Examples
Styles (10)Add an animated icon to the mapAdd a generated icon to the mapGenerate and add a missing icon to the mapAdd an icon to the mapAdd a stretchable image to the mapDisplay a map with a custom styleRender world copiesDisplay a satellite mapChange a map's styleDisplay a mapLayers (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 labelsCreate and style clustersDisplay HTML clusters with custom propertiesChange 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 a GeoJSON polygonCreate a heatmap layerAdd hillshadingCreate a gradient line using an expressionAdd multiple geometries from one GeoJSON sourceStyle ocean depth dataShow and hide layersChange worldview of administrative boundariesUpdate a choropleth layer by zoom levelVariable label placementVisualize population densitySources (10)Add a canvas sourceJoin local JSON data with vector tile geometriesAdd an imageAdd live realtime dataUpdate a feature in realtimeAdd a raster tile sourceAdd a third party vector tile sourceAdd a vector tile sourceAdd a videoAdd a WMS sourceUser interaction (20)Animate 3D buildings based on ambient soundsDisable map rotationCreate a draggable MarkerCreate a draggable pointFilter features within map viewFilter symbols by text inputFilter symbols by toggling a listCreate a hover effectDisplay a non-interactive mapChange a map's languageMeasure distancesGet coordinates of the mouse pointerHighlight features containing similar dataSelect features around a clicked pointGet features under the mouse pointerRestrict map panning to an areaCreate a time sliderToggle interactionsFit to the bounds of a LineStringHighlight features within a bounding boxCamera (11)Animate map camera around a pointAnimate a point along a routeCenter the map on a clicked symbolFit a map to a bounding boxSlowly fly to a locationNavigate the map with game-like controlsJump to a series of locationsPlay map locations as a slideshowFly to a location based on scroll positionSet pitch and bearingFly to a locationControls and overlays (17)Animate a markerChange the default position for attributionAdd custom icons with MarkersDisable scroll zoomView a fullscreen mapLocate the userSwipe between mapsDisplay driving directionsShow drawn polygon areaAdd a geocoderAdd a marker using a place nameDisplay map navigation controlsShow polygon information on clickDisplay a popup on clickDisplay a popup on hoverDisplay a popupAttach a popup to a marker instanceGeocoder (8)Use a custom render function with a geocoderAccept coordinates as input to a geocoderLimit geocoder results to a named regionPlace the geocoder input outside the mapLocalize the geocoder to a given languageUse a custom camera animation with a geocoderSet a point after Geocoder resultSupplement forward geocoding search results from another data sourceBrowser support (1)Check for browser supportInternationalization support (2)Use locally generated ideographsAdd support for right-to-left scripts

Create a heatmap layer

Visualize earthquake frequency by location using a heatmap layer.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Create a heatmap layer</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script src="https://api.mapbox.com/mapbox-gl-js/v1.9.0/mapbox-gl.js"></script>
<link href="https://api.mapbox.com/mapbox-gl-js/v1.9.0/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',
style: 'mapbox://styles/mapbox/dark-v10',
center: [-120, 50],
zoom: 2
});
map.on('load', function() {
// Add a geojson point source.
// Heatmap layers also work with a vector tile source.
map.addSource('earthquakes', {
'type': 'geojson',
'data':
'https://docs.mapbox.com/mapbox-gl-js/assets/earthquakes.geojson'
});
map.addLayer(
{
'id': 'earthquakes-heat',
'type': 'heatmap',
'source': 'earthquakes',
'maxzoom': 9,
'paint': {
// Increase the heatmap weight based on frequency and property magnitude
'heatmap-weight': [
'interpolate',
['linear'],
['get', 'mag'],
0,
0,
6,
1
],
// Increase the heatmap color weight weight by zoom level
// heatmap-intensity is a multiplier on top of heatmap-weight
'heatmap-intensity': [
'interpolate',
['linear'],
['zoom'],
0,
1,
9,
3
],
// Color ramp for heatmap. Domain is 0 (low) to 1 (high).
// Begin color ramp at 0-stop with a 0-transparancy color
// to create a blur-like effect.
'heatmap-color': [
'interpolate',
['linear'],
['heatmap-density'],
0,
'rgba(33,102,172,0)',
0.2,
'rgb(103,169,207)',
0.4,
'rgb(209,229,240)',
0.6,
'rgb(253,219,199)',
0.8,
'rgb(239,138,98)',
1,
'rgb(178,24,43)'
],
// Adjust the heatmap radius by zoom level
'heatmap-radius': [
'interpolate',
['linear'],
['zoom'],
0,
2,
9,
20
],
// Transition from heatmap to circle layer by zoom level
'heatmap-opacity': [
'interpolate',
['linear'],
['zoom'],
7,
1,
9,
0
]
}
},
'waterway-label'
);
map.addLayer(
{
'id': 'earthquakes-point',
'type': 'circle',
'source': 'earthquakes',
'minzoom': 7,
'paint': {
// Size circle radius by earthquake magnitude and zoom level
'circle-radius': [
'interpolate',
['linear'],
['zoom'],
7,
['interpolate', ['linear'], ['get', 'mag'], 1, 1, 6, 4],
16,
['interpolate', ['linear'], ['get', 'mag'], 1, 5, 6, 50]
],
// Color circle by earthquake magnitude
'circle-color': [
'interpolate',
['linear'],
['get', 'mag'],
1,
'rgba(33,102,172,0)',
2,
'rgb(103,169,207)',
3,
'rgb(209,229,240)',
4,
'rgb(253,219,199)',
5,
'rgb(239,138,98)',
6,
'rgb(178,24,43)'
],
'circle-stroke-color': 'white',
'circle-stroke-width': 1,
// Transition from heatmap to circle layer by zoom level
'circle-opacity': [
'interpolate',
['linear'],
['zoom'],
7,
0,
8,
1
]
}
},
'waterway-label'
);
});
</script>
</body>
</html>
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