tarc/templates/map.html

59 lines
2.5 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>TARC Routes</title>
<meta name="description" content="Watch the live locations of TARC vehicles and stops around Louisville">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="icon" href="bus.svg" type="image/svg+xml">
<script src="https://static.stevenalexander.org/leaflet/leaflet.js" integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin=""></script>
<link rel="stylesheet" href="https://static.stevenalexander.org/leaflet/leaflet.css" integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin="" />
<base target="_blank">
<style>html,body{height:100%;margin:0;}#map{height:100vh;}iframe{border:none;}</style>
</head>
<body>
<div id="map"></div>
<script>
let map=L.map("map",{center:[38.2,-85.75],zoom:13,layers:[L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png")]});
let stops={{stops}};
for (stop in stops){
L.circle(stops[stop]).bindPopup(`<iframe src="https://tarc.rideralerts.com/InfoPoint/Minimal/Departures/ForStop?stopId=${stop}">Stop #${stop}</iframe>`).addTo(map)
}
let layerControl=L.control.layers().addTo(map);
let busLayers={},busMarkers={};
function updateMap(){
let routes={};
fetch("tarc.csv").then(response=>response.text()).then(csv=>{
csv.split("\n").forEach(line=>{
let [lat,lng,r,id,p,d,s,t]=line.split(",");
p=parseInt(p);
t=new Date(t*1000).toLocaleTimeString("en-US",{hour12:false});
if(!busLayers[r]){busLayers[r]=L.layerGroup().addTo(map)}
if(!busMarkers[id]){busMarkers[id]=L.marker([0,0]).addTo(busLayers[r])}
if(!routes[r]){routes[r]=[0,0]}
routes[r][0]++;
routes[r][1]+=p;
busMarkers[id].setLatLng([lat,lng]).bindPopup(`<b>Route ${r}</b><br>#${id}<br>${p} riders<br>${d}<br>${s}mph<br>${t}`)
})
let overlayLayers={};
for(let r in routes){
overlayLayers[`${r} (${routes[r][0]} vehicle(s) with ${routes[r][1]} riders)`]=busLayers[r]
}
layerControl.remove();
layerControl=L.control.layers(null,overlayLayers,{collapsed:window.innerWidth<window.innerHeight}).addTo(map);
let iframe=document.querySelector("iframe");if(iframe)iframe.src=iframe.src;
setTimeout(updateMap,5000)
})
}
updateMap();
let locationMarker=L.marker([0,0]).addTo(map);
let locationRadius=L.circle([0,0]).addTo(map).bringToBack();
map.locate({watch:true});
map.on("locationfound",e=>{
locationMarker.setLatLng(e.latlng).bindPopup("<b>You</b> at<br>"+new Date().toLocaleTimeString());
locationRadius.setLatLng(e.latlng).setRadius(e.accuracy/2)
});
</script>
</body>
</html>