#!/usr/bin/perl

use strict;
use Data::Dumper;
use SVG::Graph;
use SVG::Graph::Data;
use SVG::Graph::Data::Datum;

my @d1 = ();

my ( $i, $j ) = ( 0, 0 );
while (<>) {
    last if $i >= 15;
    chomp;
    my @cols = split /\t/;
    $j = 0;
    foreach my $c (@cols) {
        last if $j >= 15;
        next if $c =~ /nan/;
        $c = int($c);
        warn "$c @ $j,$i";
        push @d1, SVG::Graph::Data::Datum->new( x => $j, y => $i, z => $c );
        $j++;
    }

    $i++;
}

my $graph = SVG::Graph->new( width => 600, height => 600, margin => 30 );

my $frame0 = $graph->add_frame;
my $frame1 = $frame0->add_frame;

#for(1..int(rand(10)+1)){push @d1, SVG::Graph::Data::Datum->new(x=>int(rand(50)),y=>int(rand(50)),z=>int(rand(10))+1);}
#for my $i (1..20){
#  for my $j (1..20){
#    push @d1, SVG::Graph::Data::Datum->new(x=>$i,y=>$j,z=>int(rand(255)));
#  }
#}

my $data1 = SVG::Graph::Data->new( data => \@d1 );

$frame1->add_data($data1);

$frame0->add_glyph( 'axis', 'stroke' => 'black', 'stroke-width' => 2 );

#$frame0->add_glyph('scatter', 'fill'=>'grey','fill-opacity'=>0.3);
$frame1->add_glyph(
    'heatmap',
    'fill'         => 'yellow',
    'fill-opacity' => 0,
    stroke         => 'black',
    rgb_h          => [ 255, 255, 0 ],
    rgb_m          => [ 255, 255, 255 ],
    rgb_l          => [ 0, 0, 255 ]
);

print $graph->draw;