Visualization toolmaker. Founder @observablehq. Creator @d3. Former @nytgraphics. Pronounced BOSS-tock.
Published
Edited
Sep 18, 2021
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11 stars
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Fake Globes
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Projections
w = Math.min(640, width)
r = w / 2 - 2
image = {
const context = DOM.context2d(r * 4, w);
const projection = d3.geoEquirectangular().scale(r * 2 / Math.PI).translate([r * 2, w / 2]);
const path = d3.geoPath(projection, context);
context.beginPath(), path(land), context.fill();
return {canvas: context.canvas};
}
land = topojson.feature(world, world.objects.land)
world = fetch("https://cdn.jsdelivr.net/npm/world-atlas@2/land-110m.json").then(response => response.json())
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