Created
December 7, 2012 03:20
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<!DOCTYPE HTML> | |
<html> | |
<head> | |
<meta http-equiv="content-type" content="text/html; charset=utf-8"> | |
<title>my example</title> | |
<style> | |
.lakers { | |
fill: purple; | |
stroke: yellow; | |
stroke-width: 2;opacity: 0.99; | |
} | |
.chargers { | |
fill: yellow; | |
stroke: blue; | |
stroke-width: 3; | |
opacity: 0.95; | |
} | |
.states { | |
fill: none; | |
stroke: #fff; | |
stroke-linejoin: round; | |
} | |
.q0-9 { fill:rgb(247,251,255); } | |
.q1-9 { fill:rgb(222,235,247); } | |
.q2-9 { fill:rgb(198,219,239); } | |
.q3-9 { fill:rgb(158,202,225); } | |
.q4-9 { fill:rgb(107,174,214); } | |
.q5-9 { fill:rgb(66,146,198); } | |
.q6-9 { fill:rgb(33,113,181); } | |
.q7-9 { fill:rgb(8,81,156); } | |
.q8-9 { fill:rgb(8,48,107); } | |
</style> | |
</head> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script src="http://d3js.org/queue.v1.min.js"></script> | |
<script src="http://d3js.org/topojson.v0.min.js"></script> | |
<h2> Here are some circles I made using the "g" method of grouping svg parts together:</h2> | |
<script> | |
var dataset = [ 5, 10, 15, 20, 25 ]; | |
var dataset2 = [ 21, 13, 8, 5, 3, 1 ]; | |
//Width and height | |
var w = 500; | |
var h = 300; | |
var svg = d3.select("body") | |
.append("svg") | |
.attr("width", w) // <-- Here | |
.attr("height", h); // <-- and here! | |
var circles = svg.selectAll("circle") | |
.data(dataset) | |
.enter() | |
.append("circle"); | |
circles.attr("cx", function(d, i) { | |
return (i * 50) + 25; | |
}) | |
.attr("cy", h-150) | |
.attr("r", function(d) { | |
return d; | |
}) | |
.attr("class","lakers"); | |
var circlez = svg.append("g").selectAll("circle") | |
.data(dataset2) | |
.enter() | |
.append("circle"); | |
circlez.attr("cx", function(d, i) { | |
return (i * 50) + 25; | |
}) | |
.attr("cy", h-50) | |
.attr("r", function(d) { | |
return d; | |
}) | |
.attr("class","chargers"); | |
</script> | |
<p>It works!</p> | |
<h2> Now, let's try to plot the choropleth from <a href="http://bl.ocks.org/4060606">this example</a> (it doesn't work).</h2> | |
<script> | |
var width = 960, | |
height = 500; | |
var quantize = d3.scale.quantize() | |
.domain([0, .15]) | |
.range(d3.range(9).map(function(i) { return "q" + i + "-9"; })); | |
var path = d3.geo.path(); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height); | |
queue() | |
.defer(d3.json, "https://gist.github.com/4090846.js?file=us.json") | |
.defer(d3.tsv, "https://gist.github.com/4060606.js?file=unemployment.tsv") | |
.await(ready); | |
function ready(error, us, unemployment) { | |
var rateById = {}; | |
unemployment.forEach(function(d) { rateById[d.id] = +d.rate; }); | |
svg.append("g") | |
.attr("class", "counties") | |
.selectAll("path") | |
.data(topojson.object(us, us.objects.counties).geometries) | |
.enter().append("path") | |
.attr("class", function(d) { return quantize(rateById[d.id]); }) | |
.attr("d", path); | |
svg.append("path") | |
.datum(topojson.mesh(us, us.objects.states, function(a, b) { return a.id !== b.id; })) | |
.attr("class", "states") | |
.attr("d", path); | |
} | |
</script> | |
</body> | |
</html> |
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