27:null 28:["$","title",null,{"children":"Portland, Maine 2023 Election Instant Runoff Results | Daniel Gamage | Observable"}] 2d:T1217,chart = { const svg = d3.create("svg").attr("viewBox", [0, 0, width, height]); const { nodes, links } = sankey(data); svg .attr("style", "font-family: 'Source Sans Pro', serif") .append("g") .selectAll("rect") .attr("style", "font-family: Source Sans Pro") .data(nodes) .join("rect") .attr("x", (d) => d.x0) .attr("y", (d) => d.y0) .attr("height", (d) => d.y1 - d.y0) .attr("width", (d) => d.x1 - d.x0) .attr("fill", color) .attr("opacity", (d) => // Opacity depends on input/output highlightedOutput && highlightedInput ? highlightedOutput == d.name && highlightedInput == d.category ? 1 : 0.3 : highlightedOutput ? highlightedOutput == d.name ? 1 : 0.3 : highlightedInput ? highlightedInput == d.category ? 1 : 0.3 : 1 ) // On mouseover of category rect, highlight group .on("mouseover", function (el, d) { console.log({ d }); // If rect has no sourceLinks, it is the "final" rect const finalRect = d.sourceLinks.length == 0; if (finalRect) { // Highlight all sources to the final rect set(viewof highlightedInput, null); set(viewof highlightedOutput, d.name); } else { // Highlight all targets set(viewof highlightedInput, d.category); set(viewof highlightedOutput, null); } }) .on("mouseout", function (el, d) { // On mouseout, unhighight all set(viewof highlightedInput, null); set(viewof highlightedOutput, null); }) .append("title") .text((d) => `${d.name}\n${format(d.value)}`); const link = svg .append("g") .attr("fill", "none") .attr("stroke-opacity", 0.7) .selectAll("g") .data(links) .join("g") .style("mix-blend-mode", "multiply"); if (edgeColor === "path") { const gradient = link .append("linearGradient") .attr("id", (d) => (d.uid = DOM.uid("link")).id) .attr("gradientUnits", "userSpaceOnUse") .attr("x1", (d) => d.source.x1) .attr("x2", (d) => d.target.x0); gradient .append("stop") .attr("offset", "0%") .attr("stop-color", (d) => color(d.source)); gradient .append("stop") .attr("offset", "100%") .attr("stop-color", (d) => color(d.target)); } link .append("path") .attr("d", d3.sankeyLinkHorizontal()) .attr("stroke", (d) => edgeColor === "none" ? "#aaa" : edgeColor === "path" ? d.uid : edgeColor === "input" ? color(d.source) : color(d.target) ) // Change opacity based on highlighted .attr("opacity", (d) => { if (highlightedOutput && highlightedInput) { // If BOTH highlighted (via path highlight) // Highlight those that match source and target if ( highlightedOutput == d.target.name && highlightedInput == d.source.category ) { return 1; } else { return 0.3; } } else if (highlightedOutput) { // Otherwise, if target matches, highlight if (highlightedOutput == d.target.name) { return 1; } else { return 0.3; } } else if (highlightedInput) { // Otherwise, if source matches, highlight if (highlightedInput == d.source.category) { return 1; } else { return 0.3; } } else { return 1; } }) .attr("stroke-width", (d) => Math.max(1, d.width)) .on("mouseover", function (el, d) { // On mouseover of path, set highlights to equal source and target set(viewof highlightedInput, d.source.category); set(viewof highlightedOutput, d.target.name); }) .on("mouseout", () => { // On mouseout, unhighlight set(viewof highlightedInput, null); set(viewof highlightedOutput, null); }); link .append("title") .text((d) => `${d.source.name} → ${d.target.name}\n${format(d.value)}`); svg .append("g") .attr("font-family", "sans-serif") .attr("font-size", 12) .attr("pointer-events", "none") // Remove pointer events so path hovers work .selectAll("text") .data(nodes) .join("text") .attr("style", "font-family: Source Sans Pro") .attr("x", (d) => (d.x0 < width / 2 ? d.x1 + 6 : d.x0 - 6)) .attr("y", (d) => (d.y1 + d.y0) / 2) .attr("dy", "0.35em") .attr("text-anchor", (d) => (d.x0 < width / 2 ? "start" : "end")) .text((d) => d.name); return svg.node(); }2e:Taac,data = { let csv = d3.csvParse(/* csv */ `Candidate,Round 1,Round 2,Round 3,Round 4,Round 5 "Mark Dion",8839,8849,8909,9425,10750 "Andrew Zarro",5902,5928,6291,6927,10107 "Pious Ali",4894,4917,5279,5794,0 "Justin Costa",1771,1775,1861,0,0 "Dylan Pugh",908,934,0,0,0 "George Rheault",100,0,0,0,0`); const candidates = csv.map((v) => v.Candidate); const roundCount = csv.columns.filter((v) => v.includes("Round")).length; // parse numbers csv = csv.map((v) => { return { Candidate: v.Candidate, "Round 1": parseInt(v["Round 1"]), "Round 2": parseInt(v["Round 2"]), "Round 3": parseInt(v["Round 3"]), "Round 4": parseInt(v["Round 4"]), "Round 5": parseInt(v["Round 5"]) }; }); // [{name: "Dion, Mark N. Round 1", category: "Dion, Mark N."}, {name: "Dion, Mark N. 2", category: "Dion, Mark N."}] const categories = []; let links = []; Array.from({ length: roundCount }, (_, i) => { const thisRound = i + 1; const nextRound = i + 2; const thisRoundLabel = `Round ${thisRound}`; const nextRoundLabel = `Round ${nextRound}`; csv .filter((v) => v[thisRoundLabel] !== 0) .forEach((v) => { categories.push({ name: `${v.Candidate} ${thisRoundLabel}`, category: v.Candidate }); }); // eliminated candidate has no votes in next round const eliminatedCandidate = csv.find( (v) => v[nextRoundLabel] === 0 )?.Candidate; if (eliminatedCandidate) { // Remaining Candidate Deltas let deltas = []; csv .filter((v) => v[nextRoundLabel] !== 0) .forEach((v) => { const delta = v[nextRoundLabel] - v[thisRoundLabel]; links.push({ source: `${v.Candidate} ${thisRoundLabel}`, target: `${v.Candidate} ${nextRoundLabel}`, value: v[thisRoundLabel] }); deltas.push({ source: `${eliminatedCandidate} ${thisRoundLabel}`, target: `${v.Candidate} ${nextRoundLabel}`, value: delta }); }); links.push(...deltas); // take remaining votes after deltas are subtracted from eliminatedCandidate's first round, and connect them to "Exit" category let remainingVotes = csv.find((v) => v.Candidate === eliminatedCandidate)[ thisRoundLabel ]; deltas.forEach((v) => { remainingVotes -= v.value; }); links.push({ source: `${eliminatedCandidate} ${thisRoundLabel}`, target: "No Vote", value: remainingVotes }); } }); categories.push({ name: "No Vote", category: "No Vote" }); return { nodes: categories, links: links, units: "votes" }; }2f:[] 2b:{"id":"dff97bd09963514f","slug":null,"title":"Portland, Maine 2023 Election Instant Runoff Results","thumbnail":"453992f0f78617ebae462a183bd8b47b0608c7733640071b0af4b155a81ebf05","access_level":"public","create_time":"$D2023-11-08T18:27:41.022Z","update_time":"$D2023-11-16T18:58:46.164Z","view_time":null,"first_public_time":"$D2023-11-08T21:04:37.586Z","has_unpublished_edits":null,"fork":{"id":"35d508daf46dc38e","slug":"sankey-diagram-w-highlighting","title":"Sankey Diagram w/ Highlighting","owner":{"id":"f33497ce92520cec","login":"connorrothschild","name":"Connor Rothschild"}},"stars":0,"starred":false,"owner":{"type":"team","id":"90e6c6f93f7e192d","login":"danielgamage","name":"Daniel Gamage","avatar_url":"https://avatars-next.observableusercontent.com/0b5b0c262ef36153251318b683161ec9f9282e3906a635688c9c54cdab053794","tier":"starter_2024"},"version":656,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"4f703014d88d7078","login":"danielgamage","name":"Daniel Gamage","avatar_url":"https://avatars-next.observableusercontent.com/0b5b0c262ef36153251318b683161ec9f9282e3906a635688c9c54cdab053794","tier":null}],"members":[{"type":"individual","id":"4f703014d88d7078","login":"danielgamage","name":"Daniel Gamage","avatar_url":"https://avatars-next.observableusercontent.com/0b5b0c262ef36153251318b683161ec9f9282e3906a635688c9c54cdab053794","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":1,"collection":null,"type":"notebook","body":{"title":"Portland, Maine 2023 Election Instant Runoff Results","cells":[{"id":0,"value":"md`# Portland, Maine 2023 Election Instant Runoff Results\n\n[Data](https://content.civicplus.com/api/assets/e7c379b7-f433-4d33-8bfc-5a2674e40c69) from [City of Portland](https://www.portlandmaine.gov/176/2023-Municipal-Elections)\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":160,"value":"viewof edgeColor = Object.assign(html``, {\n value: new URLSearchParams(html``.search).get(\"color\") || \"path\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":399,"value":"viewof highlightedInput = Inputs.select(\n new Map([\n [\"None\", null],\n [\"---\", null],\n ...[...new Set(data.nodes.map((d) => [d.category, d.category]))]\n ]),\n { value: null, label: \"Highlight input\" }\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":407,"value":"viewof highlightedOutput = Inputs.select(\n new Map([\n [\"None\", null],\n [\"---\", null],\n ...data.nodes.map((d) => [d.name, d.name])\n ]),\n { value: null, label: \"Highlight input\" }\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":11,"value":"$2d","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":22,"value":"sankey = {\n const sortArr = data.nodes.map((n) => n.category);\n const sankey = d3\n .sankey()\n .nodeId((d) => d.name)\n .nodeWidth(40)\n .nodePadding(30)\n .extent([\n [1, 5],\n [width - 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