dump1090/public_html/script.js
Oliver Jowett b2b0aa9afe Rearrangements to clock layout.
Provide UTC and last-receiver-update clocks.
2015-01-07 18:39:19 +00:00

689 lines
22 KiB
JavaScript

"use strict";
// Define our global variables
var GoogleMap = null;
var Planes = {};
var PlanesOrdered = [];
var SelectedPlane = null;
var SpecialSquawks = {
'7500' : { cssClass: 'squawk7500', markerColor: 'rgb(255, 85, 85)', text: 'Aircraft Hijacking' },
'7600' : { cssClass: 'squawk7600', markerColor: 'rgb(0, 255, 255)', text: 'Radio Failure' },
'7700' : { cssClass: 'squawk7700', markerColor: 'rgb(255, 255, 0)', text: 'General Emergency' }
};
// Get current map settings
var CenterLat = Number(localStorage['CenterLat']) || CONST_CENTERLAT;
var CenterLon = Number(localStorage['CenterLon']) || CONST_CENTERLON;
var ZoomLvl = Number(localStorage['ZoomLvl']) || CONST_ZOOMLVL;
var Dump1090Version = "unknown version";
var RefreshInterval = 1000;
var PlaneRowTemplate = null;
var TrackedAircraft = 0;
var TrackedAircraftPositions = 0;
var TrackedHistorySize = 0;
var SitePosition = null;
var ReceiverClock = null;
function fetchData() {
$.getJSON('data/aircraft.json', function(data) {
// Loop through all the planes in the data packet
var now = data.now;
var acs = data.aircraft;
for (var j=0; j < acs.length; j++) {
var ac = acs[j];
var hex = ac.hex;
var plane = null;
// Do we already have this plane object in Planes?
// If not make it.
if (Planes[hex]) {
plane = Planes[hex];
} else {
plane = new PlaneObject(hex);
plane.tr = PlaneRowTemplate.cloneNode(true);
plane.tr.cells[0].textContent = hex; // this won't change
plane.tr.addEventListener('click', selectPlaneByHex.bind(undefined,hex));
Planes[hex] = plane;
PlanesOrdered.push(plane);
}
// Call the function update
plane.updateData(now, ac);
}
// update timestamps, visibility, history track for all planes - not only those updated
for (var i = 0; i < PlanesOrdered.length; ++i) {
var plane = PlanesOrdered[i];
plane.updateTick(now);
}
refreshTableInfo();
refreshSelected();
if (ReceiverClock) {
var rcv = new Date(now * 1000);
ReceiverClock.render(rcv.getUTCHours(),rcv.getUTCMinutes(),rcv.getUTCSeconds());
}
});
}
function initialize() {
PlaneRowTemplate = document.getElementById("plane_row_template");
if (!ShowClocks) {
$('#timestamps').css('display','none');
} else {
// Create the clocks.
new CoolClock({
canvasId: "utcclock",
skinId: "classic",
displayRadius: 40,
showSecondHand: true,
gmtOffset: 0,
showDigital: false,
logClock: false,
logClockRev: false
});
ReceiverClock = new CoolClock({
canvasId: "receiverclock",
skinId: "classic",
displayRadius: 40,
showSecondHand: true,
gmtOffset: 0,
showDigital: false,
logClock: false,
logClockRev: false
});
// disable ticking on the receiver clock, we will update it ourselves
ReceiverClock.tick = (function(){})
}
// Get receiver metadata, reconfigure using it, then continue
// with initialization
$.getJSON('data/receiver.json')
.done(function(data) {
if (typeof data.lat !== "undefined") {
SiteShow = true;
SiteLat = data.lat;
SiteLon = data.lon;
CONST_CENTERLAT = data.lat;
CONST_CENTERLON = data.lon;
}
Dump1090Version = data.version;
RefreshInterval = data.refresh;
})
.always(initialize_after_config);
}
// Initalizes the map and starts up our timers to call various functions
function initialize_after_config() {
// Set SitePosition, initialize sorting
if (SiteShow && (typeof SiteLat !== 'undefined') && (typeof SiteLon !== 'undefined')) {
SitePosition = new google.maps.LatLng(SiteLat, SiteLon);
sortByDistance();
} else {
SitePosition = null;
PlaneRowTemplate.cells[5].style.display = 'none'; // hide distance column
document.getElementById("distance").style.display = 'none'; // hide distance header
sortByAltitude();
}
// Make a list of all the available map IDs
var mapTypeIds = [];
for(var type in google.maps.MapTypeId) {
mapTypeIds.push(google.maps.MapTypeId[type]);
}
// Push OSM on to the end
mapTypeIds.push("OSM");
mapTypeIds.push("dark_map");
// Styled Map to outline airports and highways
var styles = [
{
"featureType": "administrative",
"stylers": [
{ "visibility": "off" }
]
},{
"featureType": "landscape",
"stylers": [
{ "visibility": "off" }
]
},{
"featureType": "poi",
"stylers": [
{ "visibility": "off" }
]
},{
"featureType": "road",
"stylers": [
{ "visibility": "off" }
]
},{
"featureType": "transit",
"stylers": [
{ "visibility": "off" }
]
},{
"featureType": "landscape",
"stylers": [
{ "visibility": "on" },
{ "weight": 8 },
{ "color": "#000000" }
]
},{
"featureType": "water",
"stylers": [
{ "lightness": -74 }
]
},{
"featureType": "transit.station.airport",
"stylers": [
{ "visibility": "on" },
{ "weight": 8 },
{ "invert_lightness": true },
{ "lightness": 27 }
]
},{
"featureType": "road.highway",
"stylers": [
{ "visibility": "simplified" },
{ "invert_lightness": true },
{ "gamma": 0.3 }
]
},{
"featureType": "road",
"elementType": "labels",
"stylers": [
{ "visibility": "off" }
]
}
]
// Add our styled map
var styledMap = new google.maps.StyledMapType(styles, {name: "Dark Map"});
// Define the Google Map
var mapOptions = {
center: new google.maps.LatLng(CenterLat, CenterLon),
zoom: ZoomLvl,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControl: true,
streetViewControl: false,
mapTypeControlOptions: {
mapTypeIds: mapTypeIds,
position: google.maps.ControlPosition.TOP_LEFT,
style: google.maps.MapTypeControlStyle.DROPDOWN_MENU
}
};
GoogleMap = new google.maps.Map(document.getElementById("map_canvas"), mapOptions);
//Define OSM map type pointing at the OpenStreetMap tile server
GoogleMap.mapTypes.set("OSM", new google.maps.ImageMapType({
getTileUrl: function(coord, zoom) {
return "http://tile.openstreetmap.org/" + zoom + "/" + coord.x + "/" + coord.y + ".png";
},
tileSize: new google.maps.Size(256, 256),
name: "OpenStreetMap",
maxZoom: 18
}));
GoogleMap.mapTypes.set("dark_map", styledMap);
// Listeners for newly created Map
google.maps.event.addListener(GoogleMap, 'center_changed', function() {
localStorage['CenterLat'] = GoogleMap.getCenter().lat();
localStorage['CenterLon'] = GoogleMap.getCenter().lng();
});
google.maps.event.addListener(GoogleMap, 'zoom_changed', function() {
localStorage['ZoomLvl'] = GoogleMap.getZoom();
});
// Add home marker if requested
if (SitePosition) {
var markerImage = new google.maps.MarkerImage(
'http://maps.google.com/mapfiles/kml/pal4/icon57.png',
new google.maps.Size(32, 32), // Image size
new google.maps.Point(0, 0), // Origin point of image
new google.maps.Point(16, 16)); // Position where marker should point
var marker = new google.maps.Marker({
position: SitePosition,
map: GoogleMap,
icon: markerImage,
title: 'My Radar Site',
zIndex: -99999
});
if (SiteCircles) {
for (var i=0;i<SiteCirclesDistances.length;i++) {
drawCircle(marker, SiteCirclesDistances[i]); // in meters
}
}
}
// These will run after page is complitely loaded
$(window).load(function() {
$('#dialog-modal').css('display', 'inline'); // Show hidden settings-windows content
});
// Setup our timer to poll from the server.
window.setInterval(fetchData, RefreshInterval);
window.setInterval(reaper, 60000);
}
// This looks for planes to reap out of the master Planes variable
function reaper() {
//console.log("Reaping started..");
// Look for planes where we have seen no messages for >300 seconds
var newPlanes = [];
for (var i = 0; i < PlanesOrdered.length; ++i) {
var plane = PlanesOrdered[i];
if (plane.seen > 300) {
// Reap it.
//console.log("Reaping " + plane.icao);
//console.log("parent " + plane.tr.parentNode);
plane.tr.parentNode.removeChild(plane.tr);
plane.tr = null;
delete Planes[plane.icao];
plane.destroy();
} else {
// Keep it.
newPlanes.push(plane);
}
};
PlanesOrdered = newPlanes;
refreshTableInfo();
refreshSelected();
}
//
// formatting helpers
//
var TrackDirections = ["North","Northeast","East","Southeast","South","Southwest","West","Northwest"];
// track in degrees (0..359)
function format_track_brief(track) {
return Math.round(track);
}
// track in degrees (0..359)
function format_track_long(track) {
var trackDir = Math.floor((360 + track % 360 + 22.5) / 45) % 8;
return Math.round(track) + "\u00b0 (" + TrackDirections[trackDir] + ")";
}
// alt in ft
function format_altitude_brief(alt) {
if (alt === null)
return "";
if (alt === "ground")
return "ground";
if (Metric)
return Math.round(alt / 3.2828);
else
return Math.round(alt);
}
// alt in ft
function format_altitude_long(alt) {
if (alt === null)
return "n/a";
if (alt === "ground")
return "on ground";
if (Metric)
return Math.round(alt / 3.2828) + " m / " + Math.round(alt) + " ft";
else
return Math.round(alt) + " ft / " + Math.round(alt / 3.2828) + " m";
}
// speed in kts
function format_speed_brief(speed) {
if (speed === null)
return "";
if (Metric)
return Math.round(speed * 1.852);
else
return Math.round(speed);
}
// speed in kts
function format_speed_long(speed) {
if (speed === null)
return "n/a";
if (Metric)
return Math.round(speed * 1.852) + " km/h / " + Math.round(speed) + " kt";
else
return Math.round(speed) + " kt / " + Math.round(speed * 1.852) + " km/h";
}
// dist in metres
function format_distance_brief(dist) {
if (dist === null)
return "";
if (Metric)
return (dist/1000).toFixed(1);
else
return (dist/1852).toFixed(1);
}
// dist in metres
function format_distance_long(dist) {
if (dist === null)
return "n/a";
if (Metric)
return (dist/1000).toFixed(1) + " km / " + (dist/1852).toFixed(1) + " NM";
else
return (dist/1852).toFixed(1) + " NM / " + (dist/1000).toFixed(1) + " km";
}
// p as a LatLng
function format_latlng(p) {
return p.lat().toFixed(5) + "\u00b0, " + p.lng().toFixed(5) + "\u00b0";
}
// Refresh the detail window about the plane
function refreshSelected() {
var selected = false;
if (typeof SelectedPlane !== 'undefined' && SelectedPlane != "ICAO" && SelectedPlane != null) {
selected = Planes[SelectedPlane];
}
if (!selected) {
$('#selected_infoblock').css('display','none');
$('#dump1090_infoblock').css('display','block');
$('#dump1090_version').text(Dump1090Version);
$('#dump1090_total_ac').text(TrackedAircraft);
$('#dump1090_total_ac_positions').text(TrackedAircraftPositions);
$('#dump1090_total_history').text(TrackedHistorySize);
return;
}
$('#dump1090_infoblock').css('display','none');
$('#selected_infoblock').css('display','block');
if (selected.flight !== null && selected.flight !== "") {
$('#selected_callsign').text(selected.flight);
$('#selected_links').css('display','inline');
$('#selected_fr24_link').attr('href','http://fr24.com/'+selected.flight);
$('#selected_flightstats_link').attr('href','http://www.flightstats.com/go/FlightStatus/flightStatusByFlight.do?flightNumber='+selected.flight);
$('#selected_flightaware_link').attr('href','http://flightaware.com/live/flight/'+selected.flight);
} else {
$('#selected_callsign').text('n/a (' + selected.icao + ')');
$('#selected_links').css('display','none');
}
var emerg = document.getElementById('selected_emergency');
if (selected.squawk in SpecialSquawks) {
emerg.className = SpecialSquawks[selected.squawk].cssClass;
emerg.textContent = '\u00a0Squawking: ' + SpecialSquawks[selected.squawk].text + '\u00a0';
} else {
emerg.className = 'hidden';
}
$("#selected_altitude").text(format_altitude_long(selected.altitude));
if (selected.squawk === null || selected.squawk === '0000') {
$('#selected_squawk').text('n/a');
} else {
$('#selected_squawk').text(selected.squawk);
}
$('#selected_speed').text(format_speed_long(selected.speed));
$('#selected_icao').text(selected.icao);
$('#selected_track').text(format_track_long(selected.track));
if (selected.seen <= 1) {
$('#selected_seen').text('now');
} else {
$('#selected_seen').text(selected.seen + 's ago');
}
if (selected.position === null) {
$('#selected_position').text('n/a');
} else {
if (selected.seen_pos > 1) {
$('#selected_position').text(format_latlng(selected.position) + " (" + selected.seen_pos + "s ago)");
} else {
$('#selected_position').text(format_latlng(selected.position));
}
}
$('#selected_sitedist').text(format_distance_long(selected.sitedist));
}
// Refreshes the larger table of all the planes
function refreshTableInfo() {
var show_squawk_warning = false;
TrackedAircraft = 0
TrackedAircraftPositions = 0
TrackedHistorySize = 0
for (var i = 0; i < PlanesOrdered.length; ++i) {
var tableplane = PlanesOrdered[i];
TrackedHistorySize += tableplane.history_size;
if (!tableplane.visible) {
tableplane.tr.className = "plane_table_row hidden";
} else {
TrackedAircraft++;
var classes = "plane_table_row";
if (tableplane.position !== null)
classes += " vPosition";
if (tableplane.icao == SelectedPlane)
classes += " selected";
if (tableplane.squawk in SpecialSquawks) {
classes = classes + " " + SpecialSquawks[tableplane.squawk].cssClass;
show_squawk_warning = true;
}
// ICAO doesn't change
tableplane.tr.cells[1].textContent = (tableplane.flight !== null ? tableplane.flight : "");
tableplane.tr.cells[2].textContent = (tableplane.squawk !== null ? tableplane.squawk : "");
tableplane.tr.cells[3].textContent = format_altitude_brief(tableplane.altitude);
tableplane.tr.cells[4].textContent = format_speed_brief(tableplane.speed);
if (tableplane.position !== null)
++TrackedAircraftPositions;
tableplane.tr.cells[5].textContent = format_distance_brief(tableplane.sitedist);
tableplane.tr.cells[6].textContent = format_track_brief(tableplane.track);
tableplane.tr.cells[7].textContent = tableplane.messages;
tableplane.tr.cells[8].textContent = tableplane.seen;
tableplane.tr.className = classes;
}
}
if (show_squawk_warning) {
$("#SpecialSquawkWarning").css('display','block');
} else {
$("#SpecialSquawkWarning").css('display','none');
}
resortTable();
}
//
// ---- table sorting ----
//
function compareAlpha(xa,xo,ya,yo) {
if (xa === ya)
return xo - yo;
if (xa === null)
return 1;
if (ya === null)
return -1;
if (xa < ya)
return -1;
return 1;
}
function compareNumeric(xf,xo,yf,yo) {
if (xf === null) xf = 1e9;
if (yf === null) yf = 1e9;
if (Math.abs(xf - yf) < 1e-9)
return xo - yo;
return xf - yf;
}
function compareAltitude(xf,xo,yf,yo) {
if (xf === null) xf = 1e9;
else if (xf === "ground") xf = -1e9;
if (yf === null) yf = 1e9;
else if (yf === "ground") yf = -1e9;
if (Math.abs(xf - yf) < 1e-9)
return xo - yo;
return xf - yf;
}
function sortByICAO() { sortBy('icao', function(x,y){return compareAlpha(x.icao, x.sort_pos, y.icao, y.sort_pos)}); }
function sortByFlight() { sortBy('flight', function(x,y){return compareAlpha(x.flight, x.sort_pos, y.flight, y.sort_pos)}); }
function sortBySquawk() { sortBy('squawk', function(x,y){return compareAlpha(x.squawk, x.sort_pos, y.squawk, y.sort_pos)}); }
function sortByAltitude() { sortBy('altitude',function(x,y){return compareAltitude(x.altitude, x.sort_pos, y.altitude, y.sort_pos)}); }
function sortBySpeed() { sortBy('speed', function(x,y){return compareNumeric(x.speed, x.sort_pos, y.speed, y.sort_pos)}); }
function sortByDistance() { sortBy('sitedist',function(x,y){return compareNumeric(x.sitedist, x.sort_pos, y.sitedist, y.sort_pos)}); }
function sortByTrack() { sortBy('track', function(x,y){return compareNumeric(x.track, x.sort_pos, y.track, y.sort_pos)}); }
function sortByMsgs() { sortBy('msgs', function(x,y){return compareNumeric(x.msgs, x.sort_pos, y.msgs, y.sort_pos)}); }
function sortBySeen() { sortBy('seen', function(x,y){return compareNumeric(x.seen, x.sort_pos, y.seen, y.sort_pos)}); }
var sortId = '';
var sortByFunc = null;
var sortAscending = true;
function resortTable() {
// make it a stable sort
for (var i = 0; i < PlanesOrdered.length; ++i) {
PlanesOrdered[i].sort_pos = i;
}
PlanesOrdered.sort(sortByFunc);
var tbody = document.getElementById('tableinfo').tBodies[0];
for (var i = 0; i < PlanesOrdered.length; ++i) {
tbody.appendChild(PlanesOrdered[i].tr);
}
}
function sortBy(id,sortfunc) {
if (id === sortId) {
sortAscending = !sortAscending;
} else {
sortAscending = true;
}
if (sortAscending)
sortByFunc = sortfunc;
else
sortByFunc = function(x,y){return sortfunc(y,x);}
sortId = id;
resortTable();
}
function selectPlaneByHex(hex) {
//console.log("select: " + hex);
// If SelectedPlane has something in it, clear out the selected
if (SelectedPlane != null) {
Planes[SelectedPlane].selected = false;
Planes[SelectedPlane].clearLines();
Planes[SelectedPlane].updateMarker();
$(Planes[SelectedPlane].tr).removeClass("selected");
}
// If we are clicking the same plane, we are deselected it.
if (SelectedPlane === hex) {
hex = null;
}
if (hex !== null) {
// Assign the new selected
SelectedPlane = hex;
Planes[SelectedPlane].selected = true;
Planes[SelectedPlane].updateLines();
Planes[SelectedPlane].updateMarker();
$(Planes[SelectedPlane].tr).addClass("selected");
} else {
SelectedPlane = null;
}
refreshSelected();
}
function resetMap() {
// Reset localStorage values
localStorage['CenterLat'] = CONST_CENTERLAT;
localStorage['CenterLon'] = CONST_CENTERLON;
localStorage['ZoomLvl'] = CONST_ZOOMLVL;
// Try to read values from localStorage else use CONST_s
CenterLat = Number(localStorage['CenterLat']) || CONST_CENTERLAT;
CenterLon = Number(localStorage['CenterLon']) || CONST_CENTERLON;
ZoomLvl = Number(localStorage['ZoomLvl']) || CONST_ZOOMLVL;
// Set and refresh
GoogleMap.setZoom(parseInt(ZoomLvl));
GoogleMap.setCenter(new google.maps.LatLng(parseFloat(CenterLat), parseFloat(CenterLon)));
if (SelectedPlane) {
selectPlaneByHex(SelectedPlane);
}
refreshSelected();
refreshTableInfo();
}
function drawCircle(marker, distance) {
if (typeof distance === 'undefined') {
return false;
if (!(!isNaN(parseFloat(distance)) && isFinite(distance)) || distance < 0) {
return false;
}
}
distance *= 1000.0;
if (!Metric) {
distance *= 1.852;
}
// Add circle overlay and bind to marker
var circle = new google.maps.Circle({
map: GoogleMap,
radius: distance, // In meters
fillOpacity: 0.0,
strokeWeight: 1,
strokeOpacity: 0.3
});
circle.bindTo('center', marker, 'position');
}