{
  "total_samples": 6,
  "environments_processed": 2,
  "max_trajs_per_env": 3,
  "files": {
    "dataset.parquet": "Complete dataset with all trajectory data",
    "metadata_only.parquet": "Metadata only (ship parameters, no trajectories)",
    "dataset_info.json": "This information file"
  },
  "data_structure": {
    "sample_id": "Unique identifier for each sample",
    "env_id": "Environment identifier (e.g., env_0)",
    "traj_id": "Trajectory identifier (e.g., traj_0)",
    "timesteps": "Number of timesteps (384)",
    "state_dim": "State vector dimension (10)",
    "control_dim": "Control vector dimension (2)",
    "param_*": "Ship parameters (79 total, prefixed with param_)",
    "state_trajectory": "State trajectory as list of lists (384x10)",
    "control_trajectory": "Control trajectory as list of lists (384x2)"
  },
  "state_variables": [
    "u - Surge velocity [m/s]",
    "v - Sway velocity [m/s]",
    "r - Yaw rate [deg/s]",
    "x - North position [km]",
    "y - East position [km]",
    "psi - Yaw angle [deg]",
    "p - Roll rate [deg/s]",
    "phi - Roll angle [deg]",
    "delta - Rudder angle [deg]",
    "n - Propeller shaft velocity [rpm]"
  ],
  "control_variables": [
    "delta - Commanded rudder angle [deg]",
    "n - Commanded propeller shaft velocity [rpm]"
  ]
}