filename : str or RSL_radar
Name of file whose format is supported by RSL.
field_names : dict, optional
Dictionary mapping RSL data type names to radar field names. If a
data type found in the file does not appear in this dictionary or has
a value of None it will not be placed in the radar.fields dictionary.
A value of None, the default, will use the mapping defined in the
Py-ART configuration file.
additional_metadata : dict of dicts, optional
Dictionary of dictionaries to retrieve metadata from during this read.
This metadata is not used during any successive file reads unless
explicitly included. A value of None, the default, will not
introduct any addition metadata and the file specific or default
metadata as specified by the Py-ART configuration file will be used.
file_field_names : bool, optional
True to use the RSL data type names for the field names. If this
case the field_names parameter is ignored. The field dictionary will
likely only have a ‘data’ key, unless the fields are defined in
additional_metadata.
exclude_fields : list or None, optional
List of fields to exclude from the radar object. This is applied
after the file_field_names and field_names parameters.
radar_format : str or None
Format of the radar file. Must be ‘wsr88d’ or None.
callid : str or None
Four letter NEXRAD radar Call ID, only used when radar_format is
‘wsr88d’.
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