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<?php |
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namespace kalanis\kw_coordinates\Codecs; |
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use kalanis\kw_coordinates\CoordinatesException; |
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use kalanis\kw_coordinates\Interfaces; |
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use kalanis\kw_coordinates\Support; |
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/** |
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* Class Degrees |
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* @package kalanis\kw_coordinates\Codecs |
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* Format data from and into degrees, minutes and seconds |
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*/ |
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class Degrees implements Interfaces\ICodecs |
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{ |
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protected Interfaces\INumbers $pos; |
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protected Interfaces\IFormatted $out; |
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public function __construct(?Interfaces\INumbers $position = null, ?Interfaces\IFormatted $output = null) |
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{ |
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$this->pos = $position ?: new Support\Position(); |
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$this->out = $output ?: new Support\DegreesObject(); |
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} |
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public function fromLonLat(Interfaces\INumbers $position, array $params): Interfaces\IFormatted |
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{ |
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return (clone $this->out)->setData( |
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$this->positiveNegative($this->toDegrees($position->getLongitude(), 360, 180), 'W', 'E'), |
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$this->positiveNegative($this->toDegrees($position->getLatitude(), 180, 90), 'S', 'N'), |
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$position->getAltitude() |
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); |
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} |
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protected function toDegrees(float $number, int $upperLimit, int $halfLimit): string |
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{ |
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$subs = abs($number) - intval(abs($number)); |
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$part = $number % $upperLimit; |
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$part = 0 < $part ? $part + $subs : $part - $subs; |
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$part = $part > $halfLimit ? ($part - $upperLimit) : (($part < -$halfLimit) ? ($part + $upperLimit) : $part); |
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$min = abs($part - intval($part)) * 60; |
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$sec = ($min - intval($min)) * 60; |
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$dec = $part; |
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return sprintf('%d°%d\'%01.5f"', $dec, intval($min), $sec); |
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} |
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protected function positiveNegative(string $number, string $forNegative, string $forPositive): string |
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{ |
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return (('-' == $number[0]) ? substr($number, 1) . $forNegative : $number . $forPositive); |
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} |
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public function toLonLat(Interfaces\IFormatted $source, array $params): Interfaces\INumbers |
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{ |
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return (clone $this->pos)->setData( |
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$this->fromDegrees(strval($source->getLongitude()),360, 180, 'W', 'E'), |
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$this->fromDegrees(strval($source->getLatitude()), 180, 90, 'S', 'N'), |
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floatval(strval($source->getAltitude())) |
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); |
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} |
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/** |
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* @param string $value |
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* @param int $upperLimit |
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* @param int $halfLimit |
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* @param string $forNegative |
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* @param string $forPositive |
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* @throws CoordinatesException |
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* @return float |
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*/ |
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protected function fromDegrees(string $value, int $upperLimit, int $halfLimit, string $forNegative, string $forPositive): float |
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{ |
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$format = '#([0-9\.]+)[^0-9\.]*(([0-9\.]+)[^0-9\.]*(([0-9\.]+)[^0-9\.]*)?)?#isu'; |
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if (!preg_match($format, $value, $matches)) { |
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throw new CoordinatesException(sprintf('Malformed content value *%s*', $value)); |
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} |
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$result = 0.0; |
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if (isset($matches[1])) { |
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$result += floatval($matches[1]); |
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} |
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if (isset($matches[3])) { |
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$result += (floatval($matches[3]) / 60); |
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} |
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if (isset($matches[5])) { |
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$result += (floatval($matches[5]) / (60 * 60)); |
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} |
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$result *= $this->plusMinus($value, $forNegative, $forPositive); |
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$subs = abs($result) - intval(abs($result)); |
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$part = $result % $upperLimit; |
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$part = 0 < $part ? $part + $subs : $part - $subs; |
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$part = $part > $halfLimit ? ($part - $upperLimit) : (($part < -$halfLimit) ? ($part + $upperLimit) : $part); |
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return $part; |
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} |
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protected function plusMinus(string $input, string $forNegative, string $forPositive): float |
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{ |
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return (false !== strpos($input, $forNegative)) ? -1 : 1 ; |
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} |
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} |
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alex-kalanis /
kw_coordinates
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.