Example of map explained in maptimeLex Introduction to D3.js Web Mapping Through 7 Simple Maps.
Last active
April 24, 2017 06:01
-
-
Save rgdonohue/ede89ea3aff7c876fdcc to your computer and use it in GitHub Desktop.
A D3 map using queue.js
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title>A D3 map using queue.js</title> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/queue-async/1.0.7/queue.min.js"></script> | |
<link href="http://fonts.googleapis.com/css?family=Montserrat" rel="stylesheet" type="text/css"> | |
<style> | |
body { | |
padding: 0; | |
margin: 0; | |
background: whitesmoke; | |
} | |
h1 { | |
position: absolute; | |
left: 20px; | |
top: 10px; | |
font-family: "Proxima Nova", Montserrat, sans-serif; | |
font-size: 2em; | |
font-weight: 100; | |
color: #005DAA; /* offical UK Kentucky blue */ | |
} | |
.county { | |
stroke: #fff; | |
fill:#005DAA; | |
} | |
</style> | |
</head> | |
<body> | |
<h1>Kentucky Counties</h1> | |
<script> | |
var width = 900, | |
height = 600; | |
var svg = d3.select( "body" ) | |
.append( "svg" ) | |
.attr( "width", width ) | |
.attr( "height", height ); | |
var projection = d3.geo.albers() | |
.center([0, 37.8]) | |
.rotate([85.8,0]) | |
.scale(8000) | |
.translate([width / 2, height / 2]); | |
var geoPath = d3.geo.path() | |
.projection(projection); | |
queue() | |
.defer(d3.json, "ky-counties.json") | |
.await(ready); | |
function ready(error, counties){ | |
svg.append("g") | |
.selectAll("path") | |
.data(counties.features) | |
.enter() | |
.append("path") | |
.attr( "d", geoPath ) | |
.attr("class","county"); | |
} | |
</script> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment