{
  "name": "Curiosity 1",
  "key": "curiosity_1",
  "chunk_id": 2,
  "chunk_label": "Chunk 3",
  "component_id": 0,
  "camera_count": 19,
  "native_vertex_count": 531544,
  "native_triangle_count": 1061996,
  "display_vertex_count": 35285,
  "display_triangle_count": 70291,
  "sparse_point_count": 30087,
  "display_transform": [
    [
      -0.21979506211292874,
      0.003910309076904952,
      0.16547867639827624,
      3.0164150812759485
    ],
    [
      0.16022470496879002,
      -0.0640255430523177,
      0.21432947987467463,
      2.237608446474838
    ],
    [
      0.04155149548772622,
      0.26757016184284715,
      0.04886751377914144,
      1.3151021854892704
    ],
    [
      0.0,
      0.0,
      0.0,
      1.0
    ]
  ],
  "scale": 0.27515150769862873,
  "source_mesh_file": "/mnt/data/metashape_v2/source/model_2.zip",
  "source_chunk_file": "/mnt/data/metashape_work/chunk_3.zip",
  "source_sparse_file": "/mnt/data/metashape_work/point_cloud_2.zip",
  "mesh_sha256": "aab4cdf668b813d3374b1450bb9a60f3841b8c3df7fd11efc78f950aff86721b",
  "positive_depth_tracks": {
    "sampled": 380,
    "positive": 380
  },
  "ray_mesh_camera_hit_count": 0,
  "browser_triangle_count": 70291,
  "source_preview_count": 19,
  "notes": "Capture groups remain separated across Sol 2306 and Sol 2309.",
  "original_project": "Curiosity 1.psx",
  "original_chunk_path": "01 SCAN FILE/Curiosity 1.files/2/chunk.zip",
  "original_mesh_path": "01 SCAN FILE/Curiosity 1.files/2/0/model/model.zip",
  "frustums": "Adjusted focal length, principal point and image dimensions; straight pinhole approximation. Lens distortion is not applied. Frustum depth is a display choice, not a measured scene quantity.",
  "trajectory": "Straight connectors follow numeric source-frame/timestamp labels; separate capture groups and very large jumps are not connected. Not independently measured flight telemetry.",
  "display_orientation": "Single rigid PCA leveling plus uniform scale applied to both cameras and geometry. Surface is not moved independently. Display-up is a presentation convention, not independently verified gravity.",
  "source_pixels": "Actual cached project thumbnails for MarsAerial and Ingenuity; matched original JPGs for Curiosity, reduced for display. Ingenuity frame labels indicate Topaz-enhanced imagery.",
  "mesh_reduction": "Movie meshes are display-reduced. Interactive WebGL and Canvas meshes are reduced further. Reduction and camera-icon scaling are documented, not claims of full-resolution rendering."
}