File:Metrication by year map.svg

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English: World Map, colour-coded to show the years the countries started of the process of official conversion to the metric system. Using data from PhD thesis by Hector Vera^[1] and NIST^[2]. Magenta is preliminary 1795, and cyan is 1998; black is for countries having not adopted metric system yet, and grey is for countries with no data on their adoption year. The data used by this map can be viewed by pressing the "Edit" tab and viewing the underlying code.

↑ Vera, Hector (2011-09) The Social Life of Measures: Metrication in the United States and Mexico, 1789–2004 (PhD dissertation)^[1], Sociology and Historical Studies, New School for Social Research, pages 51, 494–497
↑ (20 Maju 1975) The International Bureau of Weights and Measures 1875–1975: NBS Special Publication 420, Washington, D.C.: National Bureau of Standards, p. 244

Data

18 Martzu 2009

Mitza

BlankMap-World.svg by various authors

Autore

Authors of BlankMap-World.svg

Àteras versiones

Metric system uptake for statutory purposes (SVG files)
English: By degree. Data from the English Wikipedia Metrication article, the Law of Weights and Measures of the Commonwealth of Puerto Rico, the Weights & Measures law of Guam and a June 2019 article by Katharina Buchholz on the Statista statistics portal.
English: By degree.
Data from Vera's PhD thesis on metrication in the United States and Mexico (2011).
English: By date.
Data source not recorded.
English: By date.
Data from NIST (1975) and Vera's PhD thesis on metrication in the United States and Mexico (2011).
English: By system.
Data from Statistica, ANSI, en:Metric Conversion Act, en:Metrication in the United States.

Metric system uptake for statutory purposes (PNG files)
English: By date.
Data from USMA (U.S. Metric Association).

SVG genesis

The SVG code is valid.

This world map was created with Inkscape, and then manually edited

.

This world map uses embedded text.

This image is expected to always be the most recent one. Feel free to update it when needed.

This file may be updated to reflect new information.
If you wish to use a specific version of the file without new updates being mirrored, please upload the required version as a separate file.

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English ∙ British English ∙ Español ∙ français ∙ македонски ∙ português do Brasil ∙ русский ∙ українська ∙ 中文（简体） ∙ 中文（繁體 ∙ +/−

This map should always be accompanied by suitable text for the benefit of readers who suffer from red–green colour-blindness. Suitable text can be extracted from the perl code below

This file is saved in human-editable plain text format. Any editing of the image or creation of any derivative work should be performed using a text editor. Please do not upload edits saved or exported with Inkscape or similar vector graphics editors, as well as with automated tools such as SVG Translate.

Source code

SVG code

#!/usr/bin/perl -w


use v5.12;
use Data::Dumper;
use strict;
use warnings;

use Graphics::ColorObject;
use Math::Trig;
use SVG::Parser;
use CSS;

use constant DATE_MIN => 1795;
use constant DATE_MAX => 2000;
use constant HUE_START => -60;
use constant HUE_LENGTH => 240;
use constant SATURATION => 0.7;
use constant LIGHTNESS => 0.6;
use constant LEGEND_XLABEL_SIZE => 60;
use constant LEGEND_XPOS => 245;
use constant LEGEND_YPOS => 1250;
use constant LEGEND_XOFF => 100;
use constant LEGEND_YOFF => 50;
use constant LEGEND_WIDTH => 2752.766;
use constant LEGEND_HEIGHT => 250;

my $dates = {
        '1795' => [ 'fr' ],
        '1816' => [ 'nl', 'be', 'lu' ],
        '1840' => [ 'sn', 'dz' ],
        '1849' => [ 'es' ],
        '1852' => [ 'pt' ],
        '1853' => [ 'co', 'mc' ],
        '1857' => [ 'mx', 've' ],
        '1858' => [ 'cu' ],
        '1861' => [ 'it' ],
        '1862' => [ 'pe', 'uy', 'br' ],
        '1864' => [ 'ro' ],                 
        '1865' => [ 'ec', 'cl' ],
        '1867' => [ 'do' ],
        '1868' => [ 'de' , 'bo' ],
        '1869' => [ 'tr' ],
        '1871' => [ 'sr', 'at', 'cz', 'sk', 'hr', 'li', 'si', 'me' ],  
        '1873' => [ 'rs' ],    
        '1874' => [ 'hu', 'se' ],
        '1875' => [ 'ch' ],
        '1876' => [ 'mu' ],
        '1877' => [ 'ar' ],
        '1878' => [ 'ba', 'sc' ],
        '1881' => [ 'cr' ],
        '1882' => [ 'no' ],
        '1884' => [ 'cg', 'ci', 'bj', 'mr', 'ne', 'td' ],
        '1885' => [ 'sv' ],
        '1886' => [ 'fi' ],
        '1888' => [ 'bg', 'mk' ],
        '1891' => [ 'st' ],
        '1893' => [ 'tn', 'ni' ],
        '1895' => [ 'hn' ],
        '1898' => [ 'dj' ],
        '1899' => [ 'py', 'pr' ],
        '1900' => [ 'gq', 'is' ],
        '1901' => [ 'gn' ],   
        '1905' => [ 'mz', 'ao' , 'gw', 'cv' ],  
        '1906' => [ 'ph' ],
        '1907' => [ 'dk', 'sm', 'gl', 'fo' ],    # GL and FO as part of DK
        '1910' => [ 'gt', 'mt', 'bz', 'bi', 'rw', 'cd' ],  
        '1911' => [ 'vn' ],
        '1912' => [ 'th' ],
        '1913' => [ 'cnx' ],    
        '1914' => [ 'km' ],
        '1915' => [ 'pa' ], 
        '1916' => [ 'mn' ],    
        '1918' => [ 'ru' ],
        '1919' => [ 'pl' ],
        '1920' => [ 'ht' ],
        '1922' => [ 'kh', 'ma', 'eh', 'kz', 'kg', 'tj', 'tm', 'uz', 'am', 'az', 'by', 'ee', 'ge', 'lv', 'lt', 'md', 'ua' ],
        '1923' => [ 'ly', 'id', 'af' ],
        '1924' => [ 'tg' ],
        '1927' => [ 'ir' ],
        '1930' => [ 'iq' ],
        '1934' => [ 'sy', 'ad', 'lb' ],
        '1947' => [ 'il' ],
        '1948' => [ 'kp', 'al' ],
        '1949' => [ 'kr' ], 
        '1951' => [ 'eg', 'bt', 'jp' ],
        '1952' => [ 'jo', 'tw' ], 
        '1954' => [ 'sd', 'ss', 'in' ],         # SS was part of SD
        '1957' => [ 'gr', 'mo', 'tl', 'mg' ],
        '1959' => [ 'mv' ],        
        '1960' => [ 'so', 'ga', 'bf', 'ml', 'cf' ],        
        '1961' => [ 'kw', 'cm', 'ae' ],
        '1962' => [ 'et', 'er', 'ng' ],
        '1963' => [ 'np', 'la' ],  
        '1964' => [ 'sa' ],
        '1965' => [ 'gb' ],
        '1967' => [ 'na', 'ie', 'za', 'ke', 'ug', 'tz',  'pk' ],       # NA was part of ZA
        '1968' => [ 'sg'], 
        '1969' => [ 'au', 'nz', 'bs', 'zw', 'bw', 'sz', 'bh', 'gd', 'dm', 'vc', 'kn' ],
        '1970' => [ 'ca', 'lk', 'tt', 'zm', 'ls', 'pg', 'sb' ],
        '1971' => [ 'bm', 'gy', 'my'],        # BM is grouped with GY and MY on the NIST list on p.244
        '1972' => [ 'gh', 'cy', 'fj', 'qa' ],
        '1973' => [ 'bb', 'jm', 'nr' ],
        '1974' => [ 'om', 'ag' ], 
        '1975' => [ 'to' ],
        '1976' => [ 'sl', 'mw', 'gm'], 
        '1978' => [ 'tv' ],
        '1981' => [ 'ye' ],
        '1982' => [ 'bd' ],
        '1984' => [ 'ki' ],
        '1985' => [ 'bn' ],
        '1988' => [ 'vu' ],
        '2000' => [ 'lc' ]
};
my $css = new CSS( { 'parser' => 'CSS::Parse::Lite', 'adaptor' => 'CSS::Adaptor::Pretty' } ); 

my $svg=SVG::Parser->new()->parsefile($ARGV[0]);
my $css_container = $svg->getElementbyID('style_css_sheet');
my $css_data = $css_container->{-cdata};
$css_data =~ s!/\*.*?\*\/!!gs;
$css->read_string( $css_data );
my $hue_start = deg2rad(HUE_START);
my $hue_length = deg2rad(HUE_LENGTH, 1);
foreach my $date( sort keys %$dates ) {
	my $hue = $hue_start + (1-(DATE_MAX - $date)/(DATE_MAX - DATE_MIN)) * $hue_length;
	$css->read_string( sprintf 
		"%s {\n\tfill: #%s;\n}\n",
		join (', ', map { ".$_" } @{$dates->{$date{{),
		Graphics::ColorObject->new_HSL([rad2deg($hue), SATURATION, LIGHTNESS])->as_RGBhex()
	);
}
$css->read_string( ".us, .mm, .lr { fill: #333333 } " );

# say($css->output());
$css->get_style_by_selector( '.landxx' )->get_property_by_name( 'stroke' )->{values} = [new CSS::Value({value => 'black'})];
$css->get_style_by_selector( '.landxx' )->get_property_by_name( 'fill' )->{values} = [new CSS::Value({value => '#FFFFD0'})];
# $css->get_style_by_selector( '.lake' )->get_property_by_name( 'stroke' )->{values} = [new CSS::Value({value => '#1821DE'})];
$css->get_style_by_selector( '.oceanxx' )->get_property_by_name( 'fill' )->{values} = [new CSS::Value({value => '#9ec7f3'})];
my $coastxx = $css->get_style_by_selector( '.coastxx' );
$coastxx->add_property( new CSS::Property( { property => 'stroke', value => '#1821DE' } ) );
$coastxx->add_property( new CSS::Property( { property => 'stroke-opacity', value => '1.0' } ) );
$coastxx->add_property( new CSS::Property( { property => 'stroke-width', value => '0.5' } ) );
my $legend = $svg->group( 
	id => 'legend',
	transform => 'translate('.LEGEND_XPOS.','.LEGEND_YPOS.') scale(0.8)'
);
my $gradient = $legend->gradient(
	-type => "linear",
	id    => "legend_gradient"
);
my $legend_box = $legend->rectangle(
	x     => 0, y      => 0,
	width => LEGEND_WIDTH, height => LEGEND_HEIGHT,
	rx    => 10, ry     => 10,
	id    => 'legend_box'
);

my $gradbox = $legend->rectangle(
	x     => LEGEND_XOFF, y      => LEGEND_YOFF,
	width => LEGEND_WIDTH - LEGEND_XOFF * 2, height => 100,
	id    => 'legend_grad'
);

{
	my $span = scalar keys %$dates;
	my $counter = 0;
	foreach my $date( sort keys %$dates ) {
		my $hue = $hue_start + (1-(DATE_MAX - $date)/(DATE_MAX - DATE_MIN)) * $hue_length;
		$gradient->stop(
			offset => sprintf( "%d%%", $counter / $span * 100 ),
			'stop-color' => '#'.Graphics::ColorObject->new_HSL([rad2deg($hue), SATURATION, LIGHTNESS])->as_RGBhex(),
		);
		++$counter;
	}
	my $datespan = DATE_MAX - DATE_MIN;
	foreach my $id(0..10) {
		my $xpos = LEGEND_XOFF + $id / 10 * (LEGEND_WIDTH - LEGEND_XOFF * 2);
		$legend->line(
			x1 => $xpos - 2,
			x2 => $xpos - 2,
			y1 => LEGEND_YOFF,
			y2 => 170,
			'stroke-width' => '4',
		);
		$legend->text( 
			x =>  $xpos - LEGEND_XLABEL_SIZE,
			y => 220,
			fill => 'black',
			'font-family' => 'sans-serif',
			'fill-opacity' => 1,
			'font-size' => LEGEND_XLABEL_SIZE,
			'stroke' => 'none',
		)->cdata(DATE_MIN + int($id/10 * $datespan) );
	}
}


$css->read_string( "#legend { fill: #d0d0d0; fill-opacity: .3; stroke: black; stroke-width: 10; } " );
$css->read_string( "#legend_grad { fill: url(#legend_gradient); fill-opacity: 1; stroke: black; stroke-width: 1; } " );

$css_container->CDATA( "\n".$css->output() );

print $svg->xmlify();

I, the copyright holder of this work, hereby publish it under the following license:

I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Carca unu grupu data/ora pro castiare su file comente si presentada in su tempus indicadu.

	Data/Ora	Dimensiones	Utente	Cumentu
atuale	16:36, 6 Cab 2019	2,754 × 1,398 (1.07 MB)	Cherkash	changed legend background color
	01:42, 6 Cab 2019	2,754 × 1,398 (1.07 MB)	Cherkash	added Faroe Islands
	01:00, 6 Cab 2019	2,754 × 1,398 (1.07 MB)	Cherkash	updated to the newest baseline blank map, added circles; reused latest version's legend/data with updates: Turkey updated (per Vera ref); no mention in refs of Palestine's differing from Israel; Bermuda moved by one year (per NIST ref)
	21:25, 19 Trì 2019	2,560 × 1,314 (1.13 MB)	De728631	added Turkey, Greenland, West Bank
	16:45, 19 Làm 2018	2,560 × 1,314 (1.06 MB)	AzaToth	Hue moved 60° down and increased length to 240° from 120°; other changes applied since before.
	11:40, 31 Trì 2012	940 × 477 (1.54 MB)	Htonl	Alter CSS to apply same colour to Namibia as South Africa - Namibia (SWA) was at the time part of South Africa and the South African metrication law applied.
	04:21, 23 Mar 2009	940 × 477 (1.54 MB)	AzaToth	correctify the gradient
	04:13, 23 Mar 2009	940 × 477 (1.54 MB)	AzaToth	don't want to have ugly gray there :/
	04:11, 23 Mar 2009	940 × 477 (1.54 MB)	AzaToth	forgot to readd the ocean color
	04:07, 23 Mar 2009	940 × 477 (1.54 MB)	AzaToth	updated with legend

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Custu file cuntenet informatziones annuntiles, probabilmente annantas dae sa fotocamera o dae s'iscansionadore impreadu pro ddu creare o ddu digitalizare. Si su file est istadu modificadu, unos cantos particulares podent non currispòndere a sa realidade.

Short title	World Map
Width	2754
Height	1398

[1] Vera, Hector (2011-09) The Social Life of Measures: Metrication in the United States and Mexico, 1789–2004 (PhD dissertation)^[1], Sociology and Historical Studies, New School for Social Research, pages 51, 494–497

[2] (20 Maju 1975) The International Bureau of Weights and Measures 1875–1975: NBS Special Publication 420, Washington, D.C.: National Bureau of Standards, p. 244

[1]

[2]

File:Metrication by year map.svg

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