function sample($type)
{
$type = intval($type);
switch ($type) {
case 1:
if (($handle = fopen("./data/test.csv", "r")) !== FALSE) {
while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
debug_arr($data);
}
fclose($handle);
}
break;
default:
$data = array();
}
}
function points()
{
$points = array();
for ($i = 0; $i < 12; $i++) {
$points[] = array('x' => rand(10, 200), 'y' => rand(10, 200));
}
$distance = array();
foreach ($points as $index => $point) {
foreach ($points as $idx => $pt) {
if ($idx != $index && empty($distance["{$idx}-{$index}"])) {
$distance_calc = pow($point['x'] - $pt['x'], 2) + pow($point['y'] - $pt['y'], 2);
$distance_calc = sqrt($distance_calc);
// echo "<div>({$point['x']} - {$pt['x']})^2 + ({$point['y']} - {$pt['y']})^2 = {$distance_calc}</div>";
$distance["{$index}-{$idx}"] = round($distance_calc, 3);
}
}
}
asort($distance);
debug_arr($points);
debug_arr($distance);
// echo json_indent($points);
}
function traceAll()
{
debug_arr($this->nodes);
}