31:T79f,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(); }32:[{"id":"c9502fb6970a953abd5d46faad151d9ef8294e3087b2b7ebe5bdb3817bbe6e15a7721d9d641acc8a657f3d432d76523ca1cbd8a1aaac44c38355f09ef3e486c3","href":"https://static.observableusercontent.com/files/c9502fb6970a953abd5d46faad151d9ef8294e3087b2b7ebe5bdb3817bbe6e15a7721d9d641acc8a657f3d432d76523ca1cbd8a1aaac44c38355f09ef3e486c3","name":"trips@4.csv","type":"text/csv","lastModified":1590879855866.5,"size":43650}] 2f:{"title":"Origen y Destino de viajes de BA Taxi","cells":[{"id":0,"value":"md`# Origen y Destino de viajes de BA Taxi\n\nEl gráfico Sankey muestra la cantidad de viajes con origen en un barrio y destino en otro barrio\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":160,"value":"viewof edgeColor = Object.assign(html``, {\n value: new URLSearchParams(html``.search).get(\"color\") || \"path\"\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":181,"value":"viewof align = Object.assign(html``, {\n value: new URLSearchParams(html``.search).get(\"align\") || \"justify\"\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":290,"value":"viewof size = Object.assign(html``, {\n value: new URLSearchParams(html``.search).get(\"size\") || \"10\"\n})","pinned":true,"hidden":false,"mode":"ojs"},{"id":11,"value":"$31","pinned":true,"hidden":false,"mode":"ojs"},{"id":22,"value":"sankey = {\n const sankey = d3.sankey()\n .nodeId(d => d.name)\n .nodeAlign(d3[`sankey${align[0].toUpperCase()}${align.slice(1)}`])\n .nodeWidth(15)\n .nodePadding(10)\n .extent([[1, 5], [width - 1, height - 5]]);\n return ({nodes, links}) => sankey({\n nodes: nodes.map(d => Object.assign({}, d)),\n links: links.map(d => Object.assign({}, d))\n });\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":13,"value":"format = {\n const format = d3.format(\",.0f\");\n return data.units ? d => `${format(d)} ${data.units}` : format;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":16,"value":"color = {\n const color = d3.scaleOrdinal(d3.schemeCategory10);\n return d => color(d.category === undefined ? d.name : d.category);\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":249,"value":"data = {\n const data = d3.csvParse(await FileAttachment(\"trips@4.csv\").text(), d3.autoType);\n const links = data.slice(0, size);\n const nodes = Array.from(new Set(links.flatMap(l => [l.source, l.target])), name => ({name, category: name.replace(/ .*/, \"\")}));\n return {nodes, links, units: \"trips\"};\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":95,"value":"width = 954","pinned":true,"hidden":false,"mode":"ojs"},{"id":9,"value":"height = 600","pinned":true,"hidden":false,"mode":"ojs"},{"id":7,"value":"d3 = require(\"d3@5\", \"d3-sankey@0.12\")","pinned":true,"hidden":false,"mode":"ojs"}],"files":"$W32","stdlib":"1","titling":"auto"}