research: passage preparation filters (L126, no-go, source restored)

Pair overlap comes from per-segment bounds expanded by radius + 4.335 m route reach; two exact filters cut
floor-profile calls 20-23% but near-ready stayed +3..+11% vs L109 (within ~2% of L125).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1

Standalone/Research/WorldAssemblerM3/Linux126/REPORT.md

@@ -0,0 +1,20 @@
+# Linux126 — passage preparation
+
+**No-go for the L109 speed bar.** Two exact-preserving preparation filters were tried. They reduced floor-profile calls by 20–23%, but did not reduce segment/sample pair counts or near-ready time enough. The tested source was restored after the host build.
+
+The L125 overlap is from each segment’s sweep bounds, expanded by its radius and the 4.335 m route reach. Adjacent segment bounds revisit the same samples. The feature slab only stamps outside sentinels; it does not create the pair count. Floor-profile and shell work multiply the cost of each pair. L125’s LOD0 pair overlap was 67.2%, 72.0%, 72.0%, and 67.6% for S0–S3. The first filter cut floor-profile calls from 3.107M→2.457M, 8.487M→6.549M, 8.303M→6.418M, and 5.269M→4.169M respectively.
+
+Five interleaved L80 measurements per cell, on a quiet machine (load 0.34, idle 98.2%):
+
+| Stratum | W8 near-ready vs L109 | W12 near-ready vs L109 |
+| --- | ---: | ---: |
+| S0 | +3.20% | +4.63% |
+| S1 | +9.34% | +7.03% |
+| S2 | +6.16% | +7.68% |
+| S3 | +10.97% | +8.65% |
+
+L126 was +0.52% to +2.13% vs L125 in six cells and within 0.20% in the other two. All eight cells missed L109.
+
+Quality stayed unchanged: 264 fast-tier checks passed; walkability passed 21,425/21,425 samples; the floor probe remained 7.884 mm; four seam pairs matched all 4,900 shared samples bit-for-bit; all 23 captures were verified and byte-identical to L125. Clang/GCC W1/W8/W12 hashes matched, and the v225 baselines were unchanged. The Linux VFHostEditor build succeeded in 37.60 s with `-NoUBA -MaxParallelActions=4` and no `prlimit`.
+
+No evaluator bump or baseline update was needed. Timing and count logs are under `Saved/Linux/l126/`; captures are under `captures/`.

Standalone/Research/WorldAssemblerM3/Linux126/RunL126Captures.py

@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+"""Render the 23 L119 camera poses with the L126 candidate."""
+from __future__ import annotations
+
+import importlib.util
+import json
+import math
+import os
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[4]
+RESEARCH = Path(__file__).resolve().parent
+CAPTURES = RESEARCH / "captures"
+SAVED = ROOT / "Saved/Linux/l126/captures"
+BASELINE_INDEX = (ROOT / "Standalone/Research/WorldAssemblerM3/Linux119"
+                  / "captures/L119/capture-index.json")
+LAYOUT = ROOT / "Saved/Linux/l126/hashes/owner4-surface-world-w12-clang.layout.json"
+CLANG = ROOT / os.environ.get("L126_CAPTURE_CLANG",
+    "Saved/Linux/l126/design2/bin/VoxelForgeCoreHeadless-l126-design2-clang")
+RENDERER = ROOT / os.environ.get("L126_CAPTURE_RENDERER",
+    "Saved/Linux/l126/design2/bin/VoxelForgeOffscreenCapture-l126-design2-clang")
+HELPER_PATH = ROOT / "Standalone/Research/WorldAssemblerM3/Linux113/RunL113Captures.py"
+
+SPEC = importlib.util.spec_from_file_location("l113_capture_helpers", HELPER_PATH)
+if SPEC is None or SPEC.loader is None:
+    raise SystemExit("cannot load the verified L113 capture helpers")
+HELPERS = importlib.util.module_from_spec(SPEC)
+SPEC.loader.exec_module(HELPERS)
+HELPERS.RESEARCH = RESEARCH
+HELPERS.CAPTURES = CAPTURES
+HELPERS.SAVED = SAVED
+HELPERS.BINARIES = {"L126": CLANG}
+HELPERS.RENDERERS = {"L126": RENDERER}
+
+
+def main() -> int:
+    if any(not path.is_file() for path in (BASELINE_INDEX, LAYOUT, CLANG, RENDERER)):
+        raise SystemExit("missing L119 camera set, L126 layout, or capture binary")
+    baseline = json.loads(BASELINE_INDEX.read_text(encoding="utf-8"))
+    layout = json.loads(LAYOUT.read_text(encoding="utf-8"))
+    rows = []
+    CAPTURES.mkdir(parents=True, exist_ok=True)
+    SAVED.mkdir(parents=True, exist_ok=True)
+    for view in baseline["captures"]:
+        row = HELPERS.capture("L126", view, layout)
+        row["variant"] = "L126-v225"
+        if view["kind"] == "rock-floor-close":
+            scene = ROOT / row["scene"]
+            anchor = HELPERS.nearest_surface_anchor(scene, view["target"], margin_m=5.0,
+                preferred_normal=(0.0, 0.0, 1.0), minimum_alignment=0.85)
+            alignment = HELPERS.dot(anchor["normal"], (0.0, 0.0, 1.0))
+            camera_distance = math.dist(row["camera_actual_m"], anchor["position_m"])
+            row.update({"floor_anchor_position_m": anchor["position_m"],
+                "floor_anchor_normal": anchor["normal"],
+                "closeup_camera_to_floor_distance_m": camera_distance,
+                "closeup_floor_normal_alignment": alignment,
+                "verified_upward_floor_normal": alignment >= 0.85})
+            if (not row["verified"] or not 2.0 <= camera_distance <= 3.2
+                    or anchor["distance_m"] > 0.25 or alignment < 0.85
+                    or row["drawn_triangles"] <= 0
+                    or row["pixel_quality_status"] not in
+                        ("pass", "low_contrast_geometry_visible")):
+                raise RuntimeError(f"L126 floor close-up failed at {view['name']}")
+        rows.append(row)
+    if len(rows) != len(baseline["captures"]) or len(rows) != 23:
+        raise RuntimeError(f"expected all 23 L119 views, captured {len(rows)}")
+    index = CAPTURES / "L126" / "capture-index.json"
+    index.parent.mkdir(parents=True, exist_ok=True)
+    index.write_text(json.dumps({"captures": rows}, indent=2) + "\n",
+        encoding="utf-8")
+
+    html = ["<!doctype html><meta charset='utf-8'>",
+        "<title>L119 / L126 tunnel capture comparison</title>",
+        "<style>body{font:14px system-ui;margin:24px;background:#17191d;color:#eee}"
+        "section{margin:28px 0}h2{font-size:18px}div{display:grid;"
+        "grid-template-columns:1fr 1fr;gap:12px}img{width:100%;height:auto}"
+        "p{color:#bbb}</style>", "<h1>L119 / L126 v225: identical views</h1>"]
+    old_by_name = {Path(row["capture"]).name: row for row in baseline["captures"]}
+    for row in rows:
+        name = Path(row["capture"]).name
+        old = old_by_name[name]
+        old_path = os.path.relpath(ROOT / "Standalone/Research/WorldAssemblerM3/Linux119"
+            / old["capture"], CAPTURES)
+        new_path = os.path.relpath(RESEARCH / row["capture"], CAPTURES)
+        html.extend(["<section>", f"<h2>{row['passage']} — {row['station']}</h2>",
+            f"<p>{row['kind']} · L119 {old['pixel_quality_status']} · "
+            f"L126 {row['pixel_quality_status']}</p>", "<div>",
+            f"<figure><figcaption>L119</figcaption><img src='{old_path}'></figure>",
+            f"<figure><figcaption>L126 v225</figcaption><img src='{new_path}'></figure>",
+            "</div>", "</section>"])
+    (CAPTURES / "COMPARE.html").write_text("\n".join(html) + "\n", encoding="utf-8")
+    print(f"[L126Captures] rendered={len(rows)} views index={index.relative_to(ROOT)}",
+        flush=True)
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

Standalone/Research/WorldAssemblerM3/Linux126/RunL126Timing.py

@@ -0,0 +1,136 @@
+#!/usr/bin/env python3
+"""Five interleaved L80 readiness runs for L109, L125 and L126."""
+from __future__ import annotations
+
+import json
+import os
+import re
+import statistics
+import subprocess
+import time
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[4]
+OUT = ROOT / os.environ.get("L126_TIMING_DIR", "Saved/Linux/l126/timing")
+DATA = ROOT / "Standalone/data/owner_world.json"
+BINARIES = {
+    "L109": ROOT / "Saved/Linux/l109/bin-final/VoxelForgeCoreHeadless-l109-clang",
+    "L125": ROOT / "Saved/Linux/l125/bin/VoxelForgeCoreHeadless-l125-clang",
+    "L126": ROOT / os.environ.get("L126_CANDIDATE_BINARY",
+        "Saved/Linux/l126/design2/bin/VoxelForgeCoreHeadless-l126-design2-clang"),
+}
+CAMERAS = {
+    0: (8.0, 16.0, -372.2626953125),
+    1: (25.8369140625, 3.19921875, -737.0),
+    2: (19.166015625, -14.2001953125, -753.3740234375),
+    3: (-20.0625, -5.068359375, -900.353515625),
+}
+PIPELINE = re.compile(r"^\[StreamPipeline\] (.*)$", re.M)
+FIELDS = re.compile(r"([a-zA-Z0-9_]+)=([^ ]+)")
+NEAR = re.compile(
+    r"^\[WorldAssemblerNearLODReady\] lods=0-2 tiles=(\d+)/(\d+) cold_ready_s=([0-9.]+)$",
+    re.M)
+
+
+def run(strate: int, workers: int, version: str, phase: str, replicate: int) -> dict:
+    OUT.mkdir(parents=True, exist_ok=True)
+    label = f"s{strate}-w{workers}-{version}-{phase}{replicate}"
+    log = OUT / f"{label}.log"
+    camera = ",".join(f"{value:.12f}" for value in CAMERAS[strate]) + ",0,0"
+    command = [
+        "taskset", "-c", "0-11", "prlimit", "--as=6442450944", "--",
+        "timeout", "1740s", str(BINARIES[version]), str(DATA),
+        "--world-assembler-prototype", "--stream-benchmark", "--stream-pipeline",
+        f"--workers={workers}", "--clip-radius=3", "--max-clip-level=8",
+        "--max-level=8", f"--camera={camera}", "--profile-lod-work",
+        "--stream-scheduler-policy=3",
+    ]
+    started = time.monotonic()
+    with log.open("w", encoding="utf-8") as output:
+        result = subprocess.run(command, cwd=ROOT, stdout=output,
+            stderr=subprocess.STDOUT, check=False, timeout=1740)
+    content = log.read_text(encoding="utf-8", errors="replace")
+    pipeline_match, near_match = PIPELINE.search(content), NEAR.search(content)
+    if result.returncode or pipeline_match is None or near_match is None:
+        raise SystemExit(f"readiness run failed or incomplete: {log}; exit={result.returncode}")
+    pipeline = dict(FIELDS.findall(pipeline_match.group(1)))
+    row = {"strate": strate, "workers": workers, "version": version,
+        "phase": phase, "replicate": replicate, "exit_code": result.returncode,
+        "wall_s": round(time.monotonic() - started, 3),
+        "lod02_ready_s": float(near_match.group(3)),
+        "whole_view_ready_s": float(pipeline["whole_view_ready"].removesuffix("s")),
+        "whole_tiles": int(pipeline["whole_tiles"].split("/")[0]),
+        "log": str(log.relative_to(ROOT))}
+    print("[L126TimingRun] " + json.dumps(row, sort_keys=True), flush=True)
+    return row
+
+
+def cpu_idle_percent(interval_s: float = 2.0) -> float:
+    def totals() -> tuple[int, int]:
+        fields = Path("/proc/stat").read_text(encoding="utf-8").splitlines()[0].split()
+        values = [int(value) for value in fields[1:]]
+        return sum(values), values[3] + (values[4] if len(values) > 4 else 0)
+    before_total, before_idle = totals()
+    time.sleep(interval_s)
+    after_total, after_idle = totals()
+    return 100.0 * (after_idle-before_idle) / max(1, after_total-before_total)
+
+
+def main() -> int:
+    if not DATA.is_file() or any(not binary.is_file() for binary in BINARIES.values()):
+        raise SystemExit("missing L109/L125/L126 timing input")
+    OUT.mkdir(parents=True, exist_ok=True)
+    load_1m, idle_pct = os.getloadavg()[0], cpu_idle_percent()
+    uptime = subprocess.run(["uptime"], cwd=ROOT, text=True,
+        capture_output=True, check=True).stdout.strip()
+    top = subprocess.run(["ps", "-eo", "pid,pcpu,comm", "--sort=-pcpu"],
+        cwd=ROOT, text=True, capture_output=True, check=True).stdout
+    (OUT / "machine-load-before.txt").write_text(
+        f"uptime: {uptime}\n1-minute load: {load_1m:.2f}\n"
+        f"2-second CPU idle: {idle_pct:.1f}%\ntop CPU users:\n{top}", encoding="utf-8")
+    print(f"[L126TimingGate] load_1m={load_1m:.2f} cpu_idle_2s={idle_pct:.1f}%",
+        flush=True)
+    if load_1m >= 0.9 or idle_pct < 97.0:
+        raise SystemExit("timing refused: machine is above the quiet-load gate")
+
+    rows = []
+    versions = ("L109", "L125", "L126")
+    for strate in range(4):
+        for workers in (8, 12):
+            for version in versions:
+                run(strate, workers, version, "warmup", 0)
+            for replicate in range(1, 6):
+                offset = (replicate - 1) % len(versions)
+                order = versions[offset:] + versions[:offset]
+                for version in order:
+                    rows.append(run(strate, workers, version, "measured", replicate))
+                    (OUT / "runs-partial.json").write_text(
+                        json.dumps(rows, indent=2) + "\n", encoding="utf-8")
+
+    summary = []
+    for strate in range(4):
+        for workers in (8, 12):
+            item = {"strate": strate, "workers": workers, "replicates": 5}
+            medians = {}
+            for version in versions:
+                group = [row for row in rows if row["strate"] == strate
+                    and row["workers"] == workers and row["version"] == version]
+                medians[version] = {}
+                for key in ("lod02_ready_s", "whole_view_ready_s"):
+                    values = [row[key] for row in group]
+                    medians[version][key] = statistics.median(values)
+                    item[f"{version}_{key}_values"] = values
+                    item[f"{version}_{key}_median"] = medians[version][key]
+            for comparison in ("L109", "L125"):
+                for key in ("lod02_ready_s", "whole_view_ready_s"):
+                    item[f"L126_vs_{comparison}_{key}_delta_pct"] = round(
+                        100.0 * (medians["L126"][key] / medians[comparison][key]-1.0), 2)
+            summary.append(item)
+    (OUT / "summary.json").write_text(
+        json.dumps({"runs": rows, "summary": summary}, indent=2) + "\n",
+        encoding="utf-8")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

Standalone/Research/WorldAssemblerM3/Linux126/captures/COMPARE.html

@@ -0,0 +1,188 @@
+<!doctype html><meta charset='utf-8'>
+<title>L119 / L126 tunnel capture comparison</title>
+<style>body{font:14px system-ui;margin:24px;background:#17191d;color:#eee}section{margin:28px 0}h2{font-size:18px}div{display:grid;grid-template-columns:1fr 1fr;gap:12px}img{width:100%;height:auto}p{color:#bbb}</style>
+<h1>L119 / L126 v225: identical views</h1>
+<section>
+<h2>passage/0-1/0 — rock-floor/401.7m</h2>
+<p>rock-floor-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-0-1-0-rock-floor-station-1.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-0-1-0-rock-floor-station-1.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/0-1/0 — rock-floor/792.8m</h2>
+<p>rock-floor-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-0-1-0-rock-floor-station-2.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-0-1-0-rock-floor-station-2.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/0-1/0 — rock-floor/1634.5m</h2>
+<p>rock-floor-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-0-1-0-rock-floor-station-3.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-0-1-0-rock-floor-station-3.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/1-2/0 — rock-floor/27.0m</h2>
+<p>rock-floor-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-1-2-0-rock-floor-station-1.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-1-2-0-rock-floor-station-1.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/1-2/0 — rock-floor/52.9m</h2>
+<p>rock-floor-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-1-2-0-rock-floor-station-2.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-1-2-0-rock-floor-station-2.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/1-2/0 — rock-floor/78.9m</h2>
+<p>rock-floor-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-1-2-0-rock-floor-station-3.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-1-2-0-rock-floor-station-3.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/2-3/0 — rock-floor/323.4m</h2>
+<p>rock-floor-close · L119 low_contrast_geometry_visible · L126 low_contrast_geometry_visible</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-2-3-0-rock-floor-station-1.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-2-3-0-rock-floor-station-1.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/2-3/0 — rock-floor/333.4m</h2>
+<p>rock-floor-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-2-3-0-rock-floor-station-2.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-2-3-0-rock-floor-station-2.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/2-3/0 — rock-floor/343.4m</h2>
+<p>rock-floor-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-2-3-0-rock-floor-station-3.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-2-3-0-rock-floor-station-3.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/0-1/0 — section-1/4m-outside</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-0-1-0-openair-1-4m-outside.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-0-1-0-openair-1-4m-outside.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/0-1/0 — section-1/4m-interior-wall</h2>
+<p>open-air-close · L119 low_contrast_geometry_visible · L126 low_contrast_geometry_visible</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-0-1-0-openair-1-4m-interior-wall.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-0-1-0-openair-1-4m-interior-wall.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/0-1/0 — section-2/4m-outside</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-0-1-0-openair-2-4m-outside.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-0-1-0-openair-2-4m-outside.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/0-1/0 — section-2/4m-interior-wall</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-0-1-0-openair-2-4m-interior-wall.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-0-1-0-openair-2-4m-interior-wall.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/0-1/0 — section-3/4m-outside</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-0-1-0-openair-3-4m-outside.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-0-1-0-openair-3-4m-outside.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/0-1/0 — section-3/4m-interior-wall</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-0-1-0-openair-3-4m-interior-wall.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-0-1-0-openair-3-4m-interior-wall.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/1-2/0 — section-1/4m-outside</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-1-2-0-openair-1-4m-outside.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-1-2-0-openair-1-4m-outside.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/1-2/0 — section-1/4m-interior-wall</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-1-2-0-openair-1-4m-interior-wall.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-1-2-0-openair-1-4m-interior-wall.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/1-2/0 — section-2/4m-outside</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-1-2-0-openair-2-4m-outside.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-1-2-0-openair-2-4m-outside.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/1-2/0 — section-2/4m-interior-wall</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-1-2-0-openair-2-4m-interior-wall.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-1-2-0-openair-2-4m-interior-wall.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/2-3/0 — section-1/4m-outside</h2>
+<p>open-air-close · L119 low_contrast_geometry_visible · L126 low_contrast_geometry_visible</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-2-3-0-openair-1-4m-outside.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-2-3-0-openair-1-4m-outside.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/2-3/0 — section-1/4m-interior-wall</h2>
+<p>open-air-close · L119 low_contrast_geometry_visible · L126 low_contrast_geometry_visible</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-2-3-0-openair-1-4m-interior-wall.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-2-3-0-openair-1-4m-interior-wall.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/2-3/0 — section-2/4m-outside</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-2-3-0-openair-2-4m-outside.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-2-3-0-openair-2-4m-outside.png'></figure>
+</div>
+</section>
+<section>
+<h2>passage/2-3/0 — section-2/4m-interior-wall</h2>
+<p>open-air-close · L119 pass · L126 pass</p>
+<div>
+<figure><figcaption>L119</figcaption><img src='../../Linux119/captures/L119/L115/L115/passage-2-3-0-openair-2-4m-interior-wall.png'></figure>
+<figure><figcaption>L126 v225</figcaption><img src='L126/passage-2-3-0-openair-2-4m-interior-wall.png'></figure>
+</div>
+</section>