Length::makeUnit() - Code Metrics - Inspection of "Backport UnitOfMeasure tweaks from v5" - dvdoug/PHPCoord - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — 4.x ( 2e43a7...18aaa8 )

by Doug

created 2024-01-26 22:39 UTC

Length::makeUnit() D

↳ Parent: Length

Complexity

Conditions	21
Paths	21

Size

Total Lines	46
Code Lines	42

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	29
CRAP Score	34.0743

Importance

Changes

Metric	Value
cc	21
eloc	42
nc	21
nop	2
dl	0
loc	46
ccs	29
cts	42
cp	0.6905
crap	34.0743
rs	4.1666
c	0
b	0
f	0

How to fix Complexity

<?php

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

namespace PHPCoord\UnitOfMeasure\Length;

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

use function array_map;

abstract class Length implements UnitOfMeasure
{
    /**
     * 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 (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 (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 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 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 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';

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

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

    /**
     * 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';

    /**
     * @var array<string, array{name: string, fqcn?: class-string<self>, help: string}>

     */
    protected static array $sridData = [
        'urn:ogc:def:uom:EPSG::1025' => [
            'name' => 'millimetre',
            'help' => '',
        ],
        'urn:ogc:def:uom:EPSG::1033' => [
            'name' => 'centimetre',
            'help' => '',
        ],
        'urn:ogc:def:uom:EPSG::9001' => [
            'name' => 'metre',
            'help' => 'SI base unit for length.',
        ],
        'urn:ogc:def:uom:EPSG::9002' => [
            'name' => 'foot',
            'help' => '',
        ],
        'urn:ogc:def:uom:EPSG::9003' => [
            'name' => 'US survey foot',
            'help' => 'Used in USA.',
        ],
        'urn:ogc:def:uom:EPSG::9005' => [
            'name' => 'Clarke\'s foot',
            'help' => '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.',
        ],
        'urn:ogc:def:uom:EPSG::9031' => [
            'name' => 'German legal metre',
            'help' => 'Used in Namibia.',
        ],
        'urn:ogc:def:uom:EPSG::9036' => [
            'name' => 'kilometre',
            'help' => '',
        ],
        'urn:ogc:def:uom:EPSG::9037' => [
            'name' => 'Clarke\'s yard',
            'help' => '=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.',
        ],
        'urn:ogc:def:uom:EPSG::9039' => [
            'name' => 'Clarke\'s link',
            'help' => '=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.',
        ],
        'urn:ogc:def:uom:EPSG::9040' => [
            'name' => 'British yard (Sears 1922)',
            'help' => '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.',
        ],
        'urn:ogc:def:uom:EPSG::9041' => [
            'name' => 'British foot (Sears 1922)',
            'help' => '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.',
        ],
        'urn:ogc:def:uom:EPSG::9042' => [
            'name' => 'British chain (Sears 1922)',
            'help' => '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.',
        ],
        'urn:ogc:def:uom:EPSG::9062' => [
            'name' => 'British chain (Benoit 1895 B)',
            'help' => 'Uses Benoit\'s 1895 British yard-metre ratio as given by Bomford as 39.370113 inches per metre.  Used in West Malaysian mapping.',
        ],
        'urn:ogc:def:uom:EPSG::9080' => [
            'name' => 'Indian foot',
            'help' => '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.',
        ],
        'urn:ogc:def:uom:EPSG::9084' => [
            'name' => 'Indian yard',
            'help' => '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.',
        ],
        'urn:ogc:def:uom:EPSG::9094' => [
            'name' => 'Gold Coast foot',
            'help' => '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.',
        ],
        'urn:ogc:def:uom:EPSG::9095' => [
            'name' => 'British foot (1936)',
            'help' => '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.',
        ],
        'urn:ogc:def:uom:EPSG::9098' => [
            'name' => 'link',
            'help' => '=1/100 international chain.',
        ],
        'urn:ogc:def:uom:EPSG::9301' => [
            'name' => 'British chain (Sears 1922 truncated)',
            'help' => '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.',
        ],
    ];

    abstract public function __construct(float $length);

    abstract public function asMetres(): Metre;

    public function add(self $unit): self
    {
        if ($this::class === $unit::class) {
            return new static($this->getValue() + $unit->getValue());
        }
        $resultAsMetres = new Metre($this->asMetres()->getValue() + $unit->asMetres()->getValue());
        $conversionRatio = (new static(1))->asMetres()->getValue();

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

    public function subtract(self $unit): self
    {
        if ($this::class === $unit::class) {
            return new static($this->getValue() - $unit->getValue());
        }
        $resultAsMetres = new Metre($this->asMetres()->getValue() - $unit->asMetres()->getValue());
        $conversionRatio = (new static(1))->asMetres()->getValue();

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

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

    public function divide(float $divisor): self
    {
        return new static($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_FOOT:
                return new Foot($measurement);
            case self::EPSG_LINK:
                return new Link($measurement);
            case self::EPSG_BRITISH_CHAIN_BENOIT_1895_B:
                return new BritishChain1895BenoitB($measurement);
            case self::EPSG_BRITISH_FOOT_SEARS_1922:
                return new BritishFoot1922Sears($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_CHAIN_SEARS_1922_TRUNCATED:
                return new BritishChain1922SearsTruncated($measurement);
            case self::EPSG_BRITISH_FOOT_1936:
                return new BritishFoot1936($measurement);
            case self::EPSG_US_SURVEY_FOOT:
                return new USSurveyFoot($measurement);
            case self::EPSG_CLARKES_FOOT:
                return new ClarkeFoot($measurement);
            case self::EPSG_CLARKES_YARD:
                return new ClarkeYard($measurement);
            case self::EPSG_CLARKES_LINK:
                return new ClarkeLink($measurement);
            case self::EPSG_INDIAN_FOOT:
                return new IndianFoot($measurement);
            case self::EPSG_INDIAN_YARD:
                return new IndianYard($measurement);
            case self::EPSG_GOLD_COAST_FOOT:
                return new GoldCoastFoot($measurement);
            case self::EPSG_GERMAN_LEGAL_METRE:
                return new GermanLegalMetre($measurement);
        }

        throw new UnknownUnitOfMeasureException($srid);
    }

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

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

    /**
     * @return array<string, string>
     */
    public static function getSupportedSRIDs(): array
    {
        return array_map(fn ($supportedSrid) => $supportedSrid['name'], self::$sridData);
    }

    /**
     * @return array<string, array{name: string, help: string}>
     */
    public static function getSupportedSRIDsWithHelp(): array
    {
        return array_map(fn (array $data) => [
            'name' => $data['name'],
            'help' => $data['help'],
        ], static::$sridData);
    }

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


1		<?php
2
3		/**
4		* PHPCoord.
5		*
6		* @author Doug Wright
7		*/
8		declare(strict_types=1);
9
10		namespace PHPCoord\UnitOfMeasure\Length;
11
12		use PHPCoord\Exception\UnknownUnitOfMeasureException;
13		use PHPCoord\UnitOfMeasure\UnitOfMeasure;
14
15		use function array_map;
16
17		abstract class Length implements UnitOfMeasure
18		{
19		/**
20		* British chain (Benoit 1895 B)
21		* Uses Benoit's 1895 British yard-metre ratio as given by Bomford as 39.370113 inches per metre. Used in West
22		* Malaysian mapping.
23		*/
24		public const EPSG_BRITISH_CHAIN_BENOIT_1895_B = 'urn:ogc:def:uom:EPSG::9062';
25
26		/**
27		* British chain (Sears 1922 truncated)
28		* Uses Sear's 1922 British yard-metre ratio (UoM code 9040) truncated to 6 significant figures; this truncated
29		* ratio (0.914398, UoM code 9099) then converted to other imperial units. 1 chSe(T) = 22 ydSe(T). Used in
30		* metrication of Malaya RSO grid.
31		*/
32		public const EPSG_BRITISH_CHAIN_SEARS_1922_TRUNCATED = 'urn:ogc:def:uom:EPSG::9301';
33
34		/**
35		* British chain (Sears 1922)
36		* Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre. Used in East
37		* Malaysian and older New Zealand mapping.
38		*/
39		public const EPSG_BRITISH_CHAIN_SEARS_1922 = 'urn:ogc:def:uom:EPSG::9042';
40
41		/**
42		* British foot (1936)
43		* For the 1936 retriangulation OSGB defines the relationship of 10 feet of 1796 to the International metre through
44		* the logarithmic relationship (10^0.48401603 exactly). 1 ft = 0.3048007491…m. Also used for metric conversions
45		* in Ireland.
46		*/
47		public const EPSG_BRITISH_FOOT_1936 = 'urn:ogc:def:uom:EPSG::9095';
48
49		/**
50		* British foot (Sears 1922)
51		* Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre. Used in East
52		* Malaysian and older New Zealand mapping.
53		*/
54		public const EPSG_BRITISH_FOOT_SEARS_1922 = 'urn:ogc:def:uom:EPSG::9041';
55
56		/**
57		* British yard (Sears 1922)
58		* Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre. Used in East
59		* Malaysian and older New Zealand mapping.
60		*/
61		public const EPSG_BRITISH_YARD_SEARS_1922 = 'urn:ogc:def:uom:EPSG::9040';
62
63		/**
64		* Clarke's foot
65		* Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to the international
66		* metre. Used in older Australian, southern African & British West Indian mapping.
67		*/
68		public const EPSG_CLARKES_FOOT = 'urn:ogc:def:uom:EPSG::9005';
69
70		/**
71		* Clarke's link
72		* =1/100 Clarke's chain. Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies
73		* to the international metre. Used in older Australian, southern African & British West Indian mapping.
74		*/
75		public const EPSG_CLARKES_LINK = 'urn:ogc:def:uom:EPSG::9039';
76
77		/**
78		* Clarke's yard
79		* =3 Clarke's feet. Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to
80		* the international metre. Used in older Australian, southern African & British West Indian mapping.
81		*/
82		public const EPSG_CLARKES_YARD = 'urn:ogc:def:uom:EPSG::9037';
83
84		/**
85		* German legal metre
86		* Used in Namibia.
87		*/
88		public const EPSG_GERMAN_LEGAL_METRE = 'urn:ogc:def:uom:EPSG::9031';
89
90		/**
91		* Gold Coast foot
92		* Used in Ghana and some adjacent parts of British west Africa prior to metrication, except for the metrication of
93		* projection defining parameters when British foot (Sears 1922) used.
94		*/
95		public const EPSG_GOLD_COAST_FOOT = 'urn:ogc:def:uom:EPSG::9094';
96
97		/**
98		* Indian foot
99		* Indian Foot = 0.99999566 British feet (A.R.Clarke 1865). British yard (= 3 British feet) taken to be
100		* J.S.Clark's 1865 value of 0.9144025 metres.
101		*/
102		public const EPSG_INDIAN_FOOT = 'urn:ogc:def:uom:EPSG::9080';
103
104		/**
105		* Indian yard
106		* Indian Foot = 0.99999566 British feet (A.R.Clarke 1865). British yard (= 3 British feet) taken to be
107		* J.S.Clark's 1865 value of 0.9144025 metres.
108		*/
109		public const EPSG_INDIAN_YARD = 'urn:ogc:def:uom:EPSG::9084';
110
111		/**
112		* US survey foot
113		* Used in USA.
114		*/
115		public const EPSG_US_SURVEY_FOOT = 'urn:ogc:def:uom:EPSG::9003';
116
117		/**
118		* Centimetre.
119		*/
120		public const EPSG_CENTIMETRE = 'urn:ogc:def:uom:EPSG::1033';
121
122		/**
123		* Foot.
124		*/
125		public const EPSG_FOOT = 'urn:ogc:def:uom:EPSG::9002';
126
127		/**
128		* Kilometre.
129		*/
130		public const EPSG_KILOMETRE = 'urn:ogc:def:uom:EPSG::9036';
131
132		/**
133		* Link
134		* =1/100 international chain.
135		*/
136		public const EPSG_LINK = 'urn:ogc:def:uom:EPSG::9098';
137
138		/**
139		* Metre
140		* SI base unit for length.
141		*/
142		public const EPSG_METRE = 'urn:ogc:def:uom:EPSG::9001';
143
144		/**
145		* Millimetre.
146		*/
147		public const EPSG_MILLIMETRE = 'urn:ogc:def:uom:EPSG::1025';
148
149		/**
150		* @var array<string, array{name: string, fqcn?: class-string<self>, help: string}>
		0 ignored issues – show Documentation Bug introduced 2023-05-13 21:47 UTC by Report Bug Copy Issue Report The doc comment `array<string, array{name...g<self>, help: string}>` at position `12` could not be parsed: Unknown type name 'class-string' at position 12 in array<string, array{name: string, fqcn?: class-string<self>, help: string}>. Loading history...
151		*/
152		protected static array $sridData = [
153		'urn:ogc:def:uom:EPSG::1025' => [
154		'name' => 'millimetre',
155		'help' => '',
156		],
157		'urn:ogc:def:uom:EPSG::1033' => [
158		'name' => 'centimetre',
159		'help' => '',
160		],
161		'urn:ogc:def:uom:EPSG::9001' => [
162		'name' => 'metre',
163		'help' => 'SI base unit for length.',
164		],
165		'urn:ogc:def:uom:EPSG::9002' => [
166		'name' => 'foot',
167		'help' => '',
168		],
169		'urn:ogc:def:uom:EPSG::9003' => [
170		'name' => 'US survey foot',
171		'help' => 'Used in USA.',
172		],
173		'urn:ogc:def:uom:EPSG::9005' => [
174		'name' => 'Clarke\'s foot',
175		'help' => '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.',
176		],
177		'urn:ogc:def:uom:EPSG::9031' => [
178		'name' => 'German legal metre',
179		'help' => 'Used in Namibia.',
180		],
181		'urn:ogc:def:uom:EPSG::9036' => [
182		'name' => 'kilometre',
183		'help' => '',
184		],
185		'urn:ogc:def:uom:EPSG::9037' => [
186		'name' => 'Clarke\'s yard',
187		'help' => '=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.',
188		],
189		'urn:ogc:def:uom:EPSG::9039' => [
190		'name' => 'Clarke\'s link',
191		'help' => '=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.',
192		],
193		'urn:ogc:def:uom:EPSG::9040' => [
194		'name' => 'British yard (Sears 1922)',
195		'help' => '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.',
196		],
197		'urn:ogc:def:uom:EPSG::9041' => [
198		'name' => 'British foot (Sears 1922)',
199		'help' => '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.',
200		],
201		'urn:ogc:def:uom:EPSG::9042' => [
202		'name' => 'British chain (Sears 1922)',
203		'help' => '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.',
204		],
205		'urn:ogc:def:uom:EPSG::9062' => [
206		'name' => 'British chain (Benoit 1895 B)',
207		'help' => 'Uses Benoit\'s 1895 British yard-metre ratio as given by Bomford as 39.370113 inches per metre. Used in West Malaysian mapping.',
208		],
209		'urn:ogc:def:uom:EPSG::9080' => [
210		'name' => 'Indian foot',
211		'help' => '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.',
212		],
213		'urn:ogc:def:uom:EPSG::9084' => [
214		'name' => 'Indian yard',
215		'help' => '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.',
216		],
217		'urn:ogc:def:uom:EPSG::9094' => [
218		'name' => 'Gold Coast foot',
219		'help' => '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.',
220		],
221		'urn:ogc:def:uom:EPSG::9095' => [
222		'name' => 'British foot (1936)',
223		'help' => '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.',
224		],
225		'urn:ogc:def:uom:EPSG::9098' => [
226		'name' => 'link',
227		'help' => '=1/100 international chain.',
228		],
229		'urn:ogc:def:uom:EPSG::9301' => [
230		'name' => 'British chain (Sears 1922 truncated)',
231		'help' => '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.',
232		],
233		];
234
235		abstract public function __construct(float $length);
236
237		abstract public function asMetres(): Metre;
238
239	319	public function add(self $unit): self
240		{
241	319	if ($this::class === $unit::class) {
242	319	return new static($this->getValue() + $unit->getValue());
243		}
244		$resultAsMetres = new Metre($this->asMetres()->getValue() + $unit->asMetres()->getValue());
245		$conversionRatio = (new static(1))->asMetres()->getValue();
246
247		return new static($resultAsMetres->getValue() / $conversionRatio);
248		}
249
250	212	public function subtract(self $unit): self
251		{
252	212	if ($this::class === $unit::class) {
253	212	return new static($this->getValue() - $unit->getValue());
254		}
255		$resultAsMetres = new Metre($this->asMetres()->getValue() - $unit->asMetres()->getValue());
256		$conversionRatio = (new static(1))->asMetres()->getValue();
257
258		return new static($resultAsMetres->getValue() / $conversionRatio);
259		}
260
261	1544	public function multiply(float $multiplicand): self
262		{
263	1544	return new static($this->getValue() * $multiplicand);
264		}
265
266	225	public function divide(float $divisor): self
267		{
268	225	return new static($this->getValue() / $divisor);
269		}
270
271	560	public static function makeUnit(float $measurement, string $srid): self
272		{
273		switch ($srid) {
274	560	case self::EPSG_METRE:
275	398	return new Metre($measurement);
276	180	case self::EPSG_KILOMETRE:
277		return new Kilometre($measurement);
278	180	case self::EPSG_CENTIMETRE:
279		return new Centimetre($measurement);
280	180	case self::EPSG_MILLIMETRE:
281		return new Millimetre($measurement);
282	180	case self::EPSG_FOOT:
283	9	return new Foot($measurement);
284	180	case self::EPSG_LINK:
285	27	return new Link($measurement);
286	153	case self::EPSG_BRITISH_CHAIN_BENOIT_1895_B:
287		return new BritishChain1895BenoitB($measurement);
288	153	case self::EPSG_BRITISH_FOOT_SEARS_1922:
289		return new BritishFoot1922Sears($measurement);
290	153	case self::EPSG_BRITISH_YARD_SEARS_1922:
291		return new BritishYard1922Sears($measurement);
292	153	case self::EPSG_BRITISH_CHAIN_SEARS_1922:
293		return new BritishChain1922Sears($measurement);
294	153	case self::EPSG_BRITISH_CHAIN_SEARS_1922_TRUNCATED:
295		return new BritishChain1922SearsTruncated($measurement);
296	153	case self::EPSG_BRITISH_FOOT_1936:
297	9	return new BritishFoot1936($measurement);
298	144	case self::EPSG_US_SURVEY_FOOT:
299	99	return new USSurveyFoot($measurement);
300	45	case self::EPSG_CLARKES_FOOT:
301	27	return new ClarkeFoot($measurement);
302	27	case self::EPSG_CLARKES_YARD:
303		return new ClarkeYard($measurement);
304	27	case self::EPSG_CLARKES_LINK:
305	18	return new ClarkeLink($measurement);
306	9	case self::EPSG_INDIAN_FOOT:
307		return new IndianFoot($measurement);
308	9	case self::EPSG_INDIAN_YARD:
309		return new IndianYard($measurement);
310	9	case self::EPSG_GOLD_COAST_FOOT:
311		return new GoldCoastFoot($measurement);
312	9	case self::EPSG_GERMAN_LEGAL_METRE:
313		return new GermanLegalMetre($measurement);
314		}
315
316	9	throw new UnknownUnitOfMeasureException($srid);
317		}
318
319	225	public static function convert(self $length, string $targetSRID): self
320		{
321	225	$conversionRatio = static::makeUnit(1, $targetSRID)->asMetres()->getValue();
322
323	225	return self::makeUnit($length->asMetres()->getValue() / $conversionRatio, $targetSRID);
324		}
325
326		/**
327		* @return array<string, string>
328		*/
329	27	public static function getSupportedSRIDs(): array
330		{
331	27	return array_map(fn ($supportedSrid) => $supportedSrid['name'], self::$sridData);
332		}
333
334		/**
335		* @return array<string, array{name: string, help: string}>
336		*/
337	9	public static function getSupportedSRIDsWithHelp(): array
338		{
339	9	return array_map(fn (array $data) => [
340	9	'name' => $data['name'],
341	9	'help' => $data['help'],
342	9	], static::$sridData);
343		}
344
345	225	public function __toString(): string
346		{
347	225	return (string) $this->getValue();
348		}
349		}
350

dvdoug / PHPCoord

Push — 4.x ( 2e43a7...18aaa8 )

Length::makeUnit() D

Complexity

Size

Duplication

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