Created
February 2, 2021 23:55
-
-
Save ThomasG77/867491f6299f0ed2cfb5d72735b585ea to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset='utf-8' /> | |
<title>Demo raster tile source + GeoJSON line + onclick on map</title> | |
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
<script src='https://cdn.maptiler.com/maplibre-gl-js/v1.13.0-rc.4/mapbox-gl.js'></script> | |
<link href='https://cdn.maptiler.com/maplibre-gl-js/v1.13.0-rc.4/mapbox-gl.css' rel='stylesheet' /> | |
<style> | |
body { | |
margin: 0; | |
padding: 0; | |
} | |
#map { | |
position: absolute; | |
top: 0; | |
bottom: 0; | |
width: 100%; | |
} | |
</style> | |
</head> | |
<body> | |
<div id='map'></div> | |
<script> | |
var map = new mapboxgl.Map({ | |
container: 'map', // container id | |
style: { | |
"version": 8, | |
"sources": { | |
"raster-tiles": { | |
"type": "raster", | |
"tiles": ["a", "b", "c"].map(subdomain => "http://" + subdomain + ".tile.openstreetmap.org/{z}/{x}/{y}.png"), | |
"tileSize": 256 | |
} | |
}, | |
"layers": [{ | |
"id": "simple-tiles", | |
"type": "raster", | |
"source": "raster-tiles", | |
"minzoom": 0, | |
"maxzoom": 20 | |
}] | |
}, | |
center: [1.50, 44], // starting position | |
zoom: 5 // starting zoom | |
}); | |
// Not working as there is a CORS issue | |
// var url = 'http://gisgeek.com/BikeTrails2.geojson'; | |
var url = 'https://d2ad6b4ur7yvpq.cloudfront.net/naturalearth-3.3.0/ne_10m_rivers_europe.geojson'; | |
map.on('load', function () { | |
map.addSource('rivers', {'type': 'geojson', 'data': url}); | |
map.addLayer({ | |
'id': 'rivers', | |
'type': 'line', | |
'source': 'rivers', | |
'layout': { | |
'line-join': 'round', | |
'line-cap': 'round' | |
}, | |
'paint': { | |
'line-color': '#0000ff', | |
'line-width': 2 | |
} | |
}); | |
}); | |
map.on('click', function(e) { | |
console.log(e); | |
var features = map.queryRenderedFeatures(e.point, { | |
layers: ['rivers'] | |
}); | |
if (!features.length) { | |
return; | |
} | |
var feature = features[0]; | |
// console.log(feature); | |
var popup = new mapboxgl.Popup({ | |
offset: [0, -15] | |
}).setLngLat(e.lngLat).setHTML('<h2>' + feature.properties.featureclass + '</h2>' + "Name : " + feature.properties.name + '</h3><br>' + "Id : " + feature.properties.rivernum).addTo(map); | |
}); | |
map.on('mousemove', function(e) { | |
var features = map.queryRenderedFeatures(e.point, { | |
layers: ['rivers'] | |
}); | |
map.getCanvas().style.cursor = (features.length) ? 'pointer' : ''; | |
}); | |
</script> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment