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// different basemap
// L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
// attribution: '© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
// }).addTo(map);
function plotPointsOnMap(points) {
L.geoJson(points, {
pointToLayer: function (feature, latlng) {
//return L.circleMarker(latlng);
return L.marker(latlng);
}
}).bindPopup(function (layer) {
// layer.feature.geometry gives you access to all the fields
return "<p>" + JSON.stringify(layer.feature.geometry) + "</p>";
}).addTo(map)
}
// different basemap
L.tileLayer('https://stamen-tiles-{s}.a.ssl.fastly.net/toner-lite/{z}/{x}/{y}{r}.{ext}', {
attribution: 'Map tiles by <a href="http://stamen.com">Stamen Design</a>, <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a> — Map data © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
subdomains: 'abcd',
minZoom: 0,
maxZoom: 18,
ext: 'png'
}).addTo(map);
plotPointsOnMap(points);
if (!!window.EventSource) {
var source = new EventSource('/stream');
source.addEventListener('message', function(e) {
var data = JSON.parse(e.data);
if (data.coordinates) {
points.push(data);
plotPointsOnMap(points);
}
}, false)
source.addEventListener('open', function(e) {
console.log("Connection was opened")
}, false)
source.addEventListener('error', function(e) {
if (e.readyState == EventSource.CLOSED) {
console.log("Connection was closed")
}
}, false)
} else {
console.log("sse not supported.");
}
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