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Tangram Choropleth: Add Scene
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8" /> | |
<title>TangramJS - Add Scene to 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://unpkg.com/leaflet@1.0.3/dist/leaflet.js"></script> | |
<script src="https://unpkg.com/tangram/dist/tangram.min.js"></script> | |
<script> | |
var kentucky = [37.857507, -85.632935] | |
var map = L.map('map', { | |
center: kentucky, | |
zoom: 7, | |
}); | |
// ADD SCENE TO MAP | |
var layer = Tangram.leafletLayer({ | |
scene: 'scene.yaml' | |
}).addTo(map); | |
</script> | |
</body> | |
</html> |
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sources: | |
counties: | |
type: GeoJSON | |
url: https://gist.githubusercontent.com/maptastik/df8e483d5ac1c6cae3dc4a7c02ea9039/raw/9cd46849bddcfa90aab240772a12275408d6d8d0/kyCounties.geojson | |
carto_nolabel: | |
type: Raster | |
url: http://a.basemaps.cartocdn.com/light_nolabels/{z}/{x}/{y}.png | |
styles: | |
_alpha_polygons: | |
base: polygons | |
blend: multiply | |
layers: | |
basemap: | |
data: {source: carto_nolabel} | |
draw: | |
raster: | |
order: 0 | |
counties: | |
data: {source: counties} | |
draw: | |
lines: | |
color: '#000000' | |
width: 1px | |
order: 1 | |
polygons: | |
style: _alpha_polygons | |
order: 1 | |
color: | | |
function() { | |
var cat = feature.CH00_10; | |
var color = cat >= 5 ? '#2196F3' : | |
cat < 5 && cat >= 1 ? '#90CAF9': | |
cat < 1 && cat > -1 ? '#FFFDE7': | |
cat <= -1 && cat > -5 ? '#ef9a9a': | |
cat <= -5 ? '#f44336': | |
'#000' | |
return color; | |
} |
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