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Bump Chart
chart = {
const compact = drawingStyle === "compact";
const svg = d3.create("svg")
.attr("cursor", "default")
.attr("viewBox", [0, 0, width, height]);
svg.append("g")
.attr("transform", `translate(${margin.left + padding},0)`)
.selectAll("path")
.data(seq(0, quarters.length))
.join("path")
.attr("stroke", "#ccc")
.attr("stroke-width", 2)
.attr("stroke-dasharray", "5,5")
.attr("d", d => d3.line()([[bx(d), 0], [bx(d), height - margin.bottom]]));
const series = svg.selectAll(".series")
.data(chartData)
.join("g")
.attr("class", "series")
.attr("opacity", 1)
.attr("fill", d => color(d[0].rank))
.attr("stroke", d => color(d[0].rank))
.attr("transform", `translate(${margin.left + padding},0)`)
.on("mouseover", highlight)
.on("mouseout", restore);
series.selectAll("path")
.data(d => d)
.join("path")
.attr("stroke-width", strokeWidth(drawingStyle))
.attr("d", (d, i) => {
if (d.next)
return d3.line()([[bx(i), by(d.rank)], [bx(i + 1), by(d.next.rank)]]);
});
const bumps = series.selectAll("g")
.data((d, i) => d.map(v => ({territory: territories[i], profit: v, first: d[0].rank})))
.join("g")
.attr("transform", (d, i) => `translate(${bx(i)},${by(d.profit.rank)})`)
//.call(g => g.append("title").text((d, i) => `${d.territory} - ${quarters[i]}\n${toCurrency(d.profit.profit)}`));
.call(title);
bumps.append("circle").attr("r", compact ? 5 : bumpRadius);
bumps.append("text")
.attr("dy", compact ? "-0.75em" : "0.35em")
.attr("fill", compact ? null : "white")
.attr("stroke", "none")
.attr("text-anchor", "middle")
.style("font-weight", "bold")
.style("font-size", "14px")
.text(d => d.profit.rank + 1);
svg.append("g").call(g => drawAxis(g, 0, height - margin.top - margin.bottom + padding, d3.axisBottom(ax), true));
const leftY = svg.append("g").call(g => drawAxis(g, margin.left, 0, d3.axisLeft(y.domain(left))));
const rightY = svg.append("g").call(g => drawAxis(g, width - margin.right, 0, d3.axisRight(y.domain(right))));
return svg.node();
function highlight(e, d) {
this.parentNode.appendChild(this);
series.filter(s => s !== d)
.transition().duration(500)
.attr("fill", "#ddd").attr("stroke", "#ddd");
markTick(leftY, 0);
markTick(rightY, quarters.length - 1);
function markTick(axis, pos) {
axis.selectAll(".tick text").filter((s, i) => i === d[pos].rank)
.transition().duration(500)
.attr("font-weight", "bold")
.attr("fill", color(d[0].rank));
}
}
function restore() {
series.transition().duration(500)
.attr("fill", s => color(s[0].rank)).attr("stroke", s => color(s[0].rank));
restoreTicks(leftY);
restoreTicks(rightY);
function restoreTicks(axis) {
axis.selectAll(".tick text")
.transition().duration(500)
.attr("font-weight", "normal").attr("fill", "black");
}
}
}
drawAxis = (g, x, y, axis, domain) => {
g.attr("transform", `translate(${x},${y})`)
.call(axis)
.selectAll(".tick text")
.attr("font-size", "12px");
if (!domain) g.select(".domain").remove();
}
title = g => g.append("title")
.text((d, i) => `${d.territory} - ${quarters[i]}\nRank: ${d.profit.rank + 1}\nProfit: ${toCurrency(d.profit.profit)}`)
strokeWidth = d3.scaleOrdinal()
.domain(["default", "transit", "compact"])
.range([5, bumpRadius * 2 + 2, 2]);
bx = d3.scalePoint()
.domain(seq(0, quarters.length))
.range([0, width - margin.left - margin.right - padding * 2])
by = d3.scalePoint()
.domain(seq(0, ranking.length))
.range([margin.top, height - margin.bottom - padding])
ax = d3.scalePoint()
.domain(quarters)
.range([margin.left + padding, width - margin.right - padding]);
y = d3.scalePoint()
.range([margin.top, height - margin.bottom - padding]);
toCurrency = (num) => d3.format("$,.2f")(num)
data = d3.csvParse(await FileAttachment("profit@3.csv").text(), d3.autoType)
territories = Array.from(new Set(data.flatMap(d => [d.territory])))
quarters = Array.from(new Set(data.flatMap(d => [d.quarter])))
chartData = {
const ti = new Map(territories.map((territory, i) => [territory, i]));
const qi = new Map(quarters.map((quarter, i) => [quarter, i]));
const matrix = Array.from(ti, () => new Array(quarters.length).fill(null));
for (const {territory, quarter, profit} of data)
matrix[ti.get(territory)][qi.get(quarter)] = {rank: 0, profit: +profit, next: null};
matrix.forEach((d) => {
for (let i = 0; i<d.length - 1; i++)
d[i].next = d[i + 1];
});
quarters.forEach((d, i) => {
const array = [];
matrix.forEach((d) => array.push(d[i]));
array.sort((a, b) => b.profit - a.profit);
array.forEach((d, j) => d.rank = j);
});
return matrix;
}
ranking = {
const len = quarters.length - 1;
const ranking = chartData.map((d, i) => ({territory: territories[i], first: d[0].rank, last: d[len].rank}));
return ranking;
}
color = d3.scaleOrdinal(d3.schemeTableau10)
.domain(seq(0, ranking.length))
seq = (start, length) => Array.apply(null, {length: length}).map((d, i) => i + start);
left = ranking.sort((a, b) => a.first - b.first).map((d) => d.territory);
right = ranking.sort((a, b) => a.last - b.last).map((d) => d.territory);
width = quarters.length * 80
height = territories.length * 60
bumpRadius = 13
padding = 25
margin = ({left: 105, right: 105, top: 20, bottom: 50})
d3 = require("d3@6")
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