Length::makeUnit() - Code Metrics - Inspection of "Drop deprecated data" - dvdoug/PHPCoord - Measure and Improve Code Quality continuously with Scrutinizer

Passed
Push — 4.x ( e9b635...bc20e1 )

by Doug
created 2020-12-24 20:40 UTC
Length::makeUnit() D

↳ Parent: Length
Complexity

Conditions	48
Paths	48
Size

Total Lines	100
Code Lines	96
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	96
CRAP Score	48
Importance

Changes
Metric	Value
eloc	96
c	0
b	0
f	0
dl	0
loc	100
ccs	96
cts	96
cp	1
rs	4.1666
cc	48
nc	48
nop	2
crap	48
How to fix Long Method Complexity

<?php
/**
 * PHPCoord.
 *
 * @author Doug Wright
 */
declare(strict_types=1);

namespace PHPCoord\UnitOfMeasure\Length;

use PHPCoord\Exception\UnknownUnitOfMeasureException;
use PHPCoord\UnitOfMeasure\UnitOfMeasure;

abstract class Length implements UnitOfMeasure
{
    /**
     * British chain (Benoit 1895 A)
     * Uses Benoit's 1895 British yard-metre ratio as given by Clark as 0.9143992 metres per yard.  Used for deriving
     * metric size of ellipsoid in Palestine.
     */
    public const EPSG_BRITISH_CHAIN_BENOIT_1895_A = 'urn:ogc:def:uom:EPSG::9052';

    /**
     * British chain (Benoit 1895 B)
     * Uses Benoit's 1895 British yard-metre ratio as given by Bomford as 39.370113 inches per metre.  Used in West
     * Malaysian mapping.
     */
    public const EPSG_BRITISH_CHAIN_BENOIT_1895_B = 'urn:ogc:def:uom:EPSG::9062';

    /**
     * British chain (Sears 1922 truncated)
     * Uses Sear's 1922 British yard-metre ratio (UoM code 9040) truncated to 6 significant figures; this truncated
     * ratio (0.914398, UoM code 9099) then converted to other imperial units. 1 chSe(T) = 22 ydSe(T). Used in
     * metrication of Malaya RSO grid.
     */
    public const EPSG_BRITISH_CHAIN_SEARS_1922_TRUNCATED = 'urn:ogc:def:uom:EPSG::9301';

    /**
     * British chain (Sears 1922)
     * Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre.  Used in East
     * Malaysian and older New Zealand mapping.
     */
    public const EPSG_BRITISH_CHAIN_SEARS_1922 = 'urn:ogc:def:uom:EPSG::9042';

    /**
     * British foot (1865)
     * Uses Clark's estimate of 1853-1865 British foot-metre ratio of 0.9144025 metres per yard.  Used in 1962 and 1975
     * estimates of Indian foot.
     */
    public const EPSG_BRITISH_FOOT_1865 = 'urn:ogc:def:uom:EPSG::9070';

    /**
     * British foot (1936)
     * For the 1936 retriangulation OSGB defines the relationship of 10 feet of 1796 to the International metre through
     * the logarithmic relationship (10^0.48401603 exactly). 1 ft = 0.3048007491…m. Also used for metric conversions
     * in Ireland.
     */
    public const EPSG_BRITISH_FOOT_1936 = 'urn:ogc:def:uom:EPSG::9095';

    /**
     * British foot (Benoit 1895 A)
     * Uses Benoit's 1895 British yard-metre ratio as given by Clark as 0.9143992 metres per yard.  Used for deriving
     * metric size of ellipsoid in Palestine.
     */
    public const EPSG_BRITISH_FOOT_BENOIT_1895_A = 'urn:ogc:def:uom:EPSG::9051';

    /**
     * British foot (Benoit 1895 B)
     * Uses Benoit's 1895 British yard-metre ratio as given by Bomford as 39.370113 inches per metre.  Used in West
     * Malaysian mapping.
     */
    public const EPSG_BRITISH_FOOT_BENOIT_1895_B = 'urn:ogc:def:uom:EPSG::9061';

    /**
     * British foot (Sears 1922 truncated)
     * Uses Sear's 1922 British yard-metre ratio (UoM code 9040) truncated to 6 significant figures; this truncated
     * ratio (0.914398, UoM code 9099) then converted to other imperial units. 3 ftSe(T) = 1 ydSe(T).
     */
    public const EPSG_BRITISH_FOOT_SEARS_1922_TRUNCATED = 'urn:ogc:def:uom:EPSG::9300';

    /**
     * British foot (Sears 1922)
     * Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre.  Used in East
     * Malaysian and older New Zealand mapping.
     */
    public const EPSG_BRITISH_FOOT_SEARS_1922 = 'urn:ogc:def:uom:EPSG::9041';

    /**
     * British link (Benoit 1895 A)
     * Uses Benoit's 1895 British yard-metre ratio as given by Clark as 0.9143992 metres per yard.  Used for deriving
     * metric size of ellipsoid in Palestine.
     */
    public const EPSG_BRITISH_LINK_BENOIT_1895_A = 'urn:ogc:def:uom:EPSG::9053';

    /**
     * British link (Benoit 1895 B)
     * Uses Benoit's 1895 British yard-metre ratio as given by Bomford as 39.370113 inches per metre.  Used in West
     * Malaysian mapping.
     */
    public const EPSG_BRITISH_LINK_BENOIT_1895_B = 'urn:ogc:def:uom:EPSG::9063';

    /**
     * British link (Sears 1922 truncated)
     * Uses Sear's 1922 British yard-metre ratio (UoM code 9040) truncated to 6 significant figures; this truncated
     * ratio (0.914398, UoM code 9099) then converted to other imperial units. 100 lkSe(T) = 1 chSe(T).
     */
    public const EPSG_BRITISH_LINK_SEARS_1922_TRUNCATED = 'urn:ogc:def:uom:EPSG::9302';

    /**
     * British link (Sears 1922)
     * Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre.  Used in East
     * Malaysian and older New Zealand mapping.
     */
    public const EPSG_BRITISH_LINK_SEARS_1922 = 'urn:ogc:def:uom:EPSG::9043';

    /**
     * British yard (Benoit 1895 A)
     * Uses Benoit's 1895 British yard-metre ratio as given by Clark as 0.9143992 metres per yard.  Used for deriving
     * metric size of ellipsoid in Palestine.
     */
    public const EPSG_BRITISH_YARD_BENOIT_1895_A = 'urn:ogc:def:uom:EPSG::9050';

    /**
     * British yard (Benoit 1895 B)
     * G. Bomford "Geodesy" 2nd edition 1962; after J.S.Clark "Remeasurement of the Old Length Standards"; Empire
     * Survey Review no. 90; 1953.
     */
    public const EPSG_BRITISH_YARD_BENOIT_1895_B = 'urn:ogc:def:uom:EPSG::9060';

    /**
     * British yard (Sears 1922 truncated)
     * Uses Sear's 1922 British yard-metre ratio (UoM code 9040) truncated to 6 significant figures.
     */
    public const EPSG_BRITISH_YARD_SEARS_1922_TRUNCATED = 'urn:ogc:def:uom:EPSG::9099';

    /**
     * British yard (Sears 1922)
     * Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre.  Used in East
     * Malaysian and older New Zealand mapping.
     */
    public const EPSG_BRITISH_YARD_SEARS_1922 = 'urn:ogc:def:uom:EPSG::9040';

    /**
     * Clarke's chain
     * =22 Clarke's yards.  Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to
     * the international metre.   Used in older Australian, southern African & British West Indian mapping.
     */
    public const EPSG_CLARKES_CHAIN = 'urn:ogc:def:uom:EPSG::9038';

    /**
     * Clarke's foot
     * Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to the international
     * metre.   Used in older Australian, southern African & British West Indian mapping.
     */
    public const EPSG_CLARKES_FOOT = 'urn:ogc:def:uom:EPSG::9005';

    /**
     * Clarke's link
     * =1/100 Clarke's chain. Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies
     * to the international metre.   Used in older Australian, southern African & British West Indian mapping.
     */
    public const EPSG_CLARKES_LINK = 'urn:ogc:def:uom:EPSG::9039';

    /**
     * Clarke's yard
     * =3 Clarke's feet.  Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to
     * the international metre.   Used in older Australian, southern African & British West Indian mapping.
     */
    public const EPSG_CLARKES_YARD = 'urn:ogc:def:uom:EPSG::9037';

    /**
     * German legal metre
     * Used in Namibia.
     */
    public const EPSG_GERMAN_LEGAL_METRE = 'urn:ogc:def:uom:EPSG::9031';

    /**
     * Gold Coast foot
     * Used in Ghana and some adjacent parts of British west Africa prior to metrication, except for the metrication of
     * projection defining parameters when British foot (Sears 1922) used.
     */
    public const EPSG_GOLD_COAST_FOOT = 'urn:ogc:def:uom:EPSG::9094';

    /**
     * Indian foot
     * Indian Foot = 0.99999566 British feet (A.R.Clarke 1865).  British yard (= 3 British feet) taken to be
     * J.S.Clark's 1865 value of 0.9144025 metres.
     */
    public const EPSG_INDIAN_FOOT = 'urn:ogc:def:uom:EPSG::9080';

    /**
     * Indian foot (1937)
     * Indian Foot = 0.99999566 British feet (A.R.Clarke 1865).  British foot taken to be 1895 Benoit value of
     * 12/39.370113m.  Rounded to 8 decimal places as 0.30479841. Used from Bangladesh to Vietnam.  Previously used in
     * India and Pakistan but superseded.
     */
    public const EPSG_INDIAN_FOOT_1937 = 'urn:ogc:def:uom:EPSG::9081';

    /**
     * Indian foot (1962)
     * Indian Foot = 0.99999566 British feet (A.R.Clarke 1865).  British yard (3 feet) taken to be J.S. Clark's 1865
     * value of 0.9144025m. Rounded to 7 significant figures with a small error as 1 Ind ft=0.3047996m.  Used in
     * Pakistan since metrication.
     */
    public const EPSG_INDIAN_FOOT_1962 = 'urn:ogc:def:uom:EPSG::9082';

    /**
     * Indian foot (1975)
     * Indian Foot = 0.99999566 British feet (A.R.Clarke 1865).  British yard (3 feet) taken to be J.S. Clark's 1865
     * value of 0.9144025m. Rounded to 7 significant figures as 1 Ind ft=0.3047995m.  Used in India since metrication.
     */
    public const EPSG_INDIAN_FOOT_1975 = 'urn:ogc:def:uom:EPSG::9083';

    /**
     * Indian yard
     * Indian Foot = 0.99999566 British feet (A.R.Clarke 1865).  British yard (= 3 British feet) taken to be
     * J.S.Clark's 1865 value of 0.9144025 metres.
     */
    public const EPSG_INDIAN_YARD = 'urn:ogc:def:uom:EPSG::9084';

    /**
     * Indian yard (1937)
     * Indian Foot = 0.99999566 British feet (A.R.Clarke 1865).  British foot taken to be 1895 Benoit value of
     * 12/39.370113m.  Rounded to 8 decimal places as 0.30479841. Used from Bangladesh to Vietnam.  Previously used in
     * India and Pakistan but superseded.
     */
    public const EPSG_INDIAN_YARD_1937 = 'urn:ogc:def:uom:EPSG::9085';

    /**
     * Indian yard (1962)
     * Indian Foot = 0.99999566 British feet (A.R.Clarke 1865).  British yard (3 feet) taken to be J.S. Clark's 1865
     * value of 0.9144025m. Rounded to 7 significant figures with a small error as 1 Ind ft=0.3047996m.  Used in
     * Pakistan since metrication.
     */
    public const EPSG_INDIAN_YARD_1962 = 'urn:ogc:def:uom:EPSG::9086';

    /**
     * Indian yard (1975)
     * Indian Foot = 0.99999566 British feet (A.R.Clarke 1865).  British yard (3 feet) taken to be J.S. Clark's 1865
     * value of 0.9144025m. Rounded to 7 significant figures as 1 Ind ft=0.3047995m.  Used in India since metrication.
     */
    public const EPSG_INDIAN_YARD_1975 = 'urn:ogc:def:uom:EPSG::9087';

    /**
     * Statute mile
     * =5280 feet.
     */
    public const EPSG_STATUTE_MILE = 'urn:ogc:def:uom:EPSG::9093';

    /**
     * US survey chain
     * Used in USA primarily for public lands cadastral work.
     */
    public const EPSG_US_SURVEY_CHAIN = 'urn:ogc:def:uom:EPSG::9033';

    /**
     * US survey foot
     * Used in USA.
     */
    public const EPSG_US_SURVEY_FOOT = 'urn:ogc:def:uom:EPSG::9003';

    /**
     * US survey link
     * Used in USA primarily for public lands cadastral work.
     */
    public const EPSG_US_SURVEY_LINK = 'urn:ogc:def:uom:EPSG::9034';

    /**
     * US survey mile
     * Used in USA primarily for public lands cadastral work.
     */
    public const EPSG_US_SURVEY_MILE = 'urn:ogc:def:uom:EPSG::9035';

    /**
     * centimetre.
     */
    public const EPSG_CENTIMETRE = 'urn:ogc:def:uom:EPSG::1033';

    /**
     * chain
     * =22 international yards or 66 international feet.
     */
    public const EPSG_CHAIN = 'urn:ogc:def:uom:EPSG::9097';

    /**
     * fathom
     * = 6 feet.
     */
    public const EPSG_FATHOM = 'urn:ogc:def:uom:EPSG::9014';

    /**
     * foot.
     */
    public const EPSG_FOOT = 'urn:ogc:def:uom:EPSG::9002';

    /**
     * kilometre.
     */
    public const EPSG_KILOMETRE = 'urn:ogc:def:uom:EPSG::9036';

    /**
     * link
     * =1/100 international chain.
     */
    public const EPSG_LINK = 'urn:ogc:def:uom:EPSG::9098';

    /**
     * metre
     * SI base unit for length.
     */
    public const EPSG_METRE = 'urn:ogc:def:uom:EPSG::9001';

    /**
     * millimetre.
     */
    public const EPSG_MILLIMETRE = 'urn:ogc:def:uom:EPSG::1025';

    /**
     * nautical mile.
     */
    public const EPSG_NAUTICAL_MILE = 'urn:ogc:def:uom:EPSG::9030';

    /**
     * yard
     * =3 international feet.
     */
    public const EPSG_YARD = 'urn:ogc:def:uom:EPSG::9096';

    protected static array $sridData = [
        'urn:ogc:def:uom:EPSG::1025' => [
            'name' => 'millimetre',
        ],
        'urn:ogc:def:uom:EPSG::1033' => [
            'name' => 'centimetre',
        ],
        'urn:ogc:def:uom:EPSG::9001' => [
            'name' => 'metre',
        ],
        'urn:ogc:def:uom:EPSG::9002' => [
            'name' => 'foot',
        ],
        'urn:ogc:def:uom:EPSG::9003' => [
            'name' => 'US survey foot',
        ],
        'urn:ogc:def:uom:EPSG::9005' => [
            'name' => 'Clarke\'s foot',
        ],
        'urn:ogc:def:uom:EPSG::9014' => [
            'name' => 'fathom',
        ],
        'urn:ogc:def:uom:EPSG::9030' => [
            'name' => 'nautical mile',
        ],
        'urn:ogc:def:uom:EPSG::9031' => [
            'name' => 'German legal metre',
        ],
        'urn:ogc:def:uom:EPSG::9033' => [
            'name' => 'US survey chain',
        ],
        'urn:ogc:def:uom:EPSG::9034' => [
            'name' => 'US survey link',
        ],
        'urn:ogc:def:uom:EPSG::9035' => [
            'name' => 'US survey mile',
        ],
        'urn:ogc:def:uom:EPSG::9036' => [
            'name' => 'kilometre',
        ],
        'urn:ogc:def:uom:EPSG::9037' => [
            'name' => 'Clarke\'s yard',
        ],
        'urn:ogc:def:uom:EPSG::9038' => [
            'name' => 'Clarke\'s chain',
        ],
        'urn:ogc:def:uom:EPSG::9039' => [
            'name' => 'Clarke\'s link',
        ],
        'urn:ogc:def:uom:EPSG::9040' => [
            'name' => 'British yard (Sears 1922)',
        ],
        'urn:ogc:def:uom:EPSG::9041' => [
            'name' => 'British foot (Sears 1922)',
        ],
        'urn:ogc:def:uom:EPSG::9042' => [
            'name' => 'British chain (Sears 1922)',
        ],
        'urn:ogc:def:uom:EPSG::9043' => [
            'name' => 'British link (Sears 1922)',
        ],
        'urn:ogc:def:uom:EPSG::9050' => [
            'name' => 'British yard (Benoit 1895 A)',
        ],
        'urn:ogc:def:uom:EPSG::9051' => [
            'name' => 'British foot (Benoit 1895 A)',
        ],
        'urn:ogc:def:uom:EPSG::9052' => [
            'name' => 'British chain (Benoit 1895 A)',
        ],
        'urn:ogc:def:uom:EPSG::9053' => [
            'name' => 'British link (Benoit 1895 A)',
        ],
        'urn:ogc:def:uom:EPSG::9060' => [
            'name' => 'British yard (Benoit 1895 B)',
        ],
        'urn:ogc:def:uom:EPSG::9061' => [
            'name' => 'British foot (Benoit 1895 B)',
        ],
        'urn:ogc:def:uom:EPSG::9062' => [
            'name' => 'British chain (Benoit 1895 B)',
        ],
        'urn:ogc:def:uom:EPSG::9063' => [
            'name' => 'British link (Benoit 1895 B)',
        ],
        'urn:ogc:def:uom:EPSG::9070' => [
            'name' => 'British foot (1865)',
        ],
        'urn:ogc:def:uom:EPSG::9080' => [
            'name' => 'Indian foot',
        ],
        'urn:ogc:def:uom:EPSG::9081' => [
            'name' => 'Indian foot (1937)',
        ],
        'urn:ogc:def:uom:EPSG::9082' => [
            'name' => 'Indian foot (1962)',
        ],
        'urn:ogc:def:uom:EPSG::9083' => [
            'name' => 'Indian foot (1975)',
        ],
        'urn:ogc:def:uom:EPSG::9084' => [
            'name' => 'Indian yard',
        ],
        'urn:ogc:def:uom:EPSG::9085' => [
            'name' => 'Indian yard (1937)',
        ],
        'urn:ogc:def:uom:EPSG::9086' => [
            'name' => 'Indian yard (1962)',
        ],
        'urn:ogc:def:uom:EPSG::9087' => [
            'name' => 'Indian yard (1975)',
        ],
        'urn:ogc:def:uom:EPSG::9093' => [
            'name' => 'Statute mile',
        ],
        'urn:ogc:def:uom:EPSG::9094' => [
            'name' => 'Gold Coast foot',
        ],
        'urn:ogc:def:uom:EPSG::9095' => [
            'name' => 'British foot (1936)',
        ],
        'urn:ogc:def:uom:EPSG::9096' => [
            'name' => 'yard',
        ],
        'urn:ogc:def:uom:EPSG::9097' => [
            'name' => 'chain',
        ],
        'urn:ogc:def:uom:EPSG::9098' => [
            'name' => 'link',
        ],
        'urn:ogc:def:uom:EPSG::9099' => [
            'name' => 'British yard (Sears 1922 truncated)',
        ],
        'urn:ogc:def:uom:EPSG::9300' => [
            'name' => 'British foot (Sears 1922 truncated)',
        ],
        'urn:ogc:def:uom:EPSG::9301' => [
            'name' => 'British chain (Sears 1922 truncated)',
        ],
        'urn:ogc:def:uom:EPSG::9302' => [
            'name' => 'British link (Sears 1922 truncated)',
        ],
    ];

    abstract public function asMetres(): Metre;

    public function add(self $unit): self
    {
        $resultAsMetres = new Metre($this->asMetres()->getValue() + $unit->asMetres()->getValue());
        $conversionRatio = (new static(1))->asMetres()->getValue();
        $conversionRatio = (/** @scrutinizer ignore-call */ new static(1))->asMetres()->getValue();

        return new static($resultAsMetres->getValue() / $conversionRatio);
    }

    public function subtract(self $unit): self
    {
        $resultAsMetres = new Metre($this->asMetres()->getValue() - $unit->asMetres()->getValue());
        $conversionRatio = (new static(1))->asMetres()->getValue();
        $conversionRatio = (/** @scrutinizer ignore-call */ new static(1))->asMetres()->getValue();

        return new static($resultAsMetres->getValue() / $conversionRatio);
    }

    public function multiply(float $multiplicand): self
    {
        return new static($this->getValue() * $multiplicand);
        return /** @scrutinizer ignore-call */ new static($this->getValue() * $multiplicand);
    }

    public function divide(float $divisor): self
    {
        return new static($this->getValue() / $divisor);
        return /** @scrutinizer ignore-call */ new static($this->getValue() / $divisor);
    }

    public static function makeUnit(float $measurement, string $srid): self
    {
        switch ($srid) {
            case self::EPSG_METRE:
                return new Metre($measurement);
            case self::EPSG_KILOMETRE:
                return new Kilometre($measurement);
            case self::EPSG_CENTIMETRE:
                return new Centimetre($measurement);
            case self::EPSG_MILLIMETRE:
                return new Millimetre($measurement);
            case self::EPSG_NAUTICAL_MILE:
                return new NauticalMile($measurement);
            case self::EPSG_FOOT:
                return new Foot($measurement);
            case self::EPSG_YARD:
                return new Yard($measurement);
            case self::EPSG_CHAIN:
                return new Chain($measurement);
            case self::EPSG_LINK:
                return new Link($measurement);
            case self::EPSG_STATUTE_MILE:
                return new StatuteMile($measurement);
            case self::EPSG_FATHOM:
                return new Fathom($measurement);
            case self::EPSG_BRITISH_FOOT_1865:
                return new BritishFoot1865($measurement);
            case self::EPSG_BRITISH_FOOT_BENOIT_1895_A:
                return new BritishFoot1895BenoitA($measurement);
            case self::EPSG_BRITISH_YARD_BENOIT_1895_A:
                return new BritishYard1895BenoitA($measurement);
            case self::EPSG_BRITISH_CHAIN_BENOIT_1895_A:
                return new BritishChain1895BenoitA($measurement);
            case self::EPSG_BRITISH_LINK_BENOIT_1895_A:
                return new BritishLink1895BenoitA($measurement);
            case self::EPSG_BRITISH_FOOT_BENOIT_1895_B:
                return new BritishFoot1895BenoitB($measurement);
            case self::EPSG_BRITISH_YARD_BENOIT_1895_B:
                return new BritishYard1895BenoitB($measurement);
            case self::EPSG_BRITISH_CHAIN_BENOIT_1895_B:
                return new BritishChain1895BenoitB($measurement);
            case self::EPSG_BRITISH_LINK_BENOIT_1895_B:
                return new BritishLink1895BenoitB($measurement);
            case self::EPSG_BRITISH_FOOT_SEARS_1922:
                return new BritishFoot1922Sears($measurement);
            case self::EPSG_BRITISH_YARD_SEARS_1922:
                return new BritishYard1922Sears($measurement);
            case self::EPSG_BRITISH_CHAIN_SEARS_1922:
                return new BritishChain1922Sears($measurement);
            case self::EPSG_BRITISH_LINK_SEARS_1922:
                return new BritishLink1922Sears($measurement);
            case self::EPSG_BRITISH_FOOT_SEARS_1922_TRUNCATED:
                return new BritishFoot1922SearsTruncated($measurement);
            case self::EPSG_BRITISH_YARD_SEARS_1922_TRUNCATED:
                return new BritishYard1922SearsTruncated($measurement);
            case self::EPSG_BRITISH_CHAIN_SEARS_1922_TRUNCATED:
                return new BritishChain1922SearsTruncated($measurement);
            case self::EPSG_BRITISH_LINK_SEARS_1922_TRUNCATED:
                return new BritishLink1922SearsTruncated($measurement);
            case self::EPSG_BRITISH_FOOT_1936:
                return new BritishFoot1936($measurement);
            case self::EPSG_US_SURVEY_FOOT:
                return new USSurveyFoot($measurement);
            case self::EPSG_US_SURVEY_CHAIN:
                return new USSurveyChain($measurement);
            case self::EPSG_US_SURVEY_LINK:
                return new USSurveyLink($measurement);
            case self::EPSG_US_SURVEY_MILE:
                return new USSurveyMile($measurement);
            case self::EPSG_CLARKES_FOOT:
                return new ClarkeFoot($measurement);
            case self::EPSG_CLARKES_YARD:
                return new ClarkeYard($measurement);
            case self::EPSG_CLARKES_CHAIN:
                return new ClarkeChain($measurement);
            case self::EPSG_CLARKES_LINK:
                return new ClarkeLink($measurement);
            case self::EPSG_INDIAN_FOOT:
                return new IndianFoot($measurement);
            case self::EPSG_INDIAN_YARD:
                return new IndianYard($measurement);
            case self::EPSG_INDIAN_FOOT_1937:
                return new IndianFoot1937($measurement);
            case self::EPSG_INDIAN_YARD_1937:
                return new IndianYard1937($measurement);
            case self::EPSG_INDIAN_FOOT_1962:
                return new IndianFoot1962($measurement);
            case self::EPSG_INDIAN_YARD_1962:
                return new IndianYard1962($measurement);
            case self::EPSG_INDIAN_FOOT_1975:
                return new IndianFoot1975($measurement);
            case self::EPSG_INDIAN_YARD_1975:
                return new IndianYard1975($measurement);
            case self::EPSG_GOLD_COAST_FOOT:
                return new GoldCoastFoot($measurement);
            case self::EPSG_GERMAN_LEGAL_METRE:
                return new GermanLegalMetre($measurement);
        }

        throw new UnknownUnitOfMeasureException($srid);
    }

    public static function getSupportedSRIDs(): array
    {
        return array_map(function ($sridData) {return $sridData['name']; }, static::$sridData);
    }

    public static function convert(self $length, string $targetSRID): self
    {
        $conversionRatio = static::makeUnit(1, $targetSRID)->asMetres()->getValue();

        return self::makeUnit($length->asMetres()->getValue() / $conversionRatio, $targetSRID);
    }

    public function __toString(): string
    {
        return (string) $this->getValue();
    }
}

dvdoug / PHPCoord

Push — 4.x ( e9b635...bc20e1 )

Length::makeUnit() D

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