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layer control for seeing individual routes

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steven 2025-03-25 20:24:28 -04:00
parent 8c2a4ee19b
commit cbbf56feed
1 changed files with 17 additions and 6 deletions
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23
templates/map.html
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@ -15,18 +15,29 @@
<div id="map"></div>
<script>
let map=L.map("map",{center:[38.21,-85.75],zoom:13,layers:[L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png")]});
let busMarkers=new Map();
let layerControl=L.control.layers().addTo(map);
let busLayers={};busMarkers={};
function updateMap(){
fetch("tarc.csv").then(response=>response.text()).then(data=>{
if(data=="")return;
let newRoute=false;
data.split("\n").forEach(line=>{
const [lat,lng,r,id,p,d,s,t]=line.split(",");
const info=`<b>Route ${r}</b><br>#${id}<br>${p} riders<br>${d}<br>${s}mph<br>${new Date(t*1000).toLocaleTimeString('en-US',{hour12:false})}`
if(busMarkers.has(id)){busMarkers.get(id).setLatLng([lat,lng]).bindPopup(info)
}else{busMarkers.set(id,L.marker([lat,lng]).bindPopup(info).addTo(map))}
let [lat,lng,r,id,p,d,s,t]=line.split(",");
let info=`<b>Route ${r}</b><br>#${id}<br>${p} riders<br>${d}<br>${s}mph<br>${new Date(t*1000).toLocaleTimeString('en-US',{hour12:false})}`;
if(id in busMarkers){
busMarkers[id].setLatLng([lat,lng]).bindPopup(info)
}else{
if(!busLayers[r]){busLayers[r]=L.layerGroup().addTo(map)}
busMarkers[id]=L.marker([lat,lng]).bindPopup(info).addTo(busLayers[r]);
newRoute=true
}
})
if(newRoute){
map.removeControl(layerControl);
layerControl=L.control.layers(null,busLayers).addTo(map)
}
setTimeout(updateMap,6000)
})
setTimeout(updateMap,5000);
}
updateMap();