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county_map.html
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<html>
<head>
<meta charset=utf-8 />
<title>Choropleth</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox.js/v2.0.1/mapbox.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox.js/v2.0.1/mapbox.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<div id='map'></div>
<style>
.leaflet-popup-close-button {
display: none;
}
.leaflet-popup-content-wrapper {
pointer-events: none;
}
.leaflet-control {
position: relative;
z-index: 7;
pointer-events: auto;
}
.leaflet-bottom {
position: absolute;
z-index: 1000;
pointer-events: none;
}
.info {
padding: 6px 8px;
font: 14px/16px Arial, Helvetica, sans-serif;
background: white;
background: rgba(255,255,255,0.8);
box-shadow: 0 0 15px rgba(0,0,0,0.2);
border-radius: 5px;
}
.info h4 {
margin: 0 0 5px;
color: #777;
}
</style>
<script src='state_data.js'></script>
<script src='county_data.js'></script>
<script>
var mapboxAccessToken = 'pk.eyJ1IjoiYW5taW5zIiwiYSI6Ik9SZ3dyMjAifQ.2KVz9-1BSP3AF_s_Sx02ig';
var map = L.map('map').setView([37.8, -96], 4);
L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token=' + mapboxAccessToken, {
id: 'mapbox.light'
}).addTo(map);
// create styling functions
function style(features) {
return {
fillColor: features.properties.color,
weight: 1,
opacity: 1,
color: 'white',
fillOpacity: 0.7
};
}
function outlineStyle(features) {
return {
weight: 3,
color: '#666',
dashArray: '',
fillOpacity: 0
};
};
// add state outlines to map first to go "under" the main maps
outlineLayer = L.geoJson(stateData, {
style: outlineStyle
});
outlineLayer.addTo(map);
// add the state map to start out
var geojsonLayer = L.geoJson(stateData, {
style: style,
onEachFeature: onEachFeature
});
geojsonLayer.addTo(map);
// define a function to remove then add a layer
function getJson(simp){ //Removed unneeded arguments here
var mapname = eval(simp + "Data");
map.removeLayer(geojsonLayer);
geojsonLayer = L.geoJson(mapname, {
style: style,
onEachFeature: onEachFeature
});
geojsonLayer.addTo(map);
};
// zoom logic to take away and add on zooming xoxo gossip girl
var zoomState = 0;
map.on('zoomend', function(e) {
if (map.getZoom() > 5) {
if (zoomState == 0) {
getJson('cnty');
zoomState = 1;
}
} else if (map.getZoom() <= 5) { //Return to original data
if (zoomState == 1) {
getJson('state');
zoomState = 0;
}
}
});
// control that shows state info on hover
var info = L.control();
info.onAdd = function (map) {
this._div = L.DomUtil.create('div', 'info');
this.update();
return this._div;
};
info.update = function (props) {
this._div.innerHTML = '<h4>Most Popular Industry:</h4>' + (props ?
'<b>' + props.geo_name + '</b><br />' + props.naics_description
: 'Hover over a region');
};
info.addTo(map);
// function getColor(d) {
// return
// d = 'Retail trade' ? '#8DD3C7' :
// d = 'Construction' ? '#FFFFB3' :
// d = 'Other services (except public administration)' ? '#BEBADA :
// d = 'Accommodation and food services' ? '#FB8072' :
// d = 'Health care and social assistance' ? '#80B1D3' :
// d = 'Professional, scientific, and technical services' ? '#FDB462 :
// d = 'Manufacturing' ? '#B3DE69' :
// d = 'Mining, quarrying, and oil and gas extraction' ? '#FCCDE5 :
// d = 'Finance and insurance' ? '#D9D9D9' :
// d = 'Transportation and warehousing' ? '#BC80BD' :
// d = 'Wholesale trade' ? '#CCEBC5' :
// d = 'Administrative and support and waste management and remediation services' ? '#FFED6F' :
// d = 'Real estate and rental and leasing' ? '#E41A1C' :
// d = 'Information' ? '#377EB8' :
// d = 'Industries not classified' ? '#4DAF4A' :
// d = 'Educational services' ? '#984EA3' :
// d = 'Management of companies and enterprises' ? '#FF7F00' :
// d = 'Arts, entertainment, and recreation' ? '#FFFF33' :
// d = 'Agriculture, forestry, fishing and hunting' ? '#A65628' ;
// }
function highlightFeature(e) {
var layer = e.target;
layer.setStyle({
weight: 5,
color: '#666',
dashArray: '',
fillOpacity: 0.7
});
if (!L.Browser.ie && !L.Browser.opera) {
layer.bringToFront();
}
info.update(layer.feature.properties);
}
//var geojson;
function resetHighlight(e) {
geojsonLayer.resetStyle(e.target);
info.update();
}
function zoomToFeature(e) {
map.fitBounds(e.target.getBounds());
}
function onEachFeature(feature, layer) {
layer.on({
mouseover: highlightFeature,
mouseout: resetHighlight,
click: zoomToFeature
});
}
map.attributionControl.addAttribution('Population data © <a href="http://census.gov/">US Census Bureau</a>');
// var legend = L.control({position: 'bottomright'});
//
// legend.onAdd = function (map) {
//
// var div = L.DomUtil.create('div', 'info legend'),
// grades = function (a, d) {
// if (a.indexOf(d.naics_description) === -1) {
// a.push(d.naics_description);
// }
// return a;
// }, [],
// labels = [];
//
// for (var i = 0; i < grades.length; i++) {
// labels.push(
// '<i style="background:' + getColor(i) + '"></i> '
// );
// }
//
// div.innerHTML = labels.join('<br>');
// return div;
// };
//
// legend.addTo(map);
</script>
</body>
</html>