137 Zeilen
6.4 KiB
JavaScript
137 Zeilen
6.4 KiB
JavaScript
/**
|
|
* Katastrophen-Layer: NASA EONET + USGS Erdbeben kombiniert.
|
|
*/
|
|
const DisastersLayer = {
|
|
_viewer: null,
|
|
_dataSource: null,
|
|
_interval: null,
|
|
_count: 0,
|
|
|
|
start(viewer) {
|
|
if (this._dataSource) return;
|
|
this._viewer = viewer;
|
|
this._dataSource = new Cesium.CustomDataSource('disasters');
|
|
viewer.dataSources.add(this._dataSource);
|
|
this._fetch();
|
|
var self = this;
|
|
this._interval = setInterval(function() { self._fetch(); }, 600000);
|
|
},
|
|
|
|
stop() {
|
|
if (this._interval) { clearInterval(this._interval); this._interval = null; }
|
|
if (this._dataSource && this._viewer) { this._viewer.dataSources.remove(this._dataSource); this._dataSource = null; }
|
|
this._count = 0;
|
|
},
|
|
|
|
_fetch() {
|
|
var self = this;
|
|
var loadEl = document.getElementById('loading-disasters');
|
|
var statusEl = document.getElementById('status-disasters');
|
|
if (loadEl) loadEl.classList.add('active');
|
|
if (statusEl) { statusEl.textContent = 'Lade Katastrophen + Erdbeben...'; statusEl.classList.add('active'); }
|
|
|
|
Promise.all([
|
|
fetch('/api/disasters').then(function(r) { return r.json(); }).catch(function() { return { events: [] }; }),
|
|
fetch('/api/quakes').then(function(r) { return r.json(); }).catch(function() { return { features: [] }; })
|
|
])
|
|
.then(function(results) {
|
|
if (!self._dataSource) return;
|
|
self._dataSource.entities.removeAll();
|
|
var events = results[0].events || [];
|
|
var quakes = results[1].features || [];
|
|
self._renderEonet(events);
|
|
self._renderQuakes(quakes);
|
|
self._count = events.length + quakes.length;
|
|
if (statusEl) statusEl.textContent = self._count + ' Ereignisse';
|
|
})
|
|
.catch(function(e) { console.warn('Disasters error:', e); if (statusEl) statusEl.textContent = 'Fehler'; })
|
|
.finally(function() { if (loadEl) loadEl.classList.remove('active'); setTimeout(function() { if (statusEl) statusEl.classList.remove('active'); }, 5000); });
|
|
},
|
|
|
|
_renderEonet(events) {
|
|
var self = this;
|
|
var icons = {
|
|
'wildfires': { color: '#ff4400', label: 'Waldbrand' },
|
|
'volcanoes': { color: '#ff0000', label: 'Vulkan' },
|
|
'severeStorms': { color: '#aa44ff', label: 'Sturm' },
|
|
'floods': { color: '#4488ff', label: 'Flut' },
|
|
'earthquakes': { color: '#ffaa00', label: 'Erdbeben' },
|
|
'seaLakeIce': { color: '#88ddff', label: 'Eis' },
|
|
'landslides': { color: '#886644', label: 'Erdrutsch' },
|
|
};
|
|
events.forEach(function(evt) {
|
|
var cats = evt.categories || [];
|
|
var catId = cats.length ? cats[0].id : 'unknown';
|
|
var icon = icons[catId] || { color: '#ffffff', label: catId };
|
|
var geom = evt.geometry || [];
|
|
if (!geom.length) return;
|
|
var latest = geom[geom.length - 1];
|
|
var coords = latest.coordinates;
|
|
if (!coords || coords.length < 2) return;
|
|
self._dataSource.entities.add({
|
|
position: Cesium.Cartesian3.fromDegrees(coords[0], coords[1], 0),
|
|
point: {
|
|
pixelSize: 8,
|
|
color: Cesium.Color.fromCssColorString(icon.color),
|
|
outlineColor: Cesium.Color.fromCssColorString(icon.color).withAlpha(0.4),
|
|
outlineWidth: 3,
|
|
heightReference: Cesium.HeightReference.NONE,
|
|
},
|
|
label: {
|
|
text: icon.label,
|
|
font: '10px monospace',
|
|
fillColor: Cesium.Color.fromCssColorString(icon.color),
|
|
outlineColor: Cesium.Color.BLACK,
|
|
outlineWidth: 2,
|
|
style: Cesium.LabelStyle.FILL_AND_OUTLINE,
|
|
pixelOffset: new Cesium.Cartesian2(0, -14),
|
|
scale: 0.7,
|
|
distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 5000000),
|
|
},
|
|
description: '<div style="font-family:monospace;font-size:13px;padding:8px">' +
|
|
'<strong style="color:' + icon.color + '">' + icon.label.toUpperCase() + '</strong><br>' +
|
|
'<span style="color:#e0e0e0">' + (evt.title || '?') + '</span><br>' +
|
|
'<span style="color:#888">Quellen: ' + (evt.sources || []).map(function(s) { return s.id; }).join(', ') + '</span></div>',
|
|
});
|
|
});
|
|
},
|
|
|
|
_renderQuakes(features) {
|
|
var self = this;
|
|
var now = Date.now();
|
|
features.forEach(function(f) {
|
|
var c = f.geometry.coordinates;
|
|
var p = f.properties;
|
|
var mag = p.mag || 1;
|
|
var ageH = (now - p.time) / 3600000;
|
|
var color = ageH < 1 ? '#ff0000' : ageH < 6 ? '#ff6600' : ageH < 12 ? '#ffaa00' : '#ffdd00';
|
|
self._dataSource.entities.add({
|
|
position: Cesium.Cartesian3.fromDegrees(c[0], c[1], 0),
|
|
point: {
|
|
pixelSize: Math.max(mag * 2.5, 4),
|
|
color: Cesium.Color.fromCssColorString(color),
|
|
outlineColor: Cesium.Color.fromCssColorString(color).withAlpha(0.4),
|
|
outlineWidth: 2,
|
|
heightReference: Cesium.HeightReference.NONE,
|
|
},
|
|
label: {
|
|
text: 'M' + mag.toFixed(1),
|
|
font: '10px monospace',
|
|
fillColor: Cesium.Color.fromCssColorString(color),
|
|
outlineColor: Cesium.Color.BLACK,
|
|
outlineWidth: 2,
|
|
style: Cesium.LabelStyle.FILL_AND_OUTLINE,
|
|
pixelOffset: new Cesium.Cartesian2(0, -12),
|
|
scale: 0.7,
|
|
distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 2000000),
|
|
},
|
|
description: '<div style="font-family:monospace;font-size:13px;padding:8px">' +
|
|
'<strong style="color:' + color + '">ERDBEBEN M' + mag.toFixed(1) + '</strong><br>' +
|
|
'<span style="color:#e0e0e0">' + (p.place || '?') + '</span><br>' +
|
|
'<span style="color:#888">Tiefe: ' + (c[2] || '?') + ' km | ' +
|
|
new Date(p.time).toLocaleString('de-DE') + '</span></div>',
|
|
});
|
|
});
|
|
},
|
|
};
|