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var map = L.map( 'mapid', {
center: [51.505, -0.09], // Default to U.S.A
minZoom: 2,
zoom: 0
});
L.tileLayer( 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> | <a href="http://covid19.genenetwork.org/">COVID-19 PubSeq</a>',
subdomains: ['a','b','c']
}).addTo(map);
function drawMap(){
var mymap = map;
fetch(scriptRoot + "api/getCountByGPS")
.then(response => {
console.log(response)
return response.json();
})
.then(data => {
updateMapMarkers(data);
});
document.getElementById("map_view").classList.remove("invisible");
map.invalidateSize();
}
/*
* This function updates the map with markers
*/
function updateMapMarkers(data) {
let markers = L.markerClusterGroup({
iconCreateFunction: function (cluster) {
var theseMarkers = cluster.getAllChildMarkers(); //// -- this is the array of each marker in the cluster.
sumCount = 0;
for (var i = 0; i < theseMarkers.length; i++) {
// sumCount += theseMarkers[i].feature.properties.Confirmed;
sumCount += 1;
}
var digits = (sumCount + '').length;
return L.divIcon({
html: sumCount,
className: 'cluster digits-' + digits,
iconSize: null
});
},
pointToLayer: function (feature, latlng) {
return L.circleMarker(latlng, {
opacity: 1,
color: getSColor(feature.properties.Confirmed),
weight: getSwieght(feature.properties.Confirmed),
fillColor: getColor(feature.properties.Confirmed),
fillOpacity: .3,
radius: getRad(feature.properties.Confirmed),
pane: 'circlesIIOM'
});
},
});
for (let i = 0; i < data.length; i++) {
let {"count": fastaCount, GPS, LocationLabel: label } = data[i];
let coordinates = GPS.split(" ");
if (!(coordinates == null)) {
let lat, lon;
[lon, lat] = coordinates.map(parseFloat);
let point = L.point()
marker = (L.marker([lat, lon]));
marker.bindPopup("<b>" + label + "</b><br/>" + "SARS-CoV-2<br/>sequences: " +fastaCount);
markers.addLayer(marker);
}
}
map.addLayer(markers);
}
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