[yam]Metadata

Blaž Vičič blaz.vicic at gmail.com
Tue Aug 14 17:42:33 CEST 2018


Thanks! Ill try on Thursday. Hopefully Ill find the problematic data.

Cheers

On Tue, Aug 14, 2018, 16:24 Tom Eulenfeld <tom.eulenfeld at uni-jena.de> wrote:

> Hi Blaz, I committed a more verbose exception.
> You can try the dev version of Yam, e.g.
>
> conda uninstall yam
> pip install https://github.com/trichter/yam/archive/master.zip
>
> Cheers,
> Tom
>
>
>
> On 14.08.2018 15:12, Tom Eulenfeld wrote:
> > What would be he desired behavior? Print more information and raise an
> > exception. Or just log the exception and continue with the next
> > iteration. I tend to implement the first option.
> >
> > But there is no hurry, because I found the --pdb option which I
> > implemented (but forgot about).
> > You can find out the time yourself by starting
> >
> > yam --pdb correlate -n1 1
> >
> > and then inspect stream1[0].id and stream1[0].stats.endtime
> > (or stream2[0].id and stream2[0].stats.endtime)
> > when the error occurs.
> >
> > When I think more about it, it might be a problem that I used the
> > endtime and not some time between starttime and endtime. (still assuming
> > there is some kind of gap in the inventory)
> >
> > Cheers,
> > Tom
> >
> >
> >
> > On 14.08.2018 13:11, Blaž Vičič wrote:
> >> I doubt this is the problem of inventory... The miniseeds were
> >> pre-procesed and I removed the response using obspy for all the files
> >> then used them as an input to yam. staxml files in yam are the same i
> >> used for the removal.
> >>
> >> thanks
> >>
> >> On Tue, 14 Aug 2018 at 12:36 Tom Eulenfeld <tom.eulenfeld at uni-jena.de
> >> <mailto:tom.eulenfeld at uni-jena.de>> wrote:
> >>
> >>     Hi Blaz,
> >>
> >>     if the metadata in the miniseed is correct, maybe it is a problem
> >> with
> >>     the inventory information? There could be a gap inside the inventory
> >>     when the station was moved or maintained? Could also be a bug in
> >> obspy.
> >>
> >>     I will add some code to catch the exception and display a more
> >>     meaningful log message.
> >>
> >>     Cheers,
> >>     Tom
> >>
> >>
> >>
> >>     On 14.08.2018 07:30, Blaž Vičič wrote:
> >>      > Hello again.
> >>      > Another day, another problem.
> >>      >
> >>      > I am trying to process few years of data for a set of stations. I
> >>      > already removed the instrumental response and downsampled the
> >>     data. The
> >>      > error I get is this one:
> >>      >
> >>      > (obspy) pb-vicic:proc_2 bvicic$ yam correlate 1
> >>      >
> >>      >
> >>
> >>
> 78%|██████████████████████████████████████████████████████████████████████████████████████████▊
>
> >>
> >>
> >>      > | 2572/3287
> >>     [5:37:02<1:33:41,7.86s/it]multiprocessing.pool.RemoteTraceback:
> >>      >
> >>      > """
> >>      >
> >>      > Traceback (most recent call last):
> >>      >
> >>      > File
> >>      >
> >>
> >>
> "/Users/bvicic/anaconda3/envs/obspy/lib/python3.6/multiprocessing/pool.py",
> >>
> >>
> >>      > line 119, in worker
> >>      >
> >>      > result = (True, func(*args, **kwds))
> >>      >
> >>      > File
> >>      >
> >>
> >>
> "/Users/bvicic/anaconda3/envs/obspy/lib/python3.6/site-packages/yam/correlate.py",
>
> >>
> >>
> >>      > line 569, in correlate
> >>      >
> >>      > stream2[0].id, datetime=stream2[0].stats.endtime)
> >>      >
> >>      > File
> >>      >
> >>
> >>
> "/Users/bvicic/anaconda3/envs/obspy/lib/python3.6/site-packages/obspy/core/inventory/inventory.py",
>
> >>
> >>
> >>      > line 430, in get_coordinates
> >>      >
> >>      > metadata = self.get_channel_metadata(seed_id, datetime)
> >>      >
> >>      > File
> >>      >
> >>
> >>
> "/Users/bvicic/anaconda3/envs/obspy/lib/python3.6/site-packages/obspy/core/inventory/inventory.py",
>
> >>
> >>
> >>      > line 406, in get_channel_metadata
> >>      >
> >>      > raise Exception(msg)
> >>      >
> >>      > Exception: No matching channel metadata found.
> >>      >
> >>      > """
> >>      >
> >>      >
> >>      > The above exception was the direct cause of the following
> >> exception:
> >>      >
> >>      >
> >>      > Traceback (most recent call last):
> >>      >
> >>      > File "/Users/bvicic/anaconda3/envs/obspy/bin/yam", line 11, in
> >>     <module>
> >>      >
> >>      > sys.exit(run_cmdline())
> >>      >
> >>      > File
> >>      >
> >>
> >>
> "/Users/bvicic/anaconda3/envs/obspy/lib/python3.6/site-packages/yam/main.py",
>
> >>
> >>
> >>      > line 388, in run_cmdline
> >>      >
> >>      > run(**args)
> >>      >
> >>      > File
> >>      >
> >>
> >>
> "/Users/bvicic/anaconda3/envs/obspy/lib/python3.6/site-packages/yam/main.py",
>
> >>
> >>
> >>      > line 147, in run
> >>      >
> >>      > run2(command, **args)
> >>      >
> >>      > File
> >>      >
> >>
> >>
> "/Users/bvicic/anaconda3/envs/obspy/lib/python3.6/site-packages/yam/main.py",
>
> >>
> >>
> >>      > line 211, in run2
> >>      >
> >>      > yam.commands.start_correlate(io, **args)
> >>      >
> >>      > File
> >>      >
> >>
> >>
> "/Users/bvicic/anaconda3/envs/obspy/lib/python3.6/site-packages/yam/commands.py",
>
> >>
> >>
> >>      > line 101, in start_correlate
> >>      >
> >>      > total=len(tasks)):
> >>      >
> >>      > File
> >>      >
> >>
> >>
> "/Users/bvicic/anaconda3/envs/obspy/lib/python3.6/site-packages/tqdm/_tqdm.py",
>
> >>
> >>
> >>      > line 930, in __iter__
> >>      >
> >>      > for obj in iterable:
> >>      >
> >>      > File
> >>      >
> >>
> >>
> "/Users/bvicic/anaconda3/envs/obspy/lib/python3.6/multiprocessing/pool.py",
> >>
> >>
> >>      > line 735, in next
> >>      >
> >>      > raise value
> >>      >
> >>      > Exception: No matching channel metadata found.
> >>      >
> >>      >
> >>      > In the first run I did, the error happened somewhere at the
> >>     beginning
> >>      > (iteration 200/3000+) so I checked if maybe my miniseeds have
> >> wrong
> >>      > sta/chan inside. But they are all what they should be. I even
> >>     forced the
> >>      > tr.stats.station/chan to be exactly what I wanted. But the error
> >>      > happened again. So I removed the first year of data, but now the
> >>     error
> >>      > happened again somewhere later in the dataset. Any idea what
> >>     could be
> >>      > wrong or how to go past this? It would be useful if I would
> >> know in
> >>      > which miniseeds to look for the problem.
> >>      >
> >>      > Cheers
> >>      > Blaz
> >>      >
> >>      >
> >>      > _______________________________________________
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