{
  "source_video": "[本机资料路径]",
  "scope": "Static reconstruction of last visible values; not complete animation or full scene match",
  "reloaded": true,
  "material_class": "ai_standard_surface",
  "renderer": "Arnold",
  "plane": {
    "width": 400.0,
    "length": 400.0,
    "segments": [
      1,
      1
    ],
    "z": 5.0
  },
  "ramps": [
    {
      "name": "#25 Gradient Ramp",
      "tiling": 13.0,
      "w_angle": 0.0,
      "mirror": true,
      "noise_amount": 0.5,
      "noise_size": 5.0,
      "phase": 0.0
    },
    {
      "name": "#26 Gradient Ramp",
      "tiling": 19.0,
      "w_angle": 30.000001907348633,
      "mirror": true,
      "noise_amount": 0.5,
      "noise_size": 5.0,
      "phase": 0.0
    },
    {
      "name": "#28 Gradient Ramp",
      "tiling": 15.0,
      "w_angle": 60.000003814697266,
      "mirror": true,
      "noise_amount": 0.5,
      "noise_size": 5.0,
      "phase": 0.0
    }
  ],
  "smoke": {
    "size": 0.05000000074505806,
    "iterations": 5,
    "exponent": 1.0,
    "coordType": 2
  },
  "composite_modes": [
    0,
    14,
    14,
    19
  ],
  "emission": 0.5,
  "estimates": [
    "Camera transform/FOV and gray world background",
    "Left blue color endpoint RGB(0,12,255)",
    "Ramp midpoint neutral gray 127.5; exact flag RGB not opened",
    "No recreation of the existing classroom LightRoom, lights and cameras"
  ],
  "animation": "Not added: this source chapter develops a static material at frame100. User later screenshot Offset0.5/Phase0.25 belongs to another state, kept separate."
}