bar graph

_.md

[ Launch: Closer to the real thing ] 7148475 by blehman
[ Launch: Tributary inlet ] 7142407 by trinary

config.json

{"description":"bar graph","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"style.css":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"pingpong","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"thumbnail":"http://i.imgur.com/QqnMsaf.png","ajax-caching":true}

inlet.js

var d = [
  {name: "Alice",value: 7},
  {name: "Bob",  value: 20},
  {name: "Carol",value: 33},
  {name: "Dave", value: 9 },
  {name: "Erica",value: 1 },
  {name: "Frank",value: 44},
  {name: "Gwen", value: 15},
  {name: "Henry",value: 34},
  {name: "Josh",  value: 64},
  {name: "Skippy",value: 133},
  {name: "Jason", value: 16 },
  {name: "Brian",value: 122 },
  {name: "Elaine",value: 38},
  {name: "Jeff", value: 8},
  {name: "Mark",value: 58}
];

var height = 300,
    width = 607,
	margin = { left: 40, right: 0, top: 20, bottom: 45},
    svg = d3.select("svg"),
    container, yScale, xScale, yAxis, xAxis, bars;

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

yScale = d3.scale.linear()
	.domain([0,d3.max(d,function(d,i) { return d.value;})])
	.range([height, 0]);

names = d.map(function(d) { return d.name } )

xScale = d3.scale.ordinal()
	.domain(d.map(function(d) { return d.name } ))
	
	//.domain(d3.range(names.length) )
	.rangeRoundBands([0,width], 0.25);

d3colors=d3.scale.category20();
xAxis = d3.svg.axis().scale(xScale).orient("bottom");
yAxis = d3.svg.axis().scale(yScale).orient("left");

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

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

bars = container.selectAll(".bars")
	.data(d);

bars.enter()
	.append("g")
	.append("rect")
	.classed("bars",true)
	.attr({
      x: function(d,i) { return xScale(i);},
      y: function(d,i) { return yScale(d.value);},
      width: xScale.rangeBand(),
      height: function(d,i) { return height - yScale(d.value);}
	})
.style("fill",function(d,i){
  return d3colors(i)});
bars.append("text")
	.style("text-anchor", "middle")
	.attr("transform", function(d,i) { return "translate(" + [xScale(i) + (xScale.rangeBand() / 2), yScale(d.value) - 2] + ")"})
	.text(function(d,i) { return d.value; });

style.css

body {
  font: 13px sans-serif;
}

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

rect {
  shape-rendering: crispEdges;
}