common:
    lid_topic:  "/livox/lidar"
    imu_topic:  "/livox/imu"
    time_sync_en: false         # ONLY turn on when external time synchronization is really not possible

preprocess:
    lidar_type: 1                # 1 for Livox serials LiDAR, 2 for Velodyne LiDAR, 3 for ouster LiDAR, 
    scan_line: 6
    blind: 4

mapping:
    acc_cov: 0.1
    gyr_cov: 0.1
    b_acc_cov: 0.0001
    b_gyr_cov: 0.0001
    fov_degree:    90
    det_range:     450.0
    extrinsic_T: [ 0.04165, 0.02326, -0.0284 ]
    extrinsic_R: [ 1, 0, 0,
                   0, 1, 0,
                   0, 0, 1]