Published
Edited
Jul 7, 2021
4 forks
chart = {
const svg = d3.create("svg")
.attr("viewBox", [0, 0, 975, 610])
.attr("width", chartWidth + "px")
.attr('font-size', fontSize);
const g = svg.append("g")
.attr("transform", "translate(610,20)")
.append(() => legend({color, title: data.title, width: 260, tickFormat: d3.format(tickFormat)}))
g.selectAll("g").attr('font-size', fontSize);
svg.append("g")
.selectAll("path")
.data(topojson.feature(us, us.objects.states).features)
.join("path")
.attr("fill", d => color(data[d.properties.name]))
.attr("d", path)
.append("title")
.text(d => data.titles ? data.titles[d.properties.name]: null)
svg.append("path")
.datum(topojson.mesh(us, us.objects.states, (a, b) => a !== b))
.attr("fill", "none")
.attr("stroke", "white")
.attr("stroke-linejoin", "round")
.attr("d", path);
return svg.node();
}
data = {
const data = {title: "Unemployment rate (%)", titles: {}};
d3.csvParse(await FileAttachment("unemployment201907.csv").text()).forEach(d => {
data[d.name] = +d.rate;
data.titles[d.name] = d.name + "\n" + d.rate + "%";
});
return data
}
domain = {
const states = us.objects.states.geometries.map(d => d.properties.name)
return d3.extent(states, state => data[state])
}
chartWidth = 500
fontSize = 20
tickFormat = ".1f"
color = //d3.scaleQuantize(domain, d3.schemeBlues[6])
d3.scaleSequential(domain, d3.interpolateViridis)
path = d3.geoPath()
us = FileAttachment("states-albers-10m.json").json()
topojson = require("topojson-client@3")
d3 = require("d3@6")
import {legend} from "@d3/color-legend"
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