59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
if (![].at) {
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Array.prototype.at = function(pos) { return this.slice(pos, pos + 1)[0] }
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}
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function emoji_icon(emoji) {
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var iconStyle = "<div style='background-color: white; border-radius: 50%; width: 30px; height: 30px; display: flex; justify-content: center; align-items: center; border: 1px solid black;'> <div style='font-size: 18px;'>" + emoji + "</div></div>";
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return L.divIcon({
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className: 'custom-div-icon',
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html: iconStyle,
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iconSize: [60, 60],
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iconAnchor: [15, 15],
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});
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}
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var icons = {
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"station": emoji_icon("🚉"),
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"airport": emoji_icon("✈️"),
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"accommodation": emoji_icon("🏨"),
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"conference": emoji_icon("🎤"),
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}
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function build_map(map_id, coordinates, routes) {
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// Initialize the map
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var map = L.map(map_id).fitBounds(coordinates.map(function(station) {
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return [station.latitude, station.longitude];
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}));
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// Set up the tile layer
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L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
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attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
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}).addTo(map);
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// Add markers with appropriate icons to the map
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coordinates.forEach(function(item) {
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var marker = L.marker([item.latitude, item.longitude], { icon: icons[item.type] }).addTo(map);
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marker.bindPopup(item.name);
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});
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// Draw routes
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routes.forEach(function(route) {
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var color = {"train": "blue", "flight": "red"}[route.type];
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var style = { weight: 3, opacity: 0.5, color: color };
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if (route.geojson) {
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// If route is defined as GeoJSON
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L.geoJSON(JSON.parse(route.geojson), {
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style: function(feature) { return style; }
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}).addTo(map);
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} else if (route.type === "flight") {
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var flightPath = new L.Geodesic([[route.from, route.to]], style).addTo(map);
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} else {
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// If route is defined by 'from' and 'to' coordinates
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L.polyline([route.from, route.to], style).addTo(map);
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}
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});
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return map;
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}
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