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@cliff145
Created November 4, 2015 21:43
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Intermediate - Module 1 - Michelin Stars
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Bar Chart</title>
<script type="text/javascript" src="http://d3js.org/d3.v3.js"></script>
<style type="text/css">
body {
margin: 0;
background-color: lightGray;
font-family: Helvetica, Arial, sans-serif;
}
#container {
width: 700px;
margin-left: auto;
margin-right: auto;
margin-top: 50px;
padding: 50px;
background-color: white;
box-shadow: 3px 3px 5px 6px #ccc;
}
h1 {
font-size: 24px;
margin: 0;
}
p {
font-size: 14px;
margin: 15px 0 10px 0;
}
a:link {
text-decoration: none;
color: gray;
}
a:hover {
text-decoration: underline;
}
a:visited {
color: gray;
}
a:active {
color: steelBlue;
}
svg {
background-color: white;
}
g.bar text {
font-size: 11px;
font-weight: bold;
text-anchor: end;
opacity: 0;
}
g.bar:hover rect {
fill: orange;
}
g.bar:hover text {
opacity: 1;
}
.axis path,
.axis line {
fill: none;
stroke: black;
shape-rendering: crispEdges;
}
.axis text {
font-family: sans-serif;
font-size: 11px;
}
.y.axis path,
.y.axis line {
opacity: 0;
}
</style>
</head>
<body>
<div id="container">
<h1>Countries with the Most Michelin Stars, 2011-2014</h1>
<p><strong>Source:</strong> <a href="https://en.wikipedia.org/wiki/List_of_Michelin_starred_restaurants">Wikipedia, 2014</a></p>
</div>
<script type="text/javascript">
var w = 700;
var h = 600;
var padding = [ 20, 10, 30, 120];
var widthScale = d3.scale.linear()
.range([0, w - padding[1] - padding[3] ]);
var heightScale = d3.scale.ordinal()
.rangeRoundBands([ padding[0], h - padding[2] ], 0.1);
var xAxis = d3.svg.axis()
.scale(widthScale)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(heightScale)
.orient("left");
//SVG goes into #container instead of body
var svg = d3.select("#container")
.append("svg")
.attr("width", w)
.attr("height", h);
d3.csv("michelinstars.csv", function(data) {
data.sort(function(a, b) {
return d3.descending(+a.stars, +b.stars);
});
widthScale.domain([ 0, d3.max(data, function(d) {
return +d.stars;
}) ]);
heightScale.domain(data.map(function(d) {
return d.country;
}) );
//Bind data to groups (not bars directly)
var groups = svg.selectAll("g")
.data(data)
.enter()
.append("g")
.attr("class", "bar");
//Add a rect to each group
var rects = groups.append("rect")
.attr("x", padding[3])
.attr("y", function(d) {
return heightScale(d.country);
})
.attr("width", 0)
.attr("height", heightScale.rangeBand())
.attr("fill", "steelblue");
//Add a text element to each group
groups.append("text")
.attr("x", function(d) {
return padding[3] + widthScale(d.stars) - 3;
})
.attr("y", function(d) {
return heightScale(d.country) + 11;
})
.text(function(d) {
return d.stars;
});
rects.transition()
.delay(function(d, i) {
return i * 100;
})
.duration(1000)
.attr("width", function(d) {
return widthScale(d.stars);
})
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + padding[3] + ",0)")
.call(yAxis);
});
</script>
</body>
</html>
country stars
France 44
Germany 29
Italy 21
Spain 18
Japan 18
United States 9
Netherlands 9
Belgium 8
Switzerland 6
UK 5
Sweden 3
Macau 3
Hong Kong 3
Poland 3
Monaco 3
Ireland 2
Luxembourg 2
Greece 2
Norway 2
Finland 2
Denmark 2
Hungary 1
Scotland 1
Czech Republic 1
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