How to display a map legend control to toggle layers visualization
This tutorial shows how to display a map legend control to toggle layers visualization.
Copy the following code, paste it into your favorite text editor, and save it as a
YOUR_MAPTILER_API_KEY_HEREwith your actual MapTiler API key.
The next it’s up to you. You can start the map in a different place by modifying the
starting zoom, and you can change the look of the map to any of our styles, or yours, by updating the
style URL. See what’s available here.
<head>of your HTML file. To create the legend we will use the maplibre-gl-legend plugin.
Add event handler for map
loadevent. You will add code to create a vector source and a vector layer in this handler.
Create the list of layers that we want to show in the legend. For each layer we must create a key:value pair where the key is the ID of the layer in the map style and the value is text that is displayed in the legend.
maplibre-gl-legendcontrol to the map.
Check out the MapTiler Planet schema to know how it is organized into different thematic layers and which attribute and values each layer contains.
- Get Started
- Learn the basics
- Display Marker
- GeoJSON Layer
- Raster Layer
- Custom Map
- 3D Map
- Choropleth GeoJSON
- Reverse Geocoding
- Geocoder component
- Countries filter
- Countries with data
- Elevation profile
- Center map by IP
- Disputed borders by IP
- Map language by IP
- Cookie consent by IP
- Scale control
- Style switcher
- Minimap control
- Legend control
- Choropleth Legend