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#!/usr/local/bin/perl
# -*- perl -*-
use Chart::Strip;
my $img = Chart::Strip->new( title => 'Alien Experimentation on the Population of New England' );
my( $data );
for(my $t=0; $t<200; $t++){
my $v = sin( $t/40 ) ;
my $z = abs( sin( $t/8 )) / 2;
push @$data, {
time => $^T + $t * 5000,
value => $v,
min => $v - $z,
max => $v + $z,
};
}
$img->add_data( $data, {label => 'Drakh', style => 'range', color => '00FF00'} );
$img->add_data( $data, { style => 'line', color => '0000FF'} );
$data = [];
for(my $t=10; $t<210; $t++){
my $v = (.07,0,0,-.15,1,0,-.3,0,0,0,.07,.07)[$t % 25] || 0;
push @$data, {
time => $^T + $t * 5000,
value => ($v + $t / 100 - 1.5),
};
}
$img->add_data( $data, {label => 'Scarran', color => 'FF0000' } );
$data = [];
for(my $t=10; $t<210; $t+=15){
push @$data, {
time => $^T + $t * 5000,
value => sin( $t/30 + 1 ) - .2,
diam => abs(20*sin($t/55 - 1)) + 3,
};
}
$img->add_data( $data, {label => "G'ould", style => 'points', color => '0000FF' } );
print $img->png();
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