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add wind speed

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This commit is contained in:
Matthias Wirth
2020-03-25 23:27:54 +01:00
parent e09349d3fc
commit 596b276c8b
3 changed files with 459 additions and 8 deletions
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53
html/script.js
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@@ -87,6 +87,7 @@ var labelFill = null;
var blackFill = null;
var labelStroke = null;
var legSel = -1;
let geoMag = null;
var shareLink = '';
@@ -1139,6 +1140,8 @@ function parse_history() {
if (tempTrails)
selectAllPlanes();
geoMag = geoMagFactory(cof2Obj());
}
// Make a LineString with 'points'-number points
@@ -1804,6 +1807,54 @@ function refreshSelected() {
$('#selected_squawk2').text(selected.squawk);
}
let magResult = null;
if (geoMag && selected.position != null) {
let lon = selected.position[0];
let lat = selected.position[1];
let alt = selected.altitude == "ground" ? 0 : selected.altitude;
magResult = geoMag(lat, lon, alt);
$('#selected_mag_declination').text(format_track_brief(magResult.dec));
} else {
$('#selected_mag_declination').text('n/a');
}
if (magResult && selected.gs != null && selected.tas != null && selected.track != null && selected.mag_heading != null) {
const trk = (Math.PI / 180) * selected.track;
const hdg = (Math.PI / 180) * (selected.mag_heading + magResult.dec);
const tas = selected.tas;
const gs = selected.gs;
const ws = Math.round(Math.sqrt(Math.pow(tas - gs, 2) + 4 * tas * gs * Math.pow(Math.sin((hdg - trk) / 2), 2)));
let wd = trk + Math.atan2(tas * Math.sin(hdg - trk), tas * Math.cos(hdg - trk) - gs);
if (wd < 0) {
wd = wd + 2 * Math.PI;
}
if (wd > 2 * Math.PI) {
wd = wd - 2 * Math.PI;
}
wd = Math.round((180 / Math.PI) * wd);
$('#selected_wd').text(format_track_long(wd, DisplayUnits));
$('#selected_ws').text(format_speed_long(ws, DisplayUnits));
} else {
$('#selected_wd').text('n/a');
$('#selected_ws').text('n/a');
}
if (magResult && selected.mag_heading != null && selected.track != null)
$('#selected_crab').text(format_track_brief(selected.mag_heading + magResult.dec - selected.track));
else if (selected.true_heading != null && selected.track != null)
$('#selected_crab').text(format_track_brief(selected.true_heading - selected.track));
else
$('#selected_crab').text('n/a');
$('#selected_mag_heading').text(format_track_brief(selected.mag_heading));
if (selected.true_heading == null && selected.mag_heading != null && magResult)
$('#selected_true_heading').text(format_track_brief(selected.mag_heading + magResult.dec));
else
$('#selected_true_heading').text(format_track_brief(selected.true_heading));
$('#selected_speed1').text(format_speed_long(selected.gs, DisplayUnits));
$('#selected_speed2').text(format_speed_long(selected.gs, DisplayUnits));
$('#selected_ias').text(format_speed_long(selected.ias, DisplayUnits));
@@ -1885,8 +1936,6 @@ function refreshSelected() {
}
$('#selected_altitude_geom').text(format_altitude_long(selected.alt_geom, selected.geom_rate, DisplayUnits));
$('#selected_mag_heading').text(format_track_brief(selected.mag_heading));
$('#selected_true_heading').text(format_track_brief(selected.true_heading));
$('#selected_ias').text(format_speed_long(selected.ias, DisplayUnits));
$('#selected_tas').text(format_speed_long(selected.tas, DisplayUnits));
if (selected.mach == null) {