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<!DOCTYPE html>
<html>
<head>
<meta name="description" content="SVG Bar Chart-TSV-Column-Axis">
<script src="http://d3js.org/d3.v3.min.js"></script>
  <meta charset="utf-8">
  <title>Let's Make Bar Chart</title>
</head>
<body>
<style>
​
.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;
}
​
</style>
<svg class="chart"></svg>
</body>
</html>
 
var margin = {top: 20, right: 30, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
​
// Scale
var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], 0.1);
var y = d3.scale.linear()
    .range([height, 0]);
​
// Axis
var xAxis = d3.svg.axis()
        .scale(x)
        .orient("bottom");
var yAxis = d3.svg.axis()
        .scale(y)
        .orient("left")
        .ticks(10, "%");
​
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 + ")");
​
d3.tsv("https://raw.githubusercontent.com/mobiconsoft/d3_practice/master/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; })]);
​
  // x Axis
  chart.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);
  
  // y Axis
  chart.append("g")
    .attr("class", "y axis")
    .call(yAxis);  
  
  // draw column
  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); })
    .attr("height", function(d) { return height - y(d.value); })
    .attr("width", x.rangeBand());
  
// 기존 코드 
//  var bar = chart.selectAll("g")
//       .data(data)
//     .enter().append("g")
//       .attr("transform", function(d) { return "translate(" + x(d.name) + ",0)"; });
​
//   bar.append("rect")
//       .attr("y", function(d) { return y(d.value); })
//       .attr("height", function(d) { return height - y(d.value); })
//       .attr("width", x.rangeBand());
​
//   bar.append("text")
//       .attr("x", x.rangeBand() / 2)
//       .attr("y", function(d) { return y(d.value) + 3; })
//       .attr("dy", ".75em")
//       .text(function(d) { return d.value; });
});
​
function type(d) {
  d.value = +d.value; // coerce to number
  return d;
}
​
​
Output

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