2d:null 2e:["$","title",null,{"children":"Hurricanes - Strength over four decades | SM | Observable"}] 33:Tb1a,chart = { const svg = d3 .create('svg') .attr('viewBox', [0, 0, width, noSplitHeight + margin.top + margin.bottom]); const wrapper = svg .append('g') .attr('transform', `translate(${margin.left}, ${margin.top})`); // Add x-Axis wrapper.append('g').call(xAxis); // Add median distance const medianLine = wrapper .append('line') .attr('x1', x(median)) .attr('x2', x(median)) .attr('y1', 10) .attr('y2', noSplitHeight) .attr('stroke', '#ccc'); // Add median text const medianText = wrapper .append('text') .attr('x', x(median) - 90) .attr('y', 25) .attr('font-size', '11px') .text('Median max-wind'); // add yAxis const yAxisContainer = wrapper .append('g') .attr('transform', `translate(-10,0)`); const circles = wrapper .append('g') .attr('className', 'circles') .selectAll('circle') .data(throwing) .join('circle') .attr('r', d => r(d.size)) .attr('fill', d => color(d.distance)) .attr('x', d => x(d.distance)) .attr('y', d => y(d.year) + y.bandwidth() / 2); // .attr('stroke', 'purple'); // d3.timeout(() => { // for (var i = 0, n = Math.ceil(Math.log(force.alphaMin()) / // Math.log(1 - force.alphaDecay())); i < n; ++i) { // force.tick(); // circles // .attr('cx', d => d.x) // .attr('cy', d => d.y); // } // }) force.on('tick', () => { circles .transition() .ease(d3.easeLinear) .attr('cx', d => d.x) .attr('cy', d => d.y); }); invalidation.then(() => force.stop()); return Object.assign(svg.node(), { update(split) { let height = split ? splitHeight : noSplitHeight; let years = [...yearGroups.keys()].sort(); // Update height of svg object const t = d3.transition().duration(750); svg.transition(t).attr('viewBox', [0, 0, width, height]); // Update domain of y-Axis y.domain(split ? years : ['All']); y.range( split ? [splitHeight - margin.top - margin.bottom, 0] : [noSplitHeight - margin.top - margin.bottom, 0] ); yAxisContainer .call(yAxis, y, split ? years : ['All']) .call(g => g.select('.domain').remove()) .call(g => g.selectAll('.tick line').remove()); // Update simulation force.force( 'y', split ? d3.forceY(d => y(d.year) + y.bandwidth() / 2) // If split by year align by year : d3.forceY((noSplitHeight - margin.top - margin.bottom) / 2) ); // If not split align to middle //force.nodes(throwing); force.alpha(1).restart(); // Update median line medianLine .transition(t) .attr('y2', split ? splitHeight - 20 : noSplitHeight); } }); }34:[{"id":"b4502b86780dd39b85b28cd2a6052d84c2c77994b083075a83c54352a5836650ddbc788db7a06a6e0f295a8a5b8e05b337dcfc0d484ba76e90d7f3ee340a9247","href":"https://static.observableusercontent.com/files/b4502b86780dd39b85b28cd2a6052d84c2c77994b083075a83c54352a5836650ddbc788db7a06a6e0f295a8a5b8e05b337dcfc0d484ba76e90d7f3ee340a9247","name":"atlantic_cleaned.csv","type":"text/csv","lastModified":1607987254442.144,"size":15890}] 31:{"id":"3a197554da433e42","slug":"hurricanes-split-by-year-and-magnitude","title":"Hurricanes - Strength over four decades","thumbnail":"9b1bd8f33e455ccf106c1e44e39f4b391e529fcf54939ae171332e246d87c3a4","access_level":"public","create_time":"$D2020-12-14T23:06:38.002Z","update_time":"$D2020-12-15T01:43:52.169Z","view_time":null,"first_public_time":"$D2020-12-14T23:25:27.388Z","has_unpublished_edits":null,"fork":{"id":"4313acec215d2def","slug":"bubble-chart-split-my-running-by-year","title":"Bubble Chart - Split Olympics Shot put Scores by Year","owner":{"id":"d7f85b5fd11b913c","login":"jett","name":"Jett"}},"stars":2,"starred":false,"owner":{"type":"team","id":"e3eca22606dc0070","login":"shmanzar","name":"SM","avatar_url":"https://avatars-next.observableusercontent.com/70aaf27c1e67e91e96040824f87cb1bc99ac3a19bc20603559a1447ad1a563d3","tier":"starter_2024"},"version":589,"publish_version":589,"role":null,"authored":false,"authors":[{"type":"individual","id":"77eb10b1a0812845","login":"shmanzar","name":"SM","avatar_url":"https://avatars-next.observableusercontent.com/70aaf27c1e67e91e96040824f87cb1bc99ac3a19bc20603559a1447ad1a563d3","tier":null}],"members":[{"type":"individual","id":"77eb10b1a0812845","login":"shmanzar","name":"SM","avatar_url":"https://avatars-next.observableusercontent.com/70aaf27c1e67e91e96040824f87cb1bc99ac3a19bc20603559a1447ad1a563d3","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"title":"Hurricanes - Strength over four decades","cells":[{"id":0,"value":"md`# Hurricanes - Strength over four decades`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":296,"value":"md`Data :NOAA
\nCode origin:https://observablehq.com/@ch-bu/bubble-chart-split-my-running-by-year and https://observablehq.com/@jett/bubble-chart-split-my-running-by-year.\n\nThe chart visualizes how the strength of hurricanes on the eastern seaboard has varied over the last 40 years.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":463,"value":"md`x axis: Maximum Wind
\n y axis: Year
\n size: Minimum pressure`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":89,"value":"viewof split = {\n // https://observablehq.com/@mbostock/form-input\n const form = html``;\n form.oninput = () =>\n (form.value =\n Array.from(form.querySelectorAll(\"input\")).find(d => d.checked).value ===\n \"1\");\n form.oninput();\n return form;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":10,"value":"$33","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":491,"value":"median = d3.median(throwing, d => d.distance)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":500,"value":"md`Height of wrapper of bubble chart when not split.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":186,"value":"noSplitHeight = 500","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":497,"value":"md`Height of wrapper of bubble chart when split`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":406,"value":"splitHeight = 900","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":504,"value":"md`The update function is called whenever a user changes between the split and the non-split format (see radio buttons above).`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":101,"value":"chart.update(split);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":63,"value":"force = d3\n .forceSimulation(throwing)\n .force('charge', d3.forceManyBody().strength(0))\n .force('x', d3.forceX().x(d => x(d.distance)))\n .force('y', d3.forceY(d => y(d.year)))\n .force('collision', d3.forceCollide().radius(d => r(d.size) + 1))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":509,"value":"md`We need groups in order to change the values of the y-axis. If we split the bubbles, the y-axis displays these years: [...yearGroups.keys()].sort().`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":47,"value":"groups = d3.group(throwing, d => d.year)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":44,"value":"x = d3\n .scaleLinear()\n .domain(d3.extent(throwing, d => d.distance))\n .range([0, innerWidth])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":53,"value":"y = d3\n .scaleBand()\n .domain(['All'])\n .range([noSplitHeight, 0])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":72,"value":"r = d3\n .scaleSqrt()\n .domain(d3.extent(throwing, d => d.size))\n .range([4, 10])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":56,"value":"xAxis = g =>\n g\n .call(d3.axisTop(x).tickFormat(d => `${d} mph`))\n .call(g => g.select('.domain').remove())\n .call(g =>\n g\n .append('text')\n .attr('x', 120)\n .attr('y', 5)\n .attr('font-weight', 'bold')\n .attr('fill', 'currentColor')\n .attr('text-anchor', 'end')\n .text('How have hurricane strengths shifted →')\n )","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":79,"value":"yAxis = g =>\n g\n .call(d3.axisLeft(y).ticks(8))\n .call(g => g.select('.domain').remove())\n .call(g => g.selectAll('.tick line').remove())","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":229,"value":"color = d3.scaleSequential(\n d3.extent(throwing, d => d.distance),\n d3.interpolatePuBuGn\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":23,"value":"innerWidth = width - margin.left - margin.right","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":16,"value":"margin = ({ top: 30, right: 30, left: 120, bottom: 30 })","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":5,"value":"md`## Libraries and data`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":121,"value":"yearGroups = d3.group(throwing, d => d.year)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":31,"value":"throwing = d3.csvParse(\n await FileAttachment('atlantic_cleaned.csv').text(),\n d => {\n return {\n year: +d.Date.substring(0, 4),\n size: +d[\"Minimum Pressure\"],\n distance: +d['Maximum Wind']\n };\n }\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":8,"value":"d3 = require('d3@5', 'd3-array@^2.2', 'dayjs')","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W34","stdlib":"1","titling":"auto"}} 32:"$31:body"