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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8"/>
<title>Wound Annotator v17</title>
<script src="qrc:///qtwebchannel/qwebchannel.js"></script>
<!-- Three.js (interactive 3D patch) loaded from the local libs/ folder via the page base-URL -->
<script src="three.min.js"></script>
<script src="OrbitControls.js"></script>
<style>
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
/* exact mockup palette */
--bg:#111111;
--s1:#1a1a1a;
--s2:#222222;
--s3:#2c2c2c;
--b1:#333333;
--b2:#444444;
--b3:#555555;
--t1:#eeeeee;
--t2:#888888;
--t3:#555555;
--teal:#1D9E75;--teal-dark:#17886a;
--teal-light:#E1F5EE;--teal-text:#085041;--teal-border:#5DCAA5;
--green:#4ade80;
--red:#f87171;--amber:#fbbf24;--blue:#60a5fa;
--danger:#f87171;--danger-bg:#1e1010;--danger-border:#4a1515;
--rad:8px;
}
html,body{
width:100vw;height:100vh;overflow:hidden;
background:var(--bg);color:var(--t1);
font-family:-apple-system,'Segoe UI',system-ui,sans-serif;
font-size:14px;line-height:1.4;
-webkit-font-smoothing:antialiased;
}
#app{display:flex;flex-direction:column;width:100vw;height:100vh;overflow:hidden}
/* ── titlebar ── */
#tb{
height:48px;flex-shrink:0;
display:flex;align-items:center;justify-content:space-between;
padding:0 16px;
background:var(--s1);border-bottom:1px solid var(--b1);
}
.tb-l{display:flex;align-items:center;gap:10px}
.logo{
width:30px;height:30px;background:var(--teal);border-radius:8px;
display:flex;align-items:center;justify-content:center;flex-shrink:0;
overflow:hidden;margin-right:11px; /* logo -> "Wound Annotator" */
}
.logo img{width:22px;height:22px;object-fit:contain}
.logo-default{font-size:16px;color:#fff;line-height:1}
.app-name{font-size:15px;font-weight:600;color:var(--t1);letter-spacing:-0.2px}
.tb-r{display:flex;align-items:center;gap:10px}
.tb-r>*+*{margin-left:10px} /* space between top buttons / status pill (gap ignored) */
.tbbtn{
display:flex;align-items:center;gap:6px;
padding:6px 14px;border:1px solid var(--b2);border-radius:var(--rad);
font-size:13px;color:var(--t2);cursor:pointer;background:transparent;
font-family:inherit;transition:all .1s;
}
.tbbtn:hover{background:var(--s2);color:var(--t1)}
.tbbtn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-right:7px}
.stpill{
display:flex;align-items:center;gap:6px;
padding:5px 11px;border:1px solid var(--b1);border-radius:99px;
font-size:12.5px;color:var(--t2);
}
.sd{width:7px;height:7px;border-radius:50%;background:var(--t3);transition:background .3s;margin-right:7px}
.sd.ok{background:var(--teal)}
.sd.err{background:var(--red)}
.sd.busy{background:var(--amber);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
/* ── tabbar ── */
#tabbar{
height:40px;flex-shrink:0;
display:flex;align-items:stretch;padding:0 14px;gap:4px;
background:var(--s1);border-bottom:1px solid var(--b1);
}
.tab{
display:flex;align-items:center;gap:8px;padding:0 14px;
cursor:pointer;font-size:13px;font-weight:500;color:var(--t3);
border-bottom:2px solid transparent;white-space:nowrap;user-select:none;
transition:color .1s;
}
.tab:hover{color:var(--t2)}
.tab.active{color:var(--teal-border);border-bottom-color:var(--teal)}
.tab.done{color:var(--t2)}
.tab.locked{opacity:.35;pointer-events:none}
.tn{
width:17px;height:17px;border-radius:50%;
display:flex;align-items:center;justify-content:center;
font-size:10.5px;font-weight:600;flex-shrink:0;
background:var(--s3);border:1px solid var(--b2);color:var(--t3);
transition:all .1s;
margin-right:9px; /* space number -> label (flex `gap` is ignored here) */
}
.tab.active .tn{background:var(--teal);border-color:var(--teal);color:#fff}
.tab.done .tn{background:var(--teal-light);border-color:var(--teal-border);color:var(--teal-text)}
/* ── body ── */
#body{flex:1;min-height:0;display:flex;overflow:hidden}
/* ── canvas zone ── */
#czone{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}
#ctoolbar{
height:36px;flex-shrink:0;
display:none;align-items:center;gap:5px;padding:0 10px;
background:var(--s2);border-bottom:0.5px solid var(--b1);
}
.ct{
width:26px;height:26px;border-radius:var(--rad);
display:flex;align-items:center;justify-content:center;
font-size:14px;cursor:pointer;color:var(--t2);
border:0.5px solid transparent;transition:all .1s;
}
.ct:hover{background:var(--s1);color:var(--t1)}
.ct.on{background:var(--s1);border-color:var(--b2);color:var(--t1)}
.ctsep{width:0.5px;height:16px;background:var(--b1);margin:0 2px;flex-shrink:0}
.cthint{font-size:12px;color:var(--t3);margin-left:4px;flex:1}
#cwrap{
flex:1;min-height:0;
background:var(--bg);
display:flex;align-items:center;justify-content:center;
overflow:hidden;position:relative;
}
/* The photo lives in a CSS-transformed <img> layer (scaled by the GPU
compositor, never re-blitted on the 2D canvas), with the canvas on top for
crisp vector overlays only. This keeps zoom/pan/drag smooth on any machine,
regardless of whether canvas rasterization is hardware-accelerated. */
#cwrap #baseimg,#cwrap #ovimg{
position:absolute;top:0;left:0;transform-origin:0 0;
pointer-events:none;will-change:transform;max-width:none;max-height:none;
image-rendering:auto;user-select:none;
}
#cwrap canvas{position:absolute;top:0;left:0;display:block;width:100%;height:100%}
.covl{
position:absolute;top:10px;left:10px;pointer-events:none;
background:#0f0f0fcc;border:0.5px solid var(--b2);border-radius:6px;
padding:6px 10px;font-size:12px;color:var(--t2);line-height:1.7;
}
.czoom{
position:absolute;bottom:8px;right:8px;pointer-events:none;
background:#0f0f0faa;border:0.5px solid var(--b1);border-radius:4px;
padding:3px 8px;font-size:11px;color:var(--t3);
}
/* ── page 0: drop zone ── */
#p0wrap{
flex:1;min-height:0;
display:none;align-items:center;justify-content:center;
padding:40px;
}
#p0wrap > div{display:flex;flex-direction:column;align-items:center;gap:24px}
#p0wrap > div > *+*{margin-top:24px} /* vertical spacing (column `gap` ignored): boxes / file tag / stats */
.dz-row{display:flex;justify-content:center}
.dz{
width:220px;height:140px;
margin:0 16px; /* margin works even where flex `gap` is unsupported */
border:1px dashed var(--b2);border-radius:10px;
display:flex;flex-direction:column;align-items:center;justify-content:center;
gap:10px;cursor:pointer;color:var(--t3);transition:all .14s;
}
.dz:hover{border-color:var(--t2);background:var(--s2);color:var(--t1)}
.dz.dzover{border-color:var(--teal);border-style:solid;background:var(--s2);color:var(--t1)}
.dz.dzover svg{opacity:1}
.dz svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;opacity:.6;margin-bottom:8px}
.dz-lbl{margin-bottom:5px}
.dz:hover svg{opacity:1}
.dz-lbl{font-size:13.5px;font-weight:500;text-align:center;line-height:1.45;color:var(--t2)}
.dz:hover .dz-lbl{color:var(--t1)}
.dz-sub{font-size:11.5px;color:var(--t3)}
.ftag{
display:inline-flex;align-items:center;gap:6px;
background:#1D9E7518;border:1px solid #1D9E7540;
color:var(--green);padding:5px 14px;border-radius:99px;
font-size:13px;font-weight:500;
}
.statgrid{display:grid;grid-template-columns:1fr 1fr;gap:24px;grid-gap:24px;width:340px}
/* Robust fallback: margins create the horizontal/vertical space even where the
CSS grid `gap` is ignored by the embedded Chromium. */
.statgrid .scard:nth-child(1){margin-right:12px}
.statgrid .scard:nth-child(2){margin-left:12px}
.statgrid .scard:nth-child(3){margin-top:14px}
.scard{background:var(--s2);border:1px solid var(--b1);border-radius:var(--rad);padding:10px 12px}
.sc-l{font-size:11px;color:var(--t3);margin-bottom:4px;text-transform:uppercase;letter-spacing:.4px}
.sc-v{font-size:20px;font-weight:500;line-height:1}
.sc-s{font-size:11px;color:var(--t2);margin-top:2px}
/* ── page 5: 3D views ── */
#p5wrap{
flex:1;min-height:0;
display:none;
padding:12px;gap:10px;
}
.vcard{
border:0.5px solid var(--b1);border-radius:9px;
overflow:hidden;display:flex;flex-direction:column;flex:1;
}
.vlbl{
font-size:11px;font-weight:500;letter-spacing:.4px;text-transform:uppercase;
padding:6px 10px;border-bottom:0.5px solid var(--b1);flex-shrink:0;
}
.vlbl.g{color:var(--teal-border)}.vlbl.r{color:var(--red)}
.vimg{
flex:1;background:var(--bg);
display:flex;align-items:center;justify-content:center;
min-height:0;position:relative;
}
.vwait{font-size:12px;color:var(--t3)}
.v3d{display:block;width:100%;height:100%;cursor:grab}
.v3d:active{cursor:grabbing}
.v3dhint{
position:absolute;bottom:7px;left:50%;transform:translateX(-50%);
font-size:10px;color:var(--t3);background:#0f0f0faa;border:0.5px solid var(--b1);
border-radius:4px;padding:2px 8px;pointer-events:none;letter-spacing:.3px;text-transform:uppercase;
}
/* ── right panel ── */
#rp{
width:240px;flex-shrink:0;
border-left:0.5px solid var(--b1);
display:flex;flex-direction:column;
background:var(--s1);overflow:hidden;
}
.rp-hd{
padding:12px 14px 10px;border-bottom:0.5px solid var(--b1);flex-shrink:0;
}
.rp-title{font-size:14px;font-weight:500;color:var(--t1)}
.rp-sub{font-size:12px;color:var(--t3);margin-top:2px}
/* scrollable content */
.rp-scroll{
flex:1;min-height:0;
overflow-y:auto;
padding:10px 13px;
display:flex;flex-direction:column;gap:2px;
}
.rp-scroll::-webkit-scrollbar{width:4px}
.rp-scroll::-webkit-scrollbar-track{background:transparent}
.rp-scroll::-webkit-scrollbar-thumb{background:var(--b2);border-radius:2px}
.rp-scroll::-webkit-scrollbar-thumb:hover{background:var(--b3)}
/* pinned footer */
.rp-foot{
flex-shrink:0;padding:10px 13px;
border-top:0.5px solid var(--b1);
display:flex;flex-direction:column;gap:5px;
}
.rp-foot>*+*{margin-top:7px} /* vertical spacing (gap ignored) */
.rp-nav{display:flex;gap:5px}
.rp-nav>*+*{margin-left:10px} /* space Back <-> Next/Confirm (gap ignored) */
.btn-confirm{
flex:1;padding:8px;
background:var(--teal);color:#fff;border:none;border-radius:var(--rad);
font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;
display:flex;align-items:center;justify-content:center;gap:5px;
transition:background .1s;
}
.btn-confirm:hover{background:var(--teal-dark)}
.btn-confirm:disabled{background:var(--s2);color:var(--t3);cursor:default;border:0.5px solid var(--b1)}
.btn-back{
padding:8px 12px;background:transparent;color:var(--t2);
border:0.5px solid var(--b2);border-radius:var(--rad);
font-size:13px;cursor:pointer;font-family:inherit;
display:flex;align-items:center;justify-content:center;gap:4px;
transition:all .1s;white-space:nowrap;
}
.btn-back:hover{background:var(--s2);color:var(--t1)}
.btn-back:disabled{opacity:.3;pointer-events:none}
.btn-outline{
width:100%;padding:7px;background:transparent;color:var(--t2);
border:0.5px solid var(--b2);border-radius:var(--rad);
font-size:12px;cursor:pointer;font-family:inherit;
display:flex;align-items:center;justify-content:center;gap:5px;
transition:all .1s;
}
.btn-outline:hover{background:var(--s2);color:var(--t1)}
.btn-danger{
width:100%;padding:7px;background:transparent;color:var(--danger);
border:0.5px solid var(--danger-border);border-radius:var(--rad);
font-size:12px;cursor:pointer;font-family:inherit;
display:flex;align-items:center;justify-content:center;gap:5px;
transition:all .1s;
}
.btn-danger:hover{background:var(--danger-bg)}
/* right panel content helpers */
.sec-lbl{
font-size:10px;font-weight:500;letter-spacing:.7px;text-transform:uppercase;
color:var(--t3);padding:7px 0 3px;
}
.sec-lbl:first-child{padding-top:3px}
.seg-status{
display:inline-flex;align-items:center;gap:5px;
padding:4px 10px;border-radius:99px;font-size:12.5px;font-weight:500;
background:var(--s2);border:0.5px solid var(--b2);color:var(--t2);
margin-bottom:4px;
}
.mitem{
display:flex;align-items:center;justify-content:space-between;
padding:7px 9px;border:0.5px solid var(--b1);border-radius:var(--rad);
cursor:pointer;margin-bottom:4px;transition:all .1s;
}
.mitem:hover{background:var(--s2);border-color:var(--b2)}
.mitem.sel{background:var(--teal-light);border-color:var(--teal-border)}
.mitem-name{font-size:12.5px;font-weight:500;color:var(--t1)}
.mitem.sel .mitem-name{color:var(--teal-text)}
.mbadge{font-size:11px;padding:2px 7px;border-radius:99px;font-weight:500}
.mbest{background:var(--teal-light);color:var(--teal-text)}
.mna{background:var(--s2);color:var(--t3)}
.mg{
display:flex;align-items:center;gap:7px;
font-size:10px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;
padding:12px 4px 5px;
}
.mg::before{content:"";width:13px;height:2px;border-radius:2px;background:currentColor;flex-shrink:0}
.mg:first-child{padding-top:4px}
.mrow{
display:flex;justify-content:space-between;align-items:center;
padding:5px 8px;border-radius:var(--rad);
cursor:pointer;font-size:12.5px;transition:background .1s;
}
.mrow:hover{background:var(--s2)}
.mrow.active{background:var(--s2);box-shadow:inset 2px 0 0 var(--gc,var(--b3))}
.ml{color:var(--t2);flex:1;min-width:0}
.mv{font-weight:500;color:var(--t1);text-align:right;min-width:58px;font-variant-numeric:tabular-nums;letter-spacing:.2px}
.mdiv{height:0.5px;background:var(--b1);margin:4px 8px}
.slrow{display:flex;align-items:center;gap:8px;padding:4px 0}
.sl-l{font-size:12.5px;color:var(--t2);min-width:60px}
.sl-v{font-size:12.5px;font-weight:500;min-width:54px;text-align:right;color:var(--t1);flex-shrink:0;white-space:nowrap}
input[type=range]{
-webkit-appearance:none;flex:1;min-width:0;height:3px; /* min-width:0 -> shrinks so the value never gets clipped */
background:var(--b2);border-radius:2px;outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
-webkit-appearance:none;width:12px;height:12px;
border-radius:50%;background:var(--t1);cursor:pointer;
}
select{
flex:1;background:var(--s2);color:var(--t1);
border:0.5px solid var(--b2);border-radius:var(--rad);
padding:5px 8px;font-size:12.5px;outline:none;
cursor:pointer;font-family:inherit;
}
.pi-row{
display:flex;justify-content:space-between;padding:5px 8px;
border-bottom:0.5px solid var(--b1);font-size:12.5px;
}
.pi-row:last-child{border-bottom:none}
.pi-l{color:var(--t2)}
.pi-row span:last-child{font-variant-numeric:tabular-nums}
/* compact the 3D-patch panel so it all fits, rigidly, with no scrollbar */
#rp5 .rp-scroll{overflow:hidden}
#rp5 .sec-lbl{padding:6px 0 2px}
#rp5 .slrow{padding:2px 0}
#rp5 .pi-row{padding:3px 8px}
/* toast */
#toast{
position:fixed;bottom:16px;left:50%;transform:translateX(-50%) translateY(6px);
background:var(--s2);border:0.5px solid var(--b2);border-radius:var(--rad);
padding:8px 16px;font-size:13px;color:var(--t1);
opacity:0;transition:all .18s;pointer-events:none;white-space:nowrap;z-index:9999;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
/* loading */
#loading{
position:fixed;inset:0;background:#111111; /* fully opaque -> occludes any compositor artefacts behind */
display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
z-index:9998;opacity:0;pointer-events:none; /* instant show/hide: no fade that lets the page peek through */
}
#loading.show{opacity:1;pointer-events:all}
.spinner{width:26px;height:26px;border:2px solid var(--b2);border-top-color:var(--t1);border-radius:50%;animation:spin .65s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* ── modern minimal model-loading overlay (lazy SAM) ── */
#samld{
position:fixed;inset:0;z-index:9997;
display:flex;align-items:center;justify-content:center;
background:#0c0c0c; /* fully opaque -> covers CPU-load compositor checkerboarding */
opacity:0;pointer-events:none; /* instant show/hide (no fade peek during heavy SAM load) */
}
#samld.show{opacity:1;pointer-events:all}
.samld-card{
width:300px;display:flex;flex-direction:column;align-items:center;
padding:28px 30px 24px;
}
.samld-title{font-size:13px;font-weight:500;color:var(--t2);letter-spacing:.2px;margin-bottom:18px}
.samld-pct{display:flex;align-items:flex-start;color:var(--t1);line-height:1;margin-bottom:20px}
.samld-pct #samldPct{font-size:52px;font-weight:300;letter-spacing:-1.5px;font-variant-numeric:tabular-nums}
.samld-pctsym{font-size:20px;font-weight:300;color:var(--t2);margin-top:5px;margin-left:3px}
.samld-track{width:100%;height:3px;border-radius:99px;background:var(--s3);overflow:hidden}
/* fill animates via transform: scaleX (GPU-composited) — never via width (layout). */
.samld-fill{
height:100%;width:100%;border-radius:99px;
transform:scaleX(0);transform-origin:left center;will-change:transform;
background:linear-gradient(90deg,var(--teal-dark),var(--teal));
}
.samld-stage{font-size:12px;color:var(--t3);margin-top:14px;min-height:16px;letter-spacing:.2px}
</style>
</head>
<body>
<div id="app">
<!-- titlebar -->
<div id="tb">
<div class="tb-l">
<div class="logo" id="applogo"><span class="logo-default">⬡</span></div>
<div class="app-name">Wound Annotator</div>
</div>
<div class="tb-r">
<button class="tbbtn" onclick="doBrowse()">
<svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M22 19a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h5l2 3h9a2 2 0 0 1 2 2z"/></svg>
Open image
</button>
<button class="tbbtn" onclick="saveRes()">
<svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M19 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11l5 5v11a2 2 0 0 1-2 2z"/><polyline points="17 21 17 13 7 13 7 21"/><polyline points="7 3 7 8 15 8"/></svg>
Save results
</button>
<button class="tbbtn" onclick="saveGT()">
<svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2"/><path d="M3 14l4-4 5 5 3-3 6 6"/></svg>
Save GT mask
</button>
<div class="stpill"><div class="sd" id="sd"></div><span id="st">Waiting…</span></div>
</div>
</div>
<!-- tabbar -->
<div id="tabbar">
<div class="tab active" id="tab0" onclick="go(0)"><div class="tn" id="tn0">1</div><span>Image</span></div>
<div class="tab locked" id="tab1" onclick="go(1)"><div class="tn" id="tn1">2</div><span>Calibration</span></div>
<div class="tab locked" id="tab2" onclick="go(2)"><div class="tn" id="tn2">3</div><span>Manual seg</span></div>
<div class="tab locked" id="tab3" onclick="go(3)"><div class="tn" id="tn3">4</div><span>Auto seg</span></div>
<div class="tab locked" id="tab4" onclick="go(4)"><div class="tn" id="tn4">5</div><span>Metrics</span></div>
<div class="tab locked" id="tab5" onclick="go(5)"><div class="tn" id="tn5">6</div><span>3D patch</span></div>
</div>
<!-- body -->
<div id="body">
<!-- canvas zone -->
<div id="czone">
<!-- toolbar -->
<div id="ctoolbar">
<div class="ct on" id="ct-cur" title="Point prompt">✛</div>
<div class="ct" title="Box prompt">▭</div>
<div class="ctsep"></div>
<div class="ct" title="Zoom in" onclick="zoomStep(1.18)">＋</div>
<div class="ct" title="Zoom out" onclick="zoomStep(0.85)">－</div>
<div class="ct" title="Fit" onclick="resetView()">➦</div>
<div class="ctsep"></div>
<div class="ct" id="ct-undo" title="Undo (Ctrl+Z)" onclick="sUndo()" style="display:none">↩</div>
<div class="ct" id="ct-redo" title="Redo (Ctrl+Y)" onclick="sRedo()" style="display:none">↪</div>
<div class="ct" id="ct-reset" title="Reset contour" onclick="sReset()" style="display:none;color:var(--red)">⊘</div>
<span class="cthint" id="cthint"></span>
</div>
<!-- page 0: drop zone -->
<div id="p0wrap">
<div style="display:flex;flex-direction:column;align-items:center;gap:24px">
<div class="dz-row">
<div class="dz" id="dzd"
ondragover="event.preventDefault();event.dataTransfer.dropEffect='copy';this.classList.add('dzover')"
ondragleave="this.classList.remove('dzover')"
ondrop="this.classList.remove('dzover');onDrop(event)">
<svg viewBox="0 0 24 24"><polyline points="16 16 12 12 8 16"/><line x1="12" y1="12" x2="12" y2="21"/><path d="M20.39 18.39A5 5 0 0 0 18 9h-1.26A8 8 0 1 0 3 16.3"/></svg>
<div class="dz-lbl">Drag & drop<br>image here</div>
<div class="dz-sub">JPG · PNG · BMP · TIFF</div>
</div>
<div class="dz" onclick="doBrowse()">
<svg viewBox="0 0 24 24"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
<div class="dz-lbl">Browse<br>image file…</div>
<div class="dz-sub">or click here</div>
</div>
</div>
<div id="ftag" style="display:none">
<div class="ftag">✓ <span id="fname">—</span></div>
</div>
<div id="imgstats" style="display:none">
<div class="statgrid">
<div class="scard"><div class="sc-l">Width</div><div class="sc-v" id="iw">—</div><div class="sc-s">pixels</div></div>
<div class="scard"><div class="sc-l">Height</div><div class="sc-v" id="ih">—</div><div class="sc-s">pixels</div></div>
<div class="scard" style="grid-column:1/-1">
<div class="sc-l">SAM model</div>
<div class="sc-v" id="samst" style="font-size:14px">Loading…</div>
<div class="sc-s">ViT-B checkpoint</div>
</div>
</div>
</div>
</div>
</div>
<!-- pages 1-4: shared canvas -->
<div id="canvaswrap" style="display:none;flex:1;min-height:0;flex-direction:column">
<div id="cwrap" style="flex:1;min-height:0;background:var(--bg);position:relative;overflow:hidden">
<img id="baseimg" alt=""/>
<img id="ovimg" alt="" style="display:none"/>
<canvas id="mc"></canvas>
<div class="covl" id="covl" style="display:none"></div>
<div class="czoom">Ctrl+scroll · Middle-drag pan · Dbl-click fit</div>
</div>
</div>
<!-- page 5: 3D views -->
<div id="p5wrap">
<div class="vcard">
<div class="vlbl g">Manual (GT)</div>
<div class="vimg"><div class="vwait" id="w3g">Waiting for segmentation…</div><canvas id="cv3g" class="v3d" style="display:none"></canvas><div class="v3dhint" id="h3g" style="display:none">drag rotate · scroll zoom</div></div>
</div>
<div class="vcard">
<div class="vlbl r">Auto (SAM)</div>
<div class="vimg"><div class="vwait" id="w3a">Waiting for segmentation…</div><canvas id="cv3a" class="v3d" style="display:none"></canvas><div class="v3dhint" id="h3a" style="display:none">drag rotate · scroll zoom</div></div>
</div>
</div>
</div><!-- /czone -->
<!-- right panel -->
<div id="rp">
<!-- panel 0 -->
<div id="rp0" style="display:none;flex-direction:column;flex:1;overflow:hidden">
<div class="rp-hd"><div class="rp-title">Getting started</div><div class="rp-sub">Load a wound image to begin</div></div>
<div class="rp-scroll">
<div class="sec-lbl">Workflow</div>
<div style="font-size:12.5px;color:var(--t2);line-height:2">1 Load image<br>2 Calibrate scale<br>3 Draw manual GT<br>4 Run auto segmentation<br>5 Compare metrics<br>6 Generate 3D patch</div>
<div class="sec-lbl">Supported methods</div>
<div style="font-size:12px;color:var(--t3);line-height:1.9">SAM (ViT-B / ViT-H)<br>SAM2 · MedSAM<br>GrabCut · Watershed<br>U-Net (fine-tuned)</div>
</div>
<div class="rp-foot">
<div class="rp-nav">
<button class="btn-back" disabled>← Back</button>
<button class="btn-confirm" id="btn0" onclick="go(1)" disabled>Next →</button>
</div>
</div>
</div>
<!-- panel 1 -->
<div id="rp1" style="display:none;flex-direction:column;flex:1;overflow:hidden">
<div class="rp-hd"><div class="rp-title">Scale calibration</div><div class="rp-sub">Click 2 points on a known distance</div></div>
<div class="rp-scroll">
<div class="sec-lbl">Reference length</div>
<div style="display:flex;gap:7px;align-items:center">
<input type="number" id="calLen" placeholder="e.g. 50.0" step="0.1"
style="flex:1;background:var(--s2);color:var(--t1);border:1px solid var(--b2);border-radius:var(--rad);padding:7px 9px;font-size:13px;outline:none;font-family:inherit"/>
<span style="font-size:13px;color:var(--t2)">mm</span>
</div>
<button class="btn-outline" style="margin-top:4px" onclick="setScale()">✓ Set scale</button>
<div id="calok" style="display:none;align-items:center;gap:5px;color:var(--teal-border);font-size:13px;font-weight:500;padding:4px 0">
✓ <span id="calval">—</span>
</div>
<div class="sec-lbl">Tip</div>
<div style="font-size:12px;color:var(--t3);line-height:1.6">Use a ruler, coin, or marker of known size as reference.</div>
<button class="btn-outline" style="margin-top:6px" onclick="skipScale()">Skip (use pixels)</button>
</div>
<div class="rp-foot">
<div class="rp-nav">
<button class="btn-back" onclick="go(0)">← Back</button>
<button class="btn-confirm" onclick="confirmCal()">Confirm →</button>
</div>
</div>
</div>
<!-- panel 2 -->
<div id="rp2" style="display:none;flex-direction:column;flex:1;overflow:hidden">
<div class="rp-hd"><div class="rp-title">Manual segmentation</div><div class="rp-sub">Draw the wound boundary (GT)</div></div>
<div class="rp-scroll">
<div class="seg-status" id="segst">Click to add points</div>
<div class="sec-lbl">Controls</div>
<div style="font-size:12px;color:var(--t3);line-height:2.1">
<span style="color:var(--teal-border)">Left-click</span> — add point<br>
<span style="color:var(--amber)">Drag</span> — move point<br>
<span style="color:var(--red)">Right-click</span> — remove point<br>
Click <span style="color:var(--teal-border)">green ✛</span> / <span style="color:var(--teal-border)">Close shape</span> / <span style="color:var(--t3)">Enter</span> — close<br>
<span style="color:var(--t3)">Ctrl+Z / Y</span> — undo / redo
</div>
<button class="btn-confirm" id="closeBtn" style="flex:0 0 auto;width:100%;min-height:0;margin-top:10px" onclick="closeContour()" disabled>✓ Close shape</button>
<button class="btn-danger" style="margin-top:7px" onclick="sReset()">⊘ Reset contour</button>
<button class="btn-outline" style="margin-top:9px" title="High-contrast images (bright object on dark background): segment automatically with SAM, no manual tracing" onclick="autoPrompt()"><svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" style="vertical-align:-2px;margin-right:6px"><line x1="4" y1="20" x2="13" y2="11"/><path d="M16.5 3v4M14.5 5h4"/><path d="M14 9.5l1 1"/></svg>Auto-segment</button>
</div>
<div class="rp-foot">
<div class="rp-nav">
<button class="btn-back" onclick="go(1)">← Back</button>
<button class="btn-confirm" id="confBtn" onclick="runPipeline()" disabled>Confirm & run →</button>
</div>
</div>
</div>
<!-- panel 3 -->
<div id="rp3" style="display:none;flex-direction:column;flex:1;overflow:hidden">
<div class="rp-hd"><div class="rp-title">Segmentation method</div><div class="rp-sub">Select method to compare vs. GT</div></div>
<div class="rp-scroll">
<div class="sec-lbl">Available methods</div>
<div class="mitem sel" onclick="selMethod(this,'SAM (ViT-B)')"><span class="mitem-name">SAM (ViT-B)</span><span class="mbadge mbest">Active</span></div>
<div class="mitem" onclick="selMethod(this,'GrabCut')"><span class="mitem-name">GrabCut</span><span class="mbadge mna">Ready</span></div>
<div class="mitem" onclick="selMethod(this,'Watershed')"><span class="mitem-name">Watershed</span><span class="mbadge mna">Ready</span></div>
</div>
<div class="rp-foot">
<div class="rp-nav">
<button class="btn-back" onclick="go(2)">← Back</button>
<button class="btn-confirm" onclick="go(4)">Metrics →</button>
</div>
</div>
</div>
<!-- panel 4 -->
<div id="rp4" style="display:none;flex-direction:column;flex:1;overflow:hidden">
<div class="rp-hd"><div class="rp-title">Metrics</div><div class="rp-sub">Click a row to see its overlay</div></div>
<div class="rp-scroll" id="metPanel">
<!-- filled by JS after autoSegDone -->
</div>
<div class="rp-foot">
<button class="btn-outline" onclick="saveRes()" style="margin-bottom:2px">↓ Export JSON</button>
<div class="rp-nav">
<button class="btn-back" onclick="go(3)">← Back</button>
<button class="btn-confirm" onclick="go(5)">3D patch →</button>
</div>
</div>
</div>
<!-- panel 5 -->
<div id="rp5" style="display:none;flex-direction:column;flex:1;overflow:hidden">
<div class="rp-hd"><div class="rp-title">3D patch</div><div class="rp-sub">Adjust parameters and export STL</div></div>
<div class="rp-scroll">
<div class="sec-lbl">Parameters</div>
<div class="slrow">
<span class="sl-l">Thickness</span>
<input type="range" id="slT" min="1" max="250" value="30" step="1" oninput="onSlInput()">
<span class="sl-v" id="svT">3.0 mm</span>
</div>
<div class="slrow">
<span class="sl-l">Edge size</span>
<input type="range" id="slE" min="0" max="30" value="0" step="1" oninput="onSlInput()">
<span class="sl-v" id="svE">0.0 mm</span>
</div>
<div class="slrow" title="Perilesional offset — dilate the wound outward by a constant margin before building the patch">
<span class="sl-l">Offset</span>
<input type="range" id="slO" min="0" max="200" value="0" step="1" oninput="onSlInput()">
<span class="sl-v" id="svO">0.0 mm</span>
</div>
<div class="slrow" style="margin-top:4px">
<span class="sl-l">Edge mode</span>
<select id="selM" onchange="onSlInput()">
<option>Chamfer 45°</option>
<option>Fillet (arc)</option>
</select>
</div>
<div class="sec-lbl">GT patch</div>
<div class="pi-row"><span class="pi-l">Area</span><span id="gA">—</span></div>
<div class="pi-row"><span class="pi-l">Perimeter</span><span id="gP">—</span></div>
<div class="pi-row"><span class="pi-l">Volume</span><span id="gV">—</span></div>
<div class="sec-lbl">Auto patch</div>
<div class="pi-row"><span class="pi-l">Area</span><span id="aA">—</span></div>
<div class="pi-row"><span class="pi-l">Perimeter</span><span id="aP">—</span></div>
<div class="pi-row"><span class="pi-l">Volume</span><span id="aV">—</span></div>
</div>
<div class="rp-foot">
<button class="btn-confirm" onclick="exportSTL()" style="margin-bottom:2px">↓ Export STL</button>
<div class="rp-nav">
<button class="btn-back" onclick="go(4)">← Back</button>
<button class="btn-confirm" disabled>Done ✓</button>
</div>
</div>
</div>
</div><!-- /rp -->
</div><!-- /body -->
</div><!-- /app -->
<div id="perfhud" style="display:none;position:fixed;top:96px;right:252px;z-index:10000;background:#0f0f0fee;border:1px solid var(--b2);border-radius:6px;padding:8px 11px;font:11px/1.55 Consolas,'Courier New',monospace;color:var(--t1);white-space:pre;pointer-events:none"></div>
<div id="toast"></div>
<div id="loading"><div class="spinner"></div><div style="font-size:12.5px;color:var(--t3);margin-top:6px" id="ldT">Loading…</div></div>
<div id="samld">
<div class="samld-card">
<div class="samld-title">Loading segmentation model</div>
<div class="samld-pct"><span id="samldPct">0</span><span class="samld-pctsym">%</span></div>
<div class="samld-track"><div class="samld-fill" id="samldFill"></div></div>
<div class="samld-stage" id="samldStage">Preparing…</div>
</div>
</div>
<script>
// ── bridge ──────────────────────────────────────────────────────────────────
let B=null,Br=false,Bq=[];
function be(m,a,cb){Br&&B?_bc(m,a,cb):Bq.push({m,a,cb})}
function _bc(m,a,cb){if(!B[m]){console.error('no:',m);return}
a===undefined?B[m](cb||function(){}):B[m](a,cb||function(){})}
function _bfl(){while(Bq.length){const x=Bq.shift();_bc(x.m,x.a,x.cb)}}
function _bi(){
if(typeof qt==='undefined'||!qt.webChannelTransport){setTimeout(_bi,80);return}
new QWebChannel(qt.webChannelTransport,function(ch){
B=ch.objects.backend;Br=true;
try{
B.imageReady.connect(onIR);B.modelReady.connect(onMR);
B.statusUpdate.connect(onSU);B.error.connect(onER);
B.scaleSet.connect(onSS);B.autoSegDone.connect(onASD);
B.samProgress.connect(onSamProgress);
}catch(e){console.warn(e)}
setSt('Ready','ok');_bfl();
});
}
_bi();
// ── state ────────────────────────────────────────────────────────────────────
let curP=0,iUrl=null,iW=0,iH=0;
let calPts=[],view={z:1,tx:0,ty:0};
let segPts=[],segCl=false,segSpl=[],segDr=-1,justPlaced=false;
let autoUrl=null,metKey=null,metData={};
let metCnt={},metOvImg=null,autoEl=null; // cached contours / overlay-active flag / auto image
let metOvCache={}; // metric-key -> overlay PNG base64 (skip backend re-render)
let _prof=false,_ovMs=0; // perf HUD on? / last overlay backend round-trip (ms)
let _pst={n:0,sum:0,max:0,last:0},_fpsN=0,_fps=0,_fpsT0=0; // redraw timing + fps counters
const _RING=4000; let _ring=[],_ri=0; // ring buffer of redraw samples (always-on, cheap)
let _fr={last:0,on:false,end:0},_fring=[],_fri=0,_frKind=''; // real frame cadence (rAF deltas, incl. compositor)
let _ovLog={}; // metric-key -> backend overlay render ms (for the report)
let _ovReq=new Set(),_ovReqT={}; // overlay keys already requested / their request time
let samReady=false,_pendingRun=false,_pendingAutoPrompt=false; // run / auto-prompt after SAM load
let pxPerMm=null; // px/mm for the JS 3D mesh (null -> 1, i.e. px units)
let _samTarget=0,_samShown=0,_samRAF=0,_samCreepT=null; // loading-bar animator state
let curMethod='SAM (ViT-B)'; // currently selected auto-seg method
const AVAIL=['SAM (ViT-B)','GrabCut','Watershed']; // implemented methods
let iEl=null,splT=null,patchT=null;
let _pan=null; // {sx,sy,tx,ty} while middle-button panning
let _fast=false,_fastT=null; // low-quality scaling during interaction -> smoother
const SNAP=12;
// Custom line-style "hand" cursor (teal, same look as the app icons) for grabbing points.
// PNG (not SVG) so the embedded Chromium renders it reliably; falls back to grab.
const GRAB_CUR='url("data:image/png;base64,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") 12 10, grab';
// ── step config ──────────────────────────────────────────────────────────────
const SCFG=[
{rp:'rp0',toolbar:false,hint:'',canvas:'p0',st:'Load an image to begin'},
{rp:'rp1',toolbar:true, hint:'Click 2 points on a known-length reference \u00b7 Ctrl+scroll zoom',canvas:'canvas',st:'Scale calibration'},
{rp:'rp2',toolbar:true, hint:'Left-click add \u00b7 Drag move \u00b7 Right-click remove \u00b7 click \u271a to close',canvas:'canvas',st:'Drawing GT\u2026'},
{rp:'rp3',toolbar:false,hint:'',canvas:'canvas',st:'SAM done \u2713'},
{rp:'rp4',toolbar:true, hint:'Click any metric row to overlay it on the canvas',canvas:'canvas',st:'Metrics ready'},
{rp:'rp5',toolbar:false,hint:'',canvas:'p5',st:'Ready to export'},
];
// ── navigation ───────────────────────────────────────────────────────────────
function go(idx){
if(idx<0||idx>5)return;
if(idx>0&&!iUrl){toast('Load an image first');return}
curP=idx;
for(let i=0;i<6;i++){
const t=document.getElementById('tab'+i),n=document.getElementById('tn'+i);
t.className='tab';n.textContent=i+1;
if(i<idx){t.classList.add('done');n.innerHTML='<span style="font-size:10px">✓</span>'}
else if(i===idx){t.classList.add('active')}
else{t.classList.add('locked')}
}
['rp0','rp1','rp2','rp3','rp4','rp5'].forEach(id=>document.getElementById(id).style.display='none');
document.getElementById(SCFG[idx].rp).style.display='flex';
// canvas switching
document.getElementById('p0wrap').style.display='none';
document.getElementById('canvaswrap').style.display='none';
document.getElementById('p5wrap').style.display='none';
if(SCFG[idx].canvas==='p0'){document.getElementById('p0wrap').style.display='flex'}
else if(SCFG[idx].canvas==='p5'){document.getElementById('p5wrap').style.display='flex'}
else{
const cw=document.getElementById('canvaswrap');
cw.style.display='flex';cw.style.flex='1';cw.style.minHeight='0';
setTimeout(()=>initCanvas(idx),20);
}
// toolbar
document.getElementById('ctoolbar').style.display=SCFG[idx].toolbar?'flex':'none';
document.getElementById('cthint').textContent=SCFG[idx].hint;
['ct-undo','ct-redo','ct-reset'].forEach(id=>{
const el=document.getElementById(id);if(el)el.style.display=idx===2?'flex':'none';
});
setSt(SCFG[idx].st,'ok');
if(idx===5)patch3DEnter();
else if(typeof v3dStop==='function')v3dStop(); // pause the 3D render loop off page 5
}
// ── status/toast/loading ──────────────────────────────────────────────────────
function setSt(m,t){document.getElementById('st').textContent=m;document.getElementById('sd').className='sd'+(t?' '+t:'')}
let _tt=null;
function toast(m,d=2800){
const el=document.getElementById('toast');el.textContent=m;el.classList.add('show');
clearTimeout(_tt);_tt=setTimeout(()=>el.classList.remove('show'),d);
}
function showLd(m){document.getElementById('ldT').textContent=m||'Loading\u2026';document.getElementById('loading').classList.add('show')}
function hideLd(){document.getElementById('loading').classList.remove('show')}
// ── backend signals ───────────────────────────────────────────────────────────
function onIR(url){
iUrl=url;iEl=null;hideLd();
// new image -> reset the whole pipeline state & UI (calibration must restart)
calPts=[];view={z:1,tx:0,ty:0};
segPts=[];segCl=false;segSpl=[];segDr=-1;
autoUrl=null;metKey=null;metData={};metCnt={};metOvImg=null;autoEl=null;metOvCache={};_ovReq=new Set();_ovReqT={};
samReady=false;_pendingRun=false;pxPerMm=null; // new image: SAM must re-encode before next run
const _oi=document.getElementById('ovimg');if(_oi){_oi.style.display='none';_oi.removeAttribute('src');}
const _ck=document.getElementById('calok');if(_ck)_ck.style.display='none';
const _cl=document.getElementById('calLen');if(_cl)_cl.value='';
const _mp=document.getElementById('metPanel');if(_mp)_mp.innerHTML='';
if(typeof updSS==='function')updSS();
be('getImageSize',undefined,function(r){
const s=JSON.parse(r);iW=s.w;iH=s.h;
document.getElementById('iw').textContent=iW;
document.getElementById('ih').textContent=iH;
document.getElementById('imgstats').style.display='block';
// Feed the CSS image layer (sized to the real pixels; scaled via transform).
const _bi=document.getElementById('baseimg');
if(_bi){_bi.style.width=iW+'px';_bi.style.height=iH+'px';_bi.src=iUrl;}
if(curP===0)go(1); // image ready -> straight to calibration, no SAM wait
});
document.getElementById('ftag').style.display='block';
document.getElementById('btn0').disabled=false;
document.getElementById('tab1').classList.remove('locked');
// SAM is now loaded lazily (only when auto-seg actually runs) -> image opens fast.
const _ss=document.getElementById('samst');_ss.textContent='Loads on first run';_ss.style.color='var(--t2)';
setSt('Image loaded \u2713','ok');
}
// modelReady arrives after a lazy SAM load finishes (success or not).
function onMR(ok){
hideSamLoader();
if(ok){
samReady=true;
const el=document.getElementById('samst');el.textContent='\u2713 Ready';el.style.color='var(--teal-border)';
if(_pendingRun){_pendingRun=false;runSeg();}
if(_pendingAutoPrompt){_pendingAutoPrompt=false;showLd('Auto-prompt (SAM)\u2026');setSt('Running\u2026','busy');be('runAutoPrompt',undefined,function(){});}
}else{
_pendingRun=false;_pendingAutoPrompt=false;setSt('SAM unavailable','');toast('\u26a0 SAM not available',3800);
}
}
// Backend SAM-load progress -> drive the loading bar.
function onSamProgress(pct,stage){
if(pct>_samTarget)_samTarget=pct;
if(stage)document.getElementById('samldStage').textContent=stage;
if(stage&&stage.toLowerCase().indexOf('encod')>=0&&!_samCreepT){
// 'Encoding' is an opaque slow step: creep the target up so it never looks stuck.
_samCreepT=setInterval(()=>{if(_samTarget<94)_samTarget+=1;},230);
}
if(pct>=100){if(_samCreepT){clearInterval(_samCreepT);_samCreepT=null;}_samTarget=100;}
}
function showSamLoader(){
_samTarget=0;_samShown=0;
if(_samCreepT){clearInterval(_samCreepT);_samCreepT=null;}
document.getElementById('samldStage').textContent='Preparing\u2026';
document.getElementById('samldPct').textContent='0';
document.getElementById('samldFill').style.transform='scaleX(0)';
document.getElementById('samld').classList.add('show');
if(!_samRAF)_samRAF=requestAnimationFrame(_samTick);
}
function hideSamLoader(){
document.getElementById('samld').classList.remove('show');
if(_samRAF){cancelAnimationFrame(_samRAF);_samRAF=0;}
if(_samCreepT){clearInterval(_samCreepT);_samCreepT=null;}
}
function _samTick(){
_samShown+=(_samTarget-_samShown)*0.14;
if(_samTarget-_samShown<0.05)_samShown=_samTarget;
document.getElementById('samldPct').textContent=Math.round(_samShown);
document.getElementById('samldFill').style.transform='scaleX('+(_samShown/100).toFixed(4)+')';
_samRAF=requestAnimationFrame(_samTick);
}
function onSU(m){setSt(m,m.includes('\u2713')?'ok':'busy')}
function onER(m){hideLd();hideSamLoader();_pendingRun=false;setSt('Error','err');toast('\u26a0 '+m,4000)}
function onSS(v){
document.getElementById('calok').style.display='flex';
document.getElementById('calval').textContent=v.toFixed(2)+' px/mm';
document.getElementById('tab2').classList.remove('locked');
toast('Scale set: '+v.toFixed(2)+' px/mm \u2713');
}
function onASD(url){
autoUrl=url;hideLd();hideSamLoader();setSt('Auto seg done \u2713','ok');
['tab3','tab4','tab5'].forEach(id=>document.getElementById(id).classList.remove('locked'));
autoEl=null;metOvImg=false;metOvCache={};_ovReq=new Set();_ovReqT={}; // new masks invalidate cached overlays
be('getMetrics',undefined,function(r){metData=JSON.parse(r);buildMetPanel()});
// NB: no eager prefetch — rendering all overlays in the background floods the
// worker (GIL/CPU) right when the user starts interacting and causes the frame
// stutter. Overlays now render lazily on first click (async + pre-warmed).
// Fetch contours FIRST, then navigate/redraw \u2014 guarantees metCnt is ready
// before dAuto runs, so the auto (red) contour always shows.
be('getContours',undefined,function(r){
metCnt=JSON.parse(r);pxPerMm=metCnt.s||null;
if(curP===3){redraw();setTimeout(redraw,40);} else {go(3);}
});
}
// ── 3D patch viewer (Three.js) ────────────────────────────────────────────────
// The extrusion mesh is built in JS straight from the contour, so thickness/edge
// changes update at 60fps with no backend round-trip (smooth, no artefacts) and
// the camera is NOT touched on updates -> rotation is preserved.
const V3D={}; // side -> {canvas,renderer,scene,camera,controls,group,framed}
let _v3dRAF=0,_v3dOn=false,_pc={}; // _pc: cached centred contour per side
const V3DCOL={gt:{s:0x1ec869,e:0x0a5630},auto:{s:0xfb3636,e:0x751717}}; // vivid green / red
const N_ARC3D=20;
// Centred contour (mm) + outward dirs as FLAT arrays — computed once per contour
// (cached), so dragging the sliders allocates almost nothing (no micro-stutter).
function prepContour(cpx,s){
const N=cpx.length, c=new Float32Array(2*N), dir=new Float32Array(2*N);
let mx=0,my=0;for(const p of cpx){mx+=p.x;my+=p.y;}mx/=N;my/=N;
for(let i=0;i<N;i++){c[2*i]=(cpx[i].x-mx)/s;c[2*i+1]=(cpx[i].y-my)/s;}
for(let i=0;i<N;i++){const x=c[2*i],y=c[2*i+1],L=Math.hypot(x,y)+1e-9;dir[2*i]=x/L;dir[2*i+1]=y/L;}
return {c,dir,N};
}
// Build the extrusion mesh (Y-up). Vertices are SPLIT at hard edges: the top and
// bottom caps own their boundary ring (normals straight up/down -> perfectly flat,
// no radial shading artefact), the chamfer's two faces are split, while the fillet
// is one smooth strip. loops[] are the visible edges incl. fillet tangent rings.
function buildPatchGeo(c,dir,N,t,edgeVal,mode){
const r=Math.min(edgeVal,t*0.99), pos=[],idx=[], loops=[];
const add=(x,y,z)=>{const k=pos.length/3;pos.push(x,z,-y);return k;}; // plane(x,y)+height z -> Y-up
const ring=(fx,fy,z)=>{const a=new Array(N);for(let i=0;i<N;i++)a[i]=add(fx(i),fy(i),z);return a;};
const loopAt=(fx,fy,z)=>{const a=new Float32Array(3*N);for(let i=0;i<N;i++){a[3*i]=fx(i);a[3*i+1]=z;a[3*i+2]=-fy(i);}loops.push(a);};
const cap=(fx,fy,z,up)=>{const R=ring(fx,fy,z),ctr=add(0,0,z);
for(let i=0;i<N;i++){const j=(i+1)%N;if(up)idx.push(ctr,R[i],R[j]);else idx.push(ctr,R[j],R[i]);}};
const band=(fxA,fyA,zA,fxB,fyB,zB)=>{const a=ring(fxA,fyA,zA),b=ring(fxB,fyB,zB);
for(let i=0;i<N;i++){const j=(i+1)%N;idx.push(a[i],b[i],a[j], b[i],b[j],a[j]);}}; // consistent winding
const cx=i=>c[2*i], cy=i=>c[2*i+1];
if(r<=1e-6){
cap(cx,cy,t,true); cap(cx,cy,0,false); band(cx,cy,t,cx,cy,0);
loopAt(cx,cy,t); loopAt(cx,cy,0);
}else if(mode.indexOf('Chamfer')>=0){
const ix=i=>c[2*i]-dir[2*i]*r, iy=i=>c[2*i+1]-dir[2*i+1]*r; // inner ring
cap(cx,cy,t,true); cap(ix,iy,0,false);
band(cx,cy,t,cx,cy,r); band(cx,cy,r,ix,iy,0); // vertical wall + chamfer face (split -> crisp)
loopAt(cx,cy,t); loopAt(cx,cy,r); loopAt(ix,iy,0);
}else{
const rings=[ring(cx,cy,t), ring(cx,cy,r)]; let ifx=cx, ify=cy;
for(let k=1;k<=N_ARC3D;k++){const th=k/N_ARC3D*(Math.PI/2),ri=r*(1-Math.cos(th)),zv=r*(1-Math.sin(th));
const fx=i=>c[2*i]-dir[2*i]*ri, fy=i=>c[2*i+1]-dir[2*i+1]*ri;
rings.push(ring(fx,fy,zv)); if(k===N_ARC3D){ifx=fx;ify=fy;}}
for(let g=0;g<rings.length-1;g++)for(let i=0;i<N;i++){const j=(i+1)%N; // smooth strip (shared verts)
idx.push(rings[g][i],rings[g+1][i],rings[g][j], rings[g+1][i],rings[g+1][j],rings[g][j]);}
cap(cx,cy,t,true); cap(ifx,ify,0,false);
loopAt(cx,cy,t); loopAt(cx,cy,r); loopAt(ifx,ify,0); // top edge + fillet UPPER + lower tangents
}
return {pos:new Float32Array(pos),idx:new Uint32Array(idx),loops};
}
function meshVolume(pos,idx){
let v=0;
for(let f=0;f<idx.length;f+=3){
const a=idx[f]*3,b=idx[f+1]*3,c=idx[f+2]*3;
v+=pos[a]*(pos[b+1]*pos[c+2]-pos[b+2]*pos[c+1])
-pos[a+1]*(pos[b]*pos[c+2]-pos[b+2]*pos[c])
+pos[a+2]*(pos[b]*pos[c+1]-pos[b+1]*pos[c]);
}
return Math.abs(v)/6;
}
// soft gradient environment -> studio/CAD-like sheen on the surface
function v3dEnv(renderer){
const cnv=document.createElement('canvas');cnv.width=16;cnv.height=128;
const g=cnv.getContext('2d'),grd=g.createLinearGradient(0,0,0,128);
grd.addColorStop(0,'#eef3f6');grd.addColorStop(0.5,'#8b969e');grd.addColorStop(1,'#23272b');
g.fillStyle=grd;g.fillRect(0,0,16,128);
const tex=new THREE.CanvasTexture(cnv);tex.mapping=THREE.EquirectangularReflectionMapping;
const pm=new THREE.PMREMGenerator(renderer);const env=pm.fromEquirectangular(tex).texture;
tex.dispose();pm.dispose();return env;
}
function v3dInit(side){
if(V3D[side])return V3D[side];
if(typeof THREE==='undefined')return null;
const canvas=document.getElementById(side==='gt'?'cv3g':'cv3a');
const renderer=new THREE.WebGLRenderer({canvas,antialias:true,alpha:true});
renderer.setPixelRatio(Math.min(window.devicePixelRatio||1,2));
// sRGB output for correct colours, but NO ACES tone-mapping (it washes the
// colours out to pastel) -> keep them vivid and the surface reads as solid/opaque.
try{renderer.outputEncoding=THREE.sRGBEncoding;renderer.toneMapping=THREE.NoToneMapping;}catch(e){}
const scene=new THREE.Scene();
try{scene.environment=v3dEnv(renderer);}catch(e){}
const camera=new THREE.PerspectiveCamera(35,1,0.05,100000);
const controls=new THREE.OrbitControls(camera,renderer.domElement);
controls.enableDamping=true;controls.dampingFactor=0.1;controls.rotateSpeed=0.9;controls.panSpeed=0.7;
controls.enableZoom=false; // zoom is Ctrl+wheel only (handled below), like the image pages
try{controls.mouseButtons={LEFT:THREE.MOUSE.ROTATE,MIDDLE:THREE.MOUSE.ROTATE,RIGHT:THREE.MOUSE.PAN};}catch(e){}
// Mouse scheme matching the rest of the app:
// middle-drag = rotate · Ctrl+middle-drag = pan · Ctrl+wheel = zoom (plain wheel does nothing)
renderer.domElement.addEventListener('pointerdown',e=>{
if(e.button===1){controls.mouseButtons.MIDDLE=e.ctrlKey?THREE.MOUSE.PAN:THREE.MOUSE.ROTATE;e.preventDefault();}
},true);
renderer.domElement.addEventListener('wheel',e=>{
if(!e.ctrlKey)return;
e.preventDefault();
const off=camera.position.clone().sub(controls.target);
off.multiplyScalar(e.deltaY>0?1.12:0.892); // forward = zoom in, back = zoom out
if(off.length()<0.05)off.setLength(0.05);
camera.position.copy(controls.target).add(off);
controls.update();
},{passive:false});
scene.add(new THREE.HemisphereLight(0xffffff,0x35353c,0.55));
const k=new THREE.DirectionalLight(0xffffff,0.85);k.position.set(1.4,2.2,1.8);scene.add(k);
const f=new THREE.DirectionalLight(0xffffff,0.28);f.position.set(-1.6,0.4,-1.3);scene.add(f);
const rim=new THREE.DirectionalLight(0xffffff,0.32);rim.position.set(-0.5,1.2,-2);scene.add(rim);
const group=new THREE.Group();scene.add(group);
V3D[side]={canvas,renderer,scene,camera,controls,group,framed:false};
return V3D[side];
}
function v3dResize(side){
const v=V3D[side];if(!v)return;
const box=v.canvas.parentElement,w=box.clientWidth,h=box.clientHeight;