public function testRingPolygonFromObjectsGetLastRing()
{
$ring1 = new LineString(array(new Point(0, 0), new Point(10, 0), new Point(10, 10), new Point(0, 10), new Point(0, 0)));
$ring2 = new LineString(array(new Point(5, 5), new Point(7, 5), new Point(7, 7), new Point(5, 7), new Point(5, 5)));
$polygon = new Polygon(array($ring1, $ring2));
$this->assertEquals($ring2, $polygon->getRing(-1));
}
/**
* expects an array that conforms to a geojson object
**/
public static function buildPolygonFromGeoJsonArray(array $polygon_array, $srid)
{
if (empty($polygon_array)) {
throw new \InvalidArgumentException("polygon_array may not be empty");
}
if (isset($polygon_array['geometry']['coordinates'])) {
$lineStringArray = $polygon_array['geometry']['coordinates'];
} else {
if (isset($polygon_array['coordinates'])) {
$lineStringArray = $polygon_array['coordinates'];
}
}
$ring = array();
foreach ($lineStringArray as $lineString) {
foreach ($lineString as $point) {
$ring[] = new Point($point[0], $point[1]);
}
}
$myLineString = new LineString($ring);
$myLineString->close();
$polygon = new CrEOFPolygon($rings = array($myLineString));
$polygon->setSRID($srid);
return $polygon;
}
public function testJson()
{
$expected = '{"type":"Polygon","coordinates":[[[0,0],[10,0],[10,10],[0,10],[0,0]],[[0,0],[10,0],[10,10],[0,10],[0,0]]]}';
$rings = array(array(array(0, 0), array(10, 0), array(10, 10), array(0, 10), array(0, 0)), array(array(0, 0), array(10, 0), array(10, 10), array(0, 10), array(0, 0)));
$polygon = new Polygon($rings);
$this->assertEquals($expected, $polygon->toJson());
}
