A visualization to see range of a metric over time or so.
Last active
January 29, 2017 04:57
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Horizontal Floating Bar Chart
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| license: MIT |
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Horizontal Floating (Span) Chart</title> | |
| <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js"></script> | |
| <link rel="stylesheet" type="text/css" href="style.css"/> | |
| </head> | |
| <body> | |
| </body> | |
| <script type="text/javascript" src="main.js"></script> | |
| </html> | |
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| var data=[ | |
| {"month": "January", "to": 4,"from": -3}, | |
| {"month": "February", "to": 5,"from": -2}, | |
| {"month": "March", "to": 10,"from": 2}, | |
| {"month": "April", "to": 16,"from": 7}, | |
| {"month": "May", "to": 22,"from": 12}, | |
| {"month": "June", "to": 26,"from": 18}, | |
| {"month": "July", "to": 30,"from": 20}, | |
| {"month": "August", "to": 28,"from": 20}, | |
| {"month": "September", "to": 24,"from": 16}, | |
| {"month": "October", "to": 18,"from": 10}, | |
| {"month": "November", "to": 12,"from": 5}, | |
| {"month": "December", "to": 6,"from": 0} | |
| ] | |
| var margin = {top: 50, right: 50, bottom: 50, left: 100}, | |
| width = 900 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var y = d3.scale.ordinal() | |
| .rangeRoundBands([0, height], .08); | |
| var x = d3.scale.linear() | |
| .range([0,width]); | |
| y.domain(data.map(function(d) { return d.month; })); | |
| x.domain([d3.min(data,function(d){return d.from;}), d3.max(data,function(d){return d.to;})]); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom") | |
| .ticks(15); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient("left"); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis) | |
| .append("text") | |
| .attr("x", width-75) | |
| .attr("dx", ".71em") | |
| .attr("dy", "-.71em") | |
| .text("Temperatures (C)"); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis); | |
| svg.selectAll(".bar") | |
| .data(data) | |
| .enter().append("rect") | |
| .attr("class", "bar") | |
| .attr("y", function(d) { return y(d.month); }) | |
| .attr("height", y.rangeBand()) | |
| .attr("x", function(d) { return x(d.from); }) | |
| .attr("width", function(d) { return x(d.to)-x(d.from) }); | |
| // add legend | |
| var legend = svg.append("g") | |
| .attr("class", "legend") | |
| legend | |
| .append("rect") | |
| .attr("x", width-margin.left) | |
| .attr("y", -10) | |
| .attr("width", 10) | |
| .attr("height", 10) | |
| .style("fill", function(d) { | |
| return '#3498db'; | |
| }) | |
| legend | |
| .append("text") | |
| .attr("x", width-margin.left+15) | |
| .attr("y", 0) | |
| .text("New York City"); | |
| var tooltip = d3.select("body") | |
| .append('div') | |
| .attr('class', 'tooltip'); | |
| tooltip.append('div') | |
| .attr('class', 'month'); | |
| tooltip.append('div') | |
| .attr('class', 'tempRange'); | |
| svg.selectAll(".bar") | |
| .on('mouseover', function(d) { | |
| tooltip.select('.month').html("<b>" + d.month + "</b>"); | |
| tooltip.select('.tempRange').html(d.from + "℃ to " + d.to + "℃"); | |
| tooltip.style('display', 'block'); | |
| tooltip.style('opacity',2); | |
| }) | |
| .on('mousemove', function(d) { | |
| tooltip.style('top', (d3.event.layerY + 10) + 'px') | |
| .style('left', (d3.event.layerX - 25) + 'px'); | |
| }) | |
| .on('mouseout', function() { | |
| tooltip.style('display', 'none'); | |
| tooltip.style('opacity',0); | |
| }); |
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| .bar { | |
| fill: #3498db; | |
| } | |
| .bar:hover { | |
| fill: #2ecc71; | |
| } | |
| .axis { | |
| font: 10px sans-serif; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .legend { | |
| padding: 5px; | |
| font: 10px sans-serif; | |
| background: yellow; | |
| box-shadow: 2px 2px 1px #888; | |
| } | |
| .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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