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@mfincker

mfincker/.block

Last active September 15, 2017 17:01
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MapboxGL choropleth
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.block
license: mit
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README.md
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index.html
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title></title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.40.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.40.0/mapbox-gl.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<style>
.legend {
background-color: #fff;
border-radius: 3px;
bottom: 30px;
box-shadow: 0 1px 2px rgba(0,0,0,0.10);
font: 12px/20px 'Helvetica Neue', Arial, Helvetica, sans-serif;
padding: 10px;
position: absolute;
right: 10px;
z-index: 1;
}
.legend h4 {
margin: 0 0 10px;
}
.legend div span {
border-radius: 50%;
display: inline-block;
height: 10px;
margin-right: 5px;
width: 10px;
}
#tooltip {
position: absolute;
top: 0;
left:0;
border: 1px solid black;
}
#layers {
position: absolute;
top: 0;
left:0;
}
}
</style>
<div id='map'></div>
<div id="tooltip">Test</div>
<div id="layers">
<ul>
<li><label><input type="radio" name="layers" value="poverty_rate_hispanic"> poverty_rate_hispanic</label>
<li><label><input type="radio" name="layers" value="poverty_rate" checked> poverty_rate</label>
</ul>
</div>
<div id='state-legend' class='legend'>
<h4>Population</h4>
<div><span style='background-color: #723122'></span>25,000,000</div>
<div><span style='background-color: #8B4225'></span>10,000,000</div>
<div><span style='background-color: #A25626'></span>7,500,000</div>
<div><span style='background-color: #B86B25'></span>5,000,000</div>
<div><span style='background-color: #CA8323'></span>2,500,000</div>
<div><span style='background-color: #DA9C20'></span>1,000,000</div>
<div><span style='background-color: #E6B71E'></span>750,000</div>
<div><span style='background-color: #EED322'></span>500,000</div>
<div><span style='background-color: #F2F12D'></span>0</div>
</div>
<div id='county-legend' class='legend' style='display: none;'>
<h4>Population</h4>
<div><span style='background-color: #723122'></span>1,000,000</div>
<div><span style='background-color: #8B4225'></span>500,000</div>
<div><span style='background-color: #A25626'></span>100,000</div>
<div><span style='background-color: #B86B25'></span>50,000</div>
<div><span style='background-color: #CA8323'></span>10,000</div>
<div><span style='background-color: #DA9C20'></span>5,000</div>
<div><span style='background-color: #E6B71E'></span>1,000</div>
<div><span style='background-color: #EED322'></span>100</div>
<div><span style='background-color: #F2F12D'></span>0</div>
</div>
<script>
mapboxgl.accessToken = 'pk.eyJ1Ijoic3RhbWVuIiwiYSI6IlpkZEtuS1EifQ.jiH_c9ShtBwtqH9RdG40mw';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/light-v9',
center: [-98, 38.88],
minZoom: 3,
zoom: 3
});
// var zoomThreshold = 4;
map.on('load', function() {
map.addSource('county_geo_data', {
'type': 'vector',
'url': 'mapbox://stamen.cccc8kgi'
});
map.addSource('tract_geo_data', {
'type': 'vector',
'url': 'mapbox://stamen.42zqg3sk'
});
map.addSource('block_geo_data', {
'type': 'vector',
'url': 'mapbox://stamen.0ujdjkh2'
});
map.addLayer({
'id': 'county',
'source': 'county_geo_data',
'source-layer': 'county_geo_data',
'maxZoom': 9,
'type': 'fill',
'paint': {
'fill-color': {
property: 'poverty_rate',
stops: [
[0, '#F2F12D'],
[0.1, '#EED322'],
[0.2, '#E6B71E'],
[0.3, '#DA9C20'],
[0.4, '#CA8323']
]
},
'fill-opacity': 0.75
}
}, 'waterway-label');
map.on('mousemove', 'county', function (e) {
var features = map.queryRenderedFeatures(e.point);
document.getElementById('tooltip').style.top = event.clientY - 25 + 'px';
document.getElementById('tooltip').style.left = event.clientX + 'px';
document.getElementById('tooltip').innerHTML = features[0].properties.NAME;
console.log(features)});
document.getElementById("layers").addEventListener('click', changeLayer, false);
function changeLayer(e) {
if (e.target.value && e.target !== e.currentTarget) {
console.log(e.target.value)
map.setPaintProperty('county', 'fill-color', {
property: e.target.value,
stops: [
[0, '#F2F12D'],
[0.1, '#EED322'],
[0.2, '#E6B71E'],
[0.3, '#DA9C20'],
[0.4, '#CA8323']
]
});
}
e.stopPropagation();
}
map.addLayer({
'id': 'tract',
'source': 'tract_geo_data',
'source-layer': 'tract_geo_data',
'maxZoom': 12,
'type': 'fill',
'paint': {
'fill-color': {
property: 'poverty_rate',
stops: [
[0, '#F2F12D'],
[0.1, '#EED322'],
[0.2, '#E6B71E'],
[0.3, '#DA9C20'],
[0.4, '#CA8323']
]
},
'fill-opacity': 0.75
}
}, 'waterway-label');
map.addLayer({
'id': 'block',
'source': 'block_geo_data',
'source-layer': 'block_geo_data',
'minZoom': 10,
'maxZoom': 12,
'type': 'fill',
'paint': {
'fill-color': {
property: 'poverty_rate',
stops: [
[0, '#F2F12D'],
[0.1, '#EED322'],
[0.2, '#E6B71E'],
[0.3, '#DA9C20'],
[0.4, '#CA8323']
]
},
'fill-opacity': 0.75
}
}, 'waterway-label');
// map.addLayer({
// 'id': 'county-population',
// 'source': 'population',
// 'source-layer': 'state_county_population_2014_cen',
// 'minzoom': zoomThreshold,
// 'type': 'fill',
// 'filter': ['==', 'isCounty', true],
// 'paint': {
// 'fill-color': {
// property: 'population',
// stops: [
// [0, '#F2F12D'],
// [100, '#EED322'],
// [1000, '#E6B71E'],
// [5000, '#DA9C20'],
// [10000, '#CA8323'],
// [50000, '#B86B25'],
// [100000, '#A25626'],
// [500000, '#8B4225'],
// [1000000, '#723122']
// ]
// },
// 'fill-opacity': 0.75
// }
// }, 'waterway-label');
});
// var stateLegendEl = document.getElementById('state-legend');
// var countyLegendEl = document.getElementById('county-legend');
// map.on('zoom', function() {
// if (map.getZoom() > zoomThreshold) {
// stateLegendEl.style.display = 'none';
// countyLegendEl.style.display = 'block';
// } else {
// stateLegendEl.style.display = 'block';
// countyLegendEl.style.display = 'none';
// }
// });
</script>
</body>
</html>
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