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<?php |
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declare(strict_types=1); |
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namespace PrinsFrank\PhpGeoSVG\Geometry\BoundingBox; |
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use PrinsFrank\PhpGeoSVG\Exception\InvalidBoundingBoxException; |
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use PrinsFrank\PhpGeoSVG\Geometry\Position\Position; |
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use PrinsFrank\PhpGeoSVG\Projection\Projection; |
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class BoundingBox |
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{ |
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/** |
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* @throws InvalidBoundingBoxException |
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*/ |
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public function __construct(public BoundingBoxPosition $southWestern, public BoundingBoxPosition $northEastern) |
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{ |
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if ($this->southWestern->longitude > Position::MAX_LONGITUDE) { |
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throw new InvalidBoundingBoxException( |
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'The bounding box is unnecessarily rotated. Use a minLongitude of "' . (($this->southWestern->longitude + 180) % 360 - 180) . '" instead to achieve the same bound.' |
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); |
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} |
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if ($this->northEastern->longitude < Position::MIN_LONGITUDE) { |
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throw new InvalidBoundingBoxException( |
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'The bounding box is unnecessarily rotated. Use a maxLongitude of "' . (($this->northEastern->longitude - 180) % 360 + 180) . '" instead to achieve the same bound.' |
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); |
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} |
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if ($this->northEastern->latitude < $this->southWestern->latitude) { |
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throw new InvalidBoundingBoxException( |
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'The latitude of the NorthEastern coordinate (' . $this->northEastern->latitude . ') is south of the SouthWestern coordinate (' . $this->southWestern->latitude . ')' |
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); |
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} |
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if ($this->northEastern->longitude < $this->southWestern->longitude) { |
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throw new InvalidBoundingBoxException( |
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'The longitude of the NorthEastern coordinate (' . $this->northEastern->longitude . ') is west of the SouthWestern coordinate (' . $this->southWestern->longitude . ')' |
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); |
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} |
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} |
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public function getWidth(): float |
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{ |
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return - $this->southWestern->longitude + $this->northEastern->longitude; |
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} |
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public function getHeight(): float |
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{ |
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return - $this->southWestern->latitude + $this->northEastern->latitude; |
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} |
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public function boundX(Position $position, Projection $projection): float |
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{ |
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return $projection->getX($position) |
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- ($projection->getX(new Position($this->southWestern->longitude, 0)) |
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- $projection->getX(new Position(Position::MIN_LONGITUDE, 0))); |
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} |
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public function boundY(Position $position, Projection $projection): float |
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{ |
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return $projection->getY($position) |
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- ($projection->getY(new Position(0, $this->northEastern->latitude)) |
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- $projection->getY(new Position(0, $projection->getMaxLatitude()))); |
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} |
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} |
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PrinsFrank /
php-geo-svg
