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2017 © Pedro PelĂĄez
point-in-polygon algorithm
, (*1)
Point In Polygon Algorithm, based on Michaël Niessen implementation [http://assemblysys.com/php-point-in-polygon-algorithm/], (*2)
use \Geometry\Point;
use \Geometry\Points;
use \Geometry\Polygon;
$polygon = new Polygon(new Points(array(
new Point(-1, -1),
new Point(-1, 1),
new Point(1, 1),
new Point(1, -1),
new Point(-1, -1)
)));
if($polygon->contains(new Point(0, 0))) {
echo "point is contained in polygon";
}
else {
echo "point isn't contained in polygon";
}
point-in-polygon algorithm
MIT GNU GPL V3