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add altimeter pressure correction

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This commit is contained in:
justin4046
2024-05-02 22:45:12 -05:00
parent f60be58859
commit bbbdef0770
4 changed files with 55 additions and 4 deletions
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48
html/script.js
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@@ -1247,6 +1247,28 @@ jQuery('#selected_altitude_geom1')
}
});
new Toggle({
key: "baroUseQNH",
display: "Baro. alt.: Standard pressure -> Altimeter corrected",
container: "#settingsLeft",
init: baroUseQNH,
setState: function(state) {
baroUseQNH = state;
if (baroUseQNH) {
jQuery('#selected_altitude1_title').updateText('Baro. altitude');
jQuery('#selected_altitude2_title').updateText('Adjusted Barometric');
jQuery('#infoblock_altimeter').removeClass('hidden');
} else {
jQuery('#selected_altitude1_title').updateText('Baro. altitude');
jQuery('#selected_altitude2_title').updateText('Adjusted Barometric');
jQuery('#infoblock_altimeter').addClass('hidden');
}
if (loadFinished) {
remakeTrails();
refreshSelected();
}
}
});
if (usp.has('labelsGeom')) {
toggles['labelsGeom'].toggle(true, 'init');
@@ -3127,8 +3149,8 @@ function refreshSelected() {
}
jQuery("#selected_altitude1").updateText(format_altitude_long(selected.altitude, selected.vert_rate, DisplayUnits));
jQuery("#selected_altitude2").updateText(format_altitude_long(selected.altitude, selected.vert_rate, DisplayUnits));
jQuery("#selected_altitude1").updateText(format_altitude_long(adjust_baro_alt(selected.altitude), selected.vert_rate, DisplayUnits));
jQuery("#selected_altitude2").updateText(format_altitude_long(adjust_baro_alt(selected.altitude), selected.vert_rate, DisplayUnits));
jQuery('#selected_onground').updateText(format_onground(selected.altitude));
@@ -8434,6 +8456,28 @@ function getn(n) {
limitUpdates=n; RefreshInterval=0; fetchCalls=0;
}
function adjust_baro_alt(alt) {
if (baroUseQNH && alt != null) {
let altimeter = document.getElementById("settings_altimeter").value
if (altimeter < 100) {
return corrected_alt(alt, inhg_to_hpa(altimeter));
} else {
return corrected_alt(alt, altimeter);
}
} else {
return alt;
}
}
function corrected_alt(alt, qnh) {
let station_pressure = 29.92 * Math.pow( ( (288-0.0065*(0.3048 * alt)) / 288), 5.2561);
return ( 1 - Math.pow( (inhg_to_hpa(station_pressure) / qnh ), 0.190284) ) * 145366.45;
}
function inhg_to_hpa(inhg) {
return 33.8639 * inhg
}
function globeRateUpdate() {
if (adsbexchange) {
dynGlobeRate = true;