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 valuesForXAxis = data1.map(function (d){return d.date}); 
  
  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(data1,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 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);

  svg.append("g")
    .attr("class", "y axis")
    .attr("fill","steelblue")
    .call(yAxis);
  
  var pathDatum = svg.append("path")
    .datum(data1)
    .attr("class", "line")
    .attr("d", line);