add_splitbeam_angle

echopype.consolidate.add_splitbeam_anglesource_Sv: TrueDataset

Add split-beam (alongship/athwartship) angles into the Sv dataset. This function calculates the alongship/athwartship angle using data stored in the Sonar/Beam_groupX groups of an EchoData object.

In cases when angle data does not already exist or cannot be computed from the data, an error is issued and no angle variables are added to the dataset.

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Split-beam angle data potentially exist for the Simrad EK60 or EK80 echosounders with split-beam transducers and configured to store angle data (along with power samples) or store raw complex samples.

In most cases where the type of samples collected by the echosounder (power/angle samples or complex samples) and the transmit waveform (broadband or narrowband) are identical across all channels, the channels existing in source_Sv and ` echodata` will be identical. If this is not the case, only angle data corresponding to channels existing in source_Sv will be added.