travelynx/templates/_map.html.ep

<div class="row">
	<div class="col s12">
		<div id="map" style="height: 500px;">
		</div>
	</div>
</div>

<div class="row">
	<div class="col s12">
		<span style="color: #f03;">●</span> Ein-/Ausstiegsstation<br/>
		<span style="color: #f09;">—</span> Luftlinie zwischen Unterwegshalten
	</div>
</div>

<script>
var map = L.map('map').setView([51.306, 9.712], 6);

L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
    attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map);

var stations = [
% for my $station ( @{stash('station_coordinates') // [] } ) {
[[<%= $station->[0][0] %>,<%= $station->[0][1] %>],'<%= $station->[1] %>'],
% }
];

var routes = [
% for my $pair ( @{stash('station_pairs') // [] } ) {
[[<%= $pair->[0][0] %>,<%= $pair->[0][1] %>],[<%= $pair->[1][0] %>,<%= $pair->[1][1] %>]],
% }
];

for (var station_id in stations) {
	L.circle(stations[station_id][0], {
		color: '#f03',
		fillColor: '#f03',
		fillOpacity: 0.5,
		radius: 250
	}).bindPopup(stations[station_id][1]).addTo(map);
}

var pl = L.polyline(routes, {color: '#f09', opacity: 0.5}).addTo(map);
if (routes.length) {
	map.fitBounds(pl.getBounds());
}

</script>