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October 13, 2017 16:07
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Simple D3 Percentage Gauge Responsive
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| license: mit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> | |
| <link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet"> | |
| <style> | |
| .middle-text { | |
| fill: black; | |
| font-family: 'Roboto', sans-serif; | |
| } | |
| </style> | |
| <script> | |
| $(document).ready(function () { | |
| buildSVG = function (value1, value2) { | |
| $('svg').remove(); | |
| var w = 150, h = 150; | |
| var w = $(document).width(); | |
| var OnePercent = (w/100 * 1); | |
| var margin = OnePercent; | |
| var w = w - margin - margin; | |
| var h = w / 2; | |
| var outerRadius = (w / 2) - (OnePercent * 5); | |
| var innerRadius = (w / 2) - (OnePercent * 1); | |
| var color = ['#e0e0e0', '#eb3323']; | |
| var ammount = value1; | |
| var total = value2; | |
| var percent = (ammount / total) * 100; | |
| var ratio = percent / 100; | |
| var piePercent = Math.PI * ratio; | |
| var arc = d3.arc() | |
| .innerRadius(innerRadius) | |
| .outerRadius(outerRadius) | |
| .startAngle(0) | |
| .endAngle(Math.PI); | |
| var arcLine = d3.arc() | |
| .innerRadius(innerRadius) | |
| .outerRadius(outerRadius) | |
| .startAngle(0) | |
| .endAngle(piePercent); | |
| var svg = d3.select("#chart") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h) | |
| .append('g') | |
| .attr("transform", 'translate(' + w / 2 + ',' + h + ')'); | |
| var path = svg.append('path') | |
| .attr("d", arc) | |
| .attr("transform", 'rotate(-90)') | |
| .attr("fill", color[0]); | |
| var path2 = svg.append('path') | |
| .attr("d", arcLine) | |
| .attr("transform", 'rotate(-90)') | |
| .attr("fill", color[1]); | |
| var middleCount = svg.append('text') | |
| .text(Math.round(percent) + "%") | |
| .attr("class", "middle-text") | |
| .attr('text-anchor', 'middle') | |
| .attr('dy', -OnePercent / 2) | |
| .attr('font-size', OnePercent * 25 + 'px') | |
| } | |
| // Just needed to cycle over some test values. | |
| var values = [ | |
| { | |
| lower: 0, | |
| upper: 1000 | |
| }, | |
| { | |
| lower: 22, | |
| upper: 1000 | |
| }, | |
| { | |
| lower: 200, | |
| upper: 1000 | |
| }, | |
| { | |
| lower: 3.5, | |
| upper: 10 | |
| }, | |
| { | |
| lower: 5000, | |
| upper: 10000 | |
| }, | |
| { | |
| lower: 820, | |
| upper: 1000 | |
| }, | |
| { | |
| lower: 1000, | |
| upper: 1000 | |
| } | |
| ] | |
| var i = -1; | |
| setInterval(function () { | |
| i = i === (values.length - 1) ? -1 : i; | |
| i++; | |
| buildSVG(values[i].lower, values[i].upper); | |
| }, 1000); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <div id="chart"></div> | |
| </body> | |
| </html> |
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