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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; |
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use DateTimeInterface; |
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use PHPCoord\CoordinateReferenceSystem\Projected; |
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use PHPCoord\Exception\InvalidCoordinateException; |
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use PHPCoord\UnitOfMeasure\Length\Length; |
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use PHPCoord\UnitOfMeasure\Length\Metre; |
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use function floor; |
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use function implode; |
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use function str_pad; |
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use function str_replace; |
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use function strlen; |
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use function strpos; |
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use function substr; |
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use const STR_PAD_LEFT; |
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/** |
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* N.B. This is the older 1975 system, not the current ITM system for which @see IrishTransverseMercatorPoint. |
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*/ |
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class IrishGridPoint extends ProjectedPoint |
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{ |
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private const GRID_LETTERS = 'VWXYZQRSTULMNOPFGHJKABCDE'; |
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public function __construct(Length $easting, Length $northing, ?DateTimeInterface $epoch = null) |
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{ |
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parent::__construct(Projected::fromSRID(Projected::EPSG_TM75_IRISH_GRID), $easting, $northing, null, null, $epoch, null); |
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} |
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/** |
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* @param string $reference Irish grid reference (e.g. "T514131") |
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*/ |
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public static function fromGridReference(string $reference, ?DateTimeInterface $epoch = null): self |
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{ |
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$reference = str_replace(' ', '', $reference); |
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if (strlen($reference) % 2 === 0) { |
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throw new InvalidCoordinateException('Grid ref must be an even number of characters'); |
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} |
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// Letter is 100km grid sq, origin at 0,0 of this square |
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$minorEasting = strpos(static::GRID_LETTERS, $reference[0]) % 5 * 100000; |
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$minorNorthing = floor(strpos(static::GRID_LETTERS, $reference[0]) / 5) * 100000; |
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// numbers are a division of that square into smaller and smaller pieces |
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$numericPortion = substr($reference, 1); |
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$numericPortionSize = strlen($numericPortion) / 2; |
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$gridSizeInMetres = 1 * (10 ** (5 - $numericPortionSize)); |
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$easting = $minorEasting + (substr($numericPortion, 0, $numericPortionSize) * $gridSizeInMetres); |
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$northing = $minorNorthing + (substr($numericPortion, -$numericPortionSize, $numericPortionSize) * $gridSizeInMetres); |
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return new static(new Metre($easting), new Metre($northing), $epoch); |
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} |
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/** |
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* Grid reference without spaces. e.g. T514131. |
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*/ |
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public function asGridReference(int $length): string |
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{ |
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return implode('', $this->gridReference($length)); |
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} |
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/** |
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* Convert this grid reference into a grid reference string of a |
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* given length (2, 4, 6, 8 or 10) including the character |
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* designation for the 100km square. e.g. T514131. |
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* |
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* @return string |
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*/ |
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protected function gridReference(int $length): array |
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{ |
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if ($length % 2 !== 0) { |
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throw new InvalidCoordinateException('Chosen length must be an even number'); |
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} |
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$halfLength = $length / 2; |
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$x = $this->easting->asMetres()->getValue(); |
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$y = $this->northing->asMetres()->getValue(); |
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$easting = str_pad((string) $x, 6, '0', STR_PAD_LEFT); |
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$northing = str_pad((string) $y, 6, '0', STR_PAD_LEFT); |
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// second (minor) letter is 100km grid sq, origin at 0,0 of this square |
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$minorSquaresEast = $easting[0] % 5; |
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$minorSquaresNorth = $northing[0] % 5; |
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$minorLetterIndex = (5 * $minorSquaresNorth + $minorSquaresEast); |
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$minorLetter = substr(self::GRID_LETTERS, $minorLetterIndex, 1); |
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return [ |
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$minorLetter, |
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substr($easting, 1, $halfLength), |
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substr($northing, 1, $halfLength), |
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]; |
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} |
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} |
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dvdoug /
PHPCoord
Loading history...
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths