31:T7ec,sankeyCreator = data => { const svg = d3.select(DOM.svg(width, height)) .style("width", "100%") .style("height", "auto"); 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", d => color(d.name)) .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.name)); gradient.append("stop") .attr("offset", "100%") .attr("stop-color", d => color(d.target.name)); } link.append("path") .attr("d", d3.sankeyLinkHorizontal()) .attr("stroke", d => edgeColor === "none" ? "#aaa" : edgeColor === "path" ? d.uid : edgeColor === "input" ? color(d.source.name) : color(d.target.name)) .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") .style("font", "12px sans-serif") .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} - ${format(d.value)}`); return svg.node(); }32:[] 2f:{"title":"Boekman - organiserend vermogen beeldende kunstsector","cells":[{"id":0,"value":"md`# Boekman - organiserend vermogen beeldende kunstsector\n\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":818,"value":"md`Alvast een voorbeeld van een stroomdiagram:`","pinned":false,"hidden":false,"mode":"ojs"},{"id":805,"value":"sankeyCreator(\n convertData(\n d3.tsvParse(`source\ttarget\tvalue\nBudget musea beeldende kunst\tEigen inkomsten\t102\nBudget musea beeldende kunst\tSubsidies overheid (mln euro)\t175\nSubsidies overheid (mln euro)\tRijkssubsidies (mln euro)\t42\nSubsidies overheid (mln euro)\tProvinciale subsidies (mln euro)\t29\nSubsidies overheid (mln euro)\tGemeentelijke subsidies (mln euro)\t103\nSubsidies overheid (mln euro)\tLoonsubsidies/afdrachtskortingen (mln euro)\t1`)\n )\n)","pinned":true,"hidden":false,"mode":"ojs"},{"id":802,"value":"md`# Appendix`","pinned":false,"hidden":false,"mode":"ojs"},{"id":338,"value":"md`\n## Example chart\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":343,"value":"chart = sankeyCreator(convertData(exampleData))","pinned":false,"hidden":false,"mode":"ojs"},{"id":707,"value":"md`## Data\n\nThe \\`convertData\\` function uses [Ramda](https://ramdajs.com/) to convert an array of source/target/value objects to an object that the \\`sankeyCreator\\` function understands.\n\nThe chart above uses the \\`exampleData\\` object as input for the \\`convertData\\` function, and passes the resulting object to the chart. \n\nYou can upload a csv with source/target/value columns below, and replace the example data with the \\`csvData\\` object created below.\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":705,"value":"exampleData = [{source: \"Barry\", target: \"Elvis\", value: \"2\"},\n{source: \"Frodo\", target: \"Elvis\", value: \"2\"},\n{source: \"Frodo\", target: \"Sarah\", value: \"2\"},\n{source: \"Barry\", target: \"Alice\", value: \"2\"},\n{source: \"Elvis\", target: \"Sarah\", value: \"2\"},\n{source: \"Elvis\", target: \"Alice\", value: \"2\"},\n{source: \"Sarah\", target: \"Alice\", value: \"4\"}]","pinned":false,"hidden":false,"mode":"ojs"},{"id":792,"value":"JSON.stringify(convertData(exampleData))","pinned":true,"hidden":false,"mode":"ojs"},{"id":528,"value":"convertData = data => {\n const sources = R.pluck('source')(data)\n const targets = R.pluck('target')(data)\n const uniqs = R.uniq(R.concat(sources, targets))\n const nodes = R.map(R.objOf('name'), uniqs)\n const nameToIndexEvolver = el => \n ({ \n source: R.indexOf(el.source, uniqs),\n target: R.indexOf(el.target, uniqs),\n value: el.value\n }) \n const links = R.map(el => nameToIndexEvolver(el), data)\n const graph = { nodes: nodes, links: links }\n return graph\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":744,"value":"convertData(exampleData)","pinned":true,"hidden":false,"mode":"ojs"},{"id":747,"value":"md`### Option to change data with source/target/value formatted csv`","pinned":false,"hidden":false,"mode":"ojs"},{"id":698,"value":"viewof f = html``","pinned":true,"hidden":false,"mode":"ojs"},{"id":700,"value":"csvData = d3.csvParse(await Files.text(f))","pinned":true,"hidden":false,"mode":"ojs"},{"id":777,"value":"md`### Same but with copy-pasted tab seperated data from Google Sheets`","pinned":false,"hidden":false,"mode":"ojs"},{"id":779,"value":"pastedData = `source\ttarget\tvalue\nBarry\tElvis\t2\nFrodo\tElvis\t2\nFrodo\tSarah\t2\nBarry\tAlice\t2\nElvis\tSarah\t2\nElvis\tAlice\t2\nSarah\tAlice\t4`","pinned":false,"hidden":false,"mode":"ojs"},{"id":783,"value":"dataPastedParsed = d3.tsvParse(pastedData)","pinned":true,"hidden":false,"mode":"ojs"},{"id":715,"value":"md`## Sankey functions\nThe \\`sankeyCreator\\` takes a data object and draws the Sankey chart with that data. Change the \\`format\\`, \\`color\\`, \\`width\\` and \\`height\\` cells to fit your needs.`","pinned":false,"hidden":false,"mode":"ojs"},{"id":11,"value":"$31","pinned":false,"hidden":false,"mode":"ojs"},{"id":22,"value":"sankey = {\n const sankey = d3.sankey()\n .nodeAlign(d3[`sankey${align[0].toUpperCase()}${align.slice(1)}`])\n .nodeWidth(15)\n .nodePadding(10)\n .extent([[1, 5], [width - 1, height - 5]])\n // .layout(0)\n return ({nodes, links}) => sankey({\n nodes: nodes.map(d => Object.assign({}, d)),\n links: links.map(d => Object.assign({}, d))\n });\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":13,"value":"format = {\n const f = d3.format(\",.0f\");\n return d => `${f(d)}`;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":16,"value":"color = {\n const color = d3.scaleOrdinal(d3.schemePastel2);\n return name => color(name.replace(/ .*/, \"\"));\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":95,"value":"width = 1200","pinned":true,"hidden":false,"mode":"ojs"},{"id":9,"value":"height = 600","pinned":true,"hidden":false,"mode":"ojs"},{"id":726,"value":"md` ## Library imports`","pinned":false,"hidden":false,"mode":"ojs"},{"id":7,"value":"d3 = require(\"d3@5\", \"d3-sankey@0.12\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":302,"value":"// Import Ramda\nR = require('//cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js')","pinned":false,"hidden":false,"mode":"ojs"},{"id":401,"value":"import {rasterize} from \"@mbostock/saving-svg\"","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W32","stdlib":"1","titling":"auto"}