Customized Time Axis with gaps

by ee2todev

HTML

<pre id="data">
date,value
1/2/15,109.33
1/5/15,106.25
1/6/15,106.26
1/7/15,107.75
1/8/15,111.89
1/9/15,112.01
1/12/15,109.25
1/13/15,110.22
</pre>

CSS

body {
      font: 10px sans-serif;
    }

    .axis path,
    .axis line {
      fill: none;
      stroke: #000;
      shape-rendering: crispEdges;
    }

    .line {
      fill: none;
      stroke: steelblue;
      stroke-width: 1.5px;
    
    } 
    pre#data {
      display: none;
    }

JavaScript

var data1 = d3.csv.parse( d3.select("pre#data").text());   
  var parseDate = d3.time.format("%m/%d/%Y").parse;
  var valuesForXAxis = data1.map(function (d){return parseDate(d.date)}); 
  var data2 = data1.map(function (d){return {date:parseDate(d.date),value:d.value}}); 
  
  var margin = {top: 40, right: 20, bottom: 40, left: 85},
          width = 600,height = 450;
          
  var x = d3.scale.ordinal().domain(valuesForXAxis)
    .rangePoints([0,width]);
    
  var y = d3.scale.linear().domain([0, d3.max(data2,function (d,i){return d.value})])
    .range([height,0]);
    
  var xAxis = d3.svg.axis().scale(x).orient("bottom")
    .tickValues(valuesForXAxis); 
  var yAxis = d3.svg.axis().scale(y).orient("left");

  var myLocale = d3.locale({
    "decimal": ".",
    "thousands": ",",
    "grouping": [3],
    "currency": ["$", ""],
    "dateTime": "%a %b %e %X %Y",
    "date": "%m/%d/%Y",
    "time": "%H:%M:%S",
    "periods": ["AM", "PM"],
    "days": ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
    "shortDays": ["So", "Mo", "Di", "Mi", "Do", "Fr", "Sa"],
    "months": ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
    "shortMonths": ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
  });    
  xAxis.tickFormat(myLocale.timeFormat('%a, %d.%m.'));
  
  var line = d3.svg.line()
         .x(function(d) { return x(d.date); })
         .y(function(d) { return y(d.value); })
         .interpolate("cardinal");

  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 + ")")
    .attr("fill","steelblue")
    .call(xAxis);

 ...