D3

Load a TSV with D3

by Yannick Portier

HTML

<script src="https://dl.dropboxusercontent.com/u/285608/Miscellaneous/JS%20Libraries/d3/data.js"></script>
<svg class="chart"></svg>

CSS

.bar {
    fill: steelblue;
}
.axis text {
    font: 10px sans-serif;
}
.axis path, .axis line {
    fill: none;
    stroke: #000;
    shape-rendering: crispEdges;
}
.x.axis path {
    display: none;
}

JavaScript

var margin = {
    top: 20,
    right: 30,
    bottom: 30,
    left: 40
},
var width = 960 - margin.left - margin.right,
var height = 500 - margin.top - margin.bottom;

var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], 0.1);
var y = d3.scale.linear()
    .range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");
var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");

var chart = d3.select(".chart")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var data_tsv = function() {
    return "" + 
        "letter	frequency\n" +
        "A	.08167\n" +
        "B	.01492\n" +
        "C	.02782\n" +
        "D	.04253\n" +
        "E	.12702\n" +
        "F	.02288\n" +
        "G	.02015\n" +
        "H	.06094\n" +
        "I	.06966\n" +
        "J	.00153\n" +
        "K	.00772\n" +
        "L	.04025\n" +
        "M	.02406\n" +
        "N	.06749\n" +
        "O	.07507\n" +
        "P	.01929\n" +
        "Q	.00095\n" +
        "R	.05987\n" +
        "S	.06327\n" +
        "T	.09056\n" +
        "U	.02758\n" +
        "V	.00978\n" +
        "W	.02360\n" +
        "X	.00150\n" +
        "Y	.01974\n" +
        "Z	.00074";
};

d3.tsv(data_tsv, type, function (error, data) {
    x.domain(data.map(function (d) {
        return d.name;
    }));
    y.domain([0, d3.max(data, function (d) {
        return d.value;
    })]);

    chart.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis);

    chart.append("g")
        .attr("class", "y axis")
        .call(yAxis);

    chart.selectAll(".bar")
        .data(data)
        .enter().append("rect")
        .attr("class", "bar")
        .attr("x", function (d) {
        return x(d.name);
    })
        .attr("y", function (d) {
        return y(d.value);
    })
       ...