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forked from ritchieking's block: Axis formats based on width
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April 29, 2016 20:57
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Axis formats based on width
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .axis text { | |
| font: 10px sans-serif; | |
| } | |
| .axis line, | |
| .axis path { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| </style> | |
| <body> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script src="https://d3js.org/d3-time.v0.2.min.js"></script> | |
| <script src="https://d3js.org/d3-time-format.v0.3.min.js"></script> | |
| <script> | |
| Object.assign(d3, d3_time_format); | |
| Object.assign(d3, d3_time); | |
| var formatMillisecond = {long: ".%L", short: ".%L"}, | |
| formatSecond = {long: ":%S", short: ":%S"}, | |
| formatMinute = {long: "%I:%M", short: "%I:%M"}, | |
| formatHour = {long: "%I %p", short: "%I %p"}, | |
| formatDay = {long: "%a %d", short: "%a %d"}, | |
| formatWeek = {long: "%b %d", short: "%b %d"}, | |
| formatMonth = {long: "%B", short: "%b"}, | |
| formatYear = {long: "%Y", short: "'%y"}; | |
| function multiFormat (size) { | |
| return function (date) { | |
| return (d3.timeSecond(date) < date ? d3.timeFormat(formatMillisecond[size]) | |
| : d3.timeMinute(date) < date ? d3.timeFormat(formatSecond[size]) | |
| : d3.timeHour(date) < date ? d3.timeFormat(formatMinute[size]) | |
| : d3.timeDay(date) < date ? d3.timeFormat(formatHour[size]) | |
| : d3.timeMonth(date) < date ? (d3.timeWeek(date) < date ? d3.timeFormat(formatDay[size]) : d3.timeFormat(formatWeek[size])) | |
| : d3.timeYear(date) < date ? d3.timeFormat(formatMonth[size]) | |
| : d3.timeFormat(formatYear[size]))(date); | |
| } | |
| } | |
| var margin = {top: 250, right: 40, bottom: 250, left: 40}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var x = d3.time.scale() | |
| .domain([new Date(2012, 0, 1), new Date(2013, 0, 1)]) | |
| .range([0, width]); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .tickFormat(multiFormat('short')); | |
| 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 + ")"); | |
| var axis = svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis); | |
| </script> |
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