obspy.io.sac.sactrace.SACTrace.validate¶
- SACTrace.validate(*tests)[source]¶
Check validity of loaded SAC file content, such as header/data consistency.
Parameters: tests (str) One or more of the following validity tests: ‘delta’ : Time step “delta” is positive. ‘logicals’ : Logical values are 0, 1, or null ‘data_hdrs’ : Length, min, mean, max of data array match header
values.‘enums’ : Check validity of enumerated values. ‘reftime’ : Reference time values in header are all set. ‘reltime’ : Relative time values in header are absolutely
referenced.‘all’ : Do all tests.
Raises: SacInvalidContentError if any of the specified tests fail. ValueError if ‘data_hdrs’ is specified and data is None, empty array, or no tests specified. Example
>>> sac = SACTrace.read(filename) >>> try: sac.validate('delta') except SacInvalidContentError as e: # i'm sure this is what they meant:-) sac.delta *= -1.0 sac.validate('delta')
>>> sac.data += 5.0 >>> try: sac.validate('data_hdrs') except SacInvalidContentError: sac._flush_headers() sac.validate('data_hdrs')