Created
February 17, 2012 18:41
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .axis text { | |
| font: 10px sans-serif; | |
| } | |
| .axis path, .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://mbostock.github.com/d3/d3.js?2.7.4"></script> | |
| <script src="http://mbostock.github.com/d3/d3.time.js?2.7.4"></script> | |
| <script> | |
| function daysInMonth(month,year) { | |
| var m = [31,28,31,30,31,30,31,31,30,31,30,31]; | |
| if (month != 2) return m[month - 1]; | |
| if (year%4 != 0) return m[1]; | |
| if (year%100 == 0 && year%400 != 0) return m[1]; | |
| return m[1] + 1; | |
| } | |
| function d3_time_range(floor, step, number) { | |
| return function(t0, t1, dt) { | |
| var time = floor(t0), times = []; | |
| if (time < t0) step(time); | |
| if (dt > 1) { | |
| while (time < t1) { | |
| var date = new Date(+time); | |
| if (!(number(date) % dt)) times.push(date); | |
| step(time); | |
| } | |
| } else { | |
| while (time < t1) times.push(new Date(+time)), step(time); | |
| } | |
| return times; | |
| }; | |
| } | |
| d3.time.monthEnd = function(date) { | |
| return new Date(date.getFullYear(), date.getMonth(), 0); | |
| }; | |
| d3.time.monthEnds = d3_time_range(d3.time.monthEnd, function(date) { | |
| date.setDate(date.getDate() + 1); | |
| date.setDate(daysInMonth(date.getMonth() + 1, date.getFullYear())); | |
| }, function(date) { | |
| return date.getMonth(); | |
| }); | |
| var margin = {top: 10, right: 40, bottom: 40, left: 40}, | |
| width = 960 - margin.left - margin.right, | |
| height = 80 - margin.top - margin.bottom; | |
| var x = d3.time.scale() | |
| .domain([new Date(2012, 0, 1), new Date(2012, 11, 31)]) | |
| .range([0, width]); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom") | |
| //.ticks(d3.time.months) | |
| .ticks(d3.time.monthEnds) | |
| .tickSize(16, 0) | |
| .tickFormat(d3.time.format("%x")); | |
| //.tickFormat(d3.time.format("%B")); | |
| 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) | |
| .selectAll("text") | |
| .attr("text-anchor", "middle") | |
| //.attr("text-anchor", "start") | |
| .attr("x", 0) | |
| .attr("y", 18); | |
| </script> |
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