377 lines
20 KiB
HTML
377 lines
20 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Prepared S2/S3 Viewer</title>
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<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" />
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<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/geotiff@2.0.7/dist-browser/geotiff.js"></script>
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<script src="common.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/proj4@2.9.0/dist/proj4.js"></script>
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<style>
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body { margin: 0; font-family: sans-serif; }
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.nav { margin-bottom: 15px; font-size: 14px; }
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.nav a { margin-right: 12px; color: #0066cc; text-decoration: none; }
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.nav a:hover { text-decoration: underline; }
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.nav a.active { font-weight: bold; }
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.container { max-width: 1400px; margin: 0 auto; padding: 20px; }
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.header-sticky { position: sticky; top: 0; background: white; z-index: 1000; border-bottom: 1px solid #ccc; padding-bottom: 20px; margin-bottom: 20px; }
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.selectors { margin-bottom: 20px; }
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.selectors select { padding: 5px 10px; font-size: 14px; margin-right: 15px; }
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h1 { margin: 0 0 5px 0; font-size: 22px; }
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.season-row { padding-bottom: 15px; }
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h2 { margin: 0; font-size: 16px; color: #666; display: inline; }
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.download-links { margin-left: 10px; font-size: 14px; }
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.download-links a { margin-right: 8px; color: #0066cc; text-decoration: none; }
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.download-links a:hover { text-decoration: underline; }
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#dateSlider { width: 100%; margin: 15px 0; }
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#dateDisplay { text-align: center; font-size: 14px; color: #666; }
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.map-label { font-size: 12px; margin-bottom: 3px; color: #666; }
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.map-date { font-size: 11px; margin-top: 3px; color: #999; }
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.plot-label { font-size: 12px; margin-bottom: 3px; color: #666; }
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.plot { width: 100%; height: 100px; border: 1px solid #ccc; margin-bottom: 15px; }
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#preparedMap { height: 500px; border: 1px solid #ccc; margin-top: 10px; }
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.leaflet-image-layer { image-rendering: pixelated; }
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.leaflet-control-attribution { display: none; }
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header-sticky">
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<div class="nav">
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<a href="index.html">Full</a>
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<a href="preselection.html">Pre-selection</a>
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<a href="prepared.html" class="active">Prepared</a>
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<a href="fusion.html">Fusion</a>
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<a href="postprocessed.html">Postprocessed</a>
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<a href="metrics.html">Metrics</a>
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</div>
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<h1 id="siteName">Innsbruck</h1>
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<div class="season-row"><h2 id="season">2024</h2><span class="download-links" id="downloadLinks"></span></div>
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<div class="selectors">
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<label>Site:</label>
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<select id="siteSelect"></select>
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<label>Season:</label>
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<select id="seasonSelect"></select>
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<label>Strategy:</label>
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<select id="strategySelect">
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<option value="aggressive">Aggressive</option>
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<option value="nonaggressive">Non-aggressive</option>
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</select>
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<label>Source:</label>
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<select id="sourceSelect">
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<option value="s2">S2</option>
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<option value="s3">S3</option>
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</select>
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<label>Mode:</label>
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<select id="fusionModeSelect" title="BtI = REFL/composite; ItB = GCC rasters">
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<option value="bti">BtI</option>
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<option value="itb">ItB</option>
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</select>
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</div>
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<input type="range" id="dateSlider" min="0" max="365" value="0">
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<div id="dateDisplay">2024-01-01</div>
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</div>
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<div class="map-label" id="mapLabel">Prepared RGB (closest available)</div>
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<div id="mapDate" class="map-date"></div>
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<div id="preparedMap"></div>
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<div id="plots">
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<div class="plot-label">NDVI</div><canvas id="plot_ndvi" class="plot"></canvas>
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<div class="plot-label">GCC</div><canvas id="plot_gcc" class="plot"></canvas>
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<div class="plot-label">B02 (Blue)</div><canvas id="plot_b02" class="plot"></canvas>
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<div class="plot-label">B03 (Green)</div><canvas id="plot_b03" class="plot"></canvas>
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<div class="plot-label">B04 (Red)</div><canvas id="plot_b04" class="plot"></canvas>
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<div class="plot-label">B8A (NIR)</div><canvas id="plot_b8a" class="plot"></canvas>
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</div>
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</div>
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<script>
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proj4.defs("EPSG:32632", "+proj=utm +zone=32 +datum=WGS84 +units=m +no_defs");
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proj4.defs("EPSG:4326", "+proj=longlat +datum=WGS84 +no_defs");
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let siteName = "innsbruck", season = "2024";
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let strategy = "aggressive", source = "s2", fusionMode = "bti";
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let sitePosition = [47.116171, 11.320308];
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let start = new Date(2024, 0, 1);
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let availableSiteSeasons = {};
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let preparedMap = null, overlay = null, marker = null;
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let ndviTs = [], gccTs = [], bandsTs = [];
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const BANDS = [{key:"b02",color:"#0066ff"},{key:"b03",color:"#00aa00"},{key:"b04",color:"#cc0000"},{key:"b8a",color:"#9900cc"}];
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const urlParams = new URLSearchParams(location.search);
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const osmUrl = "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png";
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const fmtDate = (d) => `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, "0")}-${String(d.getDate()).padStart(2, "0")}`;
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const dateFromDays = (days) => fmtDate(new Date(start.getTime() + days * 86400000));
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const daysFromDate = (dateStr) => {
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const [y, m, d] = dateStr.split("-").map(Number);
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return Math.floor((new Date(y, m - 1, d) - start) / 86400000);
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};
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function getPreparedPath() {
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const mid = fusionMode === "itb" ? `prepared_${strategy}_itb` : `prepared_${strategy}`;
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return `data/${siteName}/${season}/${mid}`;
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}
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async function loadTimeseries() {
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try {
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const [n, g, b] = await Promise.all([
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fetch(`${getPreparedPath()}/ndvi/${source}/timeseries.json`).then(r => r.ok ? r.json() : []),
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fetch(`${getPreparedPath()}/gcc/${source}/timeseries.json`).then(r => r.ok ? r.json() : []),
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fetch(`${getPreparedPath()}/bands/${source}/timeseries.json`).then(r => r.ok ? r.json() : [])
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]);
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ndviTs = n; gccTs = g; bandsTs = b;
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} catch { ndviTs = []; gccTs = []; bandsTs = []; }
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drawPlots();
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updateDownloadLinks();
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}
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function drawPlot(canvasId, data, key, color) {
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const canvas = document.getElementById(canvasId);
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if (!canvas) return;
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const ctx = canvas.getContext("2d");
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canvas.width = canvas.offsetWidth;
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canvas.height = 100;
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const w = canvas.width, h = canvas.height, pad = 30;
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const plotW = w - pad * 2, plotH = h - pad * 2;
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const pts = data.filter(t => t[key] != null);
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if (!pts.length) { ctx.clearRect(0, 0, canvas.width, canvas.height); ctx.fillStyle = "#999"; ctx.font = "12px sans-serif"; ctx.fillText("No data", pad, pad + plotH / 2); return; }
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const dates = pts.map(t => new Date(t.date));
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const vals = pts.map(t => t[key]);
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const minD = new Date(Math.min(...dates)), maxD = new Date(Math.max(...dates));
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const minV = Math.min(...vals), maxV = Math.max(...vals);
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const dRange = maxD - minD || 1, vRange = maxV - minV || 1;
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const x = d => pad + ((new Date(d) - minD) / dRange) * plotW;
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const y = v => pad + plotH - ((v - minV) / vRange) * plotH;
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ctx.clearRect(0, 0, w, h);
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ctx.strokeStyle = "#ccc";
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ctx.beginPath(); ctx.moveTo(pad, pad); ctx.lineTo(pad, pad + plotH); ctx.lineTo(pad + plotW, pad + plotH); ctx.stroke();
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ctx.fillStyle = "#000";
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ctx.font = "9px sans-serif";
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ctx.fillText(minV.toFixed(3), 2, pad + plotH + 10);
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ctx.fillText(maxV.toFixed(3), 2, pad + 3);
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ctx.strokeStyle = color;
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ctx.beginPath();
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pts.forEach((t, i) => { const px = x(t.date), py = y(t[key]); i ? ctx.lineTo(px, py) : ctx.moveTo(px, py); });
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ctx.stroke();
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const curDate = dateFromDays(parseInt(document.getElementById("dateSlider").value));
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const xPos = x(curDate);
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ctx.strokeStyle = "#f00";
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ctx.lineWidth = 2;
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ctx.beginPath(); ctx.moveTo(xPos, pad); ctx.lineTo(xPos, pad + plotH); ctx.stroke();
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const closest = pts.reduce((c, t) => Math.abs(new Date(t.date) - new Date(curDate)) < Math.abs(new Date(c.date) - new Date(curDate)) ? t : c);
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if (closest) { ctx.fillStyle = "#f00"; ctx.font = "bold 10px sans-serif"; ctx.fillText(closest[key].toFixed(3), xPos + 5, y(closest[key]) - 5); }
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}
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function drawPlots() {
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drawPlot("plot_ndvi", ndviTs, "ndvi", "#2d7a3e");
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drawPlot("plot_gcc", gccTs, "greenness_index", "#00aa00");
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BANDS.forEach(b => drawPlot(`plot_${b.key}`, bandsTs, b.key, b.color));
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}
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function updateDownloadLinks() {
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const el = document.getElementById("downloadLinks");
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if (!el) return;
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const root = getPreparedPath();
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if (fusionMode === "itb") {
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el.innerHTML = `<a href="${root}/gcc/${source}/timeseries.json">[GCC JSON]</a>`;
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return;
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}
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const base = `${root}/export/${source}`;
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const name = `${siteName}_${season}_prepared_${strategy}_${source}`;
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el.innerHTML = `<a href="${base}/timeseries.json" download="${name}.json">[JSON]</a><a href="${base}/timeseries.csv" download="${name}.csv">[CSV]</a>`;
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}
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async function findPreparedFile(dateStr) {
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const target = new Date(dateStr);
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const yearEnd = new Date(parseInt(season), 11, 31);
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const seasonStart = start.getTime();
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const seasonEnd = yearEnd.getTime();
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for (let offset = 0; offset <= 365; offset++) {
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for (const dir of offset === 0 ? [0] : [-1, 1]) {
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const d = new Date(target.getTime() + dir * offset * 86400000);
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if (d.getTime() < seasonStart || d.getTime() > seasonEnd) continue;
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const ds = d.toISOString().split("T")[0].replace(/-/g, "");
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const filename =
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source === "s2"
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? fusionMode === "itb"
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? `S2A_MSIL2A_${ds}_GCC.tif`
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: `S2A_MSIL2A_${ds}_REFL.tif`
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: `composite_${ds}.tif`;
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try {
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const res = await fetch(`${getPreparedPath()}/${source}/${filename}`, { method: "HEAD" });
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if (res.ok) return filename;
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} catch {}
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}
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}
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return null;
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}
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function transformBounds(bbox, fromCRS) {
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const sw = proj4(fromCRS, "EPSG:4326", [bbox[0], bbox[1]]);
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const ne = proj4(fromCRS, "EPSG:4326", [bbox[2], bbox[3]]);
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return [[sw[1], sw[0]], [ne[1], ne[0]]];
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}
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async function loadGeotiff(filename) {
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const path = `${getPreparedPath()}/${source}/${filename}`;
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const buf = await (await fetch(path)).arrayBuffer();
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const { dataUrl, bbox, crsCode } = await geotiffToCanvasDataUrl(buf);
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const bounds = crsCode === "EPSG:4326" ? [[bbox[1], bbox[0]], [bbox[3], bbox[2]]] : transformBounds(bbox, crsCode);
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const m = filename.match(/(\d{8})/);
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const dateStr = m ? m[1] : "";
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return { dataUrl, bounds, dateStr };
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}
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async function updateMap() {
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const dateStr = dateFromDays(parseInt(document.getElementById("dateSlider").value));
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const filename = await findPreparedFile(dateStr);
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if (!filename || !preparedMap) {
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if (overlay) { preparedMap.removeLayer(overlay); overlay = null; }
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document.getElementById("mapDate").textContent = "";
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return;
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}
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try {
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const { dataUrl, bounds, dateStr: ds } = await loadGeotiff(filename);
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if (overlay) preparedMap.removeLayer(overlay);
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overlay = L.imageOverlay(dataUrl, bounds, { opacity: 0.95 }).addTo(preparedMap);
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preparedMap.fitBounds(bounds);
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document.getElementById("mapDate").textContent = `${ds.slice(0,4)}-${ds.slice(4,6)}-${ds.slice(6,8)}`;
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} catch (e) {
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if (overlay) { preparedMap.removeLayer(overlay); overlay = null; }
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document.getElementById("mapDate").textContent = "";
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}
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}
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async function probeDataExists(sitename, s) {
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try {
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const res = await fetch(`data/${sitename}/${s}/raw/preselection/s2_preselection.json`, { method: "HEAD" });
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return res.ok;
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} catch { return false; }
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}
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function getSiteBySitename(sn) {
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return window.sitesData?.features?.find(f => f.properties?.sitename === sn);
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}
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async function setSiteSeason(newSite, newSeason) {
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siteName = newSite;
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season = newSeason;
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start = new Date(parseInt(season), 0, 1);
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const site = getSiteBySitename(newSite);
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if (site?.geometry?.coordinates) {
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const [lon, lat] = site.geometry.coordinates;
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sitePosition = [lat, lon];
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}
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if (preparedMap) { preparedMap.setView(sitePosition, 12); if (marker) marker.setLatLng(sitePosition); }
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document.getElementById("siteName").textContent = (site?.properties?.description || newSite);
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document.getElementById("season").textContent = season;
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const yearEnd = new Date(parseInt(season), 11, 31);
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document.getElementById("dateSlider").max = Math.ceil((yearEnd - start) / 86400000);
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const params = new URLSearchParams(location.search);
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params.set("site", siteName);
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params.set("season", season);
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params.set("mode", fusionMode);
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history.replaceState({}, "", `?${params}`);
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const urlDate = params.get("date");
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if (urlDate) document.getElementById("dateSlider").value = daysFromDate(urlDate);
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document.getElementById("dateDisplay").textContent = dateFromDays(parseInt(document.getElementById("dateSlider").value));
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await loadTimeseries();
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await updateMap();
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}
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async function init() {
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try {
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const res = await fetch("data/sites.geojson");
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window.sitesData = res.ok ? await res.json() : { features: [] };
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} catch { window.sitesData = { features: [] }; }
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const features = window.sitesData.features || [];
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for (const f of features) {
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const sn = f.properties?.sitename;
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if (!sn) continue;
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const seasonsFromGeo = f.properties?.seasons ? Object.keys(f.properties.seasons).sort() : [];
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const withData = [];
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for (const s of seasonsFromGeo) {
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if (await probeDataExists(sn, s)) withData.push(s);
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}
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if (withData.length) availableSiteSeasons[sn] = withData;
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}
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const availableSites = Object.keys(availableSiteSeasons);
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const siteSelect = document.getElementById("siteSelect");
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siteSelect.innerHTML = "";
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(availableSites.length ? availableSites.sort() : ["innsbruck"]).forEach(sn => {
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const opt = document.createElement("option");
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opt.value = sn;
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opt.textContent = sn;
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siteSelect.appendChild(opt);
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if (!availableSiteSeasons[sn]) availableSiteSeasons[sn] = ["2024"];
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});
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const urlSite = urlParams.get("site");
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const urlSeason = urlParams.get("season");
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const initialSite = (urlSite && availableSiteSeasons[urlSite]) ? urlSite : (availableSites[0] || "innsbruck");
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const initialSeason = (urlSeason && (availableSiteSeasons[initialSite] || []).includes(urlSeason)) ? urlSeason : ((availableSiteSeasons[initialSite] || [])[0] || "2024");
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siteSelect.value = initialSite;
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document.getElementById("seasonSelect").innerHTML = (availableSiteSeasons[initialSite] || []).map(s =>
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`<option value="${s}">${s}</option>`
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).join("");
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document.getElementById("seasonSelect").value = initialSeason;
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strategy = urlParams.get("strategy") || "aggressive";
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source = urlParams.get("source") || "s2";
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fusionMode = urlParams.get("mode") === "itb" ? "itb" : "bti";
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document.getElementById("strategySelect").value = strategy;
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document.getElementById("sourceSelect").value = source;
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document.getElementById("fusionModeSelect").value = fusionMode;
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const ml = document.getElementById("mapLabel");
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if (ml) ml.textContent = fusionMode === "itb" ? "Prepared GCC grayscale / S3 (closest available)" : "Prepared RGB (closest available)";
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const initSite = getSiteBySitename(initialSite);
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if (initSite?.geometry?.coordinates) {
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const [lon, lat] = initSite.geometry.coordinates;
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sitePosition = [lat, lon];
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}
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preparedMap = L.map("preparedMap", { zoomControl: false }).setView(sitePosition, 12)
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.addLayer(L.tileLayer(osmUrl, { attribution: "OpenStreetMap", opacity: 0.4 }));
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marker = L.marker(sitePosition, { icon: L.divIcon({ className: "site-marker", html: "<div style='width:8px;height:8px;background:red;border:2px solid white;border-radius:50%;box-shadow:0 0 2px rgba(0,0,0,0.5);'></div>", iconSize: [8, 8] }) }).addTo(preparedMap);
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siteSelect.addEventListener("change", function() {
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const sn = this.value;
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const seas = availableSiteSeasons[sn] || [];
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document.getElementById("seasonSelect").innerHTML = seas.map(s => `<option value="${s}">${s}</option>`).join("");
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document.getElementById("seasonSelect").value = seas[0] || "2024";
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setSiteSeason(sn, document.getElementById("seasonSelect").value);
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});
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document.getElementById("seasonSelect").addEventListener("change", function() {
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setSiteSeason(siteSelect.value, this.value);
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});
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document.getElementById("strategySelect").addEventListener("change", function() {
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strategy = this.value;
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urlParams.set("strategy", strategy);
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history.replaceState({}, "", `?${urlParams}`);
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loadTimeseries(); updateMap();
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});
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document.getElementById("sourceSelect").addEventListener("change", function() {
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source = this.value;
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urlParams.set("source", source);
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history.replaceState({}, "", `?${urlParams}`);
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loadTimeseries(); updateMap();
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});
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document.getElementById("fusionModeSelect").addEventListener("change", function() {
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fusionMode = this.value;
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urlParams.set("mode", fusionMode);
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history.replaceState({}, "", `?${urlParams}`);
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const ml = document.getElementById("mapLabel");
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if (ml) ml.textContent = fusionMode === "itb" ? "Prepared GCC grayscale / S3 (closest available)" : "Prepared RGB (closest available)";
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loadTimeseries(); updateMap();
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});
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await setSiteSeason(initialSite, initialSeason);
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}
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document.getElementById("dateSlider").addEventListener("input", function() {
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document.getElementById("dateDisplay").textContent = dateFromDays(parseInt(this.value));
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drawPlots(); updateMap();
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});
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init();
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</script>
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</body>
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</html>
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