Style Lines with a Data-Driven Property
Style line width and color based on feature properties using data-driven expressions.
const API_KEY = 'toursprung';
const map = new maptoolkit.Map({
container: 'map',
style: `https://static.maptoolkit.net/styles/toursprung/terrain.json?api_key=${API_KEY}`,
center: [12.0, 47.5],
zoom: 6,
attributionControl: { compact: false }
});
map.addControl(new maptoolkit.NavigationControl(), 'top-right');
map.on('load', () => {
map.addSource('routes', {
type: 'geojson',
data: {
type: 'FeatureCollection',
features: [
{
type: 'Feature',
geometry: { type: 'LineString', coordinates: [[11.39085, 47.27574], [13.0550, 47.8095], [16.3738, 48.2082]] },
properties: { name: 'Innsbruck–Vienna', speed: 200, type: 'highway' }
},
{
type: 'Feature',
geometry: { type: 'LineString', coordinates: [[11.39085, 47.27574], [8.5417, 47.3769]] },
properties: { name: 'Innsbruck–Zurich', speed: 120, type: 'regional' }
},
{
type: 'Feature',
geometry: { type: 'LineString', coordinates: [[13.0550, 47.8095], [15.4395, 47.0707]] },
properties: { name: 'Salzburg–Graz', speed: 80, type: 'local' }
}
]
}
});
map.addLayer({
id: 'routes',
type: 'line',
source: 'routes',
paint: {
'line-width': ['match', ['get', 'type'], 'highway', 6, 'regional', 4, 2],
'line-color': ['match', ['get', 'type'], 'highway', '#ee8a65', 'regional', '#3887be', '#56b881']
}
});
});<!DOCTYPE html>
<html lang="en">
<head>
<title>Style Lines with a Data-Driven Property – Maptoolkit Maps JS</title>
<meta property="og:description" content="Style line width and color based on feature properties using data-driven expressions." />
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src="https://unpkg.com/@maptoolkit/maps@11.0.0-beta.2/dist/maptoolkit.js"></script>
<link rel="stylesheet" href="https://unpkg.com/@maptoolkit/maps@11.0.0-beta.2/dist/maptoolkit.css" />
<style>
html, body { width: 100%; height: 100%; margin: 0; padding: 0; }
#map { width: 100%; height: 100%; }
</style>
</head>
<body>
<div id="map"></div>
<script>
const API_KEY = 'toursprung';
const map = new maptoolkit.Map({
container: 'map',
style: `https://static.maptoolkit.net/styles/toursprung/terrain.json?api_key=${API_KEY}`,
center: [12.0, 47.5],
zoom: 6,
attributionControl: { compact: false }
});
map.addControl(new maptoolkit.NavigationControl(), 'top-right');
map.on('load', () => {
map.addSource('routes', {
type: 'geojson',
data: {
type: 'FeatureCollection',
features: [
{
type: 'Feature',
geometry: { type: 'LineString', coordinates: [[11.39085, 47.27574], [13.0550, 47.8095], [16.3738, 48.2082]] },
properties: { name: 'Innsbruck–Vienna', speed: 200, type: 'highway' }
},
{
type: 'Feature',
geometry: { type: 'LineString', coordinates: [[11.39085, 47.27574], [8.5417, 47.3769]] },
properties: { name: 'Innsbruck–Zurich', speed: 120, type: 'regional' }
},
{
type: 'Feature',
geometry: { type: 'LineString', coordinates: [[13.0550, 47.8095], [15.4395, 47.0707]] },
properties: { name: 'Salzburg–Graz', speed: 80, type: 'local' }
}
]
}
});
map.addLayer({
id: 'routes',
type: 'line',
source: 'routes',
paint: {
'line-width': ['match', ['get', 'type'], 'highway', 6, 'regional', 4, 2],
'line-color': ['match', ['get', 'type'], 'highway', '#ee8a65', 'regional', '#3887be', '#56b881']
}
});
});
</script>
</body>
</html>