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<?php |
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/* |
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* This file is part of the Geotools library. |
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* |
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* (c) Antoine Corcy <[email protected]> |
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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 League\Geotools\Coordinate; |
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use League\Geotools\ArrayCollection; |
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use League\Geotools\Exception\InvalidArgumentException; |
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/** |
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* @author Gabriel Bull <[email protected]> |
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*/ |
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class CoordinateCollection extends ArrayCollection |
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{ |
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/** |
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* @var Ellipsoid |
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*/ |
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private $ellipsoid; |
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/** |
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* CoordinateCollection constructor. |
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* |
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* @param CoordinateInterface[] $coordinates |
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* @param Ellipsoid $ellipsoid |
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*/ |
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public function __construct(array $coordinates = array(), Ellipsoid $ellipsoid = null) |
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{ |
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if ($ellipsoid) { |
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$this->ellipsoid = $ellipsoid; |
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} elseif (count($coordinates) > 0) { |
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$this->ellipsoid = reset($coordinates)->getEllipsoid(); |
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} |
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$this->checkCoordinatesArray($coordinates); |
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parent::__construct($coordinates); |
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} |
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/** |
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* @param string $key |
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* @param CoordinateInterface $value |
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*/ |
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public function set($key, $value) |
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{ |
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$this->checkEllipsoid($value); |
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$this->elements[$key] = $value; |
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} |
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/** |
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* @param CoordinateInterface $value |
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* @return bool |
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*/ |
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public function add($value) |
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{ |
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$this->checkEllipsoid($value); |
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$this->elements[] = $value; |
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return true; |
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} |
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/** |
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* @return Ellipsoid |
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*/ |
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public function getEllipsoid() |
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{ |
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return $this->ellipsoid; |
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} |
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/** |
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* @param array CoordinateInterface[] $coordinates |
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*/ |
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private function checkCoordinatesArray(array $coordinates) |
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{ |
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foreach ($coordinates as $coordinate) { |
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$this->checkEllipsoid($coordinate); |
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} |
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} |
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/** |
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* @param CoordinateInterface $coordinate |
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* |
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* @throws InvalidArgumentException |
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*/ |
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private function checkEllipsoid(CoordinateInterface $coordinate) |
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{ |
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if ($this->ellipsoid === null) { |
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$this->ellipsoid = $coordinate->getEllipsoid(); |
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} |
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if ($coordinate->getEllipsoid() != $this->ellipsoid) { |
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throw new InvalidArgumentException("Ellipsoids don't match"); |
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} |
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} |
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} |
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thephpleague /
geotools
