<?php
/***************************************************************
* hilbert curve
* Version 0.3
*
* Copyright (c) 2010-2015 Chi Hoang
* All rights reserved
***************************************************************/
require_once("hilbert.php");
$hilbert=new hilbert();
foreach (range(31,0,-1) as $x)
{
foreach (range(31,0,-1) as $y)
{
$sort[] = $points["$x, $y"] = $hilbert->point2moore($x, $y, 4);
}
}
array_multisort($points, $sort);
foreach ($points as $k => $v)
{
echo $k."\n";
}
foreach (range(7,0,-1) as $x)
{
foreach (range(7,0,-1) as $y)
{
$sort[] = $points["$x, $y"] = $hilbert->point2hilbert($x, $y, 3);
}
}
array_multisort($points, $sort);
foreach ($points as $k => $v)
{
echo $k."\n";
}
?>
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