less_add_sensor(fisheye FAMILY optical DISPATCH_TAG 4)
less_add_sensor(orthographic FAMILY optical DISPATCH_TAG 0)
less_add_sensor(perspective FAMILY optical DISPATCH_TAG 1)
less_add_sensor(pushbroom FAMILY optical DISPATCH_TAG 3 OPTICAL_ONLY)
less_add_sensor_response(spectral_bands
    FAMILY optical DIRECTORY spectral_response BINDING)
