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map = {
const context = DOM.context2d(width, height);
const path = d3.geoPath(projection, context);
context.beginPath(), path(sphere), context.fillStyle='#e6f7ff', context.fill();
context.beginPath(), path(sphere), context.strokeStyle = "#000", context.stroke();
context.beginPath(), path(land), context.fillStyle = '#e8d6c1', context.fill();
context.beginPath(), path(land), context.strokeStyle = "#666", context.stroke();
context.beginPath(), path(graticule), context.strokeStyle = "#bbb", context.stroke();
return context.canvas;
}
projection = d3.geoLagrange()
.fitExtent([[1, 1], [width - 1, height - 1]], sphere)
.precision(0.1)
height = width / 2
sphere = ({type: "Sphere"})
graticule = d3.geoGraticule10()
land = topojson.feature(world, world.objects.land)
world = fetch("https://unpkg.com/world-atlas@1/world/50m.json").then(response => response.json())
topojson = require("topojson-client@3")
d3 = require("d3-geo@1", "d3-geo-projection@2")
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