Make PlaneObject a class.
Rearrange internal storage of positions. Maintain sitedist within PlaneObject, not externally. Clean up speed/dist/etc formatting. Show both metric & imperial values in the plane detail infobox.
This commit is contained in:
Oliver Jowett
parent
58e5485c2a
commit
29509d9633
3 changed files with 419 additions and 413 deletions
public_html
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@ -28,333 +28,329 @@ var PlaneSvg = "M 0,0 " +
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"-2.858644 -0.145909,-5.208974 -0.209316,-5.222958 -0.06341,-0.01399 -0.974464," +
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"-0.0493 -2.024551,-0.07845 L 23.247235,38.61921 18.831373,39.8906 C 4.9432155," +
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"43.88916 4.2929558,44.057819 3.4954426,43.86823 2.7487826,43.690732 2.2007966," +
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"42.916622 1.9565564,41.694305 z"
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"42.916622 1.9565564,41.694305 z";
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var planeObject = {
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// Basic location information
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altitude : null,
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speed : null,
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track : null,
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latitude : null,
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longitude : null,
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function PlaneObject(icao) {
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// Info about the plane
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flight : null,
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squawk : null,
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icao : null,
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is_selected : false,
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this.icao = icao;
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this.flight = null;
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this.squawk = null;
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this.selected = false;
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// Basic location information
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this.altitude = null;
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this.speed = null;
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this.track = null;
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this.position = null;
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this.sitedist = null;
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// Data packet numbers
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messages : null,
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this.messages = null;
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// Track history as a series of line segments
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track_linesegs : [],
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this.track_linesegs = [];
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this.history_size = 0;
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// When was this last updated (receiver timestamp)
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last_message_time : null,
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last_position_time : null,
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this.last_message_time = null;
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this.last_position_time = null;
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// When was this last updated (seconds before last update)
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seen : null,
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seen_pos : null,
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this.seen = null;
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this.seen_pos = null;
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history_size : 0,
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visible : true,
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// Display info
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this.visible = true;
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this.marker = null;
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this.icon = { strokeWeight: 1,
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path: PlaneSvg,
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scale: 0.4,
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fillColor: MarkerColor,
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fillOpacity: 0.9,
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anchor: new google.maps.Point(32, 32), // Set anchor to middle of plane.
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rotation: 0 };
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}
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// GMap Details
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marker : null,
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icon : {
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strokeWeight: 1,
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path: PlaneSvg,
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scale: 0.4,
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fillColor: MarkerColor,
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fillOpacity: 0.9,
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anchor: new google.maps.Point(32, 32), // Set anchor to middle of plane.
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rotation: 0
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},
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// Appends data to the running track so we can get a visual tail on the plane
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// Only useful for a long running browser session.
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PlaneObject.prototype.updateTrack = function() {
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var here = this.position;
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// Appends data to the running track so we can get a visual tail on the plane
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// Only useful for a long running browser session.
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updateTrack : function() {
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var here = new google.maps.LatLng(this.latitude, this.longitude);
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if (this.track_linesegs.length == 0) {
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// Brand new track
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//console.log(this.icao + " new track");
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var newseg = { track : new google.maps.MVCArray([here,here]),
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line : null,
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head_update : this.last_position_time,
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tail_update : this.last_position_time,
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estimated : false,
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ground : (this.altitude === "ground")
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};
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this.track_linesegs.push(newseg);
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this.history_size += 2;
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return;
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}
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var lastseg = this.track_linesegs[this.track_linesegs.length - 1];
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var lastpos = lastseg.track.getAt(lastseg.track.getLength() - 1);
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var elapsed = (this.last_position_time - lastseg.head_update);
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var new_data = (here !== lastpos);
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var est_track = (elapsed > 5);
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var ground_track = (this.altitude === "ground");
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if (!new_data)
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return false;
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if (est_track) {
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if (!lastseg.estimated) {
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// >5s gap in data, create a new estimated segment
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//console.log(this.icao + " switching to estimated");
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this.track_linesegs.push({ track : new google.maps.MVCArray([lastpos, here]),
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line : null,
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head_update : this.last_position_time,
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estimated : true });
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this.history_size += 2;
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return true;
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}
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// Append to ongoing estimated line
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//console.log(this.icao + " extending estimated (" + lastseg.track.getLength() + ")");
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lastseg.track.push(here);
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lastseg.head_update = this.last_position_time;
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this.history_size++;
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return true;
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}
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if (lastseg.estimated) {
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// We are back to good data.
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//console.log(this.icao + " switching to good track");
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this.track_linesegs.push({ track : new google.maps.MVCArray([lastpos, here]),
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line : null,
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head_update : this.last_position_time,
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tail_update : this.last_position_time,
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estimated : false,
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ground : (this.altitude === "ground") });
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this.history_size += 2;
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return true;
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}
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if ( (lastseg.ground && this.altitude !== "ground") ||
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(!lastseg.ground && this.altitude === "ground") ) {
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//console.log(this.icao + " ground state changed");
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// Create a new segment as the ground state changed.
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// assume the state changed halfway between the two points
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var midpoint = google.maps.geometry.spherical.interpolate(lastpos,here,0.5);
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lastseg.track.push(midpoint);
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this.track_linesegs.push({ track : new google.maps.MVCArray([midpoint,here,here]),
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line : null,
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head_update : this.last_position_time,
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tail_update : this.last_position_time,
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estimated : false,
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ground : (this.altitude === "ground") });
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this.history_size += 4;
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return true;
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}
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// Add more data to the existing track.
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// We only retain some historical points, at 5+ second intervals,
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// plus the most recent point
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if (this.last_position_time - lastseg.tail_update >= 5) {
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// enough time has elapsed; retain the last point and add a new one
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//console.log(this.icao + " retain last point");
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lastseg.track.push(here);
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lastseg.tail_update = lastseg.head_update;
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this.history_size ++;
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} else {
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// replace the last point with the current position
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lastseg.track.setAt(lastseg.track.getLength()-1, here);
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}
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lastseg.head_update = this.last_position_time;
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return true;
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},
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// This is to remove the line from the screen if we deselect the plane
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clearLines : function() {
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for (var i = 0; i < this.track_linesegs.length; ++i) {
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var seg = this.track_linesegs[i];
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if (seg.line !== null) {
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seg.line.setMap(null);
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seg.line = null;
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}
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}
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},
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updateIcon : function() {
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var col = MarkerColor;
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// If this marker is selected we should make it lighter than the rest.
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if (this.is_selected)
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col = SelectedColor;
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// If we have not seen a recent update, change color
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if (this.seen > 15)
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col = StaleColor;
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// If the squawk code is one of the international emergency codes,
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// match the info window alert color.
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if (this.squawk in SpecialSquawks)
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col = SpecialSquawks[this.squawk].markerColor;
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var weight = this.is_selected ? 2 : 1;
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var rotation = (this.track === null ? 0 : this.track);
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if (col === this.icon.fillColor && weight === this.icon.strokeWeight && rotation === this.icon.rotation)
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return false; // no changes
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this.icon.fillColor = col;
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this.icon.strokeWeight = weight;
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this.icon.rotation = rotation;
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if (this.marker)
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this.marker.setIcon(this.icon);
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return true;
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},
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// TODO: Trigger actions of a selecting a plane
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selectPlane : function(){
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selectPlaneByHex(this.icao);
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},
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// Update our data
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updateData : function(receiver_timestamp, data){
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// Update all of our data
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this.icao = data.hex;
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this.messages = data.messages;
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this.last_message_time = receiver_timestamp - data.seen;
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if (typeof data.altitude !== "undefined")
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this.altitude = data.altitude;
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if (typeof data.speed !== "undefined")
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this.speed = data.speed;
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if (typeof data.track !== "undefined")
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this.track = data.track;
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if (typeof data.lat !== "undefined") {
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this.latitude = data.lat;
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this.longitude = data.lon;
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this.last_position_time = receiver_timestamp - data.seen_pos;
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}
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if (typeof data.flight !== "undefined")
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this.flight = data.flight;
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if (typeof data.squawk !== "undefined")
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this.squawk = data.squawk;
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},
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updateTick : function(receiver_timestamp) {
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// recompute seen and seen_pos
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this.seen = receiver_timestamp - this.last_message_time;
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this.seen_pos = (this.last_position_time === null ? null : receiver_timestamp - this.last_position_time);
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// If no packet in over 58 seconds, clear the plane.
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if (this.seen > 58) {
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if (this.visible) {
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//console.log("hiding " + this.icao);
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this.clearMarker();
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this.visible = false;
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if (SelectedPlane == this.icao)
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selectPlaneByHex(null);
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}
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} else {
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this.visible = true;
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if (this.latitude !== null) {
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if (this.updateTrack()) {
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this.updateLines();
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this.updateMarker(true);
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} else {
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this.updateMarker(false); // didn't move
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}
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}
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}
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},
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clearMarker: function() {
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if (this.marker) {
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this.marker.setMap(null);
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this.marker = null;
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}
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},
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// Update our marker on the map
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updateMarker: function(moved) {
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if (!this.visible) {
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this.clearMarker();
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return;
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}
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if (this.marker) {
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if (moved)
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this.marker.setPosition(new google.maps.LatLng(this.latitude, this.longitude));
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this.updateIcon();
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} else {
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this.updateIcon();
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this.marker = new google.maps.Marker({
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position: new google.maps.LatLng(this.latitude, this.longitude),
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map: GoogleMap,
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icon: this.icon,
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visible: true
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});
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// This is so we can match icao address
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this.marker.icao = this.icao;
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// Trap clicks for this marker.
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google.maps.event.addListener(this.marker, 'click', this.selectPlane);
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}
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// Setting the marker title
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if (this.flight === null || this.flight.length == 0) {
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this.marker.setTitle(this.hex);
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} else {
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this.marker.setTitle(this.flight+' ('+this.icao+')');
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}
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},
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if (this.track_linesegs.length == 0) {
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// Brand new track
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//console.log(this.icao + " new track");
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var newseg = { track : new google.maps.MVCArray([here,here]),
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line : null,
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head_update : this.last_position_time,
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tail_update : this.last_position_time,
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estimated : false,
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ground : (this.altitude === "ground")
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};
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this.track_linesegs.push(newseg);
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this.history_size += 2;
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return;
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}
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// Update our planes tail line,
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updateLines: function() {
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if (!this.is_selected)
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return;
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for (var i = 0; i < this.track_linesegs.length; ++i) {
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var seg = this.track_linesegs[i];
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if (seg.line === null) {
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// console.log("create line for seg " + i + " with " + seg.track.getLength() + " points" + (seg.estimated ? " (estimated)" : ""));
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// for (var j = 0; j < seg.track.getLength(); j++) {
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// console.log(" point " + j + " at " + seg.track.getAt(j).lat() + "," + seg.track.getAt(j).lng());
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// }
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if (seg.estimated) {
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var lineSymbol = {
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path: 'M 0,-1 0,1',
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strokeOpacity : 1,
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strokeColor : '#804040',
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strokeWeight : 2,
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scale: 2
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};
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seg.line = new google.maps.Polyline({
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path: seg.track,
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strokeOpacity: 0,
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icons: [{
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icon: lineSymbol,
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offset: '0',
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repeat: '10px' }],
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map : GoogleMap });
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} else {
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seg.line = new google.maps.Polyline({
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path: seg.track,
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strokeOpacity: 1.0,
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strokeColor: (seg.ground ? '#408040' : '#000000'),
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strokeWeight: 3,
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map: GoogleMap });
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}
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}
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var lastseg = this.track_linesegs[this.track_linesegs.length - 1];
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var lastpos = lastseg.track.getAt(lastseg.track.getLength() - 1);
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var elapsed = (this.last_position_time - lastseg.head_update);
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var new_data = (here !== lastpos);
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var est_track = (elapsed > 5);
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var ground_track = (this.altitude === "ground");
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if (!new_data)
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return false;
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if (est_track) {
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if (!lastseg.estimated) {
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// >5s gap in data, create a new estimated segment
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//console.log(this.icao + " switching to estimated");
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this.track_linesegs.push({ track : new google.maps.MVCArray([lastpos, here]),
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line : null,
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head_update : this.last_position_time,
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estimated : true });
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this.history_size += 2;
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return true;
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}
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},
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// Append to ongoing estimated line
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//console.log(this.icao + " extending estimated (" + lastseg.track.getLength() + ")");
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lastseg.track.push(here);
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lastseg.head_update = this.last_position_time;
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this.history_size++;
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return true;
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}
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if (lastseg.estimated) {
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// We are back to good data.
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//console.log(this.icao + " switching to good track");
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this.track_linesegs.push({ track : new google.maps.MVCArray([lastpos, here]),
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line : null,
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head_update : this.last_position_time,
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tail_update : this.last_position_time,
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estimated : false,
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ground : (this.altitude === "ground") });
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this.history_size += 2;
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return true;
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}
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if ( (lastseg.ground && this.altitude !== "ground") ||
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(!lastseg.ground && this.altitude === "ground") ) {
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//console.log(this.icao + " ground state changed");
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// Create a new segment as the ground state changed.
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// assume the state changed halfway between the two points
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var midpoint = google.maps.geometry.spherical.interpolate(lastpos,here,0.5);
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lastseg.track.push(midpoint);
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this.track_linesegs.push({ track : new google.maps.MVCArray([midpoint,here,here]),
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line : null,
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head_update : this.last_position_time,
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tail_update : this.last_position_time,
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estimated : false,
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ground : (this.altitude === "ground") });
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this.history_size += 4;
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return true;
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}
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// Add more data to the existing track.
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// We only retain some historical points, at 5+ second intervals,
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// plus the most recent point
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if (this.last_position_time - lastseg.tail_update >= 5) {
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// enough time has elapsed; retain the last point and add a new one
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//console.log(this.icao + " retain last point");
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lastseg.track.push(here);
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lastseg.tail_update = lastseg.head_update;
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this.history_size ++;
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} else {
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// replace the last point with the current position
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lastseg.track.setAt(lastseg.track.getLength()-1, here);
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}
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lastseg.head_update = this.last_position_time;
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return true;
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};
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destroy : function() {
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this.clearLines();
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this.clearMarker();
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// This is to remove the line from the screen if we deselect the plane
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PlaneObject.prototype.clearLines = function() {
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for (var i = 0; i < this.track_linesegs.length; ++i) {
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var seg = this.track_linesegs[i];
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if (seg.line !== null) {
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seg.line.setMap(null);
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seg.line = null;
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}
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}
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};
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PlaneObject.prototype.updateIcon = function() {
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var col = MarkerColor;
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||||
// If this marker is selected we should make it lighter than the rest.
|
||||
if (this.is_selected)
|
||||
col = SelectedColor;
|
||||
|
||||
// If we have not seen a recent update, change color
|
||||
if (this.seen > 15)
|
||||
col = StaleColor;
|
||||
|
||||
// If the squawk code is one of the international emergency codes,
|
||||
// match the info window alert color.
|
||||
if (this.squawk in SpecialSquawks)
|
||||
col = SpecialSquawks[this.squawk].markerColor;
|
||||
|
||||
var weight = this.is_selected ? 2 : 1;
|
||||
var rotation = (this.track === null ? 0 : this.track);
|
||||
|
||||
if (col === this.icon.fillColor && weight === this.icon.strokeWeight && rotation === this.icon.rotation)
|
||||
return false; // no changes
|
||||
|
||||
this.icon.fillColor = col;
|
||||
this.icon.strokeWeight = weight;
|
||||
this.icon.rotation = rotation;
|
||||
if (this.marker)
|
||||
this.marker.setIcon(this.icon);
|
||||
|
||||
return true;
|
||||
};
|
||||
|
||||
// Update our data
|
||||
PlaneObject.prototype.updateData = function(receiver_timestamp, data) {
|
||||
// Update all of our data
|
||||
this.icao = data.hex;
|
||||
this.messages = data.messages;
|
||||
this.last_message_time = receiver_timestamp - data.seen;
|
||||
|
||||
if (typeof data.altitude !== "undefined")
|
||||
this.altitude = data.altitude;
|
||||
if (typeof data.speed !== "undefined")
|
||||
this.speed = data.speed;
|
||||
if (typeof data.track !== "undefined")
|
||||
this.track = data.track;
|
||||
if (typeof data.lat !== "undefined") {
|
||||
this.position = new google.maps.LatLng(data.lat, data.lon);
|
||||
this.last_position_time = receiver_timestamp - data.seen_pos;
|
||||
|
||||
if (SitePosition !== null) {
|
||||
this.sitedist = google.maps.geometry.spherical.computeDistanceBetween (SitePosition, this.position);
|
||||
}
|
||||
}
|
||||
if (typeof data.flight !== "undefined")
|
||||
this.flight = data.flight;
|
||||
if (typeof data.squawk !== "undefined")
|
||||
this.squawk = data.squawk;
|
||||
};
|
||||
|
||||
PlaneObject.prototype.updateTick = function(receiver_timestamp) {
|
||||
// recompute seen and seen_pos
|
||||
this.seen = receiver_timestamp - this.last_message_time;
|
||||
this.seen_pos = (this.last_position_time === null ? null : receiver_timestamp - this.last_position_time);
|
||||
|
||||
// If no packet in over 58 seconds, clear the plane.
|
||||
if (this.seen > 58) {
|
||||
if (this.visible) {
|
||||
//console.log("hiding " + this.icao);
|
||||
this.clearMarker();
|
||||
this.visible = false;
|
||||
if (SelectedPlane == this.icao)
|
||||
selectPlaneByHex(null);
|
||||
}
|
||||
} else {
|
||||
this.visible = true;
|
||||
if (this.position !== null) {
|
||||
if (this.updateTrack()) {
|
||||
this.updateLines();
|
||||
this.updateMarker(true);
|
||||
} else {
|
||||
this.updateMarker(false); // didn't move
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
PlaneObject.prototype.clearMarker = function() {
|
||||
if (this.marker) {
|
||||
this.marker.setMap(null);
|
||||
google.maps.event.clearListeners(this.marker, 'click');
|
||||
this.marker = null;
|
||||
}
|
||||
};
|
||||
|
||||
// Update our marker on the map
|
||||
PlaneObject.prototype.updateMarker = function(moved) {
|
||||
if (!this.visible) {
|
||||
this.clearMarker();
|
||||
return;
|
||||
}
|
||||
|
||||
if (this.marker) {
|
||||
if (moved)
|
||||
this.marker.setPosition(this.position);
|
||||
this.updateIcon();
|
||||
} else {
|
||||
this.updateIcon();
|
||||
this.marker = new google.maps.Marker({
|
||||
position: this.position,
|
||||
map: GoogleMap,
|
||||
icon: this.icon,
|
||||
visible: true
|
||||
});
|
||||
|
||||
// This is so we can match icao address
|
||||
this.marker.icao = this.icao;
|
||||
|
||||
// Trap clicks for this marker.
|
||||
google.maps.event.addListener(this.marker, 'click', selectPlaneByHex.bind(undefined,this.icao));
|
||||
}
|
||||
|
||||
// Setting the marker title
|
||||
if (this.flight === null || this.flight.length == 0) {
|
||||
this.marker.setTitle(this.hex);
|
||||
} else {
|
||||
this.marker.setTitle(this.flight+' ('+this.icao+')');
|
||||
}
|
||||
};
|
||||
|
||||
// Update our planes tail line,
|
||||
PlaneObject.prototype.updateLines = function() {
|
||||
if (!this.is_selected)
|
||||
return;
|
||||
|
||||
for (var i = 0; i < this.track_linesegs.length; ++i) {
|
||||
var seg = this.track_linesegs[i];
|
||||
if (seg.line === null) {
|
||||
// console.log("create line for seg " + i + " with " + seg.track.getLength() + " points" + (seg.estimated ? " (estimated)" : ""));
|
||||
// for (var j = 0; j < seg.track.getLength(); j++) {
|
||||
// console.log(" point " + j + " at " + seg.track.getAt(j).lat() + "," + seg.track.getAt(j).lng());
|
||||
// }
|
||||
|
||||
if (seg.estimated) {
|
||||
var lineSymbol = {
|
||||
path: 'M 0,-1 0,1',
|
||||
strokeOpacity : 1,
|
||||
strokeColor : '#804040',
|
||||
strokeWeight : 2,
|
||||
scale: 2
|
||||
};
|
||||
|
||||
seg.line = new google.maps.Polyline({
|
||||
path: seg.track,
|
||||
strokeOpacity: 0,
|
||||
icons: [{
|
||||
icon: lineSymbol,
|
||||
offset: '0',
|
||||
repeat: '10px' }],
|
||||
map : GoogleMap });
|
||||
} else {
|
||||
seg.line = new google.maps.Polyline({
|
||||
path: seg.track,
|
||||
strokeOpacity: 1.0,
|
||||
strokeColor: (seg.ground ? '#408040' : '#000000'),
|
||||
strokeWeight: 3,
|
||||
map: GoogleMap });
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
PlaneObject.prototype.destroy = function() {
|
||||
this.clearLines();
|
||||
this.clearMarker();
|
||||
};
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue