Reusable Bar Char

_.md

[ Launch Inlet ]
Gist #4103210 [ Launch Inlet ]
Gist #4103209
Gist #4103149

config.json

{"description":"Reusable Bar Char","endpoint":"","display":"svg","public":true,"require":[],"tab":"edit","display_percent":0.6280948026772978,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"period","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01}

freq.tsv

freq2.tsv

inlet.js

//http://bost.ocks.org/mike/chart/
//simple bar chart example: http://bl.ocks.org/3885304

var data = tributary.freq;
data.forEach(function(d) {
  d.frequency = +d.frequency;
});
var data2 = tributary.freq2;
data2.forEach(function(d) {
  d.frequency = +d.frequency;
});


var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 405 - margin.left - margin.right,
    height = 367 - margin.top - margin.bottom;

var svg = d3.select("svg");

var g = svg.append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var g2 = svg.append("g")
    .attr("transform", "translate(" + 523 + "," + margin.top + ")");


var bars = barChart()
  .data(data)
  .width(328)
  .height(322);

bars(g);

bars.data(data2)
  .width(317)
bars(g2)


function barChart() {
  var data = [];
  var width = 300;
  var height = 300;
  
  var chart = function(g) {
  
    var formatPercent = d3.format(".0%");
    
    var x = d3.scale.ordinal()
        .rangeRoundBands([0, width], .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")
        .tickFormat(formatPercent);
  
  
    x.domain(data.map(function(d) { return d.letter; }));
    y.domain([0, d3.max(data, function(d) { return d.frequency; })]);
  
    g.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis);
  
    g.append("g")
        .attr("class", "y axis")
        .call(yAxis)
      .append("text")
        .attr("transform", "rotate(-90)")
        .attr("y", 6)
        .attr("dy", ".71em")
        .style("text-anchor", "end")
        .text("Frequency");
  
    g.selectAll(".bar")
        .data(data)
      .enter().append("rect")
        .attr("class", "bar")
        .attr("x", function(d) { return x(d.letter); })
        .attr("width", x.rangeBand())
        .attr("y", function(d) { return y(d.frequency); })
        .attr("height", function(d) { return height - y(d.frequency); });

  }
  
  chart.data = function(value) {
    if(!arguments.length) return data;
    data = value;
    return chart;
  }
  chart.width = function(value) {
    if(!arguments.length) return width;
    width = value;
    return chart;
  }
  chart.height = function(value) {
    if(!arguments.length) return height;
    height = value;
    return chart;
  }
      
  return chart;
}

style.css

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

.bar {
  fill: steelblue;
}

.x.axis path {
  display: none;
}