use strict;
use warnings;
use Chart::Gnuplot;

my (@x,@y,@data); #data is initialized.

@data = (
         [0, 0, 10],
         [0, 1, 10],
         [0, 2, 10],
         [1, 0, 10],
         [1, 1, 5],
         [1, 2, 10],
         [2, 0, 10],
         [2, 1, 1],
         [2, 2, 10],
         [3, 0, 10],
         [3, 1, 0],
         [3, 2, 10],
        );

my $chart = Chart::Gnuplot->new(
    output => "test1.png",
    title  => "3D plot from arrays of x, y and z coordinates",
    xlabel => 'x',
    ylabel => 'y',
);
#$chart->set(view => (180,180,1,1');                                             

my $dataSet = Chart::Gnuplot::DataSet->new(
    points => \@data,
);

$chart->plot3d($dataSet);