Style Specification

Examples

Add an animated icon to the map Add a generated icon to the map Generate and add a missing icon to the map Add an icon to the map Display a map with a custom style Display a satellite map Change a map's style Display a map

Display buildings in 3D Extrude polygons for 3D indoor mapping Add a 3D model Adjust a layer's opacity Animate a line Animate a series of images Animate a point Change building color based on zoom level Change the case of labels Display HTML clusters with custom properties Create and style clusters Change a layer's color with buttons Add a custom style layer Style circles with a data-driven property Style lines with a data-driven property Display and style rich text labels Add a pattern to a polygon Add a new layer below labels Add a GeoJSON line Draw GeoJSON points Add a GeoJSON polygon Create a heatmap layer Create a gradient line using an expression Add multiple geometries from one GeoJSON source Style ocean depth data Show and hide layers Change worldview of administrative boundaries Update a choropleth layer by zoom level Variable label placement Visualize population density Add hillshading

Join local JSON data with vector tile geometries Add an image Add live realtime data Update a feature in realtime Add a raster tile source Add a third party vector tile source Add a vector tile source Add a video Add a WMS source

User interaction (20)

Animate 3D buildings based on ambient sounds Disable map rotation Create a draggable Marker Create a draggable point Filter features within map view Filter symbols by text input Filter symbols by toggling a list Display a non-interactive map Change a map's language Measure distances Get coordinates of the mouse pointer Highlight features containing similar data Select features around a clicked point Get features under the mouse pointer Restrict map panning to an area Toggle interactions Create a time slider Highlight features within a bounding box Fit to the bounds of a LineString Create a hover effect

Animate map camera around a point Animate a point along a route Center the map on a clicked symbol Fit a map to a bounding box Slowly fly to a location Fly to a location Navigate the map with game-like controls Jump to a series of locations Play map locations as a slideshow Fly to a location based on scroll position Set pitch and bearing

Controls and overlays (17)

Animate a marker Change the default position for attribution Add custom icons with Markers Disable scroll zoom View a fullscreen map Locate the user Swipe between maps Display driving directions Show drawn polygon area Add a geocoder Add a marker using a place name Display map navigation controls Show polygon information on click Display a popup on click Display a popup on hover Display a popup Attach a popup to a marker instance

Supplement forward geocoding search results from another data source Use a custom render function with a geocoder Accept coordinates as input to a geocoder Limit geocoder results to a named region Place the geocoder input outside the map Use a custom camera animation with a geocoder Localize the geocoder to a given language Set a point after Geocoder result

Browser support (1)

Check for browser support

Internationalization support (2)

Use locally generated ideographs Add support for right-to-left scripts

Change the case of labels

Use the upcase and downcase expressions to change the case of labels.

<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>Change the case of labels</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v1.2.1/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v1.2.1/mapbox-gl.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>
<script>
mapboxgl.accessToken = '<your access token here>';
 
var map = new mapboxgl.Map({
container: 'map', // container id
style: 'mapbox://styles/mapbox/streets-v11', // stylesheet location
center: [-116.231, 43.604], // starting position [lng, lat]
zoom: 11 // starting zoom
});
 
map.on('load', function() {
map.addLayer({
'id': 'off-leash-areas',
'type': 'symbol',
// data from opendata.cityofboise.org/
'source': {
'type': 'geojson',
'data': 'https://docs.mapbox.com/mapbox-gl-js/assets/boise.geojson'
 
},
"layout": {
"icon-image": 'dog-park-11',
"text-field": ['format',
['upcase', ['get', 'FacilityName']], { 'font-scale': .8 },
'\n', {},
['downcase', ['get', 'Comments']], { 'font-scale': .6 }],
"text-font": ["Open Sans Semibold", "Arial Unicode MS Bold"],
"text-offset": [0, 0.6],
"text-anchor": "top"
}
});
 
});
</script>
</div>
 
</body>
</html>

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