From BioPerl
#!/usr/bin/perl
# file: render_blast1.pl
# This is code example 1 in the Graphics-HOWTO
# Author: Lincoln Stein
use strict;
use lib "$ENV{HOME}/projects/bioperl-live";
use Bio::Graphics;
use Bio::SeqFeature::Generic;
my $panel = Bio::Graphics::Panel->new(-length => 1000,-width => 800);
my $track = $panel->add_track(-glyph => 'generic',-label => 1);
while (<>) { # read blast file
chomp;
next if /^\#/; # ignore comments
my($name,$score,$start,$end) = split /\t+/;
my $feature = Bio::SeqFeature::Generic->new(-display_name=>$name,-score=>$score,
-start=>$start,-end=>$end);
$track->add_feature($feature);
}
print $panel->png;