[MSNoise] problems with different sampling rate and gap duration

[Devy Kamil Syahbana]

Hello Thom,

Apa kabar?

MSNoise is great! I've succeeded to install it and happy to see the
results. But sometimes I got problems during the compute_cc process. It is
because some of the data have different sampling rate and/or gaps. These
force MSNoise stops. I could erase these "non-uniform data" manually in the
database and then reset CC and restart the compute_cc. But for a huge
amount of files, it is not convenient. Do you think is it possible to add
several lines in your MSNoise script so that when the data is not uniform,
MSNoise will skip it without stopping the process, but continue to compute
only the good data. Otherwise, I should fix my seismic data conversion. Or
do you have any better suggestions? Below is the error codes I sometime
found.

Traceback (most recent call last):
  File "c:\anaconda\lib\runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "c:\anaconda\lib\runpy.py", line 72, in _run_code
    exec code in run_globals
  File "C:\Anaconda\Scripts\msnoise.exe\__main__.py", line 9, in <module>
  File "c:\anaconda\lib\site-packages\msnoise\scripts\msnoise.py", line
393, in run
    cli(obj={})
  File "c:\anaconda\lib\site-packages\click-5.1-py2.7.egg\click\core.py",
line 700, in __call__
    return self.main(*args, **kwargs)
  File "c:\anaconda\lib\site-packages\click-5.1-py2.7.egg\click\core.py",
line 680, in main
    rv = self.invoke(ctx)
  File "c:\anaconda\lib\site-packages\click-5.1-py2.7.egg\click\core.py",
line 1027, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "c:\anaconda\lib\site-packages\click-5.1-py2.7.egg\click\core.py",
line 873, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "c:\anaconda\lib\site-packages\click-5.1-py2.7.egg\click\core.py",
line 508, in invoke
    return callback(*args, **kwargs)
  File "c:\anaconda\lib\site-packages\msnoise\scripts\msnoise.py", line
174, in compute_cc
    main()
  File "c:\anaconda\lib\site-packages\msnoise\s03compute_cc.py", line 271,
in main
    basetime, tramef_Z = preprocess(db, stations, comps, goal_day, params,
tramef_Z)
  File "c:\anaconda\lib\site-packages\msnoise\s03compute_cc.py", line 130,
in preprocess
    stream[gap[0]] = stream[gap[0]].__add__(stream[gap[1]], method=0,
fill_value="interpolate")
  File
"c:\anaconda\lib\site-packages\obspy-0.10.2-py2.7-win-amd64.egg\obspy\core\trace.py",
line 68
1, in __add__
    raise TypeError("Sampling rate differs")
TypeError: Sampling rate differs

Cheers,

-----

Dr. Devy Kamil Syahbana

Head of Volcano Monitoring Section for Eastern Region of Indonesia

Ministry of Energy and Mineral Resources

Geological Agency

Center for Volcanology and Geological Hazard Mitigation

Jalan Diponegoro N°57

Bandung 40122

Indonesia

http://vsi.esdm.go.id
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