horizontal let's make a bar chart example

_.md

[ Launch: horizontal let's make a bar chart example ] 6951394 by gelicia
[ Launch: let's make a bar chart example ] 6950817 by gelicia
[ Launch: let's make a bar chart example ] 6950800 by gelicia

config.json

{"description":"horizontal let's make a bar chart example","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},"keyvalue.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/jeyc7Km.png"}

inlet.js

//modified skip to the end from the end of http://mbostock.github.io/d3/tutorial/bar-1.html
//with keyvalue data
var data = tributary.keyvalue;
var chartProp = {maxWidth : 400, maxHeight: 420}

var chart = d3.select("svg")
    .attr("class", "chart")
    .attr("width", chartProp.maxWidth + 20)
    .attr("height", chartProp.maxHeight + 20)
    .append("g")
    .attr("transform", "translate(10,15)");

var x = d3.scale.ordinal()
 .domain(data.map(function(d){return d.value;}))
 .rangeRoundBands([0, chartProp.maxWidth], 0.132);

var y = d3.scale.linear()
   .domain([0, d3.max(data, function(d){return d.value})])
   .range([0, chartProp.maxHeight]);

var color = d3.scale.category20();

chart.selectAll("line")
    .data(y.ticks(10))
  .enter().append("line")
	.attr({
      x1: 0,
      x2: chartProp.maxWidth,
      y1: function(d){ return chartProp.maxHeight - y(d);},
      y2: function(d){ return chartProp.maxHeight - y(d);}
    })
    .style("stroke", "#ccc");

chart.selectAll(".rule")
    .data(y.ticks(10))
	.enter().append("text")
	.attr({
      "class": "rule",
      y: function(d){ return chartProp.maxHeight - y(d);},
      x: 0,
      dy: -3,
      "text-anchor": "middle"
    })
    .text(String);
 
chart.selectAll("rect")
    .data(data)
  .enter().append("rect")
  .attr({
    x: function(d){return x(d.value);},
    y: function(d){ return chartProp.maxHeight - y(d.value);},
    width: function(d){return x.rangeBand();},
    height: function(d){return y(d.value);},
    fill : function(d,i){return color(i);}
  });

chart.selectAll(".bar")
    .data(data)
  .enter().append("text")
  .attr({
    "class": "bar",
      x:  function(d) { return x(d.value) + x.rangeBand() / 2; },
      y: function(d){ return chartProp.maxHeight - y(d.value);},
      dy: -3,
      "text-anchor": "middle"
  })
.text(function(d){ return String(d.value);});

chart.append("line")
	.attr({
      x1: 0,
      x2: chartProp.maxWidth,
      y1: chartProp.maxHeight,
      y2: chartProp.maxHeight
	})
    .style("stroke", "#000");

keyvalue.json

[
	{"key" : "apple", "value" : 95},
	{"key" : "orange", "value" : 45},
	{"key" : "banana", "value" : 105},
	{"key" : "lemon", "value" : 17},
	{"key" : "lime", "value" : 20}
]

style.css

.chart {
  margin-left: 42px;
  margin-top: 10px;
  font: 10px sans-serif;
  shape-rendering: crispEdges;
}