2b:null 2c:["$","title",null,{"children":"World History Timeline | JANNY GAO's Workspace | Observable"}] 31:T881,chart = { let filteredData; if(sorting !== "time") { filteredData = [].concat.apply([], dataByParent.map(d=>d.values)); } else { filteredData = data.sort((a,b)=> a.start-b.start); } filteredData.forEach(d=> d.color = d3.color(color(d.region))) let parent = this; if (!parent) { parent = document.createElement("div"); const svg = d3.select(DOM.svg(width, height)); const g = svg.append("g").attr("transform", (d,i)=>`translate(${margin.left} ${margin.top})`); const groups = g .selectAll("g") .data(filteredData) .enter() .append("g") .attr("class", "civ") const tooltip = d3.select(document.createElement("div")).call(createTooltip); const line = svg.append("line").attr("y1", margin.top-10).attr("y2", height-margin.bottom).attr("stroke", "rgba(0,0,0,0.2)").style("pointer-events","none"); groups.attr("transform", (d,i)=>`translate(0 ${y(i)})`) groups .each(getRect) .on("mouseover", function(d) { d3.select(this).select("rect").attr("fill", d.color.darker()) tooltip .style("opacity", 1) .html(getTooltipContent(d)) }) .on("mouseleave", function(d) { d3.select(this).select("rect").attr("fill", d.color) tooltip.style("opacity", 0) }) svg .append("g") .attr("transform", (d,i)=>`translate(${margin.left} ${margin.top-10})`) .call(axisTop) svg .append("g") .attr("transform", (d,i)=>`translate(${margin.left} ${height-margin.bottom})`) .call(axisBottom) svg.on("mousemove", function(d) { let [x,y] = d3.mouse(this); line.attr("transform", `translate(${x} 0)`); y +=20; if(x>width/2) x-= 100; tooltip .style("left", x + "px") .style("top", y + "px") }) parent.appendChild(svg.node()); parent.appendChild(tooltip.node()); parent.groups = groups; } else { const civs = d3.selectAll(".civ") civs.data(filteredData, d=>d.civilization) .transition() // .delay((d,i)=>i*10) .ease(d3.easeCubic) .attr("transform", (d,i)=>`translate(0 ${y(i)})`) } return parent }32:[{"id":"fcc0015cbe24eea265833239de543af33607f288cc9959f9ce4d0e2456b25dbaae5ff62a355704d879441905518bdbbeef0d13496346f63bfed61b07decbd0d3","href":"https://static.observableusercontent.com/files/fcc0015cbe24eea265833239de543af33607f288cc9959f9ce4d0e2456b25dbaae5ff62a355704d879441905518bdbbeef0d13496346f63bfed61b07decbd0d3","name":"civilization timelines - 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\n${d.region}\n
\n${formatDate(d.start)} - ${formatDate(d.end)}\n`\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":23,"value":"height = 1000","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":62,"value":"\n y= d3.scaleBand()\n .domain(d3.range(data.length))\n .range([0,height - margin.bottom - margin.top])\n .padding(0.2)\n","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2,"value":"x = d3.scaleLinear()\n .domain([d3.min(data, d => d.start), d3.max(data, d => d.end)])\n .range([0, width - margin.left - margin.right])\n","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4,"value":"margin = ({top: 30, right: 30, bottom: 30, left: 30})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":504,"value":"createTooltip = function(el) {\n el\n .style(\"position\", \"absolute\")\n .style(\"pointer-events\", \"none\")\n .style(\"top\", 0)\n .style(\"opacity\", 0)\n .style(\"background\", \"white\")\n .style(\"border-radius\", \"5px\")\n .style(\"box-shadow\", \"0 0 10px rgba(0,0,0,.25)\")\n .style(\"padding\", \"10px\")\n .style(\"line-height\", \"1.3\")\n .style(\"font\", \"11px sans-serif\")\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":308,"value":"getRect = function(d){\n const el = d3.select(this);\n const sx = x(d.start);\n const w = x(d.end) - x(d.start);\n const isLabelRight =(sx > width/2 ? sx+w < width : sx-w>0);\n\n el.style(\"cursor\", \"pointer\")\n\n el\n .append(\"rect\")\n .attr(\"x\", sx)\n .attr(\"height\", y.bandwidth())\n .attr(\"width\", w)\n .attr(\"fill\", d.color);\n\n el\n .append(\"text\")\n .text(d.civilization)\n .attr(\"x\",isLabelRight ? sx-5 : sx+w+5)\n .attr(\"y\", 2.5)\n .attr(\"fill\", \"black\")\n .style(\"text-anchor\", isLabelRight ? \"end\" : \"start\")\n .style(\"dominant-baseline\", \"hanging\");\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":76,"value":"dataByTimeline = d3.nest().key(d=>d.timeline).entries(data);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":319,"value":"dataByParent = d3.nest().key(d=>d.region).entries(data);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":124,"value":"axisBottom = d3.axisBottom(x)\n .tickPadding(2)\n .tickFormat(formatDate)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":271,"value":"axisTop = d3.axisTop(x)\n .tickPadding(2)\n .tickFormat(formatDate)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":272,"value":"formatDate = d=> d < 0 ? `${-d}BC` : `${d}AD`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":9,"value":"d3 = require(\"d3@5\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":6,"value":"csv =d3.csvParse(await FileAttachment(\"disneytime@1.csv\").text())","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":194,"value":"data = csv.map(d=>{\nreturn {\n ...d,\n start: +d.start,\n end: +d.end\n}\n}).sort((a,b)=> a.start-b.start);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":43,"value":"parents = d3.nest().key(d=>d.region).entries(data).map(d=>d.key)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":64,"value":"timelines = dataByTimeline.map(d=>d.key)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":45,"value":"color = d3.scaleOrdinal(d3.schemeSet2).domain(parents)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":338,"value":"import {checkbox, select} from \"@jashkenas/inputs\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":696,"value":"html`CSS`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W32","stdlib":"1","titling":"auto"}} 30:"$2f:body"