2b:null 2c:["$","title",null,{"children":"Horizon Chart test | Víctor Pascual | Observable"}] 31:T417,chart = { const svg = d3.create("svg") .attr("viewBox", [0, 0, width, height]) .style("font", "10px sans-serif"); const g = svg.append("g") .selectAll("g") .data(data) .join("g") .attr("transform", (d, i) => `translate(0,${i * (step + 1) + margin.top})`); g.append("clipPath") .attr("id", d => (d.clip = DOM.uid("clip")).id) .append("rect") .attr("width", width) .attr("height", step); g.append("defs").append("path") .attr("id", d => (d.path = DOM.uid("path")).id) .attr("d", d => area(d.values)); g.append("g") .attr("clip-path", d => d.clip) .selectAll("use") .data(d => new Array(overlap).fill(d)) .join("use") .attr("fill", (d, i) => color(i)) .attr("transform", (d, i) => `translate(0,${(i + 1) * step})`) .attr("xlink:href", d => d.path.href); g.append("text") .attr("x", 4) .attr("y", step / 2) .attr("dy", "0.35em") .text(d => d.key); svg.append("g") .call(xAxis); return svg.node(); }32:[] 2f:{"id":"ae20d735ab019c7d","slug":"horizon-chart-test","title":"Horizon Chart test","thumbnail":"662ebc324a4f1b600fcd1ae47b0d53fb14d3ad1d027c4e47bc9741f845792cf2","access_level":"public","create_time":"$D2019-07-03T08:38:35.482Z","update_time":"$D2019-07-10T17:51:47.125Z","view_time":null,"first_public_time":"$D2019-07-03T09:32:36.925Z","fork":true,"stars":0,"starred":false,"owner":{"type":"team","id":"9140f0838d171de0","login":"vpascual","name":"Víctor Pascual","avatar_url":"https://avatars-next.observableusercontent.com/153c0f1e34b01ae9f0eca434a5b3ae760f40f547c7e56b41e13429bed0609999","tier":"starter_2024"},"version":428,"publish_version":428,"role":null,"authored":false,"authors":[{"type":"individual","id":"73b83c7ba3998551","login":"vpascual","name":"Víctor Pascual","avatar_url":"https://avatars-next.observableusercontent.com/153c0f1e34b01ae9f0eca434a5b3ae760f40f547c7e56b41e13429bed0609999","tier":null}],"members":[{"type":"individual","id":"73b83c7ba3998551","login":"vpascual","name":"Víctor Pascual","avatar_url":"https://avatars-next.observableusercontent.com/153c0f1e34b01ae9f0eca434a5b3ae760f40f547c7e56b41e13429bed0609999","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":1,"collection":null,"type":"notebook","body":{"title":"Horizon Chart test","cells":[{"id":0,"value":"md`# Horizon Chart test\n\nHorizon charts are an alternative to [ridgeline plots](/@d3/ridgeline-plot) and small-multiple area charts that allow greater precision for a given vertical space by using colored bands. These charts can also be used with diverging color scales to [differentiate positive and negative values](/@d3/horizon-chart-ii).`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":285,"value":"viewof scheme = html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":159,"value":"viewof overlap = {\n const form = html``;\n form.i.oninput = () => form.o.value = `${form.value = form.i.valueAsNumber} band${form.i.valueAsNumber === 1 ? \"\" : \"s\"}`;\n form.i.oninput();\n return form;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":14,"value":"$31","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":43,"value":"height = data.length * (step + 1) + margin.top + margin.bottom","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":45,"value":"margin = ({top: 30, right: 10, bottom: 0, left: 10})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":227,"value":"step = 23","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":234,"value":"color = i => d3[scheme][Math.max(3, overlap)][i + Math.max(0, 3 - overlap)]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":38,"value":"x = d3.scaleUtc()\n .domain([new Date(2019, 0, 1), new Date(2019, 11, 31)])\n //.domain([data[0].values[0].date, data[0].values[data[0].values.length - 1].date])\n .range([0, width])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":405,"value":"[new Date(2019, 0, 1), new Date(2019, 11, 31)]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":67,"value":"y = d3.scaleLinear()\n .domain([0, d3.max(data, d => d3.max(d.values, d => d.value))])\n .range([0, -overlap * step])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":52,"value":"xAxis = g => g\n .attr(\"transform\", `translate(0,${margin.top})`)\n .call(d3.axisTop(x).ticks(width / 80).tickSizeOuter(0))\n .call(g => g.selectAll(\".tick\").filter(d => x(d) < margin.left || x(d) >= width - margin.right).remove())\n .call(g => g.select(\".domain\").remove())","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":57,"value":"area = d3.area()\n .curve(d3.curveBasis)\n .defined(d => !isNaN(d.value))\n .x(d => x(d.date))\n .y0(0)\n .y1(d => y(d.value))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":5,"value":"data = {\n const data = await \n \n d3.csv(\"https://gist.githubusercontent.com/vpascual/a3638e4e8b5731380ece3012661bad6c/raw/2892f1ca7c664ff2a70503ad72bd6a9e26c5c184/Data_horizon_chart.csv\", ({Country, value, date}) => ({name: Country, date: new parseTime(date), value: +value}));\n //d3.csv(\"https://gist.githubusercontent.com/chrtze/c74efb46cadb6a908bbbf5227934bfea/raw/c32d94689dd432609c55d1758d8e69c59f94f802/traffic_weekly.csv\", ({name, date, total_1, total_2}) => ({name, date: new Date(date * 1000), value: +total_1 + +total_2}));\n return d3.nest()\n .key(d => d.name)\n .sortValues((a, b) => a.date - b.date)\n .entries(data)\n .map(d => (d.sum = d3.sum(d.values, d => d.value), d))\n .sort((a, b) => b.sum - a.sum);\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":416,"value":"parseTime = d3.timeParse(\"%d/%m/%Y\");","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":7,"value":"d3 = require(\"d3@5\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W32","stdlib":"1","titling":"auto"}} 30:"$2f:body"