chart = {
const color = d3.scaleOrdinal()
.domain(data.map(d => d[2]))
.range(d3.schemeCategory10);
const zoom = d3.zoom()
.on("zoom", zoomed);
const svg = d3.create("svg")
.attr("viewBox", [0, 0, width, height]);
const g = svg.append("g")
.attr("fill", "none")
.attr("stroke-linecap", "round");
g.selectAll("path")
.data(data)
.join("path")
.attr("d", d => `M${x(d[0])},${y(d[1])}h0`)
.attr("stroke", d => color(d[2]));
const gx = svg.append("g")
.attr("transform", `translate(0,${height})`);
const xAxis = (g, x) => g
.call(d3.axisTop(x).ticks(12))
.call(g => g.select(".domain").attr("display", "none"));
const gy = svg.append("g");
const yAxis = (g, y) => g
.call(d3.axisRight(y).ticks(12 * k))
.call(g => g.select(".domain").attr("display", "none"));
svg.call(zoom.transform, viewof transform.value);
function zoomed({transform}) {
g.attr("transform", transform).attr("stroke-width", 5 / transform.k);
gx.call(xAxis, transform.rescaleX(x));
gy.call(yAxis, transform.rescaleY(y));
}
return Object.assign(svg.node(), {
update(transform) {
svg.transition()
.duration(1500)
.call(zoom.transform, transform);
}
});
}