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 🖥️
Hello Bertin.jsmatch and mergeprop symbolstextstypochoroplethInputs.table + bertin.jsquickdraw & table2geodorling cartogramprojectionssymbolsspikesstock + chorostock + typodot cartogramlinksthicknessmercator tilesbertin.js: Tooltipsregular bubble (Points Bertin)bertin.js: official logo 😎dot density mapdeal with with geojson propertiesLayer types in brieflocation map (minimap)prop squaresWaterlinesregular squaresRegular gridSeveral Ways to Represent Dead and Missing Migrants in the Mediterranean with bertinSmoothCombine bertin with plot and d3jsCheat sheet bertinLet's play with viewofRidgeSVG paths & patternsDisplay and hide layers with BertinUpdate layers with bertinbertin globe view
mushroom
final = bertin.merge(africa, "ISO3", data2, "id")
bertin.draw({
params: {
extent: africa,
margin: 30,
background: "#bde1f0"
},
layers: [
{
type: "header",
text: `Unequal distribution of wealth in Africa`,
fontSize: 36
},
{
type: "mushroom",
geojson: final,
top_values: "gdp_pct",
bottom_values: "pop_pct",
k: k,
bottom_tooltip: {
fields: ["$name", "$pop", "(thousands inh.)"],
col: "#4fabd6"
},
top_tooltip: { fields: ["$name", "$gdp", "(million $)"], col: "#d64f4f" },
leg_x: 150,
leg_y: 500,
leg_title: "Wealth and population, 2021",
leg_top_fill: "none",
leg_bottom_fill: "none",
leg_top_txt: "GDP (%)",
leg_bottom_txt: "Inhabitants (%)",
leg_fontSize: 17
},
{
type: "text",
position: [150, 705],
baseline: "hanging",
fontSize: 9,
text: `GDP and population data are from the World Bank.
To make them comparable, the data has been converted
to a percentage of total African countries. `
},
{ type: "layer", geojson: africa, fill: "#f5d482" },
{ type: "shadow", geojson: africa, dx: 5, dy: 5 },
{ type: "layer", geojson: world, fill: "#e0d0b6" },
{ type: "scalebar" }
]
})
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