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<?php |
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/** |
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* This file is part of the Cubiche package. |
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* |
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* Copyright (c) Cubiche |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cubiche\Domain\Geolocation; |
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use Cubiche\Domain\Model\ValueObjectInterface; |
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use Cubiche\Domain\System\Real; |
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/** |
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* Coordinate Class. |
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* |
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* @author Karel Osorio Ramírez <[email protected]> |
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*/ |
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class Coordinate implements ValueObjectInterface |
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{ |
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const EARTH_RADIUS = 6378136.0; //m |
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/** |
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* @var Latitude |
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*/ |
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protected $latitude; |
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/** |
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* @var Longitude |
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*/ |
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protected $longitude; |
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/** |
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* @param float $latitude |
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* @param float $longitude |
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* |
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* @return Coordinate |
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*/ |
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public static function fromLatLng($latitude, $longitude) |
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{ |
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return new static(new Latitude($latitude), new Longitude($longitude)); |
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} |
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/** |
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* @param Latitude $latitude |
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* @param Longitude $longitude |
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*/ |
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public function __construct(Latitude $latitude, Longitude $longitude) |
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{ |
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$this->latitude = $latitude; |
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$this->longitude = $longitude; |
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} |
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/** |
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* @return Latitude |
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*/ |
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public function latitude() |
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{ |
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return $this->latitude; |
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} |
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/** |
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* @return Longitude |
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*/ |
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public function longitude() |
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{ |
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return $this->longitude; |
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} |
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/** |
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* @param Coordinate $coordinate |
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* @param DistanceUnit $unit |
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*/ |
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public function distance(Coordinate $coordinate, DistanceUnit $unit = null) |
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{ |
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$latA = \deg2rad($this->latitude()); |
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$lngA = \deg2rad($this->longitude()); |
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$latB = \deg2rad($coordinate->latitude()); |
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$lngB = \deg2rad($coordinate->longitude()); |
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$degrees = \acos(\sin($latA) * \sin($latB) + \cos($latA) * \cos($latB) * \cos($lngB - $lngA)); |
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$unit = $unit === null ? DistanceUnit::METER() : $unit; |
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return (new Distance(Real::fromNative($degrees * self::EARTH_RADIUS), DistanceUnit::METER()))->in($unit); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function equals($other) |
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{ |
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return $other instanceof self && |
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$this->latitude()->equals($other->latitude()) && |
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$this->longitude()->equals($other->longitude()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hashCode() |
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{ |
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return \sprintf('%F-%F', $this->latitude()->toNative(), $this->longitude()->toNative()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __toString() |
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{ |
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return \sprintf('[%F, %F]', $this->latitude()->toNative(), $this->longitude()->toNative()); |
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} |
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} |
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cubiche /
geolocation
