2a:null 2b:["$","title",null,{"children":"Sankey D3 | luiztheodoro | Observable"}] 30:T7a1,chart = { const svg = d3.create("svg") .attr("viewBox", [0, 0, width, height]); const {nodes, links} = sankey(data); svg.append("g") .attr("stroke", "#000") .selectAll("rect") .data(nodes) .join("rect") .attr("x", d => d.x0) .attr("y", d => d.y0) .attr("height", d => d.y1 - d.y0) .attr("width", d => d.x1 - d.x0) .attr("fill", color) .append("title") .text(d => `${d.name}\n${format(d.value)}`); const link = svg.append("g") .attr("fill", "none") .attr("stroke-opacity", 0.5) .selectAll("g") .data(links) .join("g") .style("mix-blend-mode", "multiply"); if (edgeColor === "path") { const gradient = link.append("linearGradient") .attr("id", d => (d.uid = DOM.uid("link")).id) .attr("gradientUnits", "userSpaceOnUse") .attr("x1", d => d.source.x1) .attr("x2", d => d.target.x0); gradient.append("stop") .attr("offset", "0%") .attr("stop-color", d => color(d.source)); gradient.append("stop") .attr("offset", "100%") .attr("stop-color", d => color(d.target)); } link.append("path") .attr("d", d3.sankeyLinkHorizontal()) .attr("stroke", d => edgeColor === "none" ? "#aaa" : edgeColor === "path" ? d.uid : edgeColor === "input" ? color(d.source) : color(d.target)) .attr("stroke-width", d => Math.max(1, d.width)); link.append("title") .text(d => `${d.source.name} → ${d.target.name}\n${format(d.value)}`); svg.append("g") .attr("font-family", "sans-serif") .attr("font-size", 10) .selectAll("text") .data(nodes) .join("text") .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(); }31:T4f8,color = { const color = d3.scaleOrdinal() .domain(["Bight of Benin", "Bight of Biafra and Gulf of Guinea islands", "Gold Coast", "Senegambia and offshore Atlantic", "Sierra Leone", "Southeast Africa and Indian Ocean islands", "West Central Africa and St. Helena", "Windward Coast", "Spain", "Rio de la Plata", "Asia e Africa", "Other Africa", "Codes without labels", "Brazil", "Caribbean", "Europe", "Mainland North America", "Spanish American Mainland", "Africa", "Other"]) .range(["#A05833", "#3C4C50", "#6D5A44", "#675037", "#8B6642", "#D9CEC2", "#3B534F", "#3C3828", "#CC1C14", "#49CCFF", "#BDA419", "#343845", "#B2C5D1", "#5E736E", "#93BFB6", "#474E73", "#8089BF", "#BDA419", "#343845", "#B2C5D1" ]); return d => color(d.category === undefined ? d.name : d.category); }32:[{"id":"e7a8b75a058847c3a53d8f60991d4059b5275e0b3ab6e90b60df3debb77997a84de5eefb80f80a75ab675c7b3af429f8a39b0dd2c8a3bf6b7c52e6bbc3e517a7","href":"https://static.observableusercontent.com/files/e7a8b75a058847c3a53d8f60991d4059b5275e0b3ab6e90b60df3debb77997a84de5eefb80f80a75ab675c7b3af429f8a39b0dd2c8a3bf6b7c52e6bbc3e517a7","name":"sankey@11.csv","type":"text/csv","lastModified":1605393876955.183,"size":1982}] 2e:{"id":"e95887d8a97e74cf","slug":"sankey-d3","title":"Sankey D3","thumbnail":"af22003b439d629b4f51956b770dcf9300f0c96e8a634a47815365ee8d450af1","access_level":"public","create_time":"$D2020-11-12T21:38:17.126Z","update_time":"$D2020-11-21T01:32:27.350Z","view_time":null,"first_public_time":"$D2020-11-13T00:12:58.643Z","has_unpublished_edits":null,"fork":false,"stars":1,"starred":false,"owner":{"type":"team","id":"267a089e2110e8f7","login":"luiztheodoro","name":"","avatar_url":"https://avatars-next.observableusercontent.com/ed653b2fced6ee434b91de55c5bd18c1ca42d2b3d75d146905ce8a43086a0650","tier":"starter_2024"},"version":124,"publish_version":124,"role":null,"authored":false,"authors":[{"type":"individual","id":"9c53aa6488c19ae3","login":"luiztheodoro","name":"","avatar_url":"https://avatars-next.observableusercontent.com/ed653b2fced6ee434b91de55c5bd18c1ca42d2b3d75d146905ce8a43086a0650","tier":null}],"members":[{"type":"individual","id":"9c53aa6488c19ae3","login":"luiztheodoro","name":"","avatar_url":"https://avatars-next.observableusercontent.com/ed653b2fced6ee434b91de55c5bd18c1ca42d2b3d75d146905ce8a43086a0650","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":3,"collection":null,"type":"notebook","body":{"titling":"auto","title":"Sankey D3","cells":[{"id":0,"value":"md`# Sankey D3`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":73,"value":"viewof edgeColor = Object.assign(html``, {\n value: new URLSearchParams(html``.search).get(\"color\") || \"path\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":71,"value":"viewof align = Object.assign(html``, {\n value: new URLSearchParams(html``.search).get(\"align\") || \"justify\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":42,"value":"$30","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":47,"value":"format = {\n const format = d3.format(\",.0f\");\n return data.units ? d => `${format(d)} ${data.units}` : format;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":49,"value":"$31","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":54,"value":"data = {\n const links = await FileAttachment(\"sankey@11.csv\").csv({typed: true});\n var links2 = d3.group(links, d => d.source)\n const nodes = Array.from(new Set(links.flatMap(l => [l.source, l.target])), name => ({name, category: name.replace(/ .*/, \"\")}));\n return {nodes, links, units: \"Escravos\"};\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":34,"value":"sankey = {\n const sankey = d3.sankey()\n .nodeId(d => d.name)\n .nodeAlign(d3[`sankey${align[0].toUpperCase()}${align.slice(1)}`])\n .nodeWidth(15)\n .nodePadding(10)\n // .nodeSort(null)\n .extent([[1, 5], [width - 1, height - 5]]);\n return ({nodes, links}) => sankey({\n nodes: nodes.map(d => Object.assign({}, d)),\n links: links.map(d => Object.assign({}, d))\n });\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":10,"value":"md`## Apendix`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":13,"value":"d3 = require(\"d3@6\", \"d3-sankey@0.12\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":38,"value":"height = 600","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":40,"value":"width = 600","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W32","stdlib":"1"}} 2f:"$2e:body"