TerrainControl

React component that wraps the base library's TerrainControl class.

import * as React from 'react';
import {Map, MapStyle, TerrainControl} from '@vis.gl/react-maplibre';
import 'maplibre-gl/dist/maplibre-gl.css';

// https://maplibre.org/maplibre-gl-js/docs/examples/3d-terrain/
const MAP_STYLE: MapStyle = {
  version: 8,
  sources: {
    osm: {
      type: 'raster',
      tiles: ['https://a.tile.openstreetmap.org/{z}/{x}/{y}.png'],
      tileSize: 256,
      attribution: '© OpenStreetMap Contributors',
      maxzoom: 19
    },
    terrainSource: {
      type: 'raster-dem',
      url: 'https://demotiles.maplibre.org/terrain-tiles/tiles.json',
      tileSize: 256
    }
  },
  layers: [
    {
      id: 'osm',
      type: 'raster',
      source: 'osm'
    }
  ],
  terrain: {
    source: 'terrainSource',
    exaggeration: 1
  },
  sky: {}
};

function App() {
  return <Map
    initialViewState={{
      longitude: -100,
      latitude: 40,
      zoom: 3.5
    }}
    mapStyle={MAP_STYLE}
  >
    <TerrainControl />
  </Map>;
}

Properties

Reactive Properties

style: CSSProperties

CSS style override that applies to the control's container.

Other Properties

The properties in this section are not reactive. They are only used when the component first mounts.

Any options supported by the TerrainControl class, such as

• source
• exageration

Plus the following:

position: 'top-right' | 'top-left' | 'bottom-right' | 'bottom-left'

Default: 'top-right'

Placement of the control relative to the map.

Source

terrain-control.ts