{
  "observed": {
    "Waves": {
      "numWaveSets": "2",
      "waveRadius": "2.0",
      "waveLenMax": "20.0",
      "waveLenMin": "30.0",
      "amplitude": "2.0",
      "distribution": "0",
      "randomSeed": "30161",
      "color1": "(color 255 255 255)",
      "color2": "(color 0 0 0)"
    }
  },
  "estimated": {
    "Composite blend": "Multiply, Waves layer Opacity 28%; final foam Screen82%",
    "Cellular sizes": [
      0.8,
      5.5
    ],
    "Cellular spread": [
      0.55,
      0.7
    ],
    "radial_half_width": 7,
    "geometry": "Same 200x200cm Plane; no displacement",
    "opacity": "Soft disc, not rings-only",
    "animation": "Ring positions and Waves phase are reconstructed"
  },
  "correction": "Composite enum9 is Screen, not Lighten. Previous lesson label was incorrect.",
  "comparison": "01 and02 differ only by Waves enabled;02 and03 differ only by foam layer enabled."
}