AI-NeuralNet-Kohonen-Demo-RGB

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README  view on Meta::CPAN

AI/NeuralNet/Kohonen/Demo/RGB version 0.01
==========================================

	use AI::NeuralNet::Kohonen::Demo::RGB;
	$_ = AI::NeuralNet::Kohonen::Demo::RGB->new(
			map_dim => 39,
			epochs  => 9,
			table   => "R G B"
				  ."1 0 0"
				  ."0 1 0"
				  ."0 0 1",
	);
	$_->train;
	exit;

A sub-class of "AI::NeuralNet::Kohonen" that Impliments extra methods

RGB.pm  view on Meta::CPAN

=head1 NAME

AI::NeuralNet::Kohonen::Demo::RGB - Colour-based demo

=head1 SYNOPSIS

	use AI::NeuralNet::Kohonen::Demo::RGB;
	$_ = AI::NeuralNet::Kohonen::Demo::RGB->new(
		display_scale => 20,
		display	=> 'hex',
		map_dim	=> 39,
		epochs  => 9,
		table   => "R G B"
	              ."1 0 0"
	              ."0 1 0"
	              ."0 0 1",
	);
	$_->train;
	exit;

RGB.pm  view on Meta::CPAN

use Tk;
use Tk::Canvas;
use Tk::Label;
use Tk qw/DoOneEvent DONT_WAIT/;

#
# Used only by &tk_train
#
sub tk_show { my $self=shift;
	for my $x (0..$self->{map_dim_x}){
		for my $y (0..$self->{map_dim_y}){
			my $colour = sprintf("#%02x%02x%02x",
				(int (255 * $self->{map}->[$x]->[$y]->{weight}->[0])),
				(int (255 * $self->{map}->[$x]->[$y]->{weight}->[1])),
				(int (255 * $self->{map}->[$x]->[$y]->{weight}->[2])),
			);
			if ($self->{display} and $self->{display} eq 'hex'){
				my $xo = ($y % 2) * ($self->{display_scale}/2);
				my $yo = 0;

				$self->{c}->create(
					polygon	=> [
						$xo + ((1+$x)*$self->{display_scale} ),
						$yo + ((1+$y)*$self->{display_scale} ),

RGB.pm  view on Meta::CPAN

				);
			}
		}
	}
	return 1;
}


=head1 METHOD train

Over-rides the base class to provide TK displays of the map

=cut

sub train { my ($self,$epochs) = (shift,shift);
	my $label_txt;

	$epochs = $self->{epochs} unless defined $epochs;
	$self->{display_scale} = 10 if not defined 	$self->{display_scale};

	$self->{mw} = MainWindow->new(
		-width	=> 200+($self->{map_dim_x} * $self->{display_scale}),
		-height	=> 200+($self->{map_dim_y} * $self->{display_scale}),
	);
    my $quit_flag = 0;
    my $quit_code = sub {$quit_flag = 1};
    $self->{mw}->protocol('WM_DELETE_WINDOW' => $quit_code);

	$self->{c} = $self->{mw}->Canvas(
		-width	=> 50+($self->{map_dim_x} * $self->{display_scale}),
		-height	=> 50+($self->{map_dim_y} * $self->{display_scale}),
		-relief	=> 'ridge',
		-border => 5,
	);
	$self->{c}->pack(-side=>'top');

	my $l = $self->{mw}->Label(-text => ' ',-textvariable=>\$label_txt);
	$l->pack(-side=>'left');

	# Replaces Tk's MainLoop
    for (0..$self->{epochs}) {

test.pl  view on Meta::CPAN

		[1,2,3]
	],
);
ok( ref $_->{input}, 'ARRAY');
ok( $_->{input}->[0]->[0],1);
ok( $_->{input}->[0]->[1],2);
ok( $_->{input}->[0]->[2],3);


$_ = AI::NeuralNet::Kohonen::Demo::RGB->new(
	map_dim	=> 39,
	epochs => 3,
	table=>
"R G B
1 0 0
0 1 0
0 0 1
",
);
ok( ref $_->{input}, 'ARRAY');
ok( $_->{input}->[0]->[0],1);
ok( $_->{input}->[0]->[1],0);
ok( $_->{input}->[0]->[2],0);
ok( $_->{weight_dim}, 2);

$_->train;

$_ = AI::NeuralNet::Kohonen::Demo::RGB->new(
	display_scale => 10,
	display	=> 'hex',
	map_dim	=> 39,
	epochs => 9,
	table=>
"R G B
1 0 0
0 1 0
0 0 1
",
);
ok( ref $_->{input}, 'ARRAY');
ok( $_->{input}->[0]->[0],1);