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Nicolas Lambert
Hi. I'm Nicolas Lambert, research engineer in geographic information science at CNRS (France). My job is to draw maps and teach cartography at the university. I am a geographer 🌎, and not really a developer 🖥️
Public
Observable pour les geographes
Edited
Nov 18, 2024
Fork of Faire des cartes avec bertin.js
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bertin = require("bertin")
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geom = FileAttachment("geom.geojson").json()
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data = FileAttachment("data.csv").csv({ typed: true })
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bertin.match(geom, "ISO3", data, "id")
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world = bertin.merge(geom, "ISO3", data, "id")
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bertin.draw({
layers: [
{
geojson: world,
fill: "blue",
stroke: "green"
}
]
})
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bertin.draw({
layers: [
{
type: "bubble",
geojson: world,
values: "pop", // <- données quantitatives absolues
fill: "red",
leg_x: 75,
leg_y: 250,
leg_round: -2
},
{
geojson: world,
fill: "#CCC"
}
]
})
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bertin.draw({
layers: [
{
geojson: world,
fill: {
type: "choro",
values: "gdppc", // <- données quantitatives realtives
leg_x: 75,
leg_y: 250,
leg_round: -2
}
}
]
})
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bertin.draw({
layers: [
{
geojson: world,
//strokeWidth: 10,
fill: {
type: "typo",
values: "region", // <- données qualitatives
leg_x: 75,
leg_y: 250
}
}
]
})
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bertin.draw({
layers: [
// COUCHE 1
{
type: "bubble",
geojson: world,
values: "pop", // <- données quantitatives absolues
fill: "none",
stroke: "black",
strokeWidth: 1.5
},
//COUCHE 2
{
geojson: world,
fill: {
type: "typo",
values: "region" // <- données qualitatives
}
}
]
})
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bertin.draw({
layers: [
{
type: "bubble",
geojson: world,
values: "pop", // <- données quantitatives absolues
stroke: {
type: "typo",
values: "region" // <- données qualitatives
},
fill: "none",
strokeWidth: 2
},
{
geojson: world,
fill: "#CCC"
}
]
})
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bertin.draw({
params: { projection: "InterruptedSinusoidal" }, // Paramètres généraux (marges, projection, etc.)
layers: [
{ type: "header", text: "La population mondiale" }, // Titre
{ type: "footer", text: "Fait avec bertin.js", anchor: "middle" }, // Source
// COUCHE 1 (cercles)
{
type: "bubble",
geojson: world, // géometrie
values: "pop", // variable
fill: "#b566ac", // couleur des cercles
stroke: "white", // couleur de contour des cercles
strokeWidth: 0.5, // épaisseur
tooltip: ["$name", "$pop"], // Infobulle
leg_x: 100, // position de la légende (x)
leg_y: 250, // position de la légende (y)
leg_title: "Population des\npays en 2000", // Titre de la légende
leg_round: -3 // arrondi
},
// COUCHE 1 (pays)
{
geojson: world, // géométrie
fill: "white", // couleur de fond
stroke: "none", // cauleur de contour (aucun)
fillOpacity: 0.5 // Opacité
},
{ type: "graticule" }, // Lignes de latitude et longitude
{ type: "outline" } // coutour de la Terre dans la projection
]
})
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