918 lines
24 KiB
JavaScript
918 lines
24 KiB
JavaScript
"use strict";
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function PlaneObject(icao) {
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// Info about the plane
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this.icao = icao;
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this.icaorange = findICAORange(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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this.category = null;
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this.dataSource = null;
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// Basic location information
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this.altitude = null;
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this.altitude_cached = null;
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this.alt_baro = null;
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this.alt_geom = null;
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this.speed = null;
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this.gs = null;
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this.ias = null;
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this.tas = null;
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this.track = null;
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this.track_rate = null;
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this.mag_heading = null;
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this.true_heading = null;
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this.mach = null;
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this.roll = null;
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this.nav_altitude = null;
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this.nav_heading = null;
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this.nav_modes = null;
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this.nav_qnh = null;
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this.rc = null;
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this.nac_p = null;
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this.nac_v = null;
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this.nic_baro = null;
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this.sil_type = null;
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this.sil = null;
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this.baro_rate = null;
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this.geom_rate = null;
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this.vert_rate = null;
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this.version = null;
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this.prev_position = null;
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this.prev_time = null;
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this.prev_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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this.messages = null;
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this.rssi = null;
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this.rssa = null;
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this.rindex = 0;
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// Track history as a series of line segments
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this.elastic_feature = null;
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this.track_linesegs = [];
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this.history_size = 0;
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// Track (direction) at the time we last appended to the track history
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this.tail_track = null;
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this.tail_true = null;
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// Timestamp of the most recent point appended to the track history
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this.tail_update = null;
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// When was this last updated (receiver timestamp)
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this.last_message_time = 0;
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this.position_time = 0;
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// When was this last updated (seconds before last update)
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this.seen = null;
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this.seen_pos = null;
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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.markerStyle = null;
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this.markerIcon = null;
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this.markerStyleKey = null;
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this.markerSvgKey = null;
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this.baseScale = 1;
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this.filter = {};
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// start from a computed registration, let the DB override it
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// if it has something else.
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this.registration = registration_from_hexid(this.icao);
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this.icaoType = null;
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this.typeDescription = null;
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this.wtc = null;
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this.trail_features = new ol.Collection();
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this.layer = new ol.layer.Vector({
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name: this.icao,
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source: new ol.source.Vector({
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features: this.trail_features,
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})
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});
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trailGroup.push(this.layer);
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// request metadata
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getAircraftData(this.icao).done(function(data) {
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if ("r" in data) {
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this.registration = data.r;
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}
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if ("t" in data) {
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this.icaoType = data.t;
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this.icaoTypeCache = this.icaoType;
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}
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if ("desc" in data) {
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this.typeDescription = data.desc;
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}
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if ("wtc" in data) {
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this.wtc = data.wtc;
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}
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if (this.selected) {
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refreshSelected();
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}
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data = null;
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}.bind(this));
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}
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PlaneObject.prototype.logSel = function(loggable) {
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if (debug && this.selected && !SelectedAllPlanes)
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console.log(loggable);
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return;
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}
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PlaneObject.prototype.isFiltered = function() {
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if (this.filter.minAltitude !== undefined && this.filter.maxAltitude !== undefined) {
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if (this.altitude == null) {
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return true;
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}
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var planeAltitude = this.altitude === "ground" ? 0 : convert_altitude(this.altitude, this.filter.altitudeUnits);
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return planeAltitude < this.filter.minAltitude || planeAltitude > this.filter.maxAltitude;
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}
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// filter out ground vehicles
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if (typeof this.filter.groundVehicles !== 'undefined' && this.filter.groundVehicles === 'filtered') {
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if (typeof this.category === 'string' && this.category.startsWith('C')) {
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return true;
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}
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}
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// filter out blocked MLAT flights
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if (typeof this.filter.blockedMLAT !== 'undefined' && this.filter.blockedMLAT === 'filtered') {
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if (typeof this.icao === 'string' && this.icao.startsWith('~')) {
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return true;
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}
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}
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return false;
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}
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PlaneObject.prototype.updateTail = function() {
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this.tail_update = this.prev_time;
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this.tail_track = this.prev_track;
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this.tail_true = this.prev_true;
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this.tail_position = this.prev_position;
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return this.updateTrackPrev();
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}
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PlaneObject.prototype.updateTrackPrev = function() {
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this.prev_position = this.position;
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this.prev_time = this.position_time;
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this.prev_track = this.track;
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this.prev_true = this.true_head;
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return true;
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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(receiver_timestamp, last_timestamp) {
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if (this.position == null)
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return false;
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if (this.prev_position && this.position[0] == this.prev_position[0] && this.position[1] == this.prev_position[1])
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return false;
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var projHere = ol.proj.fromLonLat(this.position);
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var on_ground = (this.altitude === "ground");
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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 = { fixed: new ol.geom.LineString([projHere]),
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feature: null,
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estimated: false,
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ground: on_ground,
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altitude: this.altitude
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};
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this.track_linesegs.push(newseg);
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this.history_size ++;
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this.prev_position = this.position;
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return this.updateTail();
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}
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var projPrev = ol.proj.fromLonLat(this.prev_position);
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var lastseg = this.track_linesegs[this.track_linesegs.length - 1];
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var distance_traveled = ol.sphere.getDistance(this.tail_position, this.prev_position);
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// discard current position for track stuff while preventing the old position to go stale
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if (ol.sphere.getDistance(this.position, this.prev_position) < 8) {
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this.prev_time = this.position_time;
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return true;
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}
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if (this.dataSource == "mlat" && on_ground)
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return true;
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// Determine if track data are intermittent/stale
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// Time difference between two position updates should not be much
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// greater than the difference between data inputs
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var time_difference = (this.position_time - this.prev_time) - (receiver_timestamp - last_timestamp);
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var stale_timeout = 7;
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// MLAT data are given some more leeway
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if (this.dataSource == "mlat") stale_timeout = 15;
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// On the ground you can't go that quick
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if (on_ground) stale_timeout = 30;
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var est_track = (time_difference > stale_timeout);
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// Also check if the position was already stale when it was exported by dump1090
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// Makes stale check more accurate for example for 30s spaced history points
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est_track = est_track || ((receiver_timestamp - this.position_time) > stale_timeout);
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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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lastseg.fixed.appendCoordinate(projPrev);
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this.track_linesegs.push({ fixed: new ol.geom.LineString([projPrev]),
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feature: null,
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altitude: 0,
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estimated: true });
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this.history_size += 2;
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} else {
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// Keep appending to the existing dashed line; keep every point
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lastseg.fixed.appendCoordinate(projPrev);
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this.history_size++;
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}
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return this.updateTail();
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}
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if (lastseg.estimated) {
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// We are back to good data (we got two points close in time), switch back to
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// solid lines.
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lastseg.fixed.appendCoordinate(projPrev);
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this.track_linesegs.push({ fixed: new ol.geom.LineString([projPrev]),
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feature: null,
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estimated: false,
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ground: on_ground,
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altitude: this.altitude });
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this.history_size += 2;
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return this.updateTail();
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}
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var track_change = this.track != null ? Math.abs(this.tail_track - this.track) : NaN;
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track_change = track_change < 180 ? track_change : Math.abs(track_change - 360);
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var true_change = this.trueheading != null ? Math.abs(this.tail_true - this.true_heading) : NaN;
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true_change = true_change < 180 ? true_change : Math.abs(true_change - 360);
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if (!isNaN(true_change)) {
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track_change = isNaN(track_change) ? true_change : Math.max(track_change, true_change);
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}
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var alt_change = Math.abs(this.altitude - lastseg.altitude);
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var since_update = this.prev_time - this.tail_update;
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if (
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lastseg.ground != on_ground
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|| (!on_ground && isNaN(alt_change))
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|| (alt_change > 700)
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|| (alt_change > 375 && this.altitude < 9000)
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|| (alt_change > 150 && this.altitude < 5500)
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) {
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// Create a new segment as the ground state or the altitude changed.
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// The new state is only drawn after the state has changed
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// and we then get a new position.
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this.logSel("sec_elapsed: " + since_update.toFixed(1) + " alt_change: "+ alt_change.toFixed(0));
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// Let's assume the ground state change happened somewhere between the previous and current position
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// Represent that assumption. With altitude it's not quite as critical.
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if (lastseg.ground != on_ground) {
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projPrev = [(projPrev[0]+projHere[0])/2,(projPrev[1]+projHere[1])/2];
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}
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lastseg.fixed.appendCoordinate(projPrev);
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this.track_linesegs.push({ fixed: new ol.geom.LineString([projPrev]),
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feature: null,
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estimated: false,
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altitude: this.altitude,
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ground: on_ground });
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this.history_size += 2;
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return this.updateTail();
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}
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// Add current position to the existing track.
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// We only retain some points depending on time elapsed and track change
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var turn_density = 6.5;
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if (
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since_update > 42 ||
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(!on_ground && since_update > (100/turn_density)/track_change) ||
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(!on_ground && isNaN(track_change) && since_update > 8) ||
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(on_ground && since_update > (500/turn_density)/track_change && distance_traveled > 8) ||
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(on_ground && distance_traveled > 40 && since_update > 4) ||
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debugAll
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) {
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lastseg.fixed.appendCoordinate(projPrev);
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this.history_size ++;
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this.logSel("sec_elapsed: " + since_update.toFixed(1) + " " + (on_ground ? "ground" : "air") + " dist:" + distance_traveled.toFixed(0) + " track_change: "+ track_change.toFixed(1));
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return this.updateTail();
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}
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return this.updateTrackPrev();
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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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PlaneObject.prototype.clearLines = function() {
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if (this.layer.getVisible())
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this.layer.setVisible(false);
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};
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PlaneObject.prototype.getDataSourceNumber = function() {
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// MLAT
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if (this.dataSource == "mlat") {
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return 3;
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}
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if (this.dataSource == "uat")
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return 2; // UAT
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// Not MLAT, but position reported - ADSB or variants
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if (this.dataSource == "tisb")
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return 4; // TIS-B
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if (this.dataSource == "adsb")
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return 1;
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// Otherwise Mode S
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return 5;
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// TODO: add support for Mode A/C
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};
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PlaneObject.prototype.getDataSource = function() {
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// MLAT
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if (this.dataSource == "mlat") {
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return 'mlat';
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}
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if (this.dataSource == "uat")
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return 'uat';
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if (this.addrtype) {
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return this.addrtype;
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}
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if (this.dataSource == "adsb")
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return "adsb_icao";
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// Otherwise Mode S
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return 'mode_s';
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// TODO: add support for Mode A/C
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};
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PlaneObject.prototype.getMarkerColor = function() {
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// Emergency squawks override everything else
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if (this.squawk in SpecialSquawks)
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return SpecialSquawks[this.squawk].markerColor;
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var h, s, l;
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var colorArr = this.getAltitudeColor(this.altitude_cached);
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h = colorArr[0];
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s = colorArr[1];
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l = colorArr[2];
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// If we have not seen a recent position update, change color
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if (this.seen_pos > 15 && this.altitude !== "ground") {
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h += ColorByAlt.stale.h;
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s += ColorByAlt.stale.s;
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l += ColorByAlt.stale.l;
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}
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// If this marker is selected, change color
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if (this.selected && !SelectedAllPlanes){
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h += ColorByAlt.selected.h;
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s += ColorByAlt.selected.s;
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l += ColorByAlt.selected.l;
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}
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// If this marker is a mlat position, change color
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if (this.dataSource == "mlat") {
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h += ColorByAlt.mlat.h;
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s += ColorByAlt.mlat.s;
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l += ColorByAlt.mlat.l;
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}
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if (h < 0) {
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h = (h % 360) + 360;
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} else if (h >= 360) {
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h = h % 360;
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}
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if (s < 5) s = 5;
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else if (s > 95) s = 95;
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if (l < 5) l = 5;
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else if (l > 95) l = 95;
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return 'hsl(' + (h/5).toFixed(0)*5 + ',' + (s/5).toFixed(0)*5 + '%,' + (l/5).toFixed(0)*5 + '%)'
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}
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PlaneObject.prototype.getAltitudeColor = function(altitude) {
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if (typeof altitude === 'undefined') {
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altitude = this.altitude;
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}
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return altitudeColor(altitude);
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}
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function altitudeColor(altitude) {
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var h, s, l;
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if (altitude === null) {
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h = ColorByAlt.unknown.h;
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s = ColorByAlt.unknown.s;
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l = ColorByAlt.unknown.l;
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} else if (altitude === "ground") {
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h = ColorByAlt.ground.h;
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s = ColorByAlt.ground.s;
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l = ColorByAlt.ground.l;
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} else {
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s = ColorByAlt.air.s;
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l = ColorByAlt.air.l;
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// find the pair of points the current altitude lies between,
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// and interpolate the hue between those points
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var hpoints = ColorByAlt.air.h;
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h = hpoints[0].val;
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for (var i = hpoints.length-1; i >= 0; --i) {
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if (altitude > hpoints[i].alt) {
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if (i == hpoints.length-1) {
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h = hpoints[i].val;
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} else {
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h = hpoints[i].val + (hpoints[i+1].val - hpoints[i].val) * (altitude - hpoints[i].alt) / (hpoints[i+1].alt - hpoints[i].alt)
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}
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break;
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}
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}
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}
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if (h < 0) {
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h = (h % 360) + 360;
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} else if (h >= 360) {
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h = h % 360;
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}
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if (s < 5) s = 5;
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else if (s > 95) s = 95;
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if (l < 5) l = 5;
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else if (l > 95) l = 95;
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return [h, s, l];
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}
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PlaneObject.prototype.updateIcon = function() {
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var col = this.getMarkerColor();
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//var opacity = 1.0;
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var outline = (this.dataSource == "mlat" ? OutlineMlatColor : OutlineADSBColor);
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var add_stroke = (this.selected && !SelectedAllPlanes) ? ' stroke="black" stroke-width="1px"' : '';
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var baseMarkerKey = (this.category ? this.category : "A0") + "_" + this.typeDescription + "_" + this.wtc + "_" + this.icaoType;
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if (!this.baseMarker || this.baseMarkerKey != baseMarkerKey) {
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this.baseMarkerKey = baseMarkerKey;
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this.baseMarker = getBaseMarker(this.category, this.icaoType, this.typeDescription, this.wtc);
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if (!this.baseMarker)
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console.log(baseMarkerKey);
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if (this.baseMarker.length == 2) {
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this.baseScale = this.baseMarker[1];
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this.baseMarker = this.baseMarker[0];
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}
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}
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var rotation = this.track;
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if (rotation == null) {
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rotation = this.true_heading;
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} else if (rotation == null) {
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rotation = this.mag_heading;
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} else if (rotation == null) {
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rotation = 0;
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}
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//var transparentBorderWidth = (32 / this.baseMarker.scale / scaleFactor).toFixed(1);
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var svgKey = col + '!' + outline + '!' + this.baseMarker.svg + '!' + add_stroke;
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if (this.markerStyle == null || this.markerIcon == null || this.markerSvgKey != svgKey) {
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|
//console.log(this.icao + " new icon and style " + this.markerSvgKey + " -> " + svgKey);
|
|
|
|
this.markerSvgKey = svgKey;
|
|
this.scaleCache = scaleFactor * this.baseScale;
|
|
|
|
var icon = new ol.style.Icon({
|
|
anchor: [0.5, 0.5],
|
|
anchorXUnits: 'fraction',
|
|
anchorYUnits: 'fraction',
|
|
scale: this.scaleCache,
|
|
imgSize: this.baseMarker.size,
|
|
src: svgPathToURI(this.baseMarker.svg, outline, col, add_stroke),
|
|
rotation: (this.baseMarker.noRotate ? 0 : rotation * Math.PI / 180.0),
|
|
//opacity: opacity,
|
|
rotateWithView: (this.baseMarker.noRotate ? false : true)
|
|
});
|
|
|
|
this.markerIcon = icon;
|
|
this.markerStyle = new ol.style.Style({
|
|
image: this.markerIcon
|
|
});
|
|
|
|
|
|
if (this.marker) {
|
|
this.marker.setStyle(this.markerStyle);
|
|
}
|
|
}
|
|
|
|
if (this.rotationCache == null || Math.abs(this.rotationCache - rotation) > 0.25) {
|
|
this.rotationCache = rotation;
|
|
this.markerIcon.setRotation(rotation * Math.PI / 180.0);
|
|
}
|
|
|
|
if (this.scaleCache != scaleFactor * this.baseScale) {
|
|
this.scaleCache = scaleFactor * this.baseScale;
|
|
this.markerIcon.setScale(this.scaleCache);
|
|
}
|
|
|
|
/*
|
|
if (this.opacityCache != opacity) {
|
|
this.opacityCache = opacity;
|
|
this.markerIcon.setOpacity(opacity);
|
|
}
|
|
*/
|
|
|
|
|
|
return true;
|
|
};
|
|
|
|
// Update our data
|
|
PlaneObject.prototype.updateData = function(receiver_timestamp, data, init) {
|
|
// get location data first, return early if only those are needed.
|
|
|
|
// remember last known position even if stale
|
|
if ("lat" in data && data.seen_pos < (receiver_timestamp - this.position_time + 2)) {
|
|
this.position = [data.lon, data.lat];
|
|
this.position_time = receiver_timestamp - data.seen_pos;
|
|
}
|
|
|
|
if (data.seen_pos < 45 && "mlat" in data && data.mlat.indexOf("lat") >= 0) {
|
|
this.dataSource = "mlat";
|
|
} else if (this.dataSource != "uat") {
|
|
if (data.type && data.type.substring(0,4) == "tisb")
|
|
this.dataSource = "tisb";
|
|
else if (data.type == "adsb_icao" || data.type == "adsb_other")
|
|
this.dataSource = "adsb";
|
|
else if (data.type && data.type.substring(0,4) == "adsr")
|
|
this.dataSource = "other";
|
|
else if (data.type == "adsb_icao_nt")
|
|
this.dataSource = "other";
|
|
else if (this.position)
|
|
this.dataSource = "adsb";
|
|
else
|
|
this.dataSource = "other";
|
|
}
|
|
|
|
// remember last known altitude even if stale
|
|
if ("alt_baro" in data) {
|
|
this.altitude = data.alt_baro;
|
|
this.alt_baro = data.alt_baro;
|
|
} else if ("altitude" in data) {
|
|
this.altitude = data.altitude;
|
|
this.alt_baro = data.altitude;
|
|
} else {
|
|
this.alt_baro = null;
|
|
}
|
|
|
|
// don't expire the track, even display outdated track
|
|
if ("track" in data)
|
|
this.track = data.track;
|
|
|
|
this.last_message_time = receiver_timestamp - data.seen;
|
|
|
|
if (init)
|
|
return;
|
|
|
|
var alt_change = Math.abs(this.altitude - this.altitude_cached);
|
|
if (isNaN(alt_change) || alt_change >= 75)
|
|
this.altitude_cached = this.altitude;
|
|
|
|
// Update all of our data
|
|
this.messages = data.messages;
|
|
if (!this.rssa)
|
|
this.rssa = [data.rssi,data.rssi,data.rssi,data.rssi];
|
|
this.rssa[this.rindex++%4] = data.rssi;
|
|
this.rssi = (this.rssa[0] + this.rssa[1] + this.rssa[2] + this.rssa[3])/4;
|
|
|
|
if ("gs" in data)
|
|
this.gs = data.gs;
|
|
else if ("speed" in data)
|
|
this.gs = data.speed;
|
|
else
|
|
this.gs = null;
|
|
|
|
if ("baro_rate" in data)
|
|
this.baro_rate = data.baro_rate;
|
|
else if ("vert_rate" in data)
|
|
this.baro_rate = data.vert_rate;
|
|
else
|
|
this.baro_rate = null;
|
|
|
|
// simple fields
|
|
|
|
this.alt_geom = data.alt_geom;
|
|
this.speed = data.gs;
|
|
this.ias = data.ias;
|
|
this.tas = data.tas;
|
|
this.track_rate = data.track_rate;
|
|
this.mag_heading = data.mag_heading;
|
|
this.mach = data.mach;
|
|
this.roll = data.roll;
|
|
this.nav_altitude = data.nav_altitude;
|
|
this.nav_heading = data.nav_heading;
|
|
this.nav_modes = data.nav_modes;
|
|
this.nac_p = data.nac_p;
|
|
this.nac_v = data.nac_v;
|
|
this.nic_baro = data.nic_baro;
|
|
this.sil_type = data.sil_type;
|
|
this.sil = data.sil;
|
|
this.nav_qnh = data.nav_qnh;
|
|
this.geom_rate = data.geom_rate;
|
|
this.rc = data.rc;
|
|
this.squawk = data.squawk;
|
|
this.category = data.category;
|
|
this.version = data.version;
|
|
|
|
// fields with more complex behaviour
|
|
if ("true_heading" in data)
|
|
this.true_heading = data.true_heading;
|
|
else
|
|
this.true_heading = null;
|
|
|
|
// don't expire callsigns
|
|
if ('flight' in data)
|
|
this.flight = data.flight;
|
|
|
|
if ('type' in data)
|
|
this.addrtype = data.type;
|
|
else
|
|
this.addrtype = null;
|
|
|
|
if ('lat' in data && SitePosition) {
|
|
//var WGS84 = new ol.Sphere(6378137);
|
|
//this.sitedist = WGS84.haversineDistance(SitePosition, this.position);
|
|
this.sitedist = ol.sphere.getDistance(SitePosition, this.position);
|
|
}
|
|
|
|
// Pick a selected altitude
|
|
if ('nav_altitude_fms' in data) {
|
|
this.nav_altitude = data.nav_altitude_fms;
|
|
} else if ('nav_altitude_mcp' in data) {
|
|
this.nav_altitude = data.nav_altitude_mcp;
|
|
} else {
|
|
this.nav_altitude = null;
|
|
}
|
|
|
|
|
|
// Use geometric altitude if plane doesn't transmit alt_baro
|
|
if (this.altitude == null && 'alt_geom' in data) {
|
|
this.altitude = data.alt_geom;
|
|
}
|
|
|
|
// Pick vertical rate from either baro or geom rate
|
|
// geometric rate is generally more reliable (smoothed etc)
|
|
if ('geom_rate' in data) {
|
|
this.vert_rate = data.geom_rate;
|
|
} else if ('baro_rate' in data) {
|
|
this.vert_rate = data.baro_rate;
|
|
} else {
|
|
this.vert_rate = null;
|
|
}
|
|
|
|
};
|
|
|
|
PlaneObject.prototype.updateTick = function(receiver_timestamp, last_timestamp, init) {
|
|
// recompute seen and seen_pos
|
|
this.seen = receiver_timestamp - this.last_message_time;
|
|
this.seen_pos = receiver_timestamp - this.position_time;
|
|
|
|
// If no packet in over 58 seconds, clear the plane.
|
|
// Only clear the plane if it's not selected individually
|
|
if ((this.seen > 58 || this.position == null || this.seen_pos > 100)
|
|
&& (!this.selected || SelectedAllPlanes)) {
|
|
if (this.visible) {
|
|
//console.log("hiding " + this.icao);
|
|
this.clearMarker();
|
|
this.clearLines();
|
|
this.visible = false;
|
|
if (SelectedPlane == this.icao)
|
|
selectPlaneByHex(null,false);
|
|
}
|
|
} else {
|
|
this.visible = true;
|
|
if (init || this.updateTrack(receiver_timestamp, last_timestamp)) {
|
|
this.updateLines();
|
|
this.updateMarker(true);
|
|
} else {
|
|
this.updateMarker(false); // didn't move
|
|
}
|
|
}
|
|
};
|
|
|
|
PlaneObject.prototype.clearMarker = function() {
|
|
if (this.marker) {
|
|
PlaneIconFeatures.remove(this.marker);
|
|
/* FIXME 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.position == null || this.isFiltered()) {
|
|
this.clearMarker();
|
|
return;
|
|
}
|
|
|
|
this.updateIcon();
|
|
if (this.marker) {
|
|
if (moved) {
|
|
this.marker.setGeometry(new ol.geom.Point(ol.proj.fromLonLat(this.position)));
|
|
}
|
|
} else {
|
|
this.marker = new ol.Feature(new ol.geom.Point(ol.proj.fromLonLat(this.position)));
|
|
this.marker.hex = this.icao;
|
|
this.marker.setStyle(this.markerStyle);
|
|
PlaneIconFeatures.push(this.marker);
|
|
}
|
|
};
|
|
|
|
|
|
// return the styling of the lines based on altitude
|
|
PlaneObject.prototype.altitudeLines = function(altitude) {
|
|
var colorArr = this.getAltitudeColor(altitude);
|
|
var color = 'hsl(' + (colorArr[0]/5).toFixed(0)*5 + ',' + (colorArr[1]/5).toFixed(0)*5 + '%,' + (colorArr[2]/5).toFixed(0)*5 + '%)'
|
|
if (!debug) {
|
|
return new ol.style.Style({
|
|
stroke: new ol.style.Stroke({
|
|
color: color,
|
|
width: 2,
|
|
})
|
|
});
|
|
} else {
|
|
return [
|
|
new ol.style.Style({
|
|
image: new ol.style.Circle({
|
|
radius: 2,
|
|
fill: new ol.style.Fill({
|
|
color: color
|
|
})
|
|
}),
|
|
geometry: function(feature) {
|
|
return new ol.geom.MultiPoint(feature.getGeometry().getCoordinates());
|
|
}
|
|
}),
|
|
new ol.style.Style({
|
|
stroke: new ol.style.Stroke({
|
|
color: color,
|
|
width: 2
|
|
})
|
|
})
|
|
];
|
|
}
|
|
}
|
|
|
|
// Update our planes tail line,
|
|
PlaneObject.prototype.updateLines = function() {
|
|
if (!this.selected)
|
|
return;
|
|
|
|
if (this.track_linesegs.length == 0)
|
|
return;
|
|
|
|
var estimateStyle = new ol.style.Style({
|
|
stroke: new ol.style.Stroke({
|
|
color: '#808080',
|
|
width: 1.2
|
|
})
|
|
});
|
|
|
|
var airStyle = new ol.style.Style({
|
|
stroke: new ol.style.Stroke({
|
|
color: '#000000',
|
|
width: 2
|
|
})
|
|
});
|
|
|
|
var groundStyle = new ol.style.Style({
|
|
stroke: new ol.style.Stroke({
|
|
color: '#408040',
|
|
width: 2
|
|
})
|
|
});
|
|
|
|
|
|
// create the new elastic band feature
|
|
var lastseg = this.track_linesegs[this.track_linesegs.length - 1];
|
|
var lastfixed = lastseg.fixed.getCoordinateAt(1.0);
|
|
var geom = new ol.geom.LineString([lastfixed, ol.proj.fromLonLat(this.position)]);
|
|
this.elastic_feature = new ol.Feature(geom);
|
|
if (lastseg.estimated) {
|
|
this.elastic_feature.setStyle(estimateStyle);
|
|
} else {
|
|
this.elastic_feature.setStyle(this.altitudeLines(lastseg.altitude));
|
|
}
|
|
|
|
// elastic feature is always at index 0 for each aircraft
|
|
this.trail_features.setAt(0, this.elastic_feature);
|
|
|
|
// create any missing fixed line features
|
|
var start_i = 0;
|
|
if (this.track_linesegs.length > 1 && this.track_linesegs[this.track_linesegs.length-2].feature != null)
|
|
start_i = this.track_linesegs.length-1;
|
|
|
|
for (var i = start_i; i < this.track_linesegs.length; ++i) {
|
|
var seg = this.track_linesegs[i];
|
|
if (!seg.feature) {
|
|
seg.feature = new ol.Feature(seg.fixed);
|
|
if (seg.estimated) {
|
|
seg.feature.setStyle(estimateStyle);
|
|
} else {
|
|
seg.feature.setStyle(this.altitudeLines(seg.altitude));
|
|
}
|
|
|
|
this.trail_features.push(seg.feature);
|
|
}
|
|
}
|
|
|
|
|
|
// after making sure everything is drawn, also show the layer
|
|
if (!this.layer.getVisible())
|
|
this.layer.setVisible(true);
|
|
};
|
|
|
|
PlaneObject.prototype.remakeTrail = function() {
|
|
|
|
this.trail_features.clear();
|
|
for (var i in this.track_linesegs) {
|
|
this.track_linesegs[i].feature = null;
|
|
}
|
|
this.elastic_feature = null;
|
|
|
|
trailGroup.remove(this.layer);
|
|
|
|
this.trail_features = new ol.Collection();
|
|
|
|
this.layer = new ol.layer.Vector({
|
|
name: this.icao,
|
|
source: new ol.source.Vector({
|
|
features: this.trail_features,
|
|
})
|
|
});
|
|
|
|
trailGroup.push(this.layer);
|
|
|
|
this.updateLines();
|
|
}
|
|
|
|
PlaneObject.prototype.destroy = function() {
|
|
this.clearLines();
|
|
this.clearMarker();
|
|
trailGroup.remove(this.layer);
|
|
this.trail_features.clear();
|
|
if (this.tr) {
|
|
this.tr.removeEventListener('click', this.clickListener);
|
|
this.tr.removeEventListener('dblclick', this.dblclickListener);
|
|
if (this.tr.parentNode)
|
|
this.tr.parentNode.removeChild(this.tr);
|
|
this.tr = null;
|
|
}
|
|
this.track_linesegs = null;
|
|
this.filter = null;
|
|
this.markerIcon = null;
|
|
this.markerStyle = null;
|
|
if (this.icao == SelectedPlane)
|
|
SelectedPlane = null;
|
|
};
|