SOG_STATIONARY_MAX = 1.0
SOG_FISHING_MAX = 5.0
SOG_SAILING_MIN = 5.0

VESSEL_SOG_PROFILE = {
    'TRAWL': {'min': 1.5, 'max': 4.5, 'mean': 2.8, 'cog_var': 'high'},
    'PURSE': {'min': 2.0, 'max': 5.0, 'mean': 3.5, 'cog_var': 'circular'},
    'LONGLINE': {'min': 0.5, 'max': 3.0, 'mean': 1.8, 'cog_var': 'low'},
    'TRAP': {'min': 0.0, 'max': 2.0, 'mean': 0.8, 'cog_var': 'very_low'},
}

RESAMPLE_INTERVAL_MIN = 4

BIRCH_THRESHOLD = 0.35
BIRCH_BRANCHING = 50
MIN_CLUSTER_SIZE = 5

MMSI_DIGITS = 9
MAX_VESSEL_LENGTH = 300
MAX_SOG_KNOTS = 30.0
MIN_TRAJ_POINTS = 20

KR_BOUNDS = {
    'lat_min': 32.0, 'lat_max': 39.0,
    'lon_min': 124.0, 'lon_max': 132.0,
}