{
  "note": "C1 world<->real Tokyo georeference. X IS NEGATED vs source data.",
  "world_to_real": {
    "lon": "139.75654 + 2.528e-06*(-X)",
    "lat": "35.67327 + 2.117e-06*Z"
  },
  "real_to_world": {
    "X": "-(lon-139.75654)/2.528e-06",
    "Z": "(lat-35.67327)/2.117e-06"
  },
  "orientation": {
    "+Z": "NORTH",
    "-Z": "SOUTH",
    "-X": "EAST",
    "+X": "WEST"
  },
  "scale_studs_per_meter": 4.3,
  "median_error_m": 366,
  "loop_center_world": [
    180,
    -180
  ],
  "verified": [
    "Nihonbashi east of Palace",
    "Tokyo Tower SW outside loop",
    "Ginza/Tsukiji east",
    "Nagatacho/Kasumigaseki west"
  ]
}