{
 "object": "Ramp",
 "mesh": "Ramp/ramp.ply",
 "marker_radius_mm": 8.0,
 "method": "upright-at-rest fit of marker centres to the mesh surface",
 "instances": {
  "Ramp": {
   "markers_obj_m": [
    [
     -0.43839,
     -0.2401,
     0.18564
    ],
    [
     0.14891,
     -0.25659,
     0.07124
    ],
    [
     -0.09308,
     0.25086,
     0.1227
    ],
    [
     0.40606,
     0.23907,
     0.02616
    ]
   ],
   "from_session": "20261012/LM28/20261012_102514_session43",
   "rest_rows": [
    17312,
    18483
   ],
   "base_on_stack_of": 0,
   "fit_rms_mm": 0.11,
   "layout_m": [
    0.5085,
    0.5602,
    0.5645,
    0.5986,
    0.6035,
    0.9839
   ],
   "windows_same_layout": 6,
   "independent_windows_agreeing": 3,
   "agree_mm": 10.0,
   "cross_check": [
    {
     "session": "20261012/LM28/20261012_102803_session44",
     "name": "Ramp",
     "fit_rms_mm": 0.11,
     "marker_disagreement_mm": 0.4,
     "independent": true
    },
    {
     "session": "20261012/LM28/20261012_102803_session44",
     "name": "Ramp",
     "fit_rms_mm": 0.11,
     "marker_disagreement_mm": 0.4,
     "independent": true
    },
    {
     "session": "20261012/LM28/20261012_102803_session44",
     "name": "Ramp",
     "fit_rms_mm": 0.11,
     "marker_disagreement_mm": 0.4,
     "independent": true
    },
    {
     "session": "20261012/LM28/20261012_102514_session43",
     "name": "Ramp",
     "fit_rms_mm": 0.12,
     "marker_disagreement_mm": 0.5,
     "independent": false
    },
    {
     "session": "20261012/LM28/20261012_102514_session43",
     "name": "Ramp",
     "fit_rms_mm": 0.15,
     "marker_disagreement_mm": 1.4,
     "independent": false
    }
   ],
   "visual_check": {
    "ok": false,
    "note": "rigid body labelled Ramp moves with the carried BigBox in 20261012/LM28/20261012_102803_session44 where no ramp is visible; track identity doubtful",
    "date": "2026-10-21"
   }
  }
 }
}