A recreation of the first choropleth
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July 5, 2017 12:36
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Recreation of Dupin's Choropleth from 1826
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license: gpl-3.0 |
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name | illiteracy | |
---|---|---|
Ain | 10 | |
Aisne | 10 | |
Allier | 30 | |
Alpes-de-Haute-Provence | 10 | |
Hautes-Alpes | 10 | |
Alpes-Maritimes | 10 | |
Ardèche | 10 | |
Ardennes | 10 | |
Ariège | 10 | |
Aube | 4 | |
Aude | 10 | |
Aveyron | 10 | |
Bouches-du-Rhône | 10 | |
Calvados | 10 | |
Cantal | 30 | |
Charente | 10 | |
Charente-Maritime | 8 | |
Cher | 10 | |
Corrèze | 10 | |
Corse-du-Sud | 10 | |
Haute-Corse | 10 | |
Côte-d'Or | 10 | |
Côtes-d'Armor | 10 | |
Creuse | 10 | |
Dordogne | 10 | |
Doubs | 10 | |
Drôme | 10 | |
Eure | 10 | |
Eure-et-Loir | 4 | |
Finistère | 10 | |
Gard | 10 | |
Haute-Garonne | 10 | |
Gers | 10 | |
Gironde | 10 | |
Hérault | 10 | |
Ille-et-Vilaine | 10 | |
Indre | 10 | |
Indre-et-Loire | 8 | |
Isère | 10 | |
Jura | 10 | |
Landes | 10 | |
Loir-et-Cher | 8 | |
Loire | 10 | |
Haute-Loire | 30 | |
Loire-Atlantique | 10 | |
Loiret | 8 | |
Lot | 10 | |
Lot-et-Garonne | 10 | |
Lozère | 10 | |
Maine-et-Loire | 10 | |
Manche | 10 | |
Marne | 4 | |
Haute-Marne | 10 | |
Mayenne | 10 | |
Meurthe-et-Moselle | 10 | |
Meuse | 10 | |
Morbihan | 10 | |
Moselle | 10 | |
Nièvre | 10 | |
Nord | 7 | |
Oise | 10 | |
Orne | 10 | |
Pas-de-Calais | 7 | |
Puy-de-Dôme | 30 | |
Pyrénées-Atlantiques | 10 | |
Hautes-Pyrénées | 10 | |
Pyrénées-Orientales | 10 | |
Bas-Rhin | 7 | |
Haute-Rhin | 7 | |
Rhône | 10 | |
Haute-Saône | 10 | |
Saône-et-Loire | 10 | |
Sarthe | 10 | |
Savoie | 10 | |
Haute-Savoie | 10 | |
Paris | 4 | |
Seine-Maritime | 7 | |
Seine-et-Marne | 4 | |
Yvelines | 4 | |
Deux-Sèvres | 8 | |
Somme | 10 | |
Tarn | 10 | |
Tarn-et-Garonne | 10 | |
Var | 10 | |
Vaucluse | 10 | |
Vendée | 8 | |
Vienne | 8 | |
Haute-Vienne | 10 | |
Vosges | 10 | |
Yonne | 4 | |
Territoire de Belfort | 10 | |
Essonne | 4 | |
Hauts-de-Seine | 4 | |
Seine-Saint-Denis | 4 | |
Val-de-Marne | 4 | |
Val-d'Oise | 4 |
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
.border{ | |
stroke-width:.3px; | |
fill:none; | |
stroke:#333; | |
} | |
svg { | |
font: 10px sans-serif; | |
} | |
.caption{ | |
font-weight: bold; | |
fill: black; | |
} | |
.key path { | |
display: none; | |
} | |
.key line{ | |
stroke:#000; | |
shape-rendering:crispEdges; | |
} | |
</style> | |
<body> | |
<svg width="960" height="500"></svg> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<script src="https://d3js.org/topojson.v1.min.js"></script> | |
<script> | |
var width = 960; | |
var height = 500; | |
var colorArray = ['#000000', '#3f3f3f', '#7e7e7e', '#d3d3d3', 'white']; | |
var svg = d3.select("svg") | |
.attr("width", width) | |
.attr("height", height); | |
var color = d3.scaleThreshold() | |
.domain([5, 8, 9, 20, 38]) | |
.range(colorArray); | |
// A position encoding for the key only. | |
var x = d3.scaleLinear() | |
.domain([0, 38]) | |
.range([0, 200]); | |
var xAxis = d3.axisBottom() | |
.scale(x) | |
.tickSize(13) | |
.tickValues(color.domain()); | |
var projection = d3.geoAlbers() | |
.center([2, 49.5]) | |
.rotate([-2.8, 3]) | |
.parallels([45, 55]) | |
.scale(2500) | |
.translate([width / 2, height / 2]); | |
var path = d3.geoPath() | |
.projection(projection); | |
d3.json("france.json", function(error1, france) { | |
d3.csv("data.csv", function(error2, illiteracy) { | |
if (error1) throw error1; | |
if (error2) throw error2; | |
var g = svg.append("g") | |
.attr("class", "key") | |
.attr("transform", "translate(40,40)"); | |
g.selectAll("rect") | |
.data(color.range().map((currentColor) => { | |
var d = color.invertExtent(currentColor); | |
if (d[0] == null) d[0] = x.domain()[0]; | |
if (d[1] == null) d[1] = x.domain()[1]; | |
return d; | |
})) | |
.enter() | |
.append('rect') | |
.attr('height', 8) | |
.attr('x', d => x(d[0])) | |
.attr('width', d => x(d[1]) - x(d[0])) | |
.style('fill', d => color(d[0])); | |
g.call(xAxis).append('text') | |
.attr('class', 'caption') | |
.attr('dy',-10) | |
.attr('dx', 30) | |
.text('Illiteracy (%)'); | |
svg.selectAll('.departements') | |
.data(topojson.feature(france, france.objects.regions).features) | |
.enter().append('path') | |
.attr('class', 'departements') | |
.attr('d', path) | |
.style('fill', (departement) => { | |
var paringData = illiteracy.filter((illiteracy) => { | |
return departement.properties.name === illiteracy.name; | |
})[0]; | |
return paringData ? color(paringData.illiteracy) : color(0); | |
}); | |
svg.append('path') | |
.datum(topojson.mesh(france, france.objects.regions, (a, b) => { return a.properties.name !== b.properties.name || a === b; })) | |
.attr('class','border') | |
.attr('d', path); | |
}); | |
}); | |
</script> |
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