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September 26, 2019 11:21
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| license: mit |
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| year | money | number | |
|---|---|---|---|
| 2005 | 550 | 35 | |
| 2006 | 600 | 40 | |
| 2007 | 700 | 45 | |
| 2008 | 800 | 60 | |
| 2009 | 900 | 70 | |
| 2010 | 850 | 65 | |
| 2011 | 880 | 67 | |
| 2012 | 900 | 70 | |
| 2013 | 1000 | 75 |
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| .bar1 { | |
| fill: steelblue; | |
| } | |
| .bar2 { | |
| fill: orange; | |
| } | |
| .tooltip { | |
| background: #eee; | |
| box-shadow: 0 0 5px #999999; | |
| color: #333; | |
| font-size: 12px; | |
| left: 130px; | |
| padding: 10px; | |
| position: absolute; | |
| text-align: center; | |
| top: 95px; | |
| z-index: 10; | |
| display: block; | |
| opacity: 0; | |
| } |
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| var margin = { top: 20, left: 50, bottom: 50, right: 50 }; | |
| var width = 960 - margin.left - margin.right; | |
| var height = 500 - margin.top - margin.bottom; | |
| var svg = d3 | |
| .select("body") | |
| .append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("class", "svg") | |
| .attr("transform", `translate(${margin.left}, ${margin.top})`); | |
| d3.tsv("data.tsv", d => { | |
| d.money = +d.money; | |
| return d; | |
| }).then(data => { | |
| var xScale = d3 | |
| .scaleBand() | |
| .domain(data.map(d => d.year)) | |
| .range([0, width]) | |
| .padding(0.07); | |
| var leftYScale = d3 | |
| .scaleLinear() | |
| .domain([0, d3.max(data, d => d.number)]) | |
| .range([height, 0]); | |
| var rightYScale = d3 | |
| .scaleLinear() | |
| .domain([0, d3.max(data, d => d.money)]) | |
| .range([height, 0]); | |
| var xAxis = svg | |
| .append("g") | |
| .attr("transform", `translate(0, ${height})`) | |
| .call(d3.axisBottom(xScale)); | |
| // adding axis label | |
| xAxis | |
| .append("text") | |
| .attr("transform", `translate(${width / 2}, ${height + margin.top + 20})`) | |
| .style("text-anchor", "middle") | |
| .text("Year"); | |
| var leftYAxis = svg | |
| .append("g") | |
| .attr("transform", "translate(0,0)") | |
| .call(d3.axisLeft(leftYScale)); | |
| // adding left axis label | |
| leftYAxis | |
| .append("text") | |
| .attr("transform", "rotate(-90)") | |
| .attr("y", 0 - margin.left) | |
| .attr("x", 0 - height / 2) | |
| .attr("dy", "1em") | |
| .style("text-anchor", "middle") | |
| .text("Number"); | |
| var rightYAxis = svg | |
| .append("g") | |
| .attr("transform", `translate(${width}, 0)`) | |
| .call(d3.axisRight(rightYScale)); | |
| var bars = svg | |
| .selectAll("bar") | |
| .data(data) | |
| .enter(); | |
| bars | |
| .append("rect") | |
| .attr("class", "bar1") | |
| .attr("x", d => xScale(d.year)) | |
| .attr("y", d => leftYScale(d.number)) | |
| .attr("width", xScale.bandwidth() / 2) | |
| .attr("height", d => height - leftYScale(d.number)); | |
| var tooltip = d3 | |
| .select("body") | |
| .append("div") | |
| .attr("class", "tooltip"); | |
| tooltip.append("div").attr("class", "yearTooltip"); | |
| tooltip.append("div").attr("class", "numberTooltip"); | |
| function barHover(d, i) { | |
| if (!d.year) return null; | |
| tooltip.select(".yearTooltip").html(`<b>${d.year}</b>`); | |
| tooltip.select(".numberTooltip").html(d.number); | |
| tooltip.style("display", "block"); | |
| tooltip.style("opacity", 5); | |
| } | |
| var event = svg | |
| .selectAll("bar1") | |
| .on("mouseover", barHover) | |
| .on("mousemove", function(d) { | |
| if (!d.month) return null; | |
| tooltip | |
| .style("top", d3.event.pageY + 10 + "px") | |
| .style("left", d3.event.pageX - 25 + "px"); | |
| }) | |
| .on("mouseout", () => { | |
| if (!d.year) return null; | |
| tooltip.style("display", "none"); | |
| tooltip.style("opacity", 0); | |
| }); | |
| bars | |
| .append("rect") | |
| .attr("class", "bar2") | |
| .attr("x", d => xScale(d.year) + xScale.bandwidth() / 2) | |
| .attr("y", d => rightYScale(d.money)) | |
| .attr("width", xScale.bandwidth() / 2) | |
| .attr("height", d => height - rightYScale(d.money)); | |
| }); | |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset='utf-8'> | |
| <title>d3 play ground</title> | |
| <link rel='stylesheet' href='dualScale.css'> | |
| <script src="https://d3js.org/d3.v5.js"></script> | |
| </head> | |
| <body> | |
| <script src="dualScale.js"></script> | |
| </body> | |
| </html> |
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