Voronoi diagram: Difference between revisions
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→{{header|Perl 6}}: Add some progress indicators
Thundergnat (talk | contribs) m (→{{header|Perl 6}}: Add some progress indicators) |
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<lang perl6>use Image::PNG::Portable;
my @bars = '▁▂▃▄▅▆▇█▇▆▅▃▂▁'.comb;
my %type = ( # Voronoi diagram type distance calculation
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for %type.keys -> $type {
print "\nGenerating $type diagram... ", ' ' x @bars;
my $img = voronoi(@domains, :w($width), :h($height), :$type);
@domains.map: *.&dot($img);
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sub voronoi (@domains, :$w, :$h, :$type) {
my $png = Image::PNG::Portable.new: :width($w), :height($h);
for ^$w
my ($, $i) = min @domains.map: { %type{$type}(%($_)<x>, %($_)<y>, $x, $y), $++ };
$png.set: $x, $y, |@domains[$i]<rgb>
}
}
$png
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}
}
}
See [https://github.com/thundergnat/rc/blob/master/img/Voronoi-Euclidean-perl6.png Euclidean], [https://github.com/thundergnat/rc/blob/master/img/Voronoi-Taxicab-perl6.png Taxicab] & [https://github.com/thundergnat/rc/blob/master/img/Voronoi-Minkowski-perl6.png Minkowski] Voronoi diagram example images.
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