obspy.signal.rotate._dip_azimuth2zne_base_vector

_dip_azimuth2zne_base_vector(dip, azimuth)[source]

Helper function converting a vector described with azimuth and dip of unit length to a vector in the ZNE (Vertical, North, East) base.

The definition of azimuth and dip is according to the SEED reference manual.