/** * {@inheritdoc} */ public function coordinateSystem() { if ($this->proxyGeometry === null) { $this->load(); } return $this->proxyGeometry->coordinateSystem(); }
/** * Creates a rectangle out of two 2D corner points. * * The result is a linear ring (closed and simple). * * @param Point $a * @param Point $b * * @return LineString * * @throws CoordinateSystemException If the points use different coordinate systems, or are not 2D. */ public static function rectangle(Point $a, Point $b) { $cs = $a->coordinateSystem(); if ($cs != $b->coordinateSystem()) { // by-value comparison. throw CoordinateSystemException::dimensionalityMix($a, $b); } if ($cs->coordinateDimension() != 2) { throw new CoordinateSystemException(__METHOD__ . ' expects 2D points.'); } $x1 = min($a->x(), $b->x()); $x2 = max($a->x(), $b->x()); $y1 = min($a->y(), $b->y()); $y2 = max($a->y(), $b->y()); $p1 = new Point($cs, $x1, $y1); $p2 = new Point($cs, $x2, $y1); $p3 = new Point($cs, $x2, $y2); $p4 = new Point($cs, $x1, $y2); return new LineString($cs, $p1, $p2, $p3, $p4, $p1); }
/** * Creates a non-empty CircularString composed of the given points. * * @param Point $point1 The first point. * @param Point ...$pointN The subsequent points. * * @return CircularString * * @throws InvalidGeometryException If the number of points is invalid. * @throws CoordinateSystemException If the points use different coordinate systems. */ public static function of(Point $point1, Point ...$pointN) { return new CircularString($point1->coordinateSystem(), $point1, ...$pointN); }