| { | |
| "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]" | |
| ] | |
| } |