forked from maptastik's block: Loading External GeoJSON (Promises): Add data to map
Created
April 25, 2017 05:54
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Loading External GeoJSON (Promises): Add data to map
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license: mit |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8" /> | |
<title>A simple map</title> | |
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" /> | |
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.3/dist/leaflet.css" /> | |
<style> | |
body { | |
margin: 0; | |
padding: 0; | |
} | |
#map { | |
position: absolute; | |
top: 0; | |
bottom: 0; | |
width: 100%; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="map"></div> | |
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script> | |
<script src="https://unpkg.com/leaflet@1.0.3/dist/leaflet.js"></script> | |
<script> | |
var counties = $.ajax({ | |
url: "https://gist.githubusercontent.com/maptastik/df8e483d5ac1c6cae3dc4a7c02ea9039/raw/9cd46849bddcfa90aab240772a12275408d6d8d0/kyCounties.geojson", | |
dataType: "json", | |
success: console.log("County data successfully loaded."), | |
error: function(xhr) { | |
alert(xhr.statusText) | |
} | |
}) | |
$.when(counties).done(function() { | |
var map = L.map('map') | |
.setView([37.857507, -85.632935], 7); | |
var basemap = L.tileLayer('http://{s}.basemaps.cartocdn.com/light_nolabels/{z}/{x}/{y}.png', { | |
attribution: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> © <a href="http://cartodb.com/attributions">CartoDB</a>', | |
subdomains: 'abcd', | |
maxZoom: 19 | |
}).addTo(map); | |
// Add requested external GeoJSON to map | |
var kyCounties = L.geoJSON(counties.responseJSON).addTo(map); | |
}); | |
</script> | |
</body> | |
</html> |
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