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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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body { |
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font: 10px sans-serif; |
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} |
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.axis path, |
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.axis line { |
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fill: none; |
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stroke: #000; |
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shape-rendering: crispEdges; |
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} |
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.dot { |
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stroke: #000; |
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} |
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#tooltip { |
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position: absolute; |
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width: 200px; |
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height: auto; |
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padding: 10px; |
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background-color: white; |
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-webkit-border-radius: 10px; |
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-moz-border-radius: 10px; |
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border-radius: 10px; |
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-webkit-box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4); |
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-moz-box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4); |
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box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4); |
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pointer-events: none; |
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} |
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#tooltip.hidden { |
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display: none; |
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} |
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#tooltip p { |
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margin: 0; |
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font-family: sans-serif; |
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font-size: 16px; |
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line-height: 20px; |
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} |
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</style> |
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<body> |
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<div id="tooltip" class="hidden"> |
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<p><span id="label">100</span></p> |
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</div> |
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<script src="http://d3js.org/d3.v3.min.js"></script> |
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<script> |
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var margin = {top: 20, right: 20, bottom: 20, left: 40}, |
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width = 960 - margin.left - margin.right, |
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height = 650 - margin.top - margin.bottom; |
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var x = d3.scale.linear() |
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.range([0, width]); |
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var y = d3.scale.linear() |
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.range([height, 0]); |
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var color = d3.scale.category10(); |
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var xAxis = d3.svg.axis() |
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.scale(x) |
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.orient("bottom"); |
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var yAxis = d3.svg.axis() |
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.scale(y) |
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.orient("left"); |
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var svg = d3.select("body").append("svg") |
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.attr("width", width + margin.left + margin.right) |
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.attr("height", height + margin.top + margin.bottom) |
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.append("g") |
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
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d3.tsv("data.tsv", function(error, data) { |
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data.forEach(function(d) { |
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d.date = +d.date; |
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d.weight = +d.weight; |
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d.delta = Math.random(); |
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}); |
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x.domain(d3.extent(data, function(d) { return d.date; })).nice(); |
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y.domain(d3.extent(data, function(d) { return d.weight; })).nice(); |
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var rx = d3.scale.linear().domain([1.0,5.0]).range([0,2*Math.PI]); |
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var ry = d3.scale.linear().domain([1.0,8.0]).range([50,300]); |
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cr = ry.ticks(7); |
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svg.selectAll("circle.line").data(cr) |
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.enter().append("circle").attr("class","line") |
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.attr({ |
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cx: width / 2 + margin.left, |
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cy: height / 2 + margin.top, |
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r: function(d) { return ry(d); }, |
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fill: "none", |
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stroke: "#999" |
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}); |
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svg.selectAll(".dot") |
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.data(data) |
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.enter().append("circle") |
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.attr("class", "dot") |
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.attr("r", 8) |
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.attr("cx", function(d) { |
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angle = rx((d.weight + d.delta)); |
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radius = ry((d.date)); |
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return Math.cos(angle) * radius + width / 2 + margin.left; |
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}) |
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.attr("cy", function(d) { |
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angle = rx((d.weight + d.delta)); |
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radius = ry((d.date)); |
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return Math.sin(angle) * radius + height / 2 + margin.top; |
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}) |
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.style("fill", function(d) { return 'white'; }) |
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.on('mouseover', function(d) { |
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var xPosition = parseFloat(d3.select(this).attr("cx")+ margin.left); |
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var yPosition = parseFloat(d3.select(this).attr("cy")+ margin.top); |
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//Update the tooltip position and value |
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d3.select("#tooltip") |
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.style("left", xPosition + "px") |
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.style("top", yPosition + "px") |
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.select("#label") |
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.text(d.label); |
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//Show the tooltip |
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d3.select("#tooltip").classed("hidden", false); |
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}) |
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.on('mouseout', function(d) { |
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d3.select("#tooltip").classed("hidden", true); |
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}); |
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}); |
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</script> |
