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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\CoordinateReferenceSystem; |
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use function array_merge; |
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use PHPCoord\CoordinateSystem\CoordinateSystem; |
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use PHPCoord\Datum\Datum; |
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use PHPCoord\Exception\UnknownCoordinateReferenceSystemException; |
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use PHPCoord\Geometry\BoundingArea; |
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abstract class CoordinateReferenceSystem |
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{ |
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public const CRS_TYPE_COMPOUND = 'compound'; |
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public const CRS_TYPE_DERIVED = 'derived'; |
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public const CRS_TYPE_DYNAMIC_GEOCENTRIC = 'dynamic geocentric'; |
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public const CRS_TYPE_DYNAMIC_GEOGRAPHIC_2D = 'dynamic geographic 2D'; |
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public const CRS_TYPE_DYNAMIC_GEOGRAPHIC_3D = 'dynamic geographic 3D'; |
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public const CRS_TYPE_DYNAMIC_VERTICAL = 'dynamic vertical'; |
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public const CRS_TYPE_ENGINEERING = 'engineering'; |
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public const CRS_TYPE_GEOCENTRIC = 'geocentric'; |
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public const CRS_TYPE_GEOGRAPHIC_2D = 'geographic 2D'; |
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public const CRS_TYPE_GEOGRAPHIC_3D = 'geographic 3D'; |
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public const CRS_TYPE_PROJECTED = 'projected'; |
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public const CRS_TYPE_VERTICAL = 'vertical'; |
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public const CRS_SRID_PREFIX_EPSG = 'urn:ogc:def:crs:EPSG::'; |
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protected string $srid; |
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protected string $name; |
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protected CoordinateSystem $coordinateSystem; |
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protected Datum $datum; |
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protected BoundingArea $boundingArea; |
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private static array $cachedObjects = []; |
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47137 |
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private static array $sridCache = []; |
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47137 |
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public function getSRID(): string |
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{ |
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return $this->srid; |
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} |
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public function getName(): string |
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{ |
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return $this->name; |
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} |
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62978 |
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public function getCoordinateSystem(): CoordinateSystem |
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{ |
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return $this->coordinateSystem; |
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} |
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public function getDatum(): Datum |
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{ |
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return $this->datum; |
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} |
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public function getBoundingArea(): BoundingArea |
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{ |
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return $this->boundingArea; |
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} |
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public static function fromSRID(string $srid): self |
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{ |
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if (!self::$sridCache) { |
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self::$sridCache['projected'] = Projected::getSupportedSRIDs(); |
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self::$sridCache['geographic2d'] = Geographic2D::getSupportedSRIDs(); |
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self::$sridCache['geographic3d'] = Geographic3D::getSupportedSRIDs(); |
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self::$sridCache['geocentric'] = Geocentric::getSupportedSRIDs(); |
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self::$sridCache['vertical'] = Vertical::getSupportedSRIDs(); |
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self::$sridCache['compound'] = Compound::getSupportedSRIDs(); |
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} |
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if (!isset(self::$cachedObjects[$srid])) { |
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if (isset(self::$sridCache['projected'][$srid])) { |
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self::$cachedObjects[$srid] = Projected::fromSRID($srid); |
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} elseif (isset(self::$sridCache['geographic2d'][$srid])) { |
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self::$cachedObjects[$srid] = Geographic2D::fromSRID($srid); |
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} elseif (isset(self::$sridCache['geographic3d'][$srid])) { |
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self::$cachedObjects[$srid] = Geographic3D::fromSRID($srid); |
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} elseif (isset(self::$sridCache['geocentric'][$srid])) { |
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self::$cachedObjects[$srid] = Geocentric::fromSRID($srid); |
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} elseif (isset(self::$sridCache['vertical'][$srid])) { |
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self::$cachedObjects[$srid] = Vertical::fromSRID($srid); |
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} elseif (isset(self::$sridCache['compound'][$srid])) { |
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self::$cachedObjects[$srid] = Compound::fromSRID($srid); |
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} else { |
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throw new UnknownCoordinateReferenceSystemException($srid); |
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} |
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} |
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return self::$cachedObjects[$srid]; |
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} |
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public static function getSupportedSRIDs(): array |
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{ |
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return array_merge(Compound::getSupportedSRIDs(), Geocentric::getSupportedSRIDs(), Geographic2D::getSupportedSRIDs(), Geographic3D::getSupportedSRIDs(), Projected::getSupportedSRIDs(), Vertical::getSupportedSRIDs()); |
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} |
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} |
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dvdoug /
PHPCoord
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.