D3 Examples - ggplot2-Style Axis

ggplot2-Style Axis

These axes are styled in the manner of ggplot2, a plotting system for R. Two d3.svg.axis instances are used: one for the gray grid lines, and one for the black ticks and labels below the bottom of the chart area. The exit selection of a data-join is used to customize the appearance of minor ticks.

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
body {
  font: 10px sans-serif;
  shape-rendering: crispEdges;
}
​
.grid-background {
  fill: #bfbfbf;
}
​
.grid line {
  stroke: #000000;
}
​
.grid .minor line {
  stroke-opacity: .5;
}
​
.grid text {
  display: none;
}
​
.axis line {
  stroke: #000000;
}
​
.axis path,
.grid path {
  display: none;
}
​
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
​
var margin = {top: 200, right: 10, bottom: 200, left: 10},
    width = 1000 - margin.right - margin.left, //length of the ruler
    height = 500 - margin.top - margin.bottom; //height of the ruler
​
  
var x = d3.scale.linear()
    .domain([0, 10]) //changes scale of axis
    .range([0, width]); //where first tick mark starts a
  
var xnew = d3.scale.linear()
    .domain([0,10])
    .range([50, width + 50]);
  
var y = d3.scale.linear()
    .range([0, height]);
​
var svg = d3.select("body").append("svg")
    .attr("width", width + margin.right + margin.left)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); //placement of ruler
​
svg.append("rect") //creates a rectangle
    .attr("class", "grid-background")
    .attr("width", width)
    .attr("height", height);
​
svg.append("g")
    .attr("class", "grid")
    .attr("transform", "translate(0," + height + ")") //transforms where tick marks start
    .call(d3.svg.axis().scale(x).ticks(20).tickSize(-height)) 
    .call(d3.svg.axis().scale(x).ticks(100).tickSize(-12)) //number and height of white ticks
    .call(d3.svg.axis().scale(x).ticks(100).tickSize(-12))
  .selectAll(".tick")
    .data(x.ticks(10), function(d) { return d; })
  .exit()
    .classed("minor", true);
​
svg.append("g")
    .attr("class", "grid")
    .attr("transform", "translate(0," +  + ")") //transforms where tick marks start
    .call(d3.svg.axis().scale(xnew).ticks(10).tickSize(12))  
  
svg.append("g")
    .attr("class", "axis")
    .attr("transform", "translate(0," + height + ")") //moves axis labels on x and y axis
    .call(d3.svg.axis().scale(x).ticks(10).tickFormat('')); //divides axis
​
</script>
​
    