Add geometry
Estimated reading time: 2 minutesCheck out this code sample that uses the React Native library to add a geometry from GeoJSON onto your map.
import React from 'react';
import {StyleSheet, View} from 'react-native';
import MapLibreGL from '@react-native-mapbox-gl/maps';
import {accessToken} from '../../config';
const styles = StyleSheet.create({
page: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: '#F5FCFF',
},
container: {
width: '100%',
height: '100%',
backgroundColor: 'white',
},
map: {
flex: 1,
},
});
const AddGeometry = () => {
return (
<View style={styles.page}>
<View style={styles.container}>
<MapLibreGL.MapView
style={styles.map}
logoEnabled={false}
attributionEnabled={true}
attributionPosition={{bottom: 8, left: 8}}
styleURL={`https://api.jawg.io/styles/jawg-sunny.json?access-token=${accessToken}`}>
<MapLibreGL.Camera
defaultSettings={{
centerCoordinate: [2.3488, 48.8534],
zoomLevel: 10,
}}
/>
<MapLibreGL.ShapeSource id="route-source" shape={geoJsonFeature}>
<MapLibreGL.LineLayer
id="route-layer"
style={{
lineColor: 'steelblue',
lineWidth: 4,
lineJoin: 'round',
lineCap: 'round',
}}
/>
</MapLibreGL.ShapeSource>
</MapLibreGL.MapView>
</View>
</View>
);
};
const geoJsonFeature = {
type: 'Feature',
properties: {},
geometry: {
type: 'LineString',
coordinates: [
[2.319887, 48.90046],
[2.329981, 48.901163],
[2.38515, 48.902008],
[2.394906, 48.898444],
[2.397627, 48.894578],
[2.398846, 48.887109],
[2.408308, 48.880409],
[2.41327, 48.872892],
[2.413838, 48.864376],
[2.416341, 48.849234],
[2.412246, 48.834539],
[2.422139, 48.835798],
[2.41939, 48.842577],
[2.42813, 48.841528],
[2.447699, 48.844818],
[2.463438, 48.842089],
[2.467426, 48.838891],
[2.467582, 48.833133],
[2.462696, 48.81906],
[2.458705, 48.81714],
[2.438448, 48.818232],
[2.421462, 48.824054],
[2.406032, 48.827615],
[2.390939, 48.826079],
[2.379296, 48.821214],
[2.363947, 48.816314],
[2.345958, 48.816036],
[2.331898, 48.817011],
[2.332461, 48.818247],
[2.292196, 48.827142],
[2.279052, 48.83249],
[2.272793, 48.82792],
[2.263174, 48.83398],
[2.255144, 48.83481],
[2.251709, 48.838822],
[2.250612, 48.845555],
[2.239978, 48.849702],
[2.224219, 48.853517],
[2.228225, 48.865183],
[2.231736, 48.869069],
[2.245678, 48.876435],
[2.25541, 48.874264],
[2.258467, 48.880387],
[2.277487, 48.877968],
[2.282327, 48.883923],
[2.291507, 48.889472],
[2.319887, 48.90046],
],
},
};
export default AddGeometry;