dump1090/public_html/script.js
Dynomity 1a5e6e2187 searches in hex now.
The search now looks at the hex object array in flags.js. Also moved
the search in the planeObject section. See got to to figure out whether
I should add a new property for the image.
2015-08-18 22:37:34 -06:00

884 lines
30 KiB
JavaScript

// -*- mode: javascript; indent-tabs-mode: nil; c-basic-offset: 8 -*-
"use strict";
// Define our global variables
var GoogleMap = null;
var Planes = {};
var PlanesOrdered = [];
var SelectedPlane = null;
var FollowSelected = false;
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, CenterLon, 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;
var LastReceiverTimestamp = 0;
var StaleReceiverCount = 0;
var FetchPending = null;
var MessageCountHistory = [];
var MessageRate = 0;
var NBSP='\u00a0';
function processReceiverUpdate(data) {
// Loop through all the planes in the data packet
var now = data.now;
var acs = data.aircraft;
// Detect stats reset
if (MessageCountHistory.length > 0 && MessageCountHistory[MessageCountHistory.length-1].messages > data.messages) {
MessageCountHistory = [{'time' : MessageCountHistory[MessageCountHistory.length-1].time,
'messages' : 0}];
}
// Note the message count in the history
MessageCountHistory.push({ 'time' : now, 'messages' : data.messages});
// .. and clean up any old values
if ((now - MessageCountHistory[0].time) > 30)
MessageCountHistory.shift();
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);
// Lookup ICAO country flag
var img = document.createElement('img');
var hexa = +("0x" + hex);
for (var i = 0; i < ICAO_Codes.length; i++) {
if ( hexa >= ICAO_Codes[i].start && hexa <= ICAO_Codes[i].end) {
img.src = escapeHtml(ICAO_Codes[i].icon_fn);
img.style.margin = "1px 2px";
img.style.cssFloat = "right";
img.title = ICAO_Codes[i].Country;
}
}
// end of flag lookup
if (hex[0] === '~') {
// Non-ICAO address
plane.tr.cells[0].textContent = hex.substring(1);
$(plane.tr).css('font-style', 'italic');
} else {
plane.tr.cells[0].textContent = hex;
//append the flag
plane.tr.cells[0].appendChild(img);
}
plane.tr.addEventListener('click', selectPlaneByHex.bind(undefined,hex,false));
plane.tr.addEventListener('dblclick', selectPlaneByHex.bind(undefined,hex,true));
Planes[hex] = plane;
PlanesOrdered.push(plane);
}
// Call the function update
plane.updateData(now, ac);
}
}
function fetchData() {
if (FetchPending !== null && FetchPending.state() == 'pending') {
// don't double up on fetches, let the last one resolve
return;
}
FetchPending = $.ajax({ url: 'data/aircraft.json',
timeout: 5000,
cache: false,
dataType: 'json' });
FetchPending.done(function(data) {
var now = data.now;
processReceiverUpdate(data);
// 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, LastReceiverTimestamp);
}
refreshTableInfo();
refreshSelected();
if (ReceiverClock) {
var rcv = new Date(now * 1000);
ReceiverClock.render(rcv.getUTCHours(),rcv.getUTCMinutes(),rcv.getUTCSeconds());
}
// Check for stale receiver data
if (LastReceiverTimestamp === now) {
StaleReceiverCount++;
if (StaleReceiverCount > 5) {
$("#update_error_detail").text("The data from dump1090 hasn't been updated in a while. Maybe dump1090 is no longer running?");
$("#update_error").css('display','block');
}
} else {
StaleReceiverCount = 0;
LastReceiverTimestamp = now;
$("#update_error").css('display','none');
}
});
FetchPending.fail(function(jqxhr, status, error) {
$("#update_error_detail").text("AJAX call failed (" + status + (error ? (": " + error) : "") + "). Maybe dump1090 is no longer running?");
$("#update_error").css('display','block');
});
}
var PositionHistorySize = 0;
function initialize() {
// Set page basics
document.title = PageName;
$("#infoblock_name").text(PageName);
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", // this has to be a string!
showDigital: false,
logClock: false,
logClockRev: false
});
ReceiverClock = new CoolClock({
canvasId: "receiverclock",
skinId: "classic",
displayRadius: 40,
showSecondHand: true,
gmtOffset: null,
showDigital: false,
logClock: false,
logClockRev: false
});
// disable ticking on the receiver clock, we will update it ourselves
ReceiverClock.tick = (function(){})
}
$("#loader").removeClass("hidden");
// Get receiver metadata, reconfigure using it, then continue
// with initialization
$.ajax({ url: 'data/receiver.json',
timeout: 5000,
cache: false,
dataType: 'json' })
.done(function(data) {
if (typeof data.lat !== "undefined") {
SiteShow = true;
SiteLat = data.lat;
SiteLon = data.lon;
DefaultCenterLat = data.lat;
DefaultCenterLon = data.lon;
}
Dump1090Version = data.version;
RefreshInterval = data.refresh;
PositionHistorySize = data.history;
})
.always(function() {
initialize_map();
start_load_history();
});
}
var CurrentHistoryFetch = null;
var PositionHistoryBuffer = []
function start_load_history() {
if (PositionHistorySize > 0) {
$("#loader_progress").attr('max',PositionHistorySize);
console.log("Starting to load history (" + PositionHistorySize + " items)");
load_history_item(0);
} else {
end_load_history();
}
}
function load_history_item(i) {
if (i >= PositionHistorySize) {
end_load_history();
return;
}
console.log("Loading history #" + i);
$("#loader_progress").attr('value',i);
$.ajax({ url: 'data/history_' + i + '.json',
timeout: 5000,
cache: false,
dataType: 'json' })
.done(function(data) {
PositionHistoryBuffer.push(data);
load_history_item(i+1);
})
.fail(function(jqxhr, status, error) {
// No more history
end_load_history();
});
}
function end_load_history() {
$("#loader").addClass("hidden");
console.log("Done loading history");
if (PositionHistoryBuffer.length > 0) {
var now, last=0;
// Sort history by timestamp
console.log("Sorting history");
PositionHistoryBuffer.sort(function(x,y) { return (x.now - y.now); });
// Process history
for (var h = 0; h < PositionHistoryBuffer.length; ++h) {
now = PositionHistoryBuffer[h].now;
console.log("Applying history " + h + "/" + PositionHistoryBuffer.length + " at: " + now);
processReceiverUpdate(PositionHistoryBuffer[h]);
// update track
console.log("Updating tracks at: " + now);
for (var i = 0; i < PlanesOrdered.length; ++i) {
var plane = PlanesOrdered[i];
plane.updateTrack((now - last) + 1);
}
last = now;
}
// Final pass to update all planes to their latest state
console.log("Final history cleanup pass");
for (var i = 0; i < PlanesOrdered.length; ++i) {
var plane = PlanesOrdered[i];
plane.updateTick(now);
}
LastReceiverTimestamp = last;
}
PositionHistoryBuffer = null;
console.log("Completing init");
refreshTableInfo();
refreshSelected();
reaper();
// Setup our timer to poll from the server.
window.setInterval(fetchData, RefreshInterval);
window.setInterval(reaper, 60000);
// And kick off one refresh immediately.
fetchData();
}
// Initalizes the map and starts up our timers to call various functions
function initialize_map() {
// Load stored map settings if present
CenterLat = Number(localStorage['CenterLat']) || DefaultCenterLat;
CenterLon = Number(localStorage['CenterLon']) || DefaultCenterLon;
ZoomLvl = Number(localStorage['ZoomLvl']) || DefaultZoomLvl;
// 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();
if (FollowSelected) {
// On manual navigation, disable follow
var selected = Planes[SelectedPlane];
if (Math.abs(GoogleMap.getCenter().lat() - selected.position.lat()) > 0.0001 &&
Math.abs(GoogleMap.getCenter().lng() - selected.position.lng()) > 0.0001) {
FollowSelected = false;
refreshSelected();
}
}
});
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: SiteName,
zIndex: -99999
});
if (SiteCircles) {
for (var i=0;i<SiteCirclesDistances.length;i++) {
drawCircle(marker, SiteCirclesDistances[i]); // in meters
}
}
}
}
// 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();
}
// Page Title update function
function refreshPageTitle() {
if (!PlaneCountInTitle && !MessageRateInTitle)
return;
var subtitle = "";
if (PlaneCountInTitle) {
subtitle += TrackedAircraftPositions + '/' + TrackedAircraft;
}
if (MessageRateInTitle) {
if (subtitle) subtitle += ' | ';
subtitle += MessageRate.toFixed(1) + '/s';
}
document.title = PageName + ' - ' + subtitle;
}
// Refresh the detail window about the plane
function refreshSelected() {
if (MessageCountHistory.length > 1) {
var message_time_delta = MessageCountHistory[MessageCountHistory.length-1].time - MessageCountHistory[0].time;
var message_count_delta = MessageCountHistory[MessageCountHistory.length-1].messages - MessageCountHistory[0].messages;
if (message_time_delta > 0)
MessageRate = message_count_delta / message_time_delta;
} else {
MessageRate = null;
}
refreshPageTitle();
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);
if (MessageRate !== null) {
$('#dump1090_message_rate').text(MessageRate.toFixed(1));
} else {
$('#dump1090_message_rate').text("n/a");
}
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_links').css('display','none');
}
if (selected.registration !== null) {
$('#selected_registration').text(selected.registration);
} else {
$('#selected_registration').text("");
}
if (selected.icaotype !== null) {
$('#selected_icaotype').text(selected.icaotype);
} else {
$('#selected_icaotype').text("");
}
var emerg = document.getElementById('selected_emergency');
if (selected.squawk in SpecialSquawks) {
emerg.className = SpecialSquawks[selected.squawk].cssClass;
emerg.textContent = NBSP + 'Squawking: ' + SpecialSquawks[selected.squawk].text + NBSP ;
} else {
emerg.className = 'hidden';
}
$("#selected_altitude").text(format_altitude_long(selected.altitude, selected.vert_rate));
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.toUpperCase());
$('#airframes_post_icao').attr('value',selected.icao);
$('#selected_track').text(format_track_long(selected.track));
if (selected.seen <= 1) {
$('#selected_seen').text('now');
} else {
$('#selected_seen').text(selected.seen.toFixed(1) + 's');
}
// add the country and flag
var flagtag = document.createElement('img');
var icao_dec, i = 0;
var CountryName = null;
// Convert the hex to integer
icao_dec = parseInt(selected.icao,16);
// Look up the country of registration from icao address in array
for (i = 0; i < Icao_Codes.length; i++) {
if (icao_dec > Icao_Codes[i][0] && icao_dec < Icao_Codes[i][1]) {
CountryName = Icao_Codes[i][2];
CountryName = CountryName.replace(/_/g, ' ');
$('#selected_country').text(CountryName);
flagtag.src = escapeHtml(Icao_Codes[i][2]);
flagtag.title = Icao_Codes[i][2];
flagtag.style.margin = "0px 10px";
flagtag.style.cssFloat = "none";
}
}
document.getElementById('selected_icao').appendChild(flagtag);
if (selected.position === null) {
$('#selected_position').text('n/a');
$('#selected_follow').addClass('hidden');
} else {
var mlat_bit = (selected.position_from_mlat ? "MLAT: " : "");
if (selected.seen_pos > 1) {
$('#selected_position').text(mlat_bit + format_latlng(selected.position) + " (" + selected.seen_pos.toFixed(1) + "s)");
} else {
$('#selected_position').text(mlat_bit + format_latlng(selected.position));
}
$('#selected_follow').removeClass('hidden');
if (FollowSelected) {
$('#selected_follow').css('font-weight', 'bold');
GoogleMap.panTo(selected.position);
} else {
$('#selected_follow').css('font-weight', 'normal');
}
}
$('#selected_sitedist').text(format_distance_long(selected.sitedist));
$('#selected_rssi').text(selected.rssi.toFixed(1) + ' dBFS');
}
// 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 && tableplane.seen_pos < 60) {
++TrackedAircraftPositions;
if (tableplane.position_from_mlat)
classes += " mlat";
else
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.vert_rate);
tableplane.tr.cells[4].textContent = format_speed_brief(tableplane.speed);
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.toFixed(0);
tableplane.tr.className = classes;
}
}
if (show_squawk_warning) {
$("#SpecialSquawkWarning").css('display','block');
} else {
$("#SpecialSquawkWarning").css('display','none');
}
resortTable();
}
//
// ---- table sorting ----
//
function compareAlpha(xa,ya) {
if (xa === ya)
return 0;
if (xa < ya)
return -1;
return 1;
}
function compareNumeric(xf,yf) {
if (Math.abs(xf - yf) < 1e-9)
return 0;
return xf - yf;
}
function sortByICAO() { sortBy('icao', compareAlpha, function(x) { return x.icao; }); }
function sortByFlight() { sortBy('flight', compareAlpha, function(x) { return x.flight; }); }
function sortBySquawk() { sortBy('squawk', compareAlpha, function(x) { return x.squawk; }); }
function sortByAltitude() { sortBy('altitude',compareNumeric, function(x) { return (x.altitude == "ground" ? -1e9 : x.altitude); }); }
function sortBySpeed() { sortBy('speed', compareNumeric, function(x) { return x.speed; }); }
function sortByDistance() { sortBy('sitedist',compareNumeric, function(x) { return x.sitedist; }); }
function sortByTrack() { sortBy('track', compareNumeric, function(x) { return x.track; }); }
function sortByMsgs() { sortBy('msgs', compareNumeric, function(x) { return x.messages; }); }
function sortBySeen() { sortBy('seen', compareNumeric, function(x) { return x.seen; }); }
var sortId = '';
var sortCompare = null;
var sortExtract = null;
var sortAscending = true;
function sortFunction(x,y) {
var xv = x._sort_value;
var yv = y._sort_value;
// always sort missing values at the end, regardless of
// ascending/descending sort
if (xv == null && yv == null) return x._sort_pos - y._sort_pos;
if (xv == null) return 1;
if (yv == null) return -1;
var c = sortAscending ? sortCompare(xv,yv) : sortCompare(yv,xv);
if (c !== 0) return c;
return x._sort_pos - y._sort_pos;
}
function resortTable() {
// number the existing rows so we can do a stable sort
// regardless of whether sort() is stable or not.
// Also extract the sort comparison value.
for (var i = 0; i < PlanesOrdered.length; ++i) {
PlanesOrdered[i]._sort_pos = i;
PlanesOrdered[i]._sort_value = sortExtract(PlanesOrdered[i]);
}
PlanesOrdered.sort(sortFunction);
var tbody = document.getElementById('tableinfo').tBodies[0];
for (var i = 0; i < PlanesOrdered.length; ++i) {
tbody.appendChild(PlanesOrdered[i].tr);
}
}
function sortBy(id,sc,se) {
if (id === sortId) {
sortAscending = !sortAscending;
PlanesOrdered.reverse(); // this correctly flips the order of rows that compare equal
} else {
sortAscending = true;
}
sortId = id;
sortCompare = sc;
sortExtract = se;
resortTable();
}
function selectPlaneByHex(hex,autofollow) {
//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;
}
if (SelectedPlane !== null && autofollow) {
FollowSelected = true;
if (GoogleMap.getZoom() < 8)
GoogleMap.setZoom(8);
} else {
FollowSelected = false;
}
refreshSelected();
}
function toggleFollowSelected() {
FollowSelected = !FollowSelected;
if (FollowSelected && GoogleMap.getZoom() < 8)
GoogleMap.setZoom(8);
refreshSelected();
}
function resetMap() {
// Reset localStorage values and map settings
localStorage['CenterLat'] = CenterLat = DefaultCenterLat;
localStorage['CenterLon'] = CenterLon = DefaultCenterLon;
localStorage['ZoomLvl'] = ZoomLvl = DefaultZoomLvl;
// Set and refresh
GoogleMap.setZoom(ZoomLvl);
GoogleMap.setCenter(new google.maps.LatLng(CenterLat, CenterLon));
selectPlaneByHex(null,false);
}
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');
}
function escapeHtml(str) {
var div = document.createElement('div');
div.appendChild(document.createTextNode('flags-tiny/' + str));
return div.innerHTML;
};