Layers (32)
Display buildings in 3DExtrude polygons for 3D indoor mappingAdd a 3D modelAdjust a layer's opacityAnimate a lineAnimate a series of imagesAnimate a pointChange building color based on zoom levelChange the case of labelsDisplay HTML clusters with custom propertiesCreate and style clustersChange a layer's color with buttonsAdd a custom style layerStyle circles with a data-driven propertyStyle lines with a data-driven propertyDisplay and style rich text labelsUse a fallback imageAdd a pattern to a polygonAdd a new layer below labelsAdd a GeoJSON lineDraw GeoJSON pointsAdd hillshadingCreate a heatmap layerCreate a gradient line using an expressionAdd multiple geometries from one GeoJSON sourceStyle ocean depth dataShow and hide layersUpdate a choropleth layer by zoom levelChange worldview of administrative boundariesVariable label placementVisualize population densityAdd a GeoJSON polygon

Extrude polygons for 3D indoor mapping

Create a 3D indoor map with the fill-extrude-height paint property.

<!DOCTYPE html>
<meta charset="utf-8" />
<title>Extrude polygons for 3D indoor mapping</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script src="https://api.mapbox.com/mapbox-gl-js/v1.6.1/mapbox-gl.js"></script>
<link href="https://api.mapbox.com/mapbox-gl-js/v1.6.1/mapbox-gl.css" rel="stylesheet" />
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; };
<div id="map"></div>
mapboxgl.accessToken = '<your access token here>';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/streets-v11',
center: [-87.61694, 41.86625],
zoom: 15.99,
pitch: 40,
bearing: 20,
antialias: true
map.on('load', function() {
'id': 'room-extrusion',
'type': 'fill-extrusion',
'source': {
// GeoJSON Data source used in vector tiles, documented at
// https://gist.github.com/ryanbaumann/a7d970386ce59d11c16278b90dde094d
'type': 'geojson',
'paint': {
// See the Mapbox Style Specification for details on data expressions.
// https://docs.mapbox.com/mapbox-gl-js/style-spec/#expressions
// Get the fill-extrusion-color from the source 'color' property.
'fill-extrusion-color': ['get', 'color'],
// Get fill-extrusion-height from the source 'height' property.
'fill-extrusion-height': ['get', 'height'],
// Get fill-extrusion-base from the source 'base_height' property.
'fill-extrusion-base': ['get', 'base_height'],
// Make extrusions slightly opaque for see through indoor walls.
'fill-extrusion-opacity': 0.5
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