6f4c5ab3a6
- Animierter Ladebalken unter jedem Layer-Toggle bei Datenabruf - Status-Text (Lade Daten.../Fehler beim Laden) - Fetch-Wrapper: nur 401 redirected zum Login, nicht 403 - Ortsnamen: minimumLevel, tileWidth/Height, LINEAR Texture-Filter fuer konsistente Schriftgroessen beim Laden
83 Zeilen
3.6 KiB
JavaScript
83 Zeilen
3.6 KiB
JavaScript
/**
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* Flugverkehr-Layer: Grüne Punkte mit Höhenprofil auf dem 3D-Globus.
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*/
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const FlightsLayer = {
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_viewer: null,
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_dataSource: null,
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_interval: null,
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_count: 0,
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start(viewer) {
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if (this._dataSource) return;
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this._viewer = viewer;
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this._dataSource = new Cesium.CustomDataSource('flights');
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viewer.dataSources.add(this._dataSource);
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this._fetch();
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var self = this;
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this._interval = setInterval(function() { self._fetch(); }, 30000);
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},
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stop() {
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if (this._interval) { clearInterval(this._interval); this._interval = null; }
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if (this._dataSource && this._viewer) {
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this._viewer.dataSources.remove(this._dataSource);
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this._dataSource = null;
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}
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this._count = 0;
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},
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_fetch() {
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var self = this;
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var loadEl = document.getElementById('loading-flights');
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var statusEl = document.getElementById('status-flights');
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if (loadEl) loadEl.classList.add('active');
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if (statusEl) { statusEl.textContent = 'Lade Daten...'; statusEl.classList.add('active'); }
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fetch('/api/flights')
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.then(function(r) { return r.json(); })
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.then(function(data) {
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if (!self._dataSource) return;
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self._dataSource.entities.removeAll();
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var ac = data.ac || [];
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self._count = ac.length;
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ac.forEach(function(a) {
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if (!a.lat || !a.lon) return;
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var alt = (a.alt_baro || a.alt_geom || 10000) * 0.3048; // ft -> m
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if (alt < 100) alt = 10000; // ground = default
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var cs = (a.flight || a.callsign || a.hex || '???').trim();
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var spd = a.gs || 0;
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self._dataSource.entities.add({
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position: Cesium.Cartesian3.fromDegrees(a.lon, a.lat, alt),
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point: {
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pixelSize: 4,
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color: Cesium.Color.fromCssColorString('#00ff88'),
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outlineColor: Cesium.Color.fromCssColorString('#004422'),
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outlineWidth: 1,
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heightReference: Cesium.HeightReference.NONE,
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},
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label: {
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text: cs,
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font: '10px monospace',
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fillColor: Cesium.Color.fromCssColorString('#00ff88').withAlpha(0.8),
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outlineColor: Cesium.Color.BLACK,
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outlineWidth: 2,
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style: Cesium.LabelStyle.FILL_AND_OUTLINE,
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pixelOffset: new Cesium.Cartesian2(8, -4),
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scale: 0.8,
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showBackground: false,
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distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 2000000),
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},
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description: '<div style="font-family:monospace;font-size:12px;color:#00ff88">' +
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'<strong>' + cs + '</strong><br>' +
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'ALT: ' + (a.alt_baro || '?') + ' ft<br>' +
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'SPD: ' + Math.round(spd) + ' kts<br>' +
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'HDG: ' + Math.round(a.track || 0) + '°' +
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(a.t ? '<br>TYP: ' + a.t : '') +
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'</div>',
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});
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});
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})
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.catch(function(e) { console.warn('Flights fetch error:', e); if (statusEl) { statusEl.textContent = 'Fehler beim Laden'; } })
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.finally(function() { if (loadEl) loadEl.classList.remove('active'); setTimeout(function() { if (statusEl) statusEl.classList.remove('active'); }, 3000); });
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},
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};
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