[MSNoise] [EXTERNAL] Re: Possible to use data from ref2mseed?
Abbott, Robert E
reabbot at sandia.gov
Wed Jan 22 15:53:58 UTC 2014
Data is on its way to youŠ
+----------------------------+
Robert E. Abbott, Ph.D.
Sandia National Laboratories
Geophysics Department MS 0750
P.O. Box 5800
Albuquerque, NM 87185-0750
(505) 845-0266
+----------------------------+
On 1/22/14 8:27 AM, "Thomas Lecocq" <thomas.lecocq at oma.be> wrote:
>Rob,
>Le 22/01/2014 16:20, Abbott, Robert E a écrit :
>> The filenames take the serial number of the DAS automatically. I do not
>> think this behavior can be changed during conversion The header values
>> are populated by a parameter file input by the user. Below is a few
>>lines
>> of the parameter file:
>>
>>
>>#das;refchan;refstrm;netcode;station;channel;loccode;encoding;samplerate;
>>ga
>> in
>> BACB; 1; 1; PA; CE1; HHZ; 00; INT32; 125; x1
>> BACB; 2; 1; PA; CE1; HHN; 00; INT32; 125; x1
>> BACB; 3; 1; PA; CE1; HHE; 00; INT32; 125; x1
>> B9F0; 1; 1; PA; R1A; HHZ; 00; INT32; 125; x1
>>
>>
>> I can change the 'station' parameter to match the 'das' parameter, or
>> write a script to batch rename the files to match the 'station'. I
>>think I
>> would prefer to do the latter, as the DAS serial number has no
>>geographic
>> significance, unlike the station value. For instance R1A, R1B are on
>>Ring
>> 1 of the array and R2A, R2B are Ring 2, etc. CE1 is the center element
>>of
>> the array.
>Yes, that would make sense, even for pure archive maintenance
>considerations
>>
>> Do you want me to send you renamed data?
>Yes, go ahead !
>
>Thom
>
>>
>> Best,
>> Rob
>>
>>
>>
>> +----------------------------+
>>
>> Robert E. Abbott, Ph.D.
>> Sandia National Laboratories
>> Geophysics Department MS 0750
>> P.O. Box 5800
>> Albuquerque, NM 87185-0750
>> (505) 845-0266
>> +----------------------------+
>>
>>
>>
>>
>>
>> On 1/22/14 1:43 AM, "Thomas Lecocq" <thomas.lecocq at oma.be> wrote:
>>
>>> Hi Rob,
>>>
>>> I can read those files. I'm a little concerned by the fact the station
>>> name in the filename is not the station name in the actual data
>>> contained in the file. That is strange, and this could be a problem.
>>> Indeed, the station table is populated from the filenames, and the
>>> archive is scanned searching for selected stations in the
>>>configuration.
>>> But, the scan reads data within the file and stores metadata in the
>>> database, and these metadata have different station names.
>>>
>>> Do you have an idea why the names don't match ?
>>>
>>> Thomas
>>>
>>> Le 20/01/2014 23:30, Abbott, Robert E a écrit :
>>>> Thomas,
>>>>
>>>> New files are on the way to you. I changed conversion algorithm from
>>>> 'ref2mseed' to 'rt2ms' (also from PASSCAL, but more modern). rt2ms
>>>> produces much the same naming scheme except it has a YYYY format
>>>>instead
>>>> of a YY, among other changes.
>>>>
>>>> Hope this helps,
>>>> Rob
>>>>
>>>> +----------------------------+
>>>> Robert E. Abbott, Ph.D.
>>>> Sandia National Laboratories
>>>> Geophysics Department MS 0750
>>>> P.O. Box 5800
>>>> Albuquerque, NM 87185-0750
>>>> (505) 845-0266
>>>> +----------------------------+
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On 1/14/14 2:35 PM, "Thomas Lecocq" <thomas.lecocq at oma.be> wrote:
>>>>
>>>>> Rob,
>>>>>
>>>>> Le 14.01.2014 21:40, Abbott, Robert E a écrit :
>>>>>> Thanks, Thomas. I am on travel right now, so I will have to get you
>>>>>> the parameters Monday. There is a finite chance I screwed up and
>>>>>>gave
>>>>>> you SEG-Y files, they are named similarly. If that is the case, I
>>>>>> apologize for the confusion.
>>>>> I tried reading SEG-Y but it doesn't work either. Let's wait till
>>>>> Monday
>>>>> to check !
>>>>>
>>>>> Cheers
>>>>>
>>>>> Thomas
>>>>>
>>>>>> Sent from my iPad
>>>>>>
>>>>>>> On Jan 14, 2014, at 10:27 AM, "Thomas Lecocq"
>>>>>>><thomas.lecocq at oma.be>
>>>>>>> wrote:
>>>>>>>
>>>>>>> Hi Rob,
>>>>>>>
>>>>>>> OK, got your files. I can modify the code to automatically find the
>>>>>>> stations, that's OK.
>>>>>>>
>>>>>>> But, I can't read them in Python. Although you state it's MiniSeed
>>>>>>> (and I believe you :-) ), I can't find the proper parameters to
>>>>>>>read
>>>>>>> them. Did you pass any argument to the converter ? Are you able to
>>>>>>> open them using another tool ?
>>>>>>>
>>>>>>> Cheers,
>>>>>>>
>>>>>>> Thomas
>>>>>>>
>>>>>>> Le 10.01.2014 18:18, Abbott, Robert E a écrit :
>>>>>>>> Thomas,
>>>>>>>> Thanks for very much for your help. I will send you some data,
>>>>>>>>but 3
>>>>>>>> days,
>>>>>>>> 3 stations is quite a large data volume as my sample rate is 200
>>>>>>>>Hz.
>>>>>>>> Do
>>>>>>>> you have a dropbox.com account? That has worked in the past for
>>>>>>>>me.
>>>>>>>> Alternatively, I could send just an hour or two of data per day...
>>>>>>>> Thanks,
>>>>>>>> Rob
>>>>>>>> +----------------------------+
>>>>>>>> Robert E. Abbott, Ph.D.
>>>>>>>> Sandia National Laboratories
>>>>>>>> Geophysics Department MS 0750
>>>>>>>> P.O. Box 5800
>>>>>>>> Albuquerque, NM 87185-0750
>>>>>>>> (505) 845-0266
>>>>>>>> +----------------------------+
>>>>>>>>> On 1/10/14 9:06 AM, "Thomas Lecocq" <thomas.lecocq at oma.be> wrote:
>>>>>>>>> Hi Rob,
>>>>>>>>> Yes, it is definitively possible. Highly dependant on your python
>>>>>>>>> skills, I'm afraid...
>>>>>>>>> The data structure will be something like :
>>>>>>>>> data_structure['ref2mseed'] =
>>>>>>>>>"RDAY.LOC/YEAR.DAY.HOUR.MIN.STA.CHAN"
>>>>>>>>> but:
>>>>>>>>> I assume yy is a 2digit year format ? Then YEAR will not work, we
>>>>>>>>> need
>>>>>>>>> to put YY and define it in the reader (in populate station table)
>>>>>>>>> I set STA to your instrument number, which I suppose are located
>>>>>>>>>at
>>>>>>>>> a
>>>>>>>>> unique position within this very archive.
>>>>>>>>> I can help writing the reader part (populate station table). I'm
>>>>>>>>> not
>>>>>>>>> quite sure how the scan_archive process will (dis)like such a bad
>>>>>>>>> structure (no net/ or sta/ folders)...
>>>>>>>>> If you provide me some data, say 3 days, 3 stations, I can test
>>>>>>>>>the
>>>>>>>>> code
>>>>>>>>> on it...
>>>>>>>>> Best regards from Brussels,
>>>>>>>>> Thomas
>>>>>>>>> Le 09/01/2014 22:43, Abbott, Robert E a écrit :
>>>>>>>>>> Greetings,
>>>>>>>>>> Is it possible to use MSNoise on data generated from the PASSCAL
>>>>>>>>>> Instrument Center utility "ref2mseed" (the data is from Reftek
>>>>>>>>>>130
>>>>>>>>>> digitizers). The data is named like this:
>>>>>>>>>> Rddd.0S/yy.ddd.hh.mm.ss.iiii.c
>>>>>>>>>> where
>>>>>>>>>> yy -- year of the record
>>>>>>>>>> ddd -- julian day of the record
>>>>>>>>>> S -- data stream of the instrument (usually
>>>>>>>>>>1)
>>>>>>>>>> hh -- hour the record was recorded
>>>>>>>>>> mm -- minute the record was recorded
>>>>>>>>>> iiii -- instrument number
>>>>>>>>>> c -- channel number
>>>>>>>>>> How would I format the data_structure parameter>
>>>>>>>>>> Thanks,
>>>>>>>>>> Rob
>>>>>>>>>> +----------------------------+
>>>>>>>>>> Robert E. Abbott, Ph.D.
>>>>>>>>>> Sandia National Laboratories
>>>>>>>>>> Geophysics Department MS 0750
>>>>>>>>>> P.O. Box 5800
>>>>>>>>>> Albuquerque, NM 87185-0750
>>>>>>>>>> (505) 845-0266
>>>>>>>>>> +----------------------------+
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