airliner mesh is generated in-repo: tools/plane_gen.py writes vendor/plane3d.js (480 tris, CC0, same unit extent as the old Grab3D derivative); attribution updated

README.md

@@ -23,7 +23,8 @@ dropped into an iframe or kiosk browser and left running.
 - **Realistic night sky**: ~8700 stars from the Yale Bright Star Catalogue
   (points sized by magnitude, coloured by temperature), rotated at the sidereal
   rate for the site's latitude, a Milky Way band and a phase-correct moon.
-- **Aircraft**: low-poly jets (CC0 model) on curved routes between real
+- **Aircraft**: low-poly jets (own CC0 mesh, generated by `tools/plane_gen.py`)
+  on curved routes between real
   airfields, with a destination rolled at every take-off, sun-lit silhouettes
   and contrails by day, strobing position lights by night.
 - **Night lights**: vehicle lights moving along the real road network (Overpass)
@@ -237,6 +238,8 @@ window.TRANSLATIONS['Sunrise']['xx'] = 'MyTranslation';
 ├── ash.css                  default colour theme
 ├── gruvbox.css              alternative colour theme
 ├── nord.css                 alternative colour theme
+├── tools/
+│   └── plane_gen.py         generates vendor/plane3d.js (the airliner mesh)
 ├── vendor/
 │   ├── clouds3d.js          WebGL scene renderer (sky, clouds, terrain, lights)
 │   ├── suncalc.js           sun/moon positions - ISC (SunCalc by mourner)
@@ -255,7 +258,8 @@ window.TRANSLATIONS['Sunrise']['xx'] = 'MyTranslation';
 
 - **Background application code**: MIT (see `LICENSE`)
 - **SunCalc** (vendored): ISC - <https://github.com/mourner/suncalc>
-- **Aircraft model** (`vendor/plane3d.js`): CC0
+- **Aircraft model** (`vendor/plane3d.js`): own geometry, generated by
+  `tools/plane_gen.py`, CC0
 - **Open-Meteo** (weather API): CC BY 4.0 - <https://open-meteo.com/>
 - **ESRI** basemaps (`World_Imagery`, `World_Street_Map`) served through the
   bundled proxy: Esri, its licensors and contributors -

background.html

@@ -1623,8 +1623,6 @@ window.weatherThemes = {
                 lines.push('Terrain: Copernicus DEM via Mapzen Terrarium');
                 if (t.carLights !== false || t.cityLights !== false) lines.push('Roads: \u00a9 OpenStreetMap contributors (ODbL)');
             }
-            var fc = cfg.flights;
-            if (!fc || fc.enabled !== false) lines.push('Airliner model: Grab3D (CC0)');
             lines.push('Stars: Yale Bright Star Catalogue');
             lines.push('Weather: Open-Meteo');
             el.innerHTML = lines.join('<br>');

tools/plane_gen.py

@@ -0,0 +1,195 @@
+#!/usr/bin/env python3
+"""
+Generate vendor/plane3d.js - the low-poly airliner used by the flight layer.
+
+The mesh is built here from primitives (no source model, no textures), so the
+asset is CC0 by construction and reproducible:
+
+    python3 tools/plane_gen.py            # writes vendor/plane3d.js
+
+Output format (exactly what clouds3d.js expects):
+  window.__planeVerts = '<base64>' of non-indexed triangles, interleaved per
+  vertex: pos(3), normal(3), colIdx(1), float32 little endian.
+  colIdx: 0 = body (light albedo), 1 = glazing (dark albedo).
+  Convention: forward = +Z, up = +Y, nose-to-tail ~2.0 (the renderer scales
+  the model with uS and assumes that ~2.0 span, see PLANE_VERT_SRC).
+"""
+
+import base64
+import math
+import os
+import struct
+
+ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+BODY, GLASS = 0.0, 1.0
+SIDES = 10
+TRIS = []
+
+
+def add_tri(a, b, c, col, ref):
+    """Store one triangle; its flat normal is oriented away from ref."""
+    ux, uy, uz = b[0] - a[0], b[1] - a[1], b[2] - a[2]
+    vx, vy, vz = c[0] - a[0], c[1] - a[1], c[2] - a[2]
+    nx, ny, nz = uy * vz - uz * vy, uz * vx - ux * vz, ux * vy - uy * vx
+    ln = math.sqrt(nx * nx + ny * ny + nz * nz)
+    if ln < 1e-9:
+        return
+    nx, ny, nz = nx / ln, ny / ln, nz / ln
+    mx = (a[0] + b[0] + c[0]) / 3.0 - ref[0]
+    my = (a[1] + b[1] + c[1]) / 3.0 - ref[1]
+    mz = (a[2] + b[2] + c[2]) / 3.0 - ref[2]
+    if nx * mx + ny * my + nz * mz < 0:
+        nx, ny, nz = -nx, -ny, -nz
+    TRIS.append((a, b, c, col, (nx, ny, nz)))
+
+
+def add_quad(a, b, c, d, col, ref):
+    add_tri(a, b, c, col, ref)
+    add_tri(a, c, d, col, ref)
+
+
+def ring(z, r, cy, cx=0.0, phase=0.0):
+    pts = []
+    for i in range(SIDES):
+        ang = phase + 2.0 * math.pi * i / SIDES
+        pts.append((cx + r * math.sin(ang), cy + r * math.cos(ang), z))
+    return pts
+
+
+def add_cap(r, ref, col=BODY):
+    cx = sum(p[0] for p in r) / len(r)
+    cy = sum(p[1] for p in r) / len(r)
+    cz = sum(p[2] for p in r) / len(r)
+    for i in range(len(r)):
+        add_tri((cx, cy, cz), r[i], r[(i + 1) % len(r)], col, ref)
+
+
+def tube(stations, cy, ref, cx=0.0, col=BODY):
+    """stations: [(z, radius), ...] from one end to the other, caps closed."""
+    rings = [ring(z, r, cy, cx) for (z, r) in stations]
+    for k in range(len(rings) - 1):
+        a, b = rings[k], rings[k + 1]
+        for i in range(SIDES):
+            j = (i + 1) % SIDES
+            add_quad(a[i], a[j], b[j], b[i], col, ref)
+    add_cap(rings[0], ref, col)
+    add_cap(rings[-1], ref, col)
+
+
+def slab(root_le, root_te, tip_le, tip_te, half_t):
+    """Tapered wing/stabilizer: planform corners extruded by +-half_t in y."""
+    def off(p, dy):
+        return (p[0], p[1] + dy, p[2])
+    tlr, ttr = off(root_le, half_t), off(root_te, half_t)
+    tlt, ttt = off(tip_le, half_t), off(tip_te, half_t)
+    blr, btr = off(root_le, -half_t), off(root_te, -half_t)
+    blt, btt = off(tip_le, -half_t), off(tip_te, -half_t)
+    ref = ((root_le[0] + tip_le[0]) / 2.0, root_le[1] - 0.25,
+           (root_le[2] + tip_le[2]) / 2.0)
+    add_quad(tlr, tlt, ttt, ttr, BODY, ref)          # top skin
+    add_quad(blr, btr, btt, blt, BODY, ref)          # bottom skin
+    add_quad(tlr, blr, blt, tlt, BODY, ref)          # leading edge
+    add_quad(ttr, ttt, btt, btr, BODY, ref)          # trailing edge
+    add_quad(tlt, ttt, btt, blt, BODY, ref)          # tip
+
+
+def plate(outline, x, thickness, col=BODY):
+    """Thin plate: outline is a list of (z, y), extruded around x."""
+    a = [(x - thickness / 2.0, p[1], p[0]) for p in outline]
+    b = [(x + thickness / 2.0, p[1], p[0]) for p in outline]
+    ym = sum(p[1] for p in outline) / len(outline)
+    zm = sum(p[0] for p in outline) / len(outline)
+    for i in range(1, len(a) - 1):
+        add_tri(a[0], a[i], a[i + 1], col, (x - 1.0, ym, zm))
+        add_tri(b[0], b[i + 1], b[i], col, (x + 1.0, ym, zm))
+    for i in range(len(a)):
+        j = (i + 1) % len(a)
+        add_quad(a[i], a[j], b[j], b[i], col, (x, ym, zm))
+
+
+def window_band(ang_mid, cy, r, z0, z1, step, h, col=GLASS):
+    """Glazing quads on the fuselage skin around the section angle ang_mid."""
+    x = r * 1.02 * math.sin(ang_mid)
+    ym = cy + r * 1.02 * math.cos(ang_mid)
+    y_lo, y_hi = ym - h / 2.0, ym + h / 2.0
+    ref = (0.0, cy, 0.5 * (z0 + z1))
+    z = z0
+    while z + step <= z1 + 1e-9:
+        za, zb = z + step * 0.18, z + step * 0.82
+        add_quad((x, y_hi, za), (x, y_hi, zb), (x, y_lo, zb), (x, y_lo, za),
+                 col, ref)
+        z += step
+
+
+def build():
+    cy = 0.115
+
+    # fuselage: nose cone, parallel section, tail cone
+    tube([(0.97, 0.020), (0.88, 0.075), (0.78, 0.105), (0.70, 0.115),
+          (-0.55, 0.115), (-0.75, 0.095), (-0.90, 0.055), (-1.00, 0.015)],
+         cy, (0.0, cy, 0.0))
+
+    # wings: swept and tapered, slight dihedral (root chord 0.56, tip 0.18)
+    for s in (1.0, -1.0):
+        slab((s * 0.09, 0.055, 0.30), (s * 0.09, 0.055, -0.26),
+             (s * 0.91, 0.125, -0.28), (s * 0.91, 0.125, -0.46), 0.016)
+        # winglet: small plate standing up at the tip
+        plate([(-0.28, 0.125), (-0.46, 0.125), (-0.46, 0.235), (-0.28, 0.215)],
+              s * 0.912, 0.014)
+
+    # horizontal stabilizers
+    for s in (1.0, -1.0):
+        slab((s * 0.07, 0.135, -0.66), (s * 0.07, 0.135, -0.94),
+             (s * 0.42, 0.165, -0.86), (s * 0.42, 0.165, -1.00), 0.011)
+
+    # vertical fin (outline in the (z, y) plane)
+    plate([(-0.48, 0.20), (-0.60, 0.60), (-0.86, 0.60), (-1.00, 0.26)],
+          0.0, 0.026)
+
+    # engine nacelles under the wings, with a thin pylon each
+    for s in (1.0, -1.0):
+        ex, ey = s * 0.36, -0.055
+        tube([(0.24, 0.030), (0.18, 0.072), (-0.06, 0.075), (-0.14, 0.045)],
+             ey, (ex, ey, 0.05), cx=ex)
+        plate([(0.16, 0.015), (-0.02, 0.015), (-0.02, 0.075), (0.16, 0.075)],
+              ex, 0.030)
+
+    # window bands on both flanks, cockpit glazing on the upper flanks
+    d = math.radians
+    window_band(d(90), cy, 0.115, -0.42, 0.58, 0.075, 0.048)
+    window_band(d(270), cy, 0.115, -0.42, 0.58, 0.075, 0.048)
+    window_band(d(54), cy, 0.115, 0.64, 0.82, 0.09, 0.055)
+    window_band(d(306), cy, 0.115, 0.64, 0.82, 0.09, 0.055)
+
+
+def emit():
+    out = bytearray()
+    for (a, b, c, col, n) in TRIS:
+        for p in (a, b, c):
+            out += struct.pack('<fffffff',
+                               p[0], p[1], p[2], n[0], n[1], n[2], col)
+    b64 = base64.b64encode(bytes(out)).decode('ascii')
+    head = ("""/* Airliner low-poly mesh (%d triangles, flat shaded, no textures).
+ * Generated procedurally by tools/plane_gen.py - original geometry, CC0 1.0.
+ * Non-indexed interleaved: pos(3) nrm(3) colIdx(1); unit extent 1.0,
+ * forward = +Z, up = +Y, nose-to-tail ~2.0 (see PLANE_VERT_SRC in clouds3d.js).
+ * colIdx: 0 = body, 1 = glazing.
+ */
+window.__planeVerts = '""" % len(TRIS))
+    path = os.path.join(ROOT, 'vendor', 'plane3d.js')
+    with open(path, 'w', encoding='utf-8') as f:
+        f.write(head + b64 + "';\n")
+
+    pts = [p for t in TRIS for p in t[:3]]
+    xs = [p[0] for p in pts]; ys = [p[1] for p in pts]; zs = [p[2] for p in pts]
+    glass = sum(1 for t in TRIS if t[3] == GLASS)
+    print('wrote %s' % path)
+    print('triangles %d (glazing %d), bytes %d' % (len(TRIS), glass, len(out)))
+    print('x %.3f..%.3f  y %.3f..%.3f  z %.3f..%.3f'
+          % (min(xs), max(xs), min(ys), max(ys), min(zs), max(zs)))
+
+
+if __name__ == '__main__':
+    build()
+    emit()

vendor/LICENSE

@@ -8,10 +8,9 @@ stars.json - star catalogue derived from the Yale Bright Star Catalogue
 (5th ed., public catalogue data). Generated for this project; see the
 real-sky notes in clouds3d.js.
 
-plane3d.js - low-poly airliner mesh (599 triangles, flattened, no textures)
+plane3d.js - low-poly airliner mesh (480 triangles, flat shaded, no textures)
-Derived from 'Passenger Airplane' by Grab3D (https://grab3d.com), CC0 1.0
+Original geometry generated by tools/plane_gen.py in this repository; offered
-(public domain dedication). Decimated and repacked for this project; the
+under CC0 1.0 like the rest of the project's own assets.
-derived mesh is offered under CC0 as well.
 
 clouds3d.js - original code for this project (same license as the
 repository root LICENSE).

vendor/plane3d.js

@@ -1,4 +1,7 @@
-/* Airliner low-poly mesh (599 tris). Derived from 'Passenger Airplane' by Grab3D,
+/* Airliner low-poly mesh (480 triangles, flat shaded, no textures).
- * CC0 (https://grab3d.com) - decimated and flattened for distant viewing.
+ * Generated procedurally by tools/plane_gen.py - original geometry, CC0 1.0.
- * Non-indexed interleaved: pos(3) nrm(3) colIdx(1); unit extent 1.0. */
+ * Non-indexed interleaved: pos(3) nrm(3) colIdx(1); unit extent 1.0,
-window.__planeVerts = '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
Line truncated
+ * forward = +Z, up = +Y, nose-to-tail ~2.0 (see PLANE_VERT_SRC in clouds3d.js).
+ * colIdx: 0 = body, 1 = glazing.
+ */
+window.__planeVerts = 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truncated