D3 Examples - ischool-geo-viz-00

Template

Here you will find an HTML template for the geo-viz workshop. We'll be adding javascript code to the section between the opening and closing <script></script> tags in the index.html file. There are already some variables there to help us get started with.

xxxxxxxxxx
 
<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8' />
    <title>iSchool GeoVisualization Workshop</title>
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
    <script src="//d3js.org/d3.v4.min.js"></script>
        <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.43.0/mapbox-gl.js'></script>
        <link href='https://unpkg.com/mapbox-gl@0.43.0/dist/mapbox-gl.css' rel='stylesheet' />
    <style>
        body { margin:0; padding:0; }
        #map { position:absolute; top:0; bottom:0; width:100%; }
    </style>
</head>
<body>
​
  <!-- this div with an id of "map" will be used to create our map -->
  <div id='map'></div>
  
<script>
​
  // javascript code goes here!!!
  
  // url to our "raw" geo data
  var dataURL = "https://raw.githubusercontent.com/clhenrick/geovisualization_workshop_ischool/master/data/nyc_crashes.geojson";
  
  // url to hexbins
  var hexBinURL = "https://gist.githubusercontent.com/clhenrick/5787a12a8bf3b02821839e4f9556d997/raw/f18f34a319380ba471078baec382970dbc64a9ff/processed.json";
​
  // access token to use with MapboxGL
  var accessToken = 'pk.eyJ1IjoiZW5qYWxvdCIsImEiOiIzOTJmMjBiZmI2NGQ2ZjAzODhiMzhiOGI2MTI1YTk4YSJ9.sIOXXU3TPp5dLg_L3cUxhQ';
  
  // set mapboxGEL access token
  mapboxgl.accessToken = accessToken;
  
  // instantiate the map object
  var map = new mapboxgl.Map({
    container: "map",
    style: "mapbox://styles/mapbox/dark-v9",
    center: [-74, 40.7],
    zoom: 10
  });
  
​
  
</script>
</body>
</html>
​
    