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US State Capitals
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8" /> | |
<meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
<title>US State Capitals</title> | |
<meta name="viewport" content="width=device-width, initial-scale=1"> | |
<style> | |
body, | |
text { | |
font-family: sans-serif; | |
font-size: 14px; | |
} | |
.capital:hover { | |
stroke: #7A7A7A; | |
stroke-width: 1.5; | |
} | |
.tooltip { | |
position: absolute; | |
background: #fff; | |
pointer-events: none; | |
padding: 8px 12px; | |
-webkit-box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.75); | |
-moz-box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.75); | |
box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.75); | |
} | |
</style> | |
<script src="https://d3js.org/d3.v5.min.js"></script> | |
</head> | |
<body> | |
<script> | |
var margin = { top: 30, right: 30, bottom: 30, left: 30 }; | |
var width = 960 - margin.left - margin.right; | |
var height = 560 - margin.top - margin.bottom; | |
var projection = d3.geoAlbersUsa(); | |
var geoPath = d3.geoPath(projection); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", height + margin.top + margin.bottom) | |
.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
var tooltip = d3.select("body").append("div") | |
.attr("class", "tooltip"); | |
Promise | |
.all([ | |
d3.json("us-states.json"), | |
d3.json("us-state-capitals.json") | |
]) | |
.then(function(data) { | |
var states = data[0]; | |
var capitals = data[1]; | |
projection.fitSize([width, height], states) | |
svg.append("g") | |
.attr("class", "states") | |
.selectAll("path") | |
.data(states.features) | |
.enter().append("path") | |
.attr("class", "state") | |
.attr("stroke", "#7A7A7A") | |
.attr("fill", "#EDEDED") | |
.attr("d", geoPath); | |
svg.append("g") | |
.attr("class", "capitals") | |
.selectAll("circle") | |
.data(capitals) | |
.enter().append("circle") | |
.attr("class", "capital") | |
.attr("fill", "steelblue") | |
.each(function(d) { | |
var pos = projection([d.lon, d.lat]); | |
d.cx = pos[0]; | |
d.cy = pos[1]; | |
}) | |
.attr("cx", function(d) { | |
return d.cx; | |
}) | |
.attr("cy", function(d) { | |
return d.cy; | |
}) | |
.attr("r", 4.5) | |
.on("mouseover", showTooltip) | |
.on("mouseout", hideTooltip); | |
}); | |
function showTooltip(d) { | |
var html = "<span>" + d.city + "</span>, <span>" + d.state + "</span>"; | |
tooltip.html(html); | |
tooltip | |
.style("left", window.pageXOffset + d3.event.x + 12 + "px") | |
.style("top", window.pageYOffset + d3.event.y + 12 + "px") | |
.transition() | |
.style("opacity", 1); | |
} | |
function hideTooltip() { | |
tooltip | |
.transition() | |
.style("opacity", 0); | |
} | |
</script> | |
</body> | |
</html> |
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
[ | |
{"lon":-86.279118, "lat":32.361538, "state":"Alabama", "city":"Montgomery"}, | |
{"lon":-134.41974, "lat":58.301935, "state":"Alaska", "city":"Juneau"}, | |
{"lon":-112.073844, "lat":33.448457, "state":"Arizona", "city":"Phoenix"}, | |
{"lon":-92.331122, "lat":34.736009, "state":"Arkansas", "city":"Little Rock"}, | |
{"lon":-121.468926, "lat":38.555605, "state":"California", "city":"Sacramento"}, | |
{"lon":-104.984167, "lat":39.7391667, "state":"Colorado", "city":"Denver"}, | |
{"lon":-72.677, "lat":41.767, "state":"Connecticut", "city":"Hartford"}, | |
{"lon":-75.526755, "lat":39.161921, "state":"Delaware", "city":"Dover"}, | |
{"lon":-84.27277, "lat":30.4518, "state":"Florida", "city":"Tallahassee"}, | |
{"lon":-84.39, "lat":33.76, "state":"Georgia", "city":"Atlanta"}, | |
{"lon":-157.826182, "lat":21.30895, "state":"Hawaii", "city":"Honolulu"}, | |
{"lon":-116.237651, "lat":43.613739, "state":"Idaho", "city":"Boise"}, | |
{"lon":-89.650373, "lat":39.78325, "state":"Illinois", "city":"Springfield"}, | |
{"lon":-86.147685, "lat":39.790942, "state":"Indiana", "city":"Indianapolis"}, | |
{"lon":-93.620866, "lat":41.590939, "state":"Iowa", "city":"Des Moines"}, | |
{"lon":-95.69, "lat":39.04, "state":"Kansas", "city":"Topeka"}, | |
{"lon":-84.86311, "lat":38.197274, "state":"Kentucky", "city":"Frankfort"}, | |
{"lon":-91.140229, "lat":30.45809, "state":"Louisiana", "city":"Baton Rouge"}, | |
{"lon":-69.765261, "lat":44.323535, "state":"Maine", "city":"Augusta"}, | |
{"lon":-76.501157, "lat":38.972945, "state":"Maryland", "city":"Annapolis"}, | |
{"lon":-71.0275, "lat":42.2352, "state":"Massachusetts", "city":"Boston"}, | |
{"lon":-84.5467, "lat":42.7335, "state":"Michigan", "city":"Lansing"}, | |
{"lon":-93.094, "lat":44.95, "state":"Minnesota", "city":"Saint Paul"}, | |
{"lon":-90.207, "lat":32.32, "state":"Mississippi", "city":"Jackson"}, | |
{"lon":-92.189283, "lat":38.572954, "state":"Missouri", "city":"Jefferson City"}, | |
{"lon":-112.027031, "lat":46.595805, "state":"Montana", "city":"Helena"}, | |
{"lon":-96.675345, "lat":40.809868, "state":"Nebraska", "city":"Lincoln"}, | |
{"lon":-119.753877, "lat":39.160949, "state":"Nevada", "city":"Carson City"}, | |
{"lon":-71.549127, "lat":43.220093, "state":"New Hampshire", "city":"Concord"}, | |
{"lon":-74.756138, "lat":40.221741, "state":"New Jersey", "city":"Trenton"}, | |
{"lon":-105.964575, "lat":35.667231, "state":"New Mexico", "city":"Santa Fe"}, | |
{"lon":-73.781339, "lat":42.659829, "state":"New York", "city":"Albany"}, | |
{"lon":-78.638, "lat":35.771, "state":"North Carolina", "city":"Raleigh"}, | |
{"lon":-100.779004, "lat":48.813343, "state":"North Dakota", "city":"Bismarck"}, | |
{"lon":-83.000647, "lat":39.962245, "state":"Ohio", "city":"Columbus"}, | |
{"lon":-97.534994, "lat":35.482309, "state":"Oklahoma", "city":"Oklahoma City"}, | |
{"lon":-123.029159, "lat":44.931109, "state":"Oregon", "city":"Salem"}, | |
{"lon":-76.875613, "lat":40.269789, "state":"Pennsylvania", "city":"Harrisburg"}, | |
{"lon":-71.422132, "lat":41.82355, "state":"Rhode Island", "city":"Providence"}, | |
{"lon":-81.035, "lat":34, "state":"South Carolina", "city":"Columbia"}, | |
{"lon":-100.336378, "lat":44.367966, "state":"South Dakota", "city":"Pierre"}, | |
{"lon":-86.784, "lat":36.165, "state":"Tennessee", "city":"Nashville"}, | |
{"lon":-97.75, "lat":30.266667, "state":"Texas", "city":"Austin"}, | |
{"lon":-111.892622, "lat":40.7547, "state":"Utah", "city":"Salt Lake City"}, | |
{"lon":-72.57194, "lat":44.26639, "state":"Vermont", "city":"Montpelier"}, | |
{"lon":-77.46, "lat":37.54, "state":"Virginia", "city":"Richmond"}, | |
{"lon":-122.893077, "lat":47.042418, "state":"Washington", "city":"Olympia"}, | |
{"lon":-81.633294, "lat":38.349497, "state":"West Virginia", "city":"Charleston"}, | |
{"lon":-89.384444, "lat":43.074722, "state":"Wisconsin", "city":"Madison"}, | |
{"lon":-104.802042, "lat":41.145548, "state":"Wyoming", "city":"Cheyenne"} | |
] |
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