allard
209 lines
8.1 KiB
HTML
209 lines
8.1 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>ISS Tracker — Live Position Feed</title>
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<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" />
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<link href="https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700&display=swap" rel="stylesheet" />
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<style>
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*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
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:root {
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--bg: #050d1a;
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--panel: #091628;
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--border: #0d3a6e;
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--accent: #00d4ff;
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--accent2: #ff6b35;
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--green: #39ff14;
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--text: #c8e6ff;
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--dim: #4a7aa0;
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--font-mono: 'Share Tech Mono', monospace;
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--font-disp: 'Orbitron', sans-serif;
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}
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html, body { height: 100%; background: var(--bg); color: var(--text); font-family: var(--font-mono); overflow: hidden; }
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#app { display: grid; grid-template-rows: 56px 1fr; height: 100vh; }
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header {
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display: flex; align-items: center; gap: 16px;
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padding: 0 20px;
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background: var(--panel);
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border-bottom: 1px solid var(--border);
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position: relative; z-index: 1000;
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}
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.logo { font-family: var(--font-disp); font-size: 15px; letter-spacing: 3px; color: var(--accent); white-space: nowrap; }
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.logo span { color: var(--accent2); }
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.status-bar { display: flex; gap: 24px; align-items: center; font-size: 11px; color: var(--dim); flex: 1; }
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.stat { display: flex; flex-direction: column; gap: 1px; }
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.stat-label { font-size: 9px; letter-spacing: 2px; color: var(--dim); text-transform: uppercase; }
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.stat-value { color: var(--accent); font-size: 12px; }
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#ping-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--dim); margin-left: auto; transition: background .3s; }
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#ping-dot.live { background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 2s infinite; }
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#ping-dot.error { background: var(--accent2); box-shadow: 0 0 8px var(--accent2); }
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@keyframes pulse { 0%,100% { opacity:1 } 50% { opacity:.4 } }
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#map { width: 100%; height: 100%; background: #020a14; }
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.leaflet-tile { filter: brightness(.7) saturate(1.4) hue-rotate(190deg); }
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.leaflet-container { background: #020a14; }
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.leaflet-control-zoom a { background: var(--panel); color: var(--accent); border-color: var(--border); }
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.leaflet-control-zoom a:hover { background: var(--border); }
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.leaflet-control-attribution { background: rgba(5,13,26,.8) !important; color: var(--dim) !important; font-size: 9px; }
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.leaflet-control-attribution a { color: var(--dim) !important; }
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#toast {
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position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
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background: var(--panel); border: 1px solid var(--border);
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color: var(--accent2); font-size: 12px; padding: 8px 20px;
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border-radius: 2px; z-index: 9999; opacity: 0; transition: opacity .4s;
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pointer-events: none;
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}
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#toast.show { opacity: 1; }
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.iss-ring {
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width: 24px; height: 24px; border-radius: 50%;
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border: 2px solid var(--accent);
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animation: sonar 1.5s ease-out infinite;
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position: absolute; top: -4px; left: -4px;
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}
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@keyframes sonar { 0% { transform: scale(1); opacity:1 } 100% { transform: scale(2.5); opacity:0 } }
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</style>
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</head>
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<body>
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<div id="app">
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<header>
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<div class="logo">ISS/<span>TRACKER</span></div>
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<div class="status-bar">
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<div class="stat"><span class="stat-label">Points</span><span class="stat-value" id="s-count">—</span></div>
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<div class="stat"><span class="stat-label">Latitude</span><span class="stat-value" id="s-lat">—</span></div>
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<div class="stat"><span class="stat-label">Longitude</span><span class="stat-value" id="s-lon">—</span></div>
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<div class="stat"><span class="stat-label">Last seen</span><span class="stat-value" id="s-ts">—</span></div>
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<div class="stat"><span class="stat-label">Refresh</span><span class="stat-value" id="s-refresh">10s</span></div>
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</div>
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<div id="ping-dot" title="Connection status"></div>
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</header>
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<div id="map"></div>
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</div>
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<div id="toast"></div>
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<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
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<script>
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const CRATEDB_URL = window.CRATEDB_URL || '/cratedb';
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const REFRESH_MS = parseInt(window.REFRESH_MS || '10000', 10);
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const TRAIL_LIMIT = parseInt(window.TRAIL_LIMIT || '1000', 10);
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const SQL = `
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SELECT "timestamp", "position"
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FROM "doc"."iss"
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ORDER BY "timestamp" DESC
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LIMIT ${TRAIL_LIMIT}
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`;
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const map = L.map('map', { center: [20, 0], zoom: 2 });
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L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
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attribution: '© OpenStreetMap contributors', maxZoom: 18,
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}).addTo(map);
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const trail = L.polyline([], {
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color: '#00d4ff', weight: 1.5, opacity: 0.5, dashArray: '4 6',
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}).addTo(map);
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const ghostLayer = L.layerGroup().addTo(map);
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const issIcon = L.divIcon({
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className: '',
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html: `<div style="width:16px;height:16px;border-radius:50%;background:#ff6b35;border:2px solid #fff;box-shadow:0 0 12px #ff6b35, 0 0 24px #ff6b35;position:relative;z-index:2"></div><div class="iss-ring"></div>`,
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iconSize: [16, 16], iconAnchor: [8, 8],
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});
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const issMarker = L.marker([0, 0], { icon: issIcon, zIndexOffset: 1000 }).addTo(map);
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function parseWKT(position) {
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if (!position) return null;
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// CrateDB returns position as [lon, lat] array
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if (Array.isArray(position)) {
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return { lon: position[0], lat: position[1] };
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}
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// fallback: WKT string
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const m = typeof position === 'string' && position.match(/POINT\s*\(\s*([-\d.]+)\s+([-\d.]+)\s*\)/i);
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if (!m) return null;
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return { lon: parseFloat(m[1]), lat: parseFloat(m[2]) };
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}
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const dot = document.getElementById('ping-dot');
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const toast = document.getElementById('toast');
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let toastTimer;
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function showToast(msg, isError = false) {
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toast.textContent = msg;
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toast.style.borderColor = isError ? 'var(--accent2)' : 'var(--border)';
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toast.classList.add('show');
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clearTimeout(toastTimer);
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toastTimer = setTimeout(() => toast.classList.remove('show'), 3500);
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}
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function updateHeader(rows) {
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document.getElementById('s-count').textContent = rows.length;
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if (!rows.length) return;
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const pt = parseWKT(rows[0][1]);
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if (pt) {
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document.getElementById('s-lat').textContent = pt.lat.toFixed(4) + '°';
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document.getElementById('s-lon').textContent = pt.lon.toFixed(4) + '°';
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}
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const ts = rows[0][0];
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document.getElementById('s-ts').textContent = ts
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? new Date(ts).toUTCString().replace(/.*,\s*/, '').replace(' GMT', ' UTC') : '—';
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}
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async function fetchPositions() {
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const res = await fetch(`${CRATEDB_URL}/_sql`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ stmt: SQL }),
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});
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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const json = await res.json();
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return json.rows || [];
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}
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let firstLoad = true;
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async function refresh() {
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try {
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const rows = await fetchPositions();
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dot.className = 'live';
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const points = rows.map(r => parseWKT(r[1])).filter(Boolean);
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ghostLayer.clearLayers();
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points.slice(1).forEach((pt, i) => {
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const age = i / Math.max(points.length, 1);
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L.circleMarker([pt.lat, pt.lon], {
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radius: 2 + (1 - age) * 2,
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color: '#00d4ff', fillColor: '#00d4ff',
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fillOpacity: 0.15 + (1 - age) * 0.45, weight: 0,
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}).addTo(ghostLayer);
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});
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trail.setLatLngs([...points].reverse().map(p => [p.lat, p.lon]));
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if (points.length > 0) {
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const latest = points[0];
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issMarker.setLatLng([latest.lat, latest.lon]);
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issMarker.bindPopup(`<div style="font-family:monospace;font-size:12px;color:#ff6b35"><b>ISS — Live</b><br>Lat: ${latest.lat.toFixed(4)}°<br>Lon: ${latest.lon.toFixed(4)}°</div>`);
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if (firstLoad) { map.setView([latest.lat, latest.lon], 3); firstLoad = false; }
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}
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updateHeader(rows);
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} catch (err) {
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dot.className = 'error';
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showToast(`CrateDB error: ${err.message}`, true);
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}
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}
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document.getElementById('s-refresh').textContent = (REFRESH_MS / 1000) + 's';
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refresh();
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setInterval(refresh, REFRESH_MS);
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</script>
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</body>
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</html>
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