387 lines
11 KiB
HTML
387 lines
11 KiB
HTML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<style>
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#messages {
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background-color:yellow;
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font-size:3;
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font-weight:bold;
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line-height:140%;
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}
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#status {
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background-color: #FFFFFF;
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border-radius: 15px;
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font-family: 'andale mono', monospace;
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font-size: 16pt;
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width: 610px;
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margin: 5px;
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text-align: center;
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line-height: 35px;
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}
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.flex-container {
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display: flex;
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flex-direction: row;
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justify-content: center;
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/*background-color: DodgerBlue;*/
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}
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.flex-container > div {
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background-color: #f1f1f1;
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border-radius: 15px;
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font-family: 'andale mono', monospace;
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font-size: x-large;
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width: 300px;
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margin: 5px;
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text-align: center;
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line-height: 40px;
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}
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</style>
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<head>
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<title>EGFH Info</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<script src="https://cdnjs.cloudflare.com/ajax/libs/paho-mqtt/1.0.1/mqttws31.js" type="text/javascript"></script>
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<script type = "text/javascript">
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function onConnectionLost(){
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invalidateDisplay();
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console.log("connection lost");
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document.getElementById("status").style.backgroundColor = '#AA0000';
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document.getElementById("status").innerHTML = "Connection Lost, reloading";
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connected_flag=0;
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setTimeout(location.reload(), reloadDelay);
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}
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function onFailure(message) {
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invalidateDisplay();
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console.log("Failed");
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document.getElementById("status").style.backgroundColor = '#AA0000';
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document.getElementById("status").innerHTML = "Connection Failed- Retrying";
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setTimeout(MQTTconnect, reconnectTimeout);
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}
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function onMessageArrived(r_message){
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if (r_message.destinationName == "weather/loop"){
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console.log("Got LOOP " + r_message.payloadString);
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loopObj = JSON.parse(r_message.payloadString);
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if (loopObj.interval_minute) {
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console.log("AVG Speed " + loopObj.windSpeed_knot);
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console.log("AVG Dir " + loopObj.windDir);
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console.log(loopObj);
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lastAvgWind = Date.now();
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avgWindValid = 1;
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avgWindSpeed = Number(loopObj.windSpeed_knot).toFixed(0);
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roundedWind = (Math.round(loopObj.windDir / 10) * 10).toFixed(0);
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avgWindDir = ('000' + roundedWind).substr(-3);
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avgWindGustSpeed = Number(loopObj.windGust_knot).toFixed(0);
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roundedWind = (Math.round(loopObj.windGustDir / 10) * 10).toFixed(0);
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avgWindGustDir = ('000' + roundedWind).substr(-3);
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updateAvgWind();
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} else {
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if (loopObj.windSpeed_knot) {
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lastWind = Date.now();
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windValid = 1;
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instantWindSpeed = Number(loopObj.windSpeed_knot).toFixed(0);
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roundedWind = (Math.round(loopObj.windDir / 10) * 10).toFixed(0);
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zeroFilledDir = ('000' + roundedWind).substr(-3);
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updateWind();
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}
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if (loopObj.outTemp_C) {
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console.log("LOOP OAT " + loopObj.outTemp_C);
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document.getElementById("OAT").innerHTML = Number(loopObj.outTemp_C).toFixed(0) + " °C";
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}
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}
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}
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}
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function getInitialArchive() {
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fetch(`archive.php`)
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.then(response => response.json())
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.then(archive => {
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let now = Math.floor(Date.now() / 1000);
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if (now - archive.dateTime > 300) {
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console.log("Archive record too old");
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} else {
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document.getElementById("OAT").innerHTML = Number((archive.outTemp - 32) * 5 / 9).toFixed(0) + " °C";
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avgWindSpeed = (archive.windSpeed * 0.868976).toFixed(0);
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avgWindGustSpeed = (archive.windGust * 0.868976).toFixed(0);
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roundedWind = (Math.round(archive.windDir / 10) * 10).toFixed(0);
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avgWindDir = ('000' + roundedWind).substr(-3);
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roundedWind = (Math.round(archive.windGustDir / 10) * 10).toFixed(0);
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avgWindGustDir = ('000' + roundedWind).substr(-3);
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avgWindValid = 1;
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updateAvgWind();
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}
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})
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}
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function updateStatus() {
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if (avgWindValid == 1 && windValid == 1) {
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document.getElementById("status").style.backgroundColor = '#00AA00';
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document.getElementById("status").innerHTML = "OK";
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}
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}
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function updateWind() {
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document.getElementById("windSpeed").innerHTML = zeroFilledDir + "/" + instantWindSpeed;
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}
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function updateAvgWind() {
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updateWindDirection(avgWindDir);
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document.getElementById("avgWindSpeed").innerHTML = avgWindDir + "/" + avgWindSpeed;
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document.getElementById("avgWindGust").innerHTML = avgWindGustDir + "/" + avgWindGustSpeed;
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}
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function invalidateDisplay() {
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invalidateWind();
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invalidateAvgWind();
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invalidateOAT();
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}
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function invalidateOAT() {
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document.getElementById("OAT").innerHTML = "XXX";
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windValid = 0;
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}
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function invalidateWind() {
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document.getElementById("windSpeed").innerHTML = "XXX/X";
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windValid = 0;
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}
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function invalidateAvgWind() {
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document.getElementById("avgWindSpeed").innerHTML = "XXX/X";
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document.getElementById("avgWindGust").innerHTML = "XXX/X";
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windAvgValid = 0;
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}
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function onConnect() {
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connected_flag=1;
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document.getElementById("status").style.backgroundColor = '#00AA00';
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document.getElementById("status").innerHTML = "Connected";
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console.log("Connected to MQTT broker");
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sub_topics()
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}
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function disconnect() {
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if (connected_flag==1)
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mqtt.disconnect();
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}
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function MQTTconnect() {
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clean_sessions=true
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var x=Math.floor(Math.random() * 10000);
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var cname="wx-"+x;
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mqtt = new Paho.MQTT.Client(host,cname);
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var options = {
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timeout: 3,
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cleanSession: clean_sessions,
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onSuccess: onConnect,
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onFailure: onFailure,
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};
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mqtt.onConnectionLost = onConnectionLost;
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mqtt.onMessageArrived = onMessageArrived;
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mqtt.connect(options);
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return false;
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}
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function sub_topics() {
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if (connected_flag==0) {
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console.log("Not Connected so can't subscribe");
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return false;
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}
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var sqos=0;
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var soptions= {
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qos:sqos,
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};
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mqtt.subscribe(topic,soptions);
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return false;
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}
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async function getPressure() {
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const response = await fetch('/wlproxy.php?api=current/195562');
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const names = await response.json();
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lastPressure = Date.now();
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pressureValid = 1;
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QFERaw = names.contents.sensors[2].data[0].bar_absolute;
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QFE = Number((QFERaw / 0.029529983071445).toFixed(0)) + qCorrection;
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QNH = QFE + 11;
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document.getElementById("QFE").textContent = "QFE: " + QFE;
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document.getElementById("QNH").textContent = "QNH: " + QNH;
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var ts = new Date(names.contents.sensors[0].data[0].ts * 1000);
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console.log(names.contents.sensors); // Dump the whole JSON to console
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}
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function drawCompass() {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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// Draw runways
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drawRunway(220, 120, 12, -20); // 22/04 runway moved to the left
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drawRunway(280, 90, 8, 0, 40); // 10/28 runway moved down
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// Draw wind direction arrow
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if (avgWindValid == 1) {
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drawArrow(windDirection);
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}
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}
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function drawRunway(angle, length, width, xShift, yShift = 0) {
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const radian = (angle - 90) * (Math.PI / 180); // Convert to radians
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// Calculate runway endpoints with xShift (left/right) and yShift (up/down)
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const xStart = centerX - length * Math.cos(radian) + xShift;
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const yStart = centerY - length * Math.sin(radian) + yShift;
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const xEnd = centerX + length * Math.cos(radian) + xShift;
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const yEnd = centerY + length * Math.sin(radian) + yShift;
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// Draw runway as a thick line
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ctx.strokeStyle = "#333";
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ctx.lineWidth = width;
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ctx.beginPath();
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ctx.moveTo(xStart, yStart);
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ctx.lineTo(xEnd, yEnd);
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ctx.stroke();
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// Correctly assign runway numbers at each end
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drawRunwayNumber(angle, xStart, yStart, radian, -20);
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drawRunwayNumber(angle + 180, xEnd, yEnd, radian, 20);
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}
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function drawRunwayNumber(angle, x, y, radian, extension) {
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const runwayNumber = Math.round(angle / 10) % 36; // Convert heading to runway number
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// Move the number along the extended centerline
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const xOffset = x + extension * Math.cos(radian);
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const yOffset = y + extension * Math.sin(radian);
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ctx.font = "18px Arial";
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ctx.fillStyle = "black";
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ctx.textAlign = "center";
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ctx.textBaseline = "middle";
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ctx.fillText(runwayNumber.toString().padStart(2, "0"), xOffset, yOffset);
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}
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function drawArrow(angle) {
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const arrowLength = 80; // Extended to pass through center
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const radian = (angle + 90) * (Math.PI / 180); // Adjusted for correct direction
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// Compute start and end points for the arrow
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const xStart = centerX - arrowLength * Math.cos(radian);
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const yStart = centerY - arrowLength * Math.sin(radian);
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const xEnd = centerX + arrowLength * Math.cos(radian);
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const yEnd = centerY + arrowLength * Math.sin(radian);
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// Draw main arrow line
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ctx.strokeStyle = "red";
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ctx.lineWidth = 3;
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ctx.beginPath();
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ctx.moveTo(xStart, yStart);
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ctx.lineTo(xEnd, yEnd);
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ctx.stroke();
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// Draw arrowhead at the end
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ctx.fillStyle = "red";
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ctx.beginPath();
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ctx.moveTo(xEnd, yEnd);
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ctx.lineTo(
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xEnd - 12 * Math.cos(radian - Math.PI / 6),
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yEnd - 12 * Math.sin(radian - Math.PI / 6)
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);
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ctx.lineTo(
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xEnd - 12 * Math.cos(radian + Math.PI / 6),
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yEnd - 12 * Math.sin(radian + Math.PI / 6)
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);
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ctx.closePath();
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ctx.fill();
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}
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function updateWindDirection(degrees) {
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windDirection = degrees % 360;
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drawCompass();
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}
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</script>
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</head>
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<body>
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<h2><center>Swansea EGFH - Live Conditions</center></h2>
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<div class="flex-container">
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<div id="QNH" class="data">XXXX</div>
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<div id="QFE" class="data">XXXX</div>
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</div>
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<div class="flex-container">
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<div>Sfc Wind<div id="avgWindSpeed">1</div></div>
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<div>Inst Wind<div id="windSpeed">1</div></div>
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</div>
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<div class="flex-container"><canvas id="compass" width="300" height="300"></canvas></div>
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<div class="flex-container">
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<div>2min Gust<div id="avgWindGust">1</div></div>
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<div>OAT<div id="OAT">1</div></div>
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</div>
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<div class="flex-container">
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<div id="status"></div>
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</div>
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<center>Do not rely on this information for flight safety</center>
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<script>
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var connected_flag=0
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var mqtt;
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var reconnectTimeout = 2000;
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var reloadDelay = 5000;
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var host="wss://wx.swansea-airport.wales/mqtt";
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var qCorrection = 0; // Offset for QFE / QNH
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var row=0;
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var mcount=0;
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var topic = "weather/#";
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var windValid = 0;
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var avgWindValid = 0;
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var pressureValid = 0;
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let lastWind = Date.now();
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let lastAvgWind = Date.now();
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let lastPressure = Date.now();
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const canvas = document.getElementById("compass");
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const ctx = canvas.getContext("2d");
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const centerX = canvas.width / 2;
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const centerY = canvas.height / 2;
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let windDirection = 0; // Initial wind direction in degrees
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invalidateDisplay();
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MQTTconnect();
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getPressure();
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getInitialArchive();
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drawCompass();
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</script>
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</body>
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</html>
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