block by michalskop 7727848

CZ presidential elections '13 on OSM + Leaflet

Full Screen

index.html

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no"/>
	<script src="//code.jquery.com/jquery-1.8.2.min.js"></script>
	
	
	<script>
	  // see //leafletjs.com/reference.html
	  L_PREFER_CANVAS = true;
	</script>

    <link rel="stylesheet" href="//cdn.leafletjs.com/leaflet-0.6.4/leaflet.css" />
	 <!--[if lte IE 8]>
		 <link rel="stylesheet" href="//cdn.leafletjs.com/leaflet-0.6.4/leaflet.ie.css" />
	 <![endif]-->
    <script src="//cdn.leafletjs.com/leaflet-0.6.4/leaflet.js"></script>
    <!--<script type="text/javascript" src="//mbostock.github.com/d3/d3.js?1.29.1"></script>-->
    <style type="text/css">

html, body, #map {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}


.schwarzenberg {
  stroke: #f0f;
  color: #f0f;
  fill: #f0f;
}
.zeman {
  stroke: #f00;
  color: #f00;
  fill: #f00;
}


    </style>
  </head>
  <body>
    <div id="map"></div>
    <script type="text/javascript">

		// Create the map
		var map = L.map('map').setView([50, 15], 8);
		
		// add an OpenStreetMap tile layer
		L.tileLayer('//{s}.tile.osm.org/{z}/{x}/{y}.png', {
			attribution: '&copy; <a href="//osm.org/copyright">OpenStreetMap</a> contributors'
		}).addTo(map);
		
		//add circles
		$.getJSON( "cz_president_2013_both_2_ring.json", function (data) {
		    $.each(data.features, function (index, value) {
				circle = L.circle([value.coordinates[1], value.coordinates[0]], Math.sqrt((value.population.p6+value.population.p9)*1000), {
					color: class2color(value.classname),
					fillColor: class2color(value.classname),
					fillOpacity: 2*(Math.max(value.population.p6,value.population.p9) / (value.population.p6+value.population.p9) - 0.45),
					weight: 0.1,
					className: value.classname,	//this does not seem to work, so hacked by class2color
				}).addTo(map);
				
				perc1 = Math.round(Math.max(value.population.p6,value.population.p9) / (value.population.p6+value.population.p9) * 100);
				perc2 = 100 - perc1;
				
				circle.bindPopup(value.name + "<br/>" + value.winner + " vyhrál " + perc1 + " % vs. " + perc2 + " % <br/>(" +Math.max(value.population.p6,value.population.p9) + " : " + Math.min(value.population.p6,value.population.p9) + ")");
		  });
		});
		
		function class2color(className) {
		  if (className == 'zeman') return "#f00";
		  else return "#f0f";
		}
	</script>
  </body>
</html>