from enum import StrEnum


class Polarization(StrEnum):
    """SAR polarization identifiers for Sentinel-1.

    See: https://sentiwiki.copernicus.eu/web/s1-products
    """

    VV = "VV"  # Vertical transmit, Vertical receive
    VH = "VH"  # Vertical transmit, Horizontal receive
    HH = "HH"  # Horizontal transmit, Horizontal receive
    HV = "HV"  # Horizontal transmit, Vertical receive
