124 lines
4.8 KiB
HTML
124 lines
4.8 KiB
HTML
<!doctype html>
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<html lang="zh-CN">
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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" />
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<title>CM95 派生等深线独立 PBF 测试</title>
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<link rel="stylesheet" href="https://unpkg.com/maplibre-gl@4.7.1/dist/maplibre-gl.css" />
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<style>
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html,body,#map{margin:0;width:100%;height:100%;overflow:hidden}
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body{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
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.panel{position:absolute;z-index:10;top:10px;left:10px;max-width:370px;padding:10px 12px;
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background:rgba(20,22,26,.92);color:#eef1f5;border:1px solid #555;border-radius:8px;
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font-size:12px;line-height:1.45;box-shadow:0 3px 12px rgba(0,0,0,.35)}
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.panel h1{font-size:14px;margin:0 0 7px}.panel label{display:flex;gap:7px;align-items:center;margin:6px 0}
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.note{color:#b8c1cd}.stats{margin-top:8px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
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white-space:pre-wrap;color:#d7dde6}.legend{display:flex;gap:8px;flex-wrap:wrap;margin-top:7px}
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.legend span{padding:2px 5px;border:1px solid #666;border-radius:4px}
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</style>
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</head>
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<body>
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<div id="map"></div>
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<div class="panel">
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<h1>独立 bathymetry PBF</h1>
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<label><input id="toggle" type="checkbox" checked />显示派生等深线</label>
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<label>透明度 <input id="opacity" type="range" min="0.15" max="1" step="0.05" value="0.8" /></label>
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<div class="note">单独 vector source：<code>bathymetry</code>；source-layer：<code>bathymetry_contour</code>。</div>
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<div class="note">底图仅用 GSI raster 便于检查，不依赖现有 CM95 大 build。</div>
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<div class="note">等深线由 SOUNDG 测深点经 TIN 插值、水域裁剪生成，仅作低可靠性参考。</div>
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<div class="legend"><span>2m</span><span>5m</span><span>10m</span><span>20m</span><span>30m</span><span>50m</span></div>
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<div id="stats" class="stats">加载 build manifest…</div>
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</div>
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<script src="https://unpkg.com/maplibre-gl@4.7.1/dist/maplibre-gl.js"></script>
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<script>
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const SOURCE_ID="bathymetry";
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const LAYER_ID="bathymetry-contours";
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const LABEL_ID="bathymetry-labels";
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const START={center:[130.05,33.45],zoom:9.4,bearing:0,pitch:0};
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const style={
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version:8,
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sources:{
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gsi:{
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type:"raster",
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tiles:["https://cyberjapandata.gsi.go.jp/xyz/std/{z}/{x}/{y}.png"],
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tileSize:256,
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maxzoom:18
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},
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bathymetry:{
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type:"vector",
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minzoom:8,
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maxzoom:12,
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tiles:[location.origin+"/bathymetry/{z}/{x}/{y}.pbf"]
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}
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},
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layers:[
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{id:"background",type:"background",paint:{"background-color":"#f4f4f1"}},
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{id:"gsi",type:"raster",source:"gsi",paint:{"raster-opacity":0.82}},
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{
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id:LAYER_ID,type:"line",source:SOURCE_ID,"source-layer":"bathymetry_contour",
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paint:{
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"line-color":[
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"match",["to-number",["get","depth_m"]],
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2,"#425f88",5,"#4e6f99",10,"#5b7dab",
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20,"#6c8db4",30,"#7b9cc0",50,"#8ba9c8","#6f8da8"
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],
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"line-width":["case",[">=",["to-number",["get","depth_m"]],20],1.35,1.0],
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"line-opacity":0.8
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}
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},
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{
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id:LABEL_ID,type:"symbol",source:SOURCE_ID,"source-layer":"bathymetry_contour",minzoom:10,
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layout:{
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"symbol-placement":"line","symbol-spacing":260,
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"text-field":["concat",["to-string",["get","depth_m"]]," m"],
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"text-size":10,"text-allow-overlap":false
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},
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paint:{
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"text-color":"#40566d",
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"text-halo-color":"rgba(255,255,255,.88)",
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"text-halo-width":1
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}
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}
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]
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};
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const map=new maplibregl.Map({
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container:"map",style,center:START.center,zoom:START.zoom,bearing:0,pitch:0,
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attributionControl:false
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});
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map.addControl(new maplibregl.NavigationControl(),"top-right");
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function setVisible(visible){
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const value=visible?"visible":"none";
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if(map.getLayer(LAYER_ID))map.setLayoutProperty(LAYER_ID,"visibility",value);
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if(map.getLayer(LABEL_ID))map.setLayoutProperty(LABEL_ID,"visibility",value);
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}
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document.getElementById("toggle").addEventListener("change",function(e){
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setVisible(e.target.checked);
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});
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document.getElementById("opacity").addEventListener("input",function(e){
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if(map.getLayer(LAYER_ID))map.setPaintProperty(LAYER_ID,"line-opacity",Number(e.target.value));
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});
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fetch("/bathymetry-manifest.json",{cache:"no-store"})
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.then(r=>r.json())
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.then(m=>{
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const t=m.tile_stats||{},s=m.sounding_stats||{};
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document.getElementById("stats").textContent=[
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"build="+m.build_id,
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"bbox="+JSON.stringify(m.bbox_wgs84),
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"soundings="+(s.unique_sounding_points??"?"),
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"levels="+(m.contour_levels_m||[]).join(",")+" m",
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"tiles="+(t.pbf_tiles??"?"),
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"features="+(t.tile_feature_instances??"?"),
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"encoder_drop="+(t.encoder_dropped_features??"?"),
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"bytes="+(t.pbf_bytes??"?")
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].join("\n");
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})
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.catch(err=>{
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document.getElementById("stats").textContent="manifest load failed: "+String(err);
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});
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</script>
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</body>
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</html>
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