AFG/dump1090
3
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Add ability to switch display units

Browse source
This commit is contained in:
Carlos Salaverria 2016-08-22 16:48:17 -05:00
parent c99375d51c
commit 96fe1e0ee5
5 changed files with 183 additions and 89 deletions
Download patch file Download diff file Expand all files Collapse all files

112
public_html/formatter.js
View file

@ -8,8 +8,23 @@ var DOWN_TRIANGLE='\u25bc'; // U+25BC BLACK DOWN-POINTING TRIANGLE
var TrackDirections = ["North","Northeast","East","Southeast","South","Southwest","West","Northwest"];
var UnitLabels = {
'altitude': { metric: "m", imperial: "ft", nautical: "ft"},
'speed': { metric: "km/h", imperial: "mph", nautical: "kt" },
'distance': { metric: "km", imperial: "mi", nautical: "NM" },
'verticalRate': { metric: "m/s", imperial: "ft/min", nautical: "ft/min" }
};
// formatting helpers
function get_unit_label(quantity, systemOfMeasurement) {
var labels = UnitLabels[quantity];
if (labels !== undefined && labels[systemOfMeasurement] !== undefined) {
return labels[systemOfMeasurement];
}
return "";
}
// track in degrees (0..359)
function format_track_brief(track) {
if (track === null){
@ -31,7 +46,7 @@ function format_track_long(track) {
// altitude (input: alt in feet)
// brief will always show either Metric or Imperial
function format_altitude_brief(alt, vr) {
function format_altitude_brief(alt, vr, displayUnits) {
var alt_text;
if (alt === null){
@ -40,7 +55,7 @@ function format_altitude_brief(alt, vr) {
return "ground";
}
if (Metric) {
if (displayUnits === "metric") {
alt_text = Math.round(alt / 3.2828) + NBSP; // Altitude to meters
} else {
alt_text = Math.round(alt) + NBSP;
@ -57,14 +72,16 @@ function format_altitude_brief(alt, vr) {
}
// alt in ft
function _alt_to_unit(alt, m) {
if (m)
return Math.round(alt / 3.2828) + NBSP + "m";
function _alt_to_unit(alt, displayUnits) {
var unitLabel = get_unit_label("altitude", displayUnits);
if (displayUnits === "metric")
return Math.round(alt / 3.2828) + NBSP + unitLabel;
else
return Math.round(alt) + NBSP + "ft";
return Math.round(alt) + NBSP + unitLabel;
}
function format_altitude_long(alt, vr) {
function format_altitude_long(alt, vr, displayUnits) {
var alt_text = "";
if (alt === null) {
@ -73,14 +90,8 @@ function format_altitude_long(alt, vr) {
return "on ground";
}
// Primary unit
alt_text = _alt_to_unit(alt, Metric);
alt_text = _alt_to_unit(alt, displayUnits);
// Secondary unit
if (ShowOtherUnits) {
alt_text = alt_text + ' | ' + _alt_to_unit(alt, !Metric);
}
if (vr > 128) {
return UP_TRIANGLE + NBSP + alt_text;
} else if (vr < -128) {
@ -91,13 +102,15 @@ function format_altitude_long(alt, vr) {
}
//input: speed in kts
function format_speed_brief(speed) {
function format_speed_brief(speed, displayUnits) {
if (speed === null) {
return "";
}
if (Metric) {
if (displayUnits === "metric") {
return Math.round(speed * 1.852); // knots to kilometers per hour
} else if (displayUnits === "imperial") {
return Math.round(speed * 1.151); // knots to miles per hour
} else {
return Math.round(speed); // knots
}
@ -105,67 +118,78 @@ function format_speed_brief(speed) {
// speed in kts
function _speed_to_unit(speed, m) {
if (m)
return Math.round(speed * 1.852) + NBSP + "km/h";
function _speed_to_unit(speed, displayUnits) {
var unitLabel = get_unit_label("speed", displayUnits);
if (displayUnits === "metric")
return Math.round(speed * 1.852) + NBSP + unitLabel;
else if (displayUnits === "imperial")
return Math.round(speed * 1.151) + NBSP + unitLabel;
else
return Math.round(speed) + NBSP + "kt";
return Math.round(speed) + NBSP + unitLabel;
}
function format_speed_long(speed) {
function format_speed_long(speed, displayUnits) {
if (speed === null) {
return "n/a";
}
// Primary unit
var speed_text = _speed_to_unit(speed, Metric);
var speed_text = _speed_to_unit(speed, displayUnits);
// Secondary unit
if (ShowOtherUnits) {
speed_text = speed_text + ' | ' + _speed_to_unit(speed, !Metric);
}
return speed_text;
}
// dist in meters
function format_distance_brief(dist) {
function format_distance_brief(dist, displayUnits) {
if (dist === null) {
return "";
}
if (Metric) {
if (displayUnits === "metric") {
return (dist/1000).toFixed(1); // meters to kilometers
} else if (displayUnits === "imperial") {
return (dist/1609).toFixed(1); // meters to miles
} else {
return (dist/1852).toFixed(1); // meters to nautocal miles
return (dist/1852).toFixed(1); // meters to nautical miles
}
}
// dist in metres
function _dist_to_unit(dist, m) {
if (m)
return (dist/1000).toFixed(1) + NBSP + "km";
function _dist_to_unit(dist, displayUnits) {
var unitLabel = get_unit_label("distance", displayUnits);
if (displayUnits === "metric")
return (dist/1000).toFixed(1) + NBSP + unitLabel;
else if (displayUnits === "imperial")
return (dist/1609).toFixed(1) + NBSP + unitLabel;
else
return (dist/1852).toFixed(1) + NBSP + "NM";
return (dist/1852).toFixed(1) + NBSP + unitLabel;
}
function format_distance_long(dist) {
function format_distance_long(dist, displayUnits) {
if (dist === null) {
return "n/a";
}
// Primary unit
var dist_text = _dist_to_unit(dist, Metric);
// Secondary unit
if (ShowOtherUnits) {
dist_text = dist_text + ' | ' + _dist_to_unit(dist, !Metric);
}
var dist_text = _dist_to_unit(dist, displayUnits);
return dist_text;
}
// rate in ft/min
function format_vert_rate_brief(rate, displayUnits) {
if (rate === null) {
return "";
}
if (displayUnits === "metric") {
return (rate/196.85).toFixed(1); // ft/min to m/s
} else {
return Math.round(rate);
}
}
// p is a [lon, lat] coordinate
function format_latlng(p) {
return p[1].toFixed(3) + DEGREES + "," + NBSP + p[0].toFixed(3) + DEGREES;