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<?php |
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/** |
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* PHPCoord. |
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* |
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* @author Doug Wright |
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*/ |
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declare(strict_types=1); |
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namespace PHPCoord\CoordinateSystem; |
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use PHPCoord\EPSG\Repository; |
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use PHPCoord\Exception\UnknownCoordinateSystemException; |
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abstract class CoordinateSystem implements CoordinateSystemIds |
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{ |
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public const CS_TYPE_CARTESIAN = 'Cartesian'; |
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public const CS_TYPE_ELLIPSOIDAL = 'ellipsoidal'; |
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public const CS_TYPE_ORDINAL = 'ordinal'; |
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public const CS_TYPE_SPHERICAL = 'spherical'; |
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public const CS_TYPE_VERTICAL = 'vertical'; |
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/** @var int */ |
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protected $epsgCode; |
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/** @var Axis[] */ |
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protected $axes; |
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/** @var Repository */ |
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private static $repository; |
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public static function fromEPSGCode(int $epsgCode): self |
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{ |
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$repository = static::$repository ?? new Repository(); |
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$allData = $repository->getCoordinateSystems(true); |
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if (!isset($allData[$epsgCode])) { |
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throw new UnknownCoordinateSystemException($epsgCode); |
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} |
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$data = $allData[$epsgCode]; |
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$axes = []; |
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foreach ($data['axes'] as $axisData) { |
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$axes[$axisData['coord_axis_order']] = new Axis( |
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$axisData['coord_axis_orientation'], |
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$axisData['coord_axis_abbreviation'], |
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$axisData['coord_axis_name'], |
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$axisData['uom_code'], |
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); |
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} |
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if ($data['coord_sys_type'] === self::CS_TYPE_CARTESIAN) { |
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return new Cartesian($epsgCode, $axes); |
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} |
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if ($data['coord_sys_type'] === self::CS_TYPE_ELLIPSOIDAL) { |
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return new Ellipsoidal($epsgCode, $axes); |
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} |
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if ($data['coord_sys_type'] === self::CS_TYPE_VERTICAL) { |
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return new Vertical($epsgCode, $axes); |
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} |
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throw new UnknownCoordinateSystemException($epsgCode); // @codeCoverageIgnore |
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} |
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public function __construct( |
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int $epsgCode, |
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array $axes |
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) { |
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$this->epsgCode = $epsgCode; |
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$this->axes = $axes; |
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} |
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public function getEpsgCode(): int |
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{ |
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return $this->epsgCode; |
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} |
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/** |
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* @return Axis[] |
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*/ |
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public function getAxes(): array |
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{ |
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return $this->axes; |
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} |
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} |
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dvdoug /
PHPCoord
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