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## readme.md

      
    Raw
  

              readme.md
            
          
    Stacked bar chart implementation in d3.v4 using json

  
## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.axis text {
  font: 10px sans-serif;
}
.axis line,
.axis path {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
.axis--x path {
  display: none;
}
.path-line {
  fill: none;
  stroke: yellow;
  stroke-width: 1.5px;
}
svg {
  background: #f0f0f0;
}
</style>
<body>
<h2>Stacked Bar Chart - d3.v4 implementation</h2>
<div id='stacked-bar'></div>
<script src="//d3js.org/d3.v4.min.js"></script>
<script>
var initStackedBarChart = {
	draw: function(config) {
		me = this,
		domEle = config.element,
		stackKey = config.key,
		data = config.data,
		margin = {top: 20, right: 20, bottom: 30, left: 50},
		parseDate = d3.timeParse("%m/%Y"),
		width = 960 - margin.left - margin.right,
		height = 500 - margin.top - margin.bottom,
		xScale = d3.scaleBand().range([0, width]).padding(0.1),
		yScale = d3.scaleLinear().range([height, 0]),
		color = d3.scaleOrdinal(d3.schemeCategory20),
		xAxis = d3.axisBottom(xScale).tickFormat(d3.timeFormat("%b")),
		yAxis =  d3.axisLeft(yScale),
		svg = d3.select("#"+domEle).append("svg")
				.attr("width", width + margin.left + margin.right)
				.attr("height", height + margin.top + margin.bottom)
				.append("g")
				.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

		var stack = d3.stack()
			.keys(stackKey)
			.order(d3.stackOrderNone)
			.offset(d3.stackOffsetNone);

		console.log(stack(data))

		var layers= stack(data);
			data.sort(function(a, b) { return b.total - a.total; });
			xScale.domain(data.map(function(d) { return parseDate(d.date); }));
			yScale.domain([0, d3.max(layers[layers.length - 1], function(d) { return d[0] + d[1]; }) ]).nice();


		var layer = svg.selectAll(".layer")
			.data(layers)
			.enter().append("g")
			.attr("class", "layer")
			.style("fill", function(d, i) { return color(i); });

		console.log(layer)
		  layer.selectAll("rect")
			  .data(function(d) { return d; })

		console.log(layer)

			.enter().append("rect")
			  .attr("x", function(d) { return xScale(parseDate(d.data.date)); })
			  .attr("y", function(d) { return yScale(d[1]); })
			  .attr("height", function(d) { return yScale(d[0]) - yScale(d[1]); })
			  .attr("width", xScale.bandwidth());

			svg.append("g")
			.attr("class", "axis axis--x")
			.attr("transform", "translate(0," + (height+5) + ")")
			.call(xAxis);

			svg.append("g")
			.attr("class", "axis axis--y")
			.attr("transform", "translate(0,0)")
			.call(yAxis);
	}
}
var data = [{"date":"4/1854","total":8571,"disease":1,"wounds":0,"other":5},{"date":"5/1854","total":23333,"disease":12,"wounds":0,"other":9},{"date":"6/1854","total":28333,"disease":11,"wounds":0,"other":6},{"date":"7/1854","total":28772,"disease":359,"wounds":0,"other":23},{"date":"8/1854","total":30246,"disease":828,"wounds":1,"other":30},{"date":"9/1854","total":30290,"disease":788,"wounds":81,"other":70},{"date":"10/1854","total":30643,"disease":503,"wounds":132,"other":128},{"date":"11/1854","total":29736,"disease":844,"wounds":287,"other":106},{"date":"12/1854","total":32779,"disease":1725,"wounds":114,"other":131},{"date":"1/1855","total":32393,"disease":2761,"wounds":83,"other":324},{"date":"2/1855","total":30919,"disease":2120,"wounds":42,"other":361},{"date":"3/1855","total":30107,"disease":1205,"wounds":32,"other":172},{"date":"4/1855","total":32252,"disease":477,"wounds":48,"other":57},{"date":"5/1855","total":35473,"disease":508,"wounds":49,"other":37},{"date":"6/1855","total":38863,"disease":802,"wounds":209,"other":31},{"date":"7/1855","total":42647,"disease":382,"wounds":134,"other":33},{"date":"8/1855","total":44614,"disease":483,"wounds":164,"other":25},{"date":"9/1855","total":47751,"disease":189,"wounds":276,"other":20},{"date":"10/1855","total":46852,"disease":128,"wounds":53,"other":18},{"date":"11/1855","total":37853,"disease":178,"wounds":33,"other":32},{"date":"12/1855","total":43217,"disease":91,"wounds":18,"other":28},{"date":"1/1856","total":44212,"disease":42,"wounds":2,"other":48},{"date":"2/1856","total":43485,"disease":24,"wounds":0,"other":19},{"date":"3/1856","total":46140,"disease":15,"wounds":0,"other":35}];
var key = ["wounds", "other", "disease"];
initStackedBarChart.draw({
	data: data,
	key: key,
	element: 'stacked-bar'
});
</script>

## thumbnail.png

      
    Raw
  

              thumbnail.png
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>
	.axis text {
	font: 10px sans-serif;
	}
	.axis line,
	.axis path {
	fill: none;
	stroke: #000;
	shape-rendering: crispEdges;
	}
	.axis--x path {
	display: none;
	}
	.path-line {
	fill: none;
	stroke: yellow;
	stroke-width: 1.5px;
	}
	svg {
	background: #f0f0f0;
	}
	</style>
	<body>
	<h2>Stacked Bar Chart - d3.v4 implementation</h2>
	<div id='stacked-bar'></div>
	<script src="//d3js.org/d3.v4.min.js"></script>
	<script>
	var initStackedBarChart = {
	draw: function(config) {
	me = this,
	domEle = config.element,
	stackKey = config.key,
	data = config.data,
	margin = {top: 20, right: 20, bottom: 30, left: 50},
	parseDate = d3.timeParse("%m/%Y"),
	width = 960 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom,
	xScale = d3.scaleBand().range([0, width]).padding(0.1),
	yScale = d3.scaleLinear().range([height, 0]),
	color = d3.scaleOrdinal(d3.schemeCategory20),
	xAxis = d3.axisBottom(xScale).tickFormat(d3.timeFormat("%b")),
	yAxis = d3.axisLeft(yScale),
	svg = d3.select("#"+domEle).append("svg")
	.attr("width", width + margin.left + margin.right)
	.attr("height", height + margin.top + margin.bottom)
	.append("g")
	.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

	var stack = d3.stack()
	.keys(stackKey)
	.order(d3.stackOrderNone)
	.offset(d3.stackOffsetNone);

	console.log(stack(data))

	var layers= stack(data);
	data.sort(function(a, b) { return b.total - a.total; });
	xScale.domain(data.map(function(d) { return parseDate(d.date); }));
	yScale.domain([0, d3.max(layers[layers.length - 1], function(d) { return d[0] + d[1]; }) ]).nice();


	var layer = svg.selectAll(".layer")
	.data(layers)
	.enter().append("g")
	.attr("class", "layer")
	.style("fill", function(d, i) { return color(i); });

	console.log(layer)
	layer.selectAll("rect")
	.data(function(d) { return d; })

	console.log(layer)

	.enter().append("rect")
	.attr("x", function(d) { return xScale(parseDate(d.data.date)); })
	.attr("y", function(d) { return yScale(d[1]); })
	.attr("height", function(d) { return yScale(d[0]) - yScale(d[1]); })
	.attr("width", xScale.bandwidth());

	svg.append("g")
	.attr("class", "axis axis--x")
	.attr("transform", "translate(0," + (height+5) + ")")
	.call(xAxis);

	svg.append("g")
	.attr("class", "axis axis--y")
	.attr("transform", "translate(0,0)")
	.call(yAxis);
	}
	}
	var data = [{"date":"4/1854","total":8571,"disease":1,"wounds":0,"other":5},{"date":"5/1854","total":23333,"disease":12,"wounds":0,"other":9},{"date":"6/1854","total":28333,"disease":11,"wounds":0,"other":6},{"date":"7/1854","total":28772,"disease":359,"wounds":0,"other":23},{"date":"8/1854","total":30246,"disease":828,"wounds":1,"other":30},{"date":"9/1854","total":30290,"disease":788,"wounds":81,"other":70},{"date":"10/1854","total":30643,"disease":503,"wounds":132,"other":128},{"date":"11/1854","total":29736,"disease":844,"wounds":287,"other":106},{"date":"12/1854","total":32779,"disease":1725,"wounds":114,"other":131},{"date":"1/1855","total":32393,"disease":2761,"wounds":83,"other":324},{"date":"2/1855","total":30919,"disease":2120,"wounds":42,"other":361},{"date":"3/1855","total":30107,"disease":1205,"wounds":32,"other":172},{"date":"4/1855","total":32252,"disease":477,"wounds":48,"other":57},{"date":"5/1855","total":35473,"disease":508,"wounds":49,"other":37},{"date":"6/1855","total":38863,"disease":802,"wounds":209,"other":31},{"date":"7/1855","total":42647,"disease":382,"wounds":134,"other":33},{"date":"8/1855","total":44614,"disease":483,"wounds":164,"other":25},{"date":"9/1855","total":47751,"disease":189,"wounds":276,"other":20},{"date":"10/1855","total":46852,"disease":128,"wounds":53,"other":18},{"date":"11/1855","total":37853,"disease":178,"wounds":33,"other":32},{"date":"12/1855","total":43217,"disease":91,"wounds":18,"other":28},{"date":"1/1856","total":44212,"disease":42,"wounds":2,"other":48},{"date":"2/1856","total":43485,"disease":24,"wounds":0,"other":19},{"date":"3/1856","total":46140,"disease":15,"wounds":0,"other":35}];
	var key = ["wounds", "other", "disease"];
	initStackedBarChart.draw({
	data: data,
	key: key,
	element: 'stacked-bar'
	});
	</script>