Class: Items

forked from seemantk's block: Class: Items

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

<body>
  <script>
    // Feel free to change or delete any of the code you see in this editor!
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)
		;
    
    var margin = { top: 20, bottom: 20, left: 20, right: 20 }
    
    var data = [
      	{ name: "andrew", pens: 5, carrots: 50, phones: 1 }
      , { name: "avra", pens: 0, carrots: 25, phones: 1}
      , { name: "dana", pens: 3, carrots: 8, phones: 2}
      , { name: "elaine", pens: 8, carrots: 1, phones: 1}
      , { name: "kyle", pens: 20, carrots: 0, phones: 0}
      , { name: "megan", pens: 20, carrots: 22, phones: 8}
			, { name: "nam", pens: 20, carrots: 14, phones: 0}
      , { name: "naoya", pens: 15, carrots: 18, phones: 14}
      , { name: "patience", pens: 6, carrots: 3, phones: 89}
      , { name: "virginia", pens: 4, carrots: 18, phones: 2}
    ]
    
    var xScale = d3.scaleBand()
     .domain(data.map(function(d) {return d.name}))
     .range([margin.left, 960 - margin.left - margin.right])

var yExtent = d3.extent(data, function(d) { return d.pens + d.carrots + d.phones })

var yScale = d3.scaleLinear()
         .domain(yExtent)
         .range([margin.bottom, 500 - margin.top - margin.bottom])
    
    var stack = d3.stack()
         .keys(["pens", "carrots", "phones"])
         .order(d3.stackOrderNone)
         .offset(d3.stackOffsetNone)

console.log(stack(data))

var groups = svg.selectAll("g")
                  .data(stack(data))
    							.enter()
         					.append("g")

var rects = groups.selectAll("rect")
    	.data(function(d) {return d})
     	.enter()
    	.append("rect")
    	.attr("x", function(d) { return xScale(d.data.name)})
    	.attr("y", function(d) { return yScale(d[0])})
    	.attr("width", xScale.bandwidth())
    	.attr("height", function(d) { return yScale(d[1])})

</script>
</body>

https://d3js.org/d3.v4.min.js