555 lines
21 KiB
JavaScript
555 lines
21 KiB
JavaScript
"use strict";
|
|
|
|
function PlaneObject(icao) {
|
|
// Info about the plane
|
|
this.icao = icao;
|
|
this.icaorange = findICAORange(icao);
|
|
this.flight = null;
|
|
this.squawk = null;
|
|
this.selected = false;
|
|
this.category = null;
|
|
|
|
// Basic location information
|
|
this.altitude = null;
|
|
this.speed = null;
|
|
this.track = null;
|
|
this.prev_position = null;
|
|
this.position = null;
|
|
this.position_from_mlat = false
|
|
this.sitedist = null;
|
|
|
|
// Data packet numbers
|
|
this.messages = null;
|
|
this.rssi = null;
|
|
|
|
// Track history as a series of line segments
|
|
this.track_linesegs = [];
|
|
this.history_size = 0;
|
|
|
|
// When was this last updated (receiver timestamp)
|
|
this.last_message_time = null;
|
|
this.last_position_time = null;
|
|
|
|
// When was this last updated (seconds before last update)
|
|
this.seen = null;
|
|
this.seen_pos = null;
|
|
|
|
// Display info
|
|
this.visible = true;
|
|
this.marker = null;
|
|
this.markerStyle = null;
|
|
this.markerIcon = null;
|
|
this.markerStaticStyle = null;
|
|
this.markerStaticIcon = null;
|
|
this.markerStyleKey = null;
|
|
this.markerSvgKey = null;
|
|
this.filter = {};
|
|
|
|
// start from a computed registration, let the DB override it
|
|
// if it has something else.
|
|
this.registration = registration_from_hexid(this.icao);
|
|
this.icaotype = null;
|
|
this.typeDescription = null;
|
|
this.wtc = null;
|
|
|
|
// request metadata
|
|
getAircraftData(this.icao).done(function(data) {
|
|
if ("r" in data) {
|
|
this.registration = data.r;
|
|
}
|
|
|
|
if ("t" in data) {
|
|
this.icaotype = data.t;
|
|
}
|
|
|
|
if ("desc" in data) {
|
|
this.typeDescription = data.desc;
|
|
}
|
|
|
|
if ("wtc" in data) {
|
|
this.wtc = data.wtc;
|
|
}
|
|
|
|
if (this.selected) {
|
|
refreshSelected();
|
|
}
|
|
}.bind(this));
|
|
}
|
|
|
|
PlaneObject.prototype.isFiltered = function() {
|
|
if (this.filter.minAltitude !== undefined && this.filter.maxAltitude !== undefined) {
|
|
if (this.altitude === null || this.altitude === undefined) {
|
|
return true;
|
|
}
|
|
var planeAltitude = this.altitude === "ground" ? 0 : convert_altitude(this.altitude, this.filter.altitudeUnits);
|
|
return planeAltitude < this.filter.minAltitude || planeAltitude > this.filter.maxAltitude;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// Appends data to the running track so we can get a visual tail on the plane
|
|
// Only useful for a long running browser session.
|
|
PlaneObject.prototype.updateTrack = function(estimate_time) {
|
|
if (!this.position)
|
|
return false;
|
|
if (this.position == this.prev_position)
|
|
return false;
|
|
|
|
var projHere = ol.proj.fromLonLat(this.position);
|
|
var projPrev;
|
|
if (this.prev_position === null) {
|
|
projPrev = projHere;
|
|
} else {
|
|
projPrev = ol.proj.fromLonLat(this.prev_position);
|
|
}
|
|
|
|
this.prev_position = this.position;
|
|
|
|
if (this.track_linesegs.length == 0) {
|
|
// Brand new track
|
|
//console.log(this.icao + " new track");
|
|
var newseg = { fixed: new ol.geom.LineString([projHere]),
|
|
feature: null,
|
|
head_update: this.last_position_time,
|
|
tail_update: this.last_position_time,
|
|
estimated: false,
|
|
ground: (this.altitude === "ground")
|
|
};
|
|
this.track_linesegs.push(newseg);
|
|
this.history_size ++;
|
|
return;
|
|
}
|
|
|
|
var lastseg = this.track_linesegs[this.track_linesegs.length - 1];
|
|
var elapsed = (this.last_position_time - lastseg.head_update);
|
|
|
|
var est_track = (elapsed > estimate_time);
|
|
var ground_track = (this.altitude === "ground");
|
|
|
|
if (est_track) {
|
|
|
|
if (!lastseg.estimated) {
|
|
// >5s gap in data, create a new estimated segment
|
|
//console.log(this.icao + " switching to estimated");
|
|
lastseg.fixed.appendCoordinate(projPrev);
|
|
this.track_linesegs.push({ fixed: new ol.geom.LineString([projPrev, projHere]),
|
|
feature: null,
|
|
head_update: this.last_position_time,
|
|
estimated: true });
|
|
this.history_size += 2;
|
|
} else {
|
|
// Keep appending to the existing dashed line; keep every point
|
|
lastseg.fixed.appendCoordinate(projPrev);
|
|
lastseg.head_update = this.last_position_time;
|
|
this.history_size++;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
if (lastseg.estimated) {
|
|
// We are back to good data (we got two points close in time), switch back to
|
|
// solid lines.
|
|
lastseg = { fixed: new ol.geom.LineString([projPrev]),
|
|
feature: null,
|
|
head_update: this.last_position_time,
|
|
tail_update: this.last_position_time,
|
|
estimated: false,
|
|
ground: (this.altitude === "ground") };
|
|
this.track_linesegs.push(lastseg);
|
|
this.history_size ++;
|
|
// continue
|
|
}
|
|
|
|
if ( (lastseg.ground && this.altitude !== "ground") ||
|
|
(!lastseg.ground && this.altitude === "ground") ) {
|
|
//console.log(this.icao + " ground state changed");
|
|
// Create a new segment as the ground state changed.
|
|
// assume the state changed halfway between the two points
|
|
// FIXME needs reimplementing post-google
|
|
|
|
lastseg.fixed.appendCoordinate(projPrev);
|
|
this.track_linesegs.push({ fixed: new ol.geom.LineString([projPrev, projHere]),
|
|
feature: null,
|
|
head_update: this.last_position_time,
|
|
tail_update: this.last_position_time,
|
|
estimated: false,
|
|
ground: (this.altitude === "ground") });
|
|
this.history_size += 3;
|
|
return true;
|
|
}
|
|
|
|
// Add more data to the existing track.
|
|
// We only retain some historical points, at 5+ second intervals,
|
|
// plus the most recent point
|
|
if (this.last_position_time - lastseg.tail_update >= 5) {
|
|
// enough time has elapsed; retain the last point and add a new one
|
|
//console.log(this.icao + " retain last point");
|
|
lastseg.fixed.appendCoordinate(projHere);
|
|
lastseg.tail_update = lastseg.head_update;
|
|
this.history_size ++;
|
|
}
|
|
|
|
lastseg.head_update = this.last_position_time;
|
|
return true;
|
|
};
|
|
|
|
// This is to remove the line from the screen if we deselect the plane
|
|
PlaneObject.prototype.clearLines = function() {
|
|
for (var i = this.track_linesegs.length - 1; i >= 0 ; --i) {
|
|
var seg = this.track_linesegs[i];
|
|
if (seg.feature !== null) {
|
|
PlaneTrailFeatures.remove(seg.feature);
|
|
seg.feature = null;
|
|
}
|
|
}
|
|
};
|
|
|
|
PlaneObject.prototype.getDataSource = function() {
|
|
// MLAT
|
|
if (this.position_from_mlat) {
|
|
return 'mlat';
|
|
}
|
|
|
|
// Not MLAT, but position reported - ADSB
|
|
if (this.position !== null) {
|
|
return 'adsb';
|
|
}
|
|
|
|
// Otherwise Mode S
|
|
return 'mode_s';
|
|
|
|
// TODO: add support for Mode A/C
|
|
};
|
|
|
|
PlaneObject.prototype.getMarkerColor = function() {
|
|
// Emergency squawks override everything else
|
|
if (this.squawk in SpecialSquawks)
|
|
return SpecialSquawks[this.squawk].markerColor;
|
|
|
|
var h, s, l;
|
|
|
|
if (this.altitude === null) {
|
|
h = ColorByAlt.unknown.h;
|
|
s = ColorByAlt.unknown.s;
|
|
l = ColorByAlt.unknown.l;
|
|
} else if (this.altitude === "ground") {
|
|
h = ColorByAlt.ground.h;
|
|
s = ColorByAlt.ground.s;
|
|
l = ColorByAlt.ground.l;
|
|
} else {
|
|
s = ColorByAlt.air.s;
|
|
l = ColorByAlt.air.l;
|
|
|
|
// find the pair of points the current altitude lies between,
|
|
// and interpolate the hue between those points
|
|
var hpoints = ColorByAlt.air.h;
|
|
h = hpoints[0].val;
|
|
for (var i = hpoints.length-1; i >= 0; --i) {
|
|
if (this.altitude > hpoints[i].alt) {
|
|
if (i == hpoints.length-1) {
|
|
h = hpoints[i].val;
|
|
} else {
|
|
h = hpoints[i].val + (hpoints[i+1].val - hpoints[i].val) * (this.altitude - hpoints[i].alt) / (hpoints[i+1].alt - hpoints[i].alt)
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// If we have not seen a recent position update, change color
|
|
if (this.seen_pos > 15) {
|
|
h += ColorByAlt.stale.h;
|
|
s += ColorByAlt.stale.s;
|
|
l += ColorByAlt.stale.l;
|
|
}
|
|
|
|
// If this marker is selected, change color
|
|
if (this.selected){
|
|
h += ColorByAlt.selected.h;
|
|
s += ColorByAlt.selected.s;
|
|
l += ColorByAlt.selected.l;
|
|
}
|
|
|
|
// If this marker is a mlat position, change color
|
|
if (this.position_from_mlat) {
|
|
h += ColorByAlt.mlat.h;
|
|
s += ColorByAlt.mlat.s;
|
|
l += ColorByAlt.mlat.l;
|
|
}
|
|
|
|
if (h < 0) {
|
|
h = (h % 360) + 360;
|
|
} else if (h >= 360) {
|
|
h = h % 360;
|
|
}
|
|
|
|
if (s < 5) s = 5;
|
|
else if (s > 95) s = 95;
|
|
|
|
if (l < 5) l = 5;
|
|
else if (l > 95) l = 95;
|
|
|
|
return 'hsl(' + (h/5).toFixed(0)*5 + ',' + (s/5).toFixed(0)*5 + '%,' + (l/5).toFixed(0)*5 + '%)'
|
|
}
|
|
|
|
PlaneObject.prototype.updateIcon = function() {
|
|
var col = this.getMarkerColor();
|
|
var opacity = (this.position_from_mlat ? 0.75 : 1.0);
|
|
var outline = (this.position_from_mlat ? OutlineMlatColor : OutlineADSBColor);
|
|
var baseMarker = getBaseMarker(this.category, this.icaotype, this.typeDescription, this.wtc);
|
|
var weight = ((this.selected ? 2 : 1) / baseMarker.scale).toFixed(1);
|
|
var rotation = (this.track === null ? 0 : this.track);
|
|
var transparentBorderWidth = (32 / baseMarker.scale).toFixed(1);
|
|
|
|
var svgKey = col + '!' + outline + '!' + baseMarker.key + '!' + weight;
|
|
var styleKey = opacity + '!' + rotation;
|
|
|
|
if (this.markerStyle === null || this.markerIcon === null || this.markerSvgKey != svgKey) {
|
|
//console.log(this.icao + " new icon and style " + this.markerSvgKey + " -> " + svgKey);
|
|
|
|
var icon = new ol.style.Icon({
|
|
anchor: baseMarker.anchor,
|
|
anchorXUnits: 'pixels',
|
|
anchorYUnits: 'pixels',
|
|
scale: baseMarker.scale,
|
|
imgSize: baseMarker.size,
|
|
src: svgPathToURI(baseMarker.path, baseMarker.size, outline, weight, col, transparentBorderWidth),
|
|
rotation: (baseMarker.noRotate ? 0 : rotation * Math.PI / 180.0),
|
|
opacity: opacity,
|
|
rotateWithView: (baseMarker.noRotate ? false : true)
|
|
});
|
|
|
|
if (baseMarker.noRotate) {
|
|
// the base marker won't be rotated
|
|
this.markerStaticIcon = icon;
|
|
this.markerStaticStyle = new ol.style.Style({
|
|
image: this.markerStaticIcon
|
|
});
|
|
|
|
// create an arrow that we will rotate around the base marker
|
|
// to indicate heading
|
|
|
|
var offset = baseMarker.markerRadius * baseMarker.scale + 6;
|
|
var size = offset * 2;
|
|
|
|
var arrowPath = "M " + offset + ",0 m 4,4 -8,0 4,-4 z";
|
|
this.markerIcon = new ol.style.Icon({
|
|
anchor: [offset, offset],
|
|
anchorXUnits: 'pixels',
|
|
anchorYUnits: 'pixels',
|
|
scale: 1.0,
|
|
imgSize: [size, size],
|
|
src: svgPathToURI(arrowPath, [size, size], outline, 1, outline, 0),
|
|
rotation: rotation * Math.PI / 180.0,
|
|
opacity: opacity,
|
|
rotateWithView: true
|
|
});
|
|
this.markerStyle = new ol.style.Style({
|
|
image: this.markerIcon
|
|
});
|
|
} else {
|
|
this.markerIcon = icon;
|
|
this.markerStyle = new ol.style.Style({
|
|
image: this.markerIcon
|
|
});
|
|
this.markerStaticIcon = null;
|
|
this.markerStaticStyle = new ol.style.Style({});
|
|
}
|
|
|
|
this.markerStyleKey = styleKey;
|
|
this.markerSvgKey = svgKey;
|
|
|
|
if (this.marker !== null) {
|
|
this.marker.setStyle(this.markerStyle);
|
|
this.markerStatic.setStyle(this.markerStaticStyle);
|
|
}
|
|
}
|
|
|
|
if (this.markerStyleKey != styleKey) {
|
|
//console.log(this.icao + " new rotation");
|
|
this.markerIcon.setRotation(rotation * Math.PI / 180.0);
|
|
this.markerIcon.setOpacity(opacity);
|
|
if (this.staticIcon) {
|
|
this.staticIcon.setOpacity(opacity);
|
|
}
|
|
this.markerStyleKey = styleKey;
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
// Update our data
|
|
PlaneObject.prototype.updateData = function(receiver_timestamp, data) {
|
|
// Update all of our data
|
|
this.messages = data.messages;
|
|
this.rssi = data.rssi;
|
|
this.last_message_time = receiver_timestamp - data.seen;
|
|
|
|
if (typeof data.altitude !== "undefined")
|
|
this.altitude = data.altitude;
|
|
if (typeof data.vert_rate !== "undefined")
|
|
this.vert_rate = data.vert_rate;
|
|
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 = [data.lon, data.lat];
|
|
this.last_position_time = receiver_timestamp - data.seen_pos;
|
|
|
|
if (SitePosition !== null) {
|
|
var WGS84 = new ol.Sphere(6378137);
|
|
this.sitedist = WGS84.haversineDistance(SitePosition, this.position);
|
|
}
|
|
|
|
this.position_from_mlat = false;
|
|
if (typeof data.mlat !== "undefined") {
|
|
for (var i = 0; i < data.mlat.length; ++i) {
|
|
if (data.mlat[i] === "lat" || data.mlat[i] == "lon") {
|
|
this.position_from_mlat = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (typeof data.flight !== "undefined")
|
|
this.flight = data.flight;
|
|
if (typeof data.squawk !== "undefined")
|
|
this.squawk = data.squawk;
|
|
if (typeof data.category !== "undefined")
|
|
this.category = data.category;
|
|
};
|
|
|
|
PlaneObject.prototype.updateTick = function(receiver_timestamp, last_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,false);
|
|
}
|
|
} else {
|
|
this.visible = true;
|
|
if (this.position !== null && (this.selected || this.seen_pos < 60)) {
|
|
if (this.updateTrack(receiver_timestamp - last_timestamp + (this.position_from_mlat ? 30 : 5))) {
|
|
this.updateLines();
|
|
this.updateMarker(true);
|
|
} else {
|
|
this.updateMarker(false); // didn't move
|
|
}
|
|
} else {
|
|
this.clearMarker();
|
|
}
|
|
}
|
|
};
|
|
|
|
PlaneObject.prototype.clearMarker = function() {
|
|
if (this.marker) {
|
|
PlaneIconFeatures.remove(this.marker);
|
|
PlaneIconFeatures.remove(this.markerStatic);
|
|
/* FIXME google.maps.event.clearListeners(this.marker, 'click'); */
|
|
this.marker = this.markerStatic = 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)));
|
|
this.markerStatic.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);
|
|
|
|
this.markerStatic = new ol.Feature(new ol.geom.Point(ol.proj.fromLonLat(this.position)));
|
|
this.markerStatic.hex = this.icao;
|
|
this.markerStatic.setStyle(this.markerStaticStyle);
|
|
PlaneIconFeatures.push(this.markerStatic);
|
|
}
|
|
};
|
|
|
|
// 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: '#a08080',
|
|
width: 1.5,
|
|
lineDash: [3, 3]
|
|
})
|
|
});
|
|
|
|
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 latest-position line
|
|
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)]);
|
|
var feature = new ol.Feature(geom);
|
|
lastseg.feature = feature;
|
|
feature.setStyle(this.altitude === 'ground' ? groundStyle : airStyle);
|
|
|
|
if (PlaneTrailFeatures.getLength() == 0) {
|
|
PlaneTrailFeatures.push(feature);
|
|
} else {
|
|
PlaneTrailFeatures.setAt(0, feature);
|
|
}
|
|
|
|
// create any missing fixed line features
|
|
for (var i = 0; i < this.track_linesegs.length; ++i) {
|
|
var seg = this.track_linesegs[i];
|
|
if (seg.feature === null) {
|
|
seg.feature = new ol.Feature(seg.fixed);
|
|
if (seg.estimated) {
|
|
seg.feature.setStyle(estimateStyle);
|
|
} else if (seg.ground) {
|
|
seg.feature.setStyle(groundStyle);
|
|
} else {
|
|
seg.feature.setStyle(airStyle);
|
|
}
|
|
|
|
PlaneTrailFeatures.push(seg.feature);
|
|
}
|
|
}
|
|
};
|
|
|
|
PlaneObject.prototype.destroy = function() {
|
|
this.clearLines();
|
|
this.clearMarker();
|
|
};
|