Learn how to change a basemap style in a map using the basemap styles service v2 .
The basemap styles service provides a number basemap layer styles such as topography, streets, and imagery that you can use in maps. The basemap styles service v2 comes with additional styles including: ArcGIS Outdoor, OSM Navigation, and OSM Blueprint.
In this tutorial, you use a <select> dropdown menu to toggle between a number of different basemap layer styles.
Prerequisites You need an ArcGIS Developer or ArcGIS Online account to access the developer dashboard and create an API key .
Steps Create a new pen Go to CodePen to create a new pen for your application. Set the API key To access location services , you need an API key or OAuth 2.0 access token . To learn how to create and scope your key, visit the Create an API key tutorial.
Go to your dashboard to get an API key. The API key must be scoped to access the services used in this tutorial.
In CodePen , update api to use your key.
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const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "arcgis/streets" ;
const map = new maplibregl.Map({
container : "map" , // the id of the div element
style : `https://basemapstyles-api.arcgis.com/arcgis/rest/services/styles/v2/styles/ ${basemapEnum} ?token= ${apiKey} ` ,
zoom : 12 , // starting zoom
center : [- 118.805 , 34.027 ] // starting location [longitude, latitude]
});
Add a selector Create a <div> tag to contain the <select> dropdown menu. Add basemap layer enumerations from the v2 basemap styles service as <option>s.
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</ style >
< script src = https://unpkg.com/maplibre-gl@3.2.1/dist/maplibre-gl.js > </ script >
< link href = https://unpkg.com/maplibre-gl@3.2.1/dist/maplibre-gl.css rel = "stylesheet" />
</ head >
< body >
< div id = "map" > </ div >
< div id = "basemaps-wrapper" >
< select id = "basemaps" >
< option value = "arcgis/outdoor" > arcgis/outdoor </ option >
< option value = "arcgis/community" > arcgis/community </ option >
< option value = "arcgis/navigation" > arcgis/navigation </ option >
< option value = "arcgis/streets" > arcgis/streets </ option >
< option value = "arcgis/streets-relief" > arcgis/streets-relief </ option >
< option value = "arcgis/imagery" > arcgis/imagery </ option >
< option value = "arcgis/oceans" > arcgis/oceans </ option >
< option value = "arcgis/topographic" > arcgis/topographic </ option >
< option value = "arcgis/light-gray" > arcgis/light-gray </ option >
< option value = "arcgis/dark-gray" > arcgis/dark-gray </ option >
< option value = "arcgis/human-geography" > arcgis/human-geography </ option >
< option value = "arcgis/charted-territory" > arcgis/charted-territory </ option >
< option value = "arcgis/nova" > arcgis/nova </ option >
< option value = "osm/standard" > osm/standard </ option >
< option value = "osm/navigation" > osm/navigation </ option >
< option value = "osm/streets" > osm/streets </ option >
< option value = "osm/blueprint" > osm/blueprint </ option >
</ select >
</ div >
In the <style> element, add CSS styling to the basemaps-wrapper and basemaps.
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< style >
html ,
body ,
#map {
padding : 0 ;
margin : 0 ;
height : 100% ;
width : 100% ;
font-family : Arial, Helvetica, sans-serif;
font-size : 14px ;
color : #323232 ;
}
#basemaps-wrapper {
position : absolute;
top : 20px ;
right : 20px ;
background : rgba ( 255 , 255 , 255 , 0 );
}
#basemaps {
font-size : 16px ;
padding : 4px 8px ;
}
</ style >
< script src = https://unpkg.com/maplibre-gl@3.2.1/dist/maplibre-gl.js > </ script >
< link href = https://unpkg.com/maplibre-gl@3.2.1/dist/maplibre-gl.css rel = "stylesheet" />
Set the basemap Use a function to reference the basemap styles service and a style enumeration to update the map . This will be used when a selection is made.
Create a base and a url element. The url element will append the name of the basemap selected from the dropdown menu.
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< script >
const apiKey = "YOUR_API_KEY" ;
const basemapEnum = "arcgis/outdoor" ;
const map = new maplibregl.Map({
container : "map" , // the id of the div element
style : `https://basemapstyles-api.arcgis.com/arcgis/rest/services/styles/v2/styles/ ${basemapEnum} ?token= ${apiKey} ` ,
zoom : 12 , // starting zoom
center : [- 118.805 , 34.027 ], // starting location [longitude, latitude]
attributionControl : false
}).addControl(
new maplibregl.AttributionControl({
compact : true // reduces the copyright attributions view
})
);
const baseUrl = "https://basemapstyles-api.arcgis.com/arcgis/rest/services/styles/v2/styles" ;
const url = ( style ) => ` ${baseUrl} / ${style} ?token= ${apiKey} ` ;
Set the style of the map with the new basemap layer .
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const baseUrl = "https://basemapstyles-api.arcgis.com/arcgis/rest/services/styles/v2/styles" ;
const url = ( style ) => ` ${baseUrl} / ${style} ?token= ${apiKey} ` ;
const setBasemap = ( style ) => {
// Instantiate the given basemap layer.
map.setStyle(url(style));
};
Run the code to ensure that the <select> element contains different basemap enumerations.
Add an event listener Use an event listener to register a basemap change in the <select> element and to update the map.
Set the default basemap to arcgis/outdoor.
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const setBasemap = ( style ) => {
// Instantiate the given basemap layer.
map.setStyle(url(style));
};
setBasemap( "arcgis/outdoor" );
Create a basemaps to return the basemap from the selector.
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setBasemap( "arcgis/outdoor" );
const basemapsSelectElement = document .querySelector( "#basemaps" );
Add an event listener to update the map to the new basemap when the selector is changed.
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const basemapsSelectElement = document .querySelector( "#basemaps" );
basemapsSelectElement.addEventListener( "change" , ( e ) => {
setBasemap(e.target.value);
console .log(e.target.value);
});
Run the app In CodePen , run your code to display the map.
You should be able to use the select element to switch between basemap layers.
What's next? Learn how to use additional ArcGIS location services in these tutorials:
