^ gamma; |
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< |
pm3d_blu(x) = clip(sin(2*PI*x)) ^ gamma; |
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> |
pm3d_grn(x) = (x*x*x) ^ gamma; |
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pm3d_blu(x) = clip(sin(2*PI*clip(x))) ^ gamma; |
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hot_red(x) = clip(3*x) ^ gamma; |
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hot_grn(x) = clip(3*x - 1) ^ gamma; |
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hot_blu(x) = clip(3*x - 2) ^ gamma; |
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eco_red(x) = clip(2*x) ^ gamma; |
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eco_grn(x) = clip(2*(x-0.5)) ^ gamma; |
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eco_blu(x) = clip(2*(0.5-x)) ^ gamma; |
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+ |
|
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interp_arr2(i,x,f):(i+1-x)*f(i)+(x-i)*f(i+1); |
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interp_arr(x,f):if(x-1,if(f(0)-x,interp_arr2(floor(x),x,f),f(f(0))),f(1)); |
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|
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go = if(in,clip($grnv),ga); |
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bo = if(in,clip($bluv),ba); |
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EndOfPC0 |
| 196 |
+ |
close FHpc0; |
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|
| 198 |
< |
my $pc1 = $td . '/pc1.cal'; |
| 198 |
> |
my $pc1 = "$td/pc1.cal"; |
| 199 |
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open(FHpc1, ">$pc1"); |
| 200 |
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print FHpc1 <<EndOfPC1; |
| 201 |
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norm : mult/scale/le(1); |
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ga = gi(nfiles); |
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ba = bi(nfiles); |
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EndOfPC1 |
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+ |
close FHpc1; |
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my $pc0args = "-f $pc0"; |
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my $pc1args = "-f $pc1"; |
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< |
# Contour lines or bands |
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> |
if ($showpal == 1) { |
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> |
my $pc = "pcompos -a 1"; |
| 223 |
> |
foreach my $pal (@palettes) { |
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> |
my $fcimg = "$td/$pal.hdr"; |
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> |
my $lbimg = "$td/${pal}_label.hdr"; |
| 226 |
> |
system "psign -cb 0 0 0 -cf 1 1 1 -h 20 $pal > $lbimg"; |
| 227 |
> |
|
| 228 |
> |
my $cmd = qq[pcomb $pc0args -e "v=x/256"]; |
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> |
$cmd .= qq[ -e "ro=clip(${pal}_red(v));go=clip(${pal}_grn(v));bo=clip(${pal}_blu(v))"]; |
| 230 |
> |
$cmd .= qq[ -x 256 -y 30 > $fcimg]; |
| 231 |
> |
system "$cmd"; |
| 232 |
> |
$pc .= " $fcimg $lbimg"; |
| 233 |
> |
} |
| 234 |
> |
system "$pc"; |
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> |
exit 0; |
| 236 |
> |
} |
| 237 |
> |
|
| 238 |
> |
# Contours |
| 239 |
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if ($docont ne '') { |
| 240 |
< |
$pc0args .= " -e 'in=iscont$docont'"; |
| 240 |
> |
# -cl -> $docont = a |
| 241 |
> |
# -cb -> $docont = b |
| 242 |
> |
$pc0args .= qq[ -e "in=iscont$docont"]; |
| 243 |
> |
} elsif ($doposter == 1) { |
| 244 |
> |
# -cp -> $doposter = 1 |
| 245 |
> |
$pc0args .= qq[ -e "ro=${pal}_red(seg(v));go=${pal}_grn(seg(v));bo=${pal}_blu(seg(v))"]; |
| 246 |
> |
$pc0args .= q[ -e "seg(x)=(floor(v*ndivs)+.5)/ndivs"]; |
| 247 |
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} |
| 248 |
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|
| 249 |
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if ($cpict eq '') { |
| 250 |
< |
$pc1args .= " -e 'ra=0;ga=0;ba=0'"; |
| 250 |
> |
$pc1args .= qq[ -e "ra=0;ga=0;ba=0"]; |
| 251 |
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} elsif ($cpict eq $picture) { |
| 252 |
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$cpict = ''; |
| 253 |
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} |
| 254 |
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|
| 255 |
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# Logarithmic mapping |
| 256 |
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if ($decades > 0) { |
| 257 |
< |
$pc1args .= " -e 'map(x)=if(x-10^-$decades,log10(x)/$decades+1,0)'"; |
| 257 |
> |
$pc1args .= qq[ -e "map(x)=if(x-10^-$decades,log10(x)/$decades+1,0)"]; |
| 258 |
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} |
| 259 |
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|
| 260 |
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# Colours in the legend |
| 261 |
< |
my $scolpic = $td . '/scol.hdr'; |
| 261 |
> |
my $scolpic = "$td/scol.hdr"; |
| 262 |
> |
|
| 263 |
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# Labels in the legend |
| 264 |
< |
my $slabpic = $td . '/slab.hdr'; |
| 264 |
> |
my $slabpic = "$td/slab.hdr"; |
| 265 |
|
my $cmd; |
| 266 |
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|
| 267 |
< |
if ($legwidth > 20 && $legheight > 40) { |
| 268 |
< |
# Legend: Create the background colours |
| 223 |
< |
$cmd = "pcomb $pc0args -e 'v=(y+.5)/yres;vleft=v;vright=v'"; |
| 224 |
< |
$cmd .= " -e 'vbelow=(y-.5)/yres;vabove=(y+1.5)/yres'"; |
| 225 |
< |
$cmd .= " -x $legwidth -y $legheight > $scolpic"; |
| 226 |
< |
system $cmd; |
| 227 |
< |
|
| 228 |
< |
# Legend: Create the text labels |
| 267 |
> |
if (($legwidth > 20) && ($legheight > 40)) { |
| 268 |
> |
# Legend: Create the text labels |
| 269 |
|
my $sheight = floor($legheight / $ndivs + 0.5); |
| 270 |
+ |
$legheight = $sheight * $ndivs; |
| 271 |
+ |
$loff = floor($loff * $sheight + 0.5); |
| 272 |
|
my $text = "$label"; |
| 273 |
< |
my $value; |
| 232 |
< |
my $i; |
| 233 |
< |
for ($i=0; $i<$ndivs; $i++) { |
| 273 |
> |
for (my $i=0; $i<$ndivs; $i++) { |
| 274 |
|
my $imap = ($ndivs - 0.5 - $i) / $ndivs; |
| 275 |
+ |
my $value = $scale; |
| 276 |
|
if ($decades > 0) { |
| 277 |
< |
$value = $scale * 10**(($imap - 1) * $decades); |
| 277 |
> |
$value *= 10**(($imap - 1) * $decades); |
| 278 |
|
} else { |
| 279 |
< |
$value = $scale * $imap; |
| 279 |
> |
$value *= $imap; |
| 280 |
|
} |
| 281 |
+ |
|
| 282 |
|
# Have no more than 3 decimal places |
| 283 |
|
$value =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 284 |
|
$text .= "\n$value"; |
| 285 |
|
} |
| 286 |
< |
$cmd = "echo '$text' | psign -s -.15 -cf 1 1 1 -cb 0 0 0"; |
| 287 |
< |
$cmd .= " -h $sheight > $slabpic"; |
| 286 |
> |
open PSIGN, "| psign -s -.15 -cf 1 1 1 -cb 0 0 0 -h $sheight > $slabpic"; |
| 287 |
> |
print PSIGN "$text\n"; |
| 288 |
> |
close PSIGN; |
| 289 |
> |
|
| 290 |
> |
# Legend: Create the background colours |
| 291 |
> |
$cmd = qq[pcomb $pc0args]; |
| 292 |
> |
$cmd .= q[ -e "v=(y+.5)/yres;vleft=v;vright=v"]; |
| 293 |
> |
$cmd .= q[ -e "vbelow=(y-.5)/yres;vabove=(y+1.5)/yres"]; |
| 294 |
> |
$cmd .= qq[ -x $legwidth -y $legheight > $scolpic]; |
| 295 |
|
system $cmd; |
| 296 |
|
} else { |
| 297 |
< |
# Legend is too small to be legible. Don't bother doing one. |
| 297 |
> |
# Legend is too small to be legible. Don't bother doing one. |
| 298 |
|
$legwidth = 0; |
| 299 |
|
$legheight = 0; |
| 300 |
+ |
$loff = 0; |
| 301 |
+ |
|
| 302 |
+ |
# Create dummy colour scale and legend labels so we don't |
| 303 |
+ |
# need to change the final command line. |
| 304 |
|
open(FHscolpic, ">$scolpic"); |
| 305 |
< |
print FHscolpic '\n-Y 1 +X 1\naaa\n'; |
| 305 |
> |
print FHscolpic "\n-Y 1 +X 1\naaa\n"; |
| 306 |
|
close(FHscolpic); |
| 307 |
|
open(FHslabpic, ">$slabpic"); |
| 308 |
< |
print FHslabpic '\n-Y 1 +X 1\naaa\n'; |
| 308 |
> |
print FHslabpic "\n-Y 1 +X 1\naaa\n"; |
| 309 |
|
close(FHslabpic); |
| 310 |
|
} |
| 311 |
|
|
| 312 |
+ |
# Legend: Invert the text labels (for dropshadow) |
| 313 |
+ |
my $slabinvpic = "$td/slabinv.hdr"; |
| 314 |
+ |
$cmd = qq[pcomb -e "lo=1-gi(1)" $slabpic > $slabinvpic]; |
| 315 |
+ |
system $cmd; |
| 316 |
+ |
|
| 317 |
|
my $loff1 = $loff - 1; |
| 318 |
+ |
|
| 319 |
|
# Command line without extrema |
| 320 |
< |
$cmd = "pcomb $pc0args $pc1args $picture $cpict"; |
| 321 |
< |
$cmd .= "| pcompos $scolpic 0 0 +t .1"; |
| 322 |
< |
$cmd .= " \"\!pcomb -e 'lo=1-gi(1)' $slabpic\" 2 $loff1"; |
| 323 |
< |
$cmd .= " -t .5 $slabpic 0 $loff - $legwidth 0"; |
| 320 |
> |
$cmd = qq[pcomb $pc0args $pc1args "$picture"]; |
| 321 |
> |
$cmd .= qq[ "$cpict"] if ($cpict); |
| 322 |
> |
$cmd .= qq[ | pcompos $scolpic 0 0 +t .1 $slabinvpic 2 $loff1]; |
| 323 |
> |
$cmd .= qq[ -t .5 $slabpic 0 $loff - $legwidth 0]; |
| 324 |
|
|
| 325 |
|
if ($doextrem == 1) { |
| 326 |
< |
# Get min/max image luminance |
| 326 |
> |
# Get min/max image luminance |
| 327 |
|
my $cmd1 = 'pextrem -o ' . $picture; |
| 328 |
|
my $retval = `$cmd1`; |
| 329 |
|
# e.g. |
| 332 |
|
# 211 202 1.292969e+00 1.308594e+00 1.300781e+00 |
| 333 |
|
|
| 334 |
|
my @extrema = split(/\s/, $retval); |
| 335 |
< |
my $lxmin = $extrema[0] + $legwidth; |
| 336 |
< |
my $ymin = $extrema[1]; |
| 337 |
< |
my $rmin = $extrema[2]; |
| 279 |
< |
my $gmin = $extrema[3]; |
| 280 |
< |
my $bmin = $extrema[4]; |
| 281 |
< |
my $lxmax = $extrema[5] + $legwidth; |
| 282 |
< |
my $ymax = $extrema[6]; |
| 283 |
< |
my $rmax = $extrema[7]; |
| 284 |
< |
my $gmax = $extrema[8]; |
| 285 |
< |
my $bmax = $extrema[9]; |
| 335 |
> |
my ($lxmin, $ymin, $rmin, $gmin, $bmin, $lxmax, $ymax, $rmax, $gmax, $bmax) = @extrema; |
| 336 |
> |
$lxmin += $legwidth; |
| 337 |
> |
$lxmax += $legwidth; |
| 338 |
|
|
| 339 |
< |
# Weighted average of R,G,B |
| 339 |
> |
# Weighted average of R,G,B |
| 340 |
|
my $minpos = "$lxmin $ymin"; |
| 341 |
|
my $minval = ($rmin * .27 + $gmin * .67 + $bmin * .06) * $mult; |
| 342 |
|
$minval =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 291 |
– |
my $maxpos = "$lxmax $ymax"; |
| 343 |
|
my $maxval = ($rmax * .27 + $gmax * .67 + $bmax * .06) * $mult; |
| 344 |
|
$maxval =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 345 |
|
|
| 346 |
< |
# Create the labels for min/max intensity |
| 347 |
< |
my $minvpic = $td . '/minv.hdr'; |
| 348 |
< |
$cmd1 = "psign -s -.15 -a 2 -h 16 $minval > $minvpic"; |
| 349 |
< |
system $cmd1; |
| 350 |
< |
my $maxvpic = $td . '/maxv.hdr'; |
| 300 |
< |
$cmd1 = "psign -s -.15 -a 2 -h 16 $maxval > $maxvpic"; |
| 301 |
< |
system $cmd1; |
| 346 |
> |
# Create the labels for min/max intensity |
| 347 |
> |
my $minvpic = "$td/minv.hdr"; |
| 348 |
> |
system "psign -s -.15 -a 2 -h 16 $minval > $minvpic"; |
| 349 |
> |
my $maxvpic = "$td/maxv.hdr"; |
| 350 |
> |
system "psign -s -.15 -a 2 -h 16 $maxval > $maxvpic"; |
| 351 |
|
|
| 352 |
< |
# Add extrema labels to command line |
| 353 |
< |
$cmd .= " $minvpic $minpos $maxvpic $maxpos"; |
| 352 |
> |
# Add extrema labels to command line |
| 353 |
> |
$cmd .= qq[ $minvpic $minpos $maxvpic $lxmax $ymax]; |
| 354 |
|
} |
| 355 |
|
|
| 356 |
|
# Process image and combine with legend |
