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airmap.html
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airmap.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<!-- include leaflet css and javascript -->
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.2/dist/leaflet.css"
integrity="sha256-sA+zWATbFveLLNqWO2gtiw3HL/lh1giY/Inf1BJ0z14="
crossorigin=""/>
<script src="https://unpkg.com/leaflet@1.9.2/dist/leaflet.js"
integrity="sha256-o9N1jGDZrf5tS+Ft4gbIK7mYMipq9lqpVJ91xHSyKhg="
crossorigin=""></script>
<style type="text/css">
#map {
height: 800px;
}
</style>
<title>Apache Pulsar - ADS-B Plane - Map</title>
</head>
<body bgcolor="white" text="black">
<img data-v-c612f5f2="" alt="StreamNative Logo" src="https://streamnative.io/assets/static/sn-logo-vertical-dark.c516648.a34f97839dee38e7499aa0c21d0b2255.png" width="543" data-src="https://streamnative.io/assets/static/sn-logo-vertical-dark.c516648.a34f97839dee38e7499aa0c21d0b2255.png" data-srcset="https://streamnative.io/assets/static/sn-logo-vertical-dark.c516648.a34f97839dee38e7499aa0c21d0b2255.png 543w" data-sizes="(max-width: 543px) 100vw, 543px" class="w-56 mt-4 md:mt-0 g-image g-image--lazy g-image--loaded" srcset="https://streamnative.io/assets/static/sn-logo-vertical-dark.c516648.a34f97839dee38e7499aa0c21d0b2255.png 543w" sizes="(max-width: 543px) 100vw, 543px">
<br>
<div id="map"></div>
<script type="text/javascript">
function isEmpty(val){
return (val === undefined || val == null || val.length <= 0) ? true : false;
}
function IsJsonString(str) {
try {
JSON.parse(str);
} catch (e) {
return false;
}
return true;
}
const incidentIcon = L.icon({
iconUrl: "./images/blue-dot.png",
className: "image-icon",
iconSize: [10, 10]
});
var map = null;
var marker = null;
var ws = new WebSocket("ws://localhost:8080/ws/v2/consumer/persistent/public/default/aircraft/ac1-reader?subscriptionType=Shared&receiverQueueSize=250");
ws.onmessage = function(event) {
var dataPoints = JSON.parse(event.data);
if ( dataPoints === undefined || dataPoints == null || dataPoints.payload === undefined || dataPoints.payload == null ) {
return;
}
// acknowledge the message from the topic
if (ws.readyState === WebSocket.OPEN) {
ws.send("{\"messageId\": \"" + dataPoints.messageId + "\"}");
}
//console.log('open map data:' + dataPoints);
if (IsJsonString(atob(dataPoints.payload))) {
var pulsarMessage = JSON.parse(atob(dataPoints.payload));
if ( pulsarMessage === undefined || pulsarMessage == null ) {
return;
}
if (map == null) {
map = L.map('map').setView([pulsarMessage.lat, pulsarMessage.lon], 10);
L.tileLayer('https://{s}.tile.osm.org/{z}/{x}/{y}.png', {
attribution: '© <a href="https://osm.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map);
let marker = new L.marker(['40.268059', '-74.529091'], { icon: incidentIcon }).addTo(map);
}
marker = new L.marker([pulsarMessage.lat, pulsarMessage.lon]).addTo(map);
var publishTime = " ";
if ( !isEmpty(dataPoints.publishTime) ) {
publishTime = dataPoints.publishTime;
}
var altBaro = "";
if ( !isEmpty(pulsarMessage.alt_baro) ) {
altBaro = pulsarMessage.alt_baro;
}
var gsX = "";
if ( !isEmpty(pulsarMessage.gs) ) {
gsX = pulsarMessage.gs;
}
var machX = "";
if ( !isEmpty(pulsarMessage.mach) ) {
machX = pulsarMessage.mach;
}
var hexX= "";
if ( !isEmpty(pulsarMessage.hex) ) {
hexX = pulsarMessage.hex;
}
var flightX= "";
if ( !isEmpty(pulsarMessage.flight) ) {
flightX = pulsarMessage.flight;
}
var latX= "";
if ( !isEmpty(pulsarMessage.lat) ) {
latX = pulsarMessage.lat;
}
var lonX= "";
if ( !isEmpty(pulsarMessage.lon) ) {
lonX = pulsarMessage.lon;
}
marker.bindPopup('<strong>' +
flightX +
'</strong></br>' +
altBaro +
'<br><strong>Published: </strong>' +
publishTime +
'<br><strong>Latitude/Longitude:</strong> ' + latX + ',' +
lonX);
}
};
ws.onerror = function(event) {
console.log(`Error ${event}`);
}
</script>
<br><br><br>
© 2022. Tim Spann. FLiPN Stack.
</body>
</html>