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@JulienAssouline
Last active November 24, 2017 18:55
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simple automatic transition between bars
<!Doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title> Learning D3 </title>
<link rel="stylsheet" href="main.css">
<script src="https://d3js.org/d3.v4.min.js"></script>
</head>
<style type = "text/css">
body,html{
margin: 0;
padding: 0;
font-family: "Arial", sans-serif;
font-size: 11px;
text-align: center;
}
#chart{
background-color: #F5F2EB;
border: 1px solid #CCC;
}
.yaxis path{
fill: none;
stroke: none;
}
.yaxis line{
fill: none;
stroke: #dcd9d3;
stroke-width: 2px;
shape-rendering: crispEdges;
opacity: 0.7;
stroke-dasharray: 3,3;
}
.xaxis path,
.xaxis line{
fill: none;
stroke: none;
}
</style>
<body>
<!-- Place all DOM elements here -->
<script>
var w = 730;
var h = 400;
var margin = {
top: 40,
bottom: 40,
left: 40,
right: 40
}
var width = w - margin.left - margin.right;
var height = h - margin.top - margin.bottom;
var svg = d3.select("body")
.append("svg")
.attr("id", "chart")
.attr("width", w)
.attr("height", h)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var xScale = d3.scaleBand()
.range([width, 0])
var yScale = d3.scaleLinear()
.range([height, 0])
var xAxis = d3.axisBottom()
.scale(xScale)
d3.csv("Opioid_age.csv", function(error, data){
data.forEach(function(d){
d["Age group (years)"] = d["Age group (years)"];
d["2014–2015"] = +d["2014–2015"];
d["2013–2014"] = +d["2013–2014"];
d["2012–2013"] = +d["2012–2013"];
d["2011–2012"] = +d["2011–2012"];
d["2010–2011"] = +d["2010–2011"];
d["2009–2010"] = +d["2009–2010"];
d["2008–2009"] = +d["2008–2009"];
d["2007–2008"] = +d["2007–2008"];
});
yScale.domain([0, d3.max(data, function(d){ return d["2014–2015"] })])
xScale.domain(data.map(function(d){ return d["Age group (years)"] }))
svg.selectAll(".rect")
.data(data)
.enter()
.append("rect")
.attr("x", function(d){
return xScale(d["Age group (years)"])
})
.attr("y", function(d){
return yScale(d["2007–2008"])
})
.attr("width", 40)
.attr("height", function(d){
return height - yScale(d["2007–2008"])
})
.style("fill", "purple")
.transition()
.delay(1000)
.duration(500)
.attr("y", function(d){
return yScale(d["2014–2015"])
})
.attr("height", function(d){
return height - yScale(d["2014–2015"])
})
svg.append("g")
.attr("class", "xaxis")
.attr("transform", "translate(" + -45 + "," + height + ")")
.call(xAxis)
});
</script>
</body>
</html>
Age group (years) 2007–2008 2008–2009 2009–2010 2010–2011 2011–2012 2012–2013 2013–2014 2014–2015
0 65+ 16.6 17.1 17.6 18.1 19.6 19.4 19.3 20.1
1 45–64 13.7 14.4 15.5 16.5 17.2 18.4 18.1 18.3
2 25–44 11.1 10.3 11.2 11.1 13.2 12.9 12.4 13.1
3 15–24 6.5 6.4 6.7 7.1 8.5 9.6 9.9 10.4
4 <15 1.4 1.4 1.3 1.4 1.4 1.6 1.7 1.8
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