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@cnev177
Created November 14, 2015 22:16
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<!DOCTYPE html>
<meta charset="utf-8">
<title>Module3: The Home Nations</title>
<style>
body{
font-family: 'Open Sans', sans-serif;
background:white;
color:#333;
}
/* CSS goes here. */
.subunit.SCT { fill: #80C3A7; }
.subunit.WLS { fill: #D2D5D8; }
.subunit.NIR { fill: #546F75; }
.subunit.ENG { fill: #A1D087; }
.subunit.IRL { fill: white; }
.subunit-boundary {
fill: none;
stroke: #777;
stroke-dasharray: 3,3;
stroke-linejoin: round;
}
.subunit-boundary.IRL {
stroke: none;
}
.place-label{
font-size:12px;
}
.subunit-label {
fill: #777;
fill-opacity: .7;
font-size: 18px;
text-transform: uppercase;
letter-spacing: 2px;
font-weight: 400;
text-anchor: middle;
}
h1 {
font-weight: 300;
font-size: 40px;
margin: 0;
}
h2{
margin: 0;
color:grey;
font-weight: 400;
font-size: 16px;
padding-bottom: 30px
}
p {
font-size: 14px;
margin: 0px 0 10px 0;
}
a {
text-decoration: none;
}
#container{
margin:10px 0 0 30px;
}
span{
color:#333;
}
</style>
<div id="container">
<h1>The Home Nations</h1>
<h2>A map of the Home Nations of the UK. <span><strong>Source: </strong><a href="http://www.naturalearthdata.com/" target="new">Natural Earth</a></span></h2>
</div>
<body>
<script src="//d3js.org/d3.v3.min.js" charset="utf-8"></script>
<script src="//d3js.org/topojson.v1.min.js"></script>
<link href='https://fonts.googleapis.com/css?family=Open+Sans:400,300,600' rel='stylesheet' type='text/css'>
<script>
var width = 960,
height = 800;
var projection = d3.geo.albers()
.center([0, 55.4])
.rotate([2, 2])
.parallels([50, 60])
.scale(4000)
.translate([width / 2, height / 2]);
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
var path = d3.geo.path()
.projection(projection)
.pointRadius(3);
/* JavaScript goes here. */
d3.json("uk.json", function(error, uk) {
if (error) return console.error(error);
var subunits = topojson.feature(uk, uk.objects.subunits);
svg.append("path")
.datum(subunits)
.attr("d", path);
svg.selectAll(".subunit")
.data(topojson.feature(uk, uk.objects.subunits).features)
.enter().append("path")
.attr("class", function(d) { return "subunit " + d.id; })
.attr("d", path);
svg.append("path")
.datum(topojson.mesh(uk, uk.objects.subunits, function(a, b) { return a !== b && a.id !== "IRL"; }))
.attr("d", path)
.attr("class", "subunit-boundary");
svg.append("path")
.datum(topojson.mesh(uk, uk.objects.subunits, function(a, b) { return a === b && a.id === "IRL"; }))
.attr("d", path)
.attr("class", "subunit-boundary IRL");
svg.append("path")
.datum(topojson.feature(uk, uk.objects.places))
.attr("d", path)
.attr("class", "place")
.attr('opacity', 0)
.transition().delay(400).duration(700).attr('opacity', 1);
svg.selectAll(".place-label")
.data(topojson.feature(uk, uk.objects.places).features)
.enter().append("text")
.attr("class", "place-label")
.attr("transform", function(d) { return "translate(" + projection(d.geometry.coordinates) + ")"; })
.attr('opacity', 0)
.attr("dy", ".35em")
.transition().delay(600).duration(1000).attr('opacity', 1)
.text(function(d) { return d.properties.name; });
svg.selectAll(".place-label")
.attr("x", function(d) { return d.geometry.coordinates[0] > -1 ? 6 : -6; })
.style("text-anchor", function(d) { return d.geometry.coordinates[0] > -1 ? "start" : "end"; });
svg.selectAll(".subunit-label")
.data(topojson.feature(uk, uk.objects.subunits).features)
.enter().append("text")
.attr("class", function(d) { return "subunit-label " + d.id; })
.attr("transform", function(d) { return "translate(" + path.centroid(d) + ")"; })
.attr("dy", ".35em")
.text(function(d) { return d.properties.name; });
});
</script>
</body>
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