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Added distance to plane from site

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Just for fun. Distance is only shown if SiteShow is true in config.js-file.

	modified:   public_html/script.js
This commit is contained in:
terribl 2013-05-27 11:36:23 +03:00
parent 8b8f74697c
commit ca314fcf2c
1 changed files with 39 additions and 4 deletions
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43
public_html/script.js
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@ -267,11 +267,44 @@ function refreshSelected() {
html += '<tr><td colspan="' + columns + '" align="center">Lat/Long: ';
if (selected && selected.vPosition) {
html += selected.latitude + ', ' + selected.longitude;
} else {
html += 'n/a';
html += selected.latitude + ', ' + selected.longitude + '</td></tr>';
// Let's show some extra data if we have site coordinates
if (SiteShow) {
// Converts numeric degrees to radians
if (typeof Number.prototype.toRad == 'undefined') {
Number.prototype.toRad = function() {
return this * Math.PI / 180;
}
}
// Converts radians to numeric (signed) degrees
if (typeof Number.prototype.toDeg == 'undefined') {
Number.prototype.toDeg = function() {
return this * 180 / Math.PI;
}
}
// Calculate distance
var R = 6371; // km
var dLat = (selected.latitude-SiteLat).toRad();
var dLon = (selected.longitude-SiteLon).toRad();
var a = Math.sin(dLat/2) * Math.sin(dLat/2) +
Math.cos(SiteLat.toRad()) * Math.cos(selected.latitude.toRad()) *
Math.sin(dLon/2) * Math.sin(dLon/2);
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
var dist = (R * c) / 1.852;
dist = (Math.round(dist*10)/10).toFixed(1);
html += '<tr><td colspan="' + columns + '">Distance from Site: ' + dist + ' NM</td></tr>';
} // End of SiteShow
} else {
if (SiteShow) {
html += '<tr><td colspan="' + columns + '">Distance from Site: n/a NM</td></tr>';
} else {
html += 'n/a</td></tr>';
}
}
html += '</td></tr>';
html += '</table>';
@ -489,4 +522,6 @@ function selectPlaneByHex(hex) {
} else {
SelectedPlane = null;
}
refreshSelected();
refreshTableInfo();
}