86 lines
3.4 KiB
HTML
86 lines
3.4 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>TARC Routes</title>
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<meta name="description" content="Watch the live locations of TARC vehicles and stops around Louisville">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<link rel="shortcut icon" href="static/bus.ico">
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<script src="/static/leaflet/leaflet.js"></script>
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<link rel="stylesheet" href="/static/leaflet/leaflet.css">
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<base target="_blank">
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<style>html,body{height:100%;margin:0;}#map{height:100vh;}table{white-space:nowrap;}.leaflet-popup-content{width:auto !important;}</style>
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</head>
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<body>
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<div id="map"></div>
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<script>
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let map=L.map("map",{center:[38.22,-85.7],zoom:12,layers:[L.tileLayer("https://tile.thunderforest.com/transport/{z}/{x}/{y}.png?apikey=cf957cde4a7b40bbb49479c8fa4d60f7")]});
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let stops={{stops|safe}};
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for(let stop in stops){
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stops[stop][0]=L.circle(stops[stop][0]).bindPopup(`${stops[stop][1]} (<a href=${stop}.csv>#${stop}</a>)`).on('click',()=>fetchStop(stop)).addTo(map)
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}
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let busIcon=L.icon({iconUrl:"static/bus.ico",iconSize:[32,32]})
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let layerControl=L.control.layers().addTo(map);
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let busLayers={},busMarkers={};
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function filterRoutes(wanted){
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for(r in busLayers){
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!wanted||wanted==r?map.addLayer(busLayers[r]):map.removeLayer(busLayers[r])
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}
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}
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function fetchStop(s){
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fetch(s+".csv").then(response=>response.text()).then(csv=>{
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const table=document.createElement('table');
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const rows=csv.split('\n');
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const headerRow=document.createElement('tr');
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const header=rows[0].split(',');
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header.forEach(header=>{
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const th=document.createElement('th');
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th.textContent=header;
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headerRow.appendChild(th);
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});
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table.appendChild(headerRow);
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for(let i=1;i<rows.length;i++){
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const row=rows[i].split(',');
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const tr=document.createElement('tr');
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row.forEach(value=>{
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const td=document.createElement('td');
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td.textContent=value;
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tr.appendChild(td);
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});
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table.appendChild(tr);
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}
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stops[s][0].setPopupContent(`${stops[s][1]} (<a href=${s}.csv>#${s}</a>)${table.outerHTML}`).addTo(map)
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})
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}
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function updateMap(){
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let routes={};
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fetch("tarc.csv").then(response=>response.text()).then(csv=>{
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csv.split("\n").forEach(line=>{
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let [lat,lng,r,id,dest,h,s,dir,t]=line.split(",");
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t=new Date(t*1000).toLocaleTimeString("en-US",{hour12:false});
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if(!busLayers[r]){busLayers[r]=L.layerGroup().addTo(map)}
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if(!busMarkers[id]){busMarkers[id]=L.marker([0,0],{icon:busIcon}).on('click',()=>filterRoutes(r)).addTo(busLayers[r])}
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if(!routes[r]){routes[r]=0}
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routes[r]++;
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busMarkers[id].setLatLng([lat,lng]).bindPopup(`<b>Route ${r}</b> (#${id})<br>${dest}<br><span style="transform:rotate(${h}deg);display:inline-block;"><img src="/static/fontawesome/svgs/solid/arrow-up.svg" width=16 height=16></span> ${s}mph<br>${dir}<br>${t}`)
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})
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let overlayLayers={};
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for(let r in routes){
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overlayLayers[`${r.padStart(2,0)} | ${String(routes[r]).padStart(2,0)} vehicle(s)`]=busLayers[r]
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}
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layerControl.remove();layerControl=L.control.layers(null,overlayLayers).addTo(map)
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})
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}
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updateMap();setInterval(updateMap,5000);
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map.on('click',()=>filterRoutes())
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let locationMarker=L.marker([0,0]).addTo(map);
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let locationRadius=L.circle([0,0]).addTo(map).bringToBack();
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map.locate({watch:true});
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map.on("locationfound",e=>{
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locationMarker.setLatLng(e.latlng).bindPopup("<b>You</b> at<br>"+new Date().toLocaleTimeString());
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if(e.accuracy<100)locationRadius.setLatLng(e.latlng).setRadius(e.accuracy/2)
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});
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</script>
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</body>
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</html>
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