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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\CoordinateOperation; |
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use function cos; |
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use PHPCoord\Datum\Datum; |
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use PHPCoord\UnitOfMeasure\Angle\Angle; |
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use PHPCoord\UnitOfMeasure\Angle\Degree; |
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use PHPCoord\UnitOfMeasure\Angle\Radian; |
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use PHPCoord\UnitOfMeasure\Length\Length; |
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use PHPCoord\UnitOfMeasure\Length\Metre; |
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use function sin; |
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use function sqrt; |
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/** |
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* A geographic point w/out a CRS. |
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* @internal |
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*/ |
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class GeographicValue |
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{ |
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private Radian $latitude; |
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private Radian $longitude; |
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private ?Metre $height; |
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private Datum $datum; |
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public function __construct(Angle $latitude, Angle $longitude, ?Length $height, Datum $datum) |
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{ |
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$this->latitude = $this->normaliseLatitude($latitude)->asRadians(); |
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$this->longitude = $this->normaliseLongitude($longitude)->asRadians(); |
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$this->datum = $datum; |
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$this->height = $height ? $height->asMetres() : null; |
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} |
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public function getLatitude(): Radian |
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{ |
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return $this->latitude; |
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} |
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public function getLongitude(): Radian |
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{ |
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return $this->longitude; |
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} |
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public function getHeight(): ?Metre |
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{ |
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return $this->height; |
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} |
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public function getDatum(): Datum |
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{ |
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return $this->datum; |
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} |
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public function asGeocentricValue(): GeocentricValue |
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{ |
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$a = $this->datum->getEllipsoid()->getSemiMajorAxis()->asMetres()->getValue(); |
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$e2 = $this->datum->getEllipsoid()->getEccentricitySquared(); |
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$latitude = $this->latitude->getValue(); |
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$longitude = $this->longitude->getValue() - $this->datum->getPrimeMeridian()->getGreenwichLongitude()->asRadians()->getValue(); |
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$h = isset($this->height) ? $this->height->getValue() : 0; |
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$nu = $a / sqrt(1 - $e2 * (sin($latitude) ** 2)); |
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$x = ($nu + $h) * cos($latitude) * cos($longitude); |
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$y = ($nu + $h) * cos($latitude) * sin($longitude); |
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$z = ((1 - $e2) * $nu + $h) * sin($latitude); |
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return new GeocentricValue(new Metre($x), new Metre($y), new Metre($z), $this->datum); |
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} |
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protected function normaliseLatitude(Angle $latitude): Angle |
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{ |
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if ($latitude->asDegrees()->getValue() > 90) { |
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return new Degree(90); |
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} |
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if ($latitude->asDegrees()->getValue() < -90) { |
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return new Degree(-90); |
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} |
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return $latitude; |
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} |
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protected function normaliseLongitude(Angle $longitude): Angle |
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{ |
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while ($longitude->asDegrees()->getValue() > 180) { |
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$longitude = $longitude->subtract(new Degree(360)); |
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} |
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while ($longitude->asDegrees()->getValue() <= -180) { |
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$longitude = $longitude->add(new Degree(360)); |
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} |
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return $longitude; |
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} |
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} |
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dvdoug /
PHPCoord
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.