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helper-multiLineString.html
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<!doctype html>
<html lang="en">
<head>
<link rel="stylesheet" href="https://rawcdn.githack.com/openlayers/openlayers.github.io/master/en/v5.3.0/css/ol.css" type="text/css">
<link rel="stylesheet" href="assets/css/styles.css" type="text/css">
<script src="//cdn.jsdelivr.net/npm/@turf/turf@5/turf.min.js"></script>
<script src="https://rawcdn.githack.com/openlayers/openlayers.github.io/master/en/v5.3.0/build/ol.js" type="text/javascript"></script>
<title>Turf and OpenLayers 3 - Helper multiLineString</title>
</head>
<body>
<div id="map" class="map"></div>
<script type="text/javascript">
// Declare linestring coordinates
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// Then properties
var properties = {
'osm_id': '64033',
'name': '3 Marcel Paul > Neustrie',
'type': 'route',
'route': 'tram',
'ref': '3',
'operator': 'SEMITAN',
'colour': '#007cc3'
};
// Create the tram line Marcel Paul > Neustrie, Nantes
var line1 = turf.multiLineString(coordinates, properties);
// Declare a formatter to read GeoJSON
var format = new ol.format.GeoJSON();
// Declare a source
var vectorSource = new ol.source.Vector();
// When reading feature, reproject to EPSG 3857
var feature = format.readFeature(line1, {
featureProjection: 'EPSG:3857'
});
// Add a feature
vectorSource.addFeature(feature);
// Declare a vector layer with the already
// created source containing added features
var vectorLayer = new ol.layer.Vector({
source: vectorSource,
style: [
new ol.style.Style({
stroke: new ol.style.Stroke({
color: 'white',
width: 5
})
}),
new ol.style.Style({
stroke: new ol.style.Stroke({
color: properties['colour'],
width: 3
})
})
]
});
// Instanciate a map and add layers
var map = new ol.Map({
target: 'map',
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
}),
vectorLayer
],
view: new ol.View({
center: ol.proj.transform(
[-1.563046, 47.214751],
'EPSG:4326',
'EPSG:3857'
),
zoom: 12
})
});
</script>
</body>
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