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Corées / Koreas
{
const svg = d3.create("svg").attr("viewBox", [0, 0, width, height]);
svg
.append("g")
.append("path")
.datum(d3.geoGraticule().step([1, 1])())
.attr("fill", "none")
.attr("stroke-width", 0.2)
.attr("stroke", "#000");
svg
.append("g")
.selectAll("path")
.data(land.features)
.join("path")
.attr("fill", "#f4f4f4")
.attr("stroke", "#000");
svg
.append("g")
.append("path")
.datum(koreas)
.attr("fill", "#ddd")
.attr("stroke", "#000");
svg
.append("g")
.append("path")
.datum({ type: "Sphere" })
.attr("fill", "none")
.attr("stroke-width", 1)
.attr("stroke", "#000");
svg.selectAll("path").attr("d", path);
svg
.append("text")
.text("VISIONSCARTO.NET")
.attr("transform", `translate(${15},${height - 20})`);
return svg.node();
}
path = d3.geoPath(projection)
m = 50
projection = d3
.geoTransverseMercator()
.rotate([-127.5, -38])
.fitExtent(
[
[m, m],
[width - m, height - m]
],
koreas
)
.clipExtent([
[1, 1],
[width - 1, height - 1]
])
projection.scale()
projection.translate()
koreas = ({
type: "FeatureCollection",
features: land.features.filter((d) => d.properties?.name.match("Korea"))
})
height = 1000
topo = fetch(
"https://unpkg.com/visionscarto-world-atlas@1/world/50m.json"
).then((d) => d.json())
props = d3
.tsv("https://unpkg.com/visionscarto-world-atlas@0.0.6/world/50m.tsv")
.then((data) =>
d3.rollup(
data,
([x]) => x,
({ id }) => id
)
)
land = {
const geo = topojson.feature(topo, topo.objects.countries);
for (const f of geo.features) f.properties = props.get(f.id);
return geo;
}
topojson = require("topojson-client@3")
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