[MSNoise] MSNoise Digest, Vol 31, Issue 5
Esteban Chaves
echfisica at gmail.com
Fri Oct 7 17:23:07 UTC 2016
Thanks Thomas!
We will!
-Esteban
> On Oct 7, 2016, at 5:00 AM, msnoise-request at mailman-as.oma.be wrote:
>
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> Today's Topics:
>
> 1. Re: MSNoise Digest, Vol 31, Issue 1 (VICIC BLAZ [PHD0900016])
> 2. Re: MSNoise Digest, Vol 31, Issue 1 (Thomas Lecocq)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 7 Oct 2016 05:49:18 +0000
> From: "VICIC BLAZ [PHD0900016]" <BLAZ.VICIC at phd.units.it>
> To: "Python Package for Monitoring Seismic Velocity Changes using
> AmbientSeismic Noise" <msnoise at mailman-as.oma.be>
> Subject: Re: [MSNoise] MSNoise Digest, Vol 31, Issue 1
> Message-ID:
> <VI1PR04MB1389D35A8164302922C86CB9A3C60 at VI1PR04MB1389.eurprd04.prod.outlook.com>
>
> Content-Type: text/plain; charset="Windows-1252"
>
> Thank you on clarification of responses!
>
>
> Bla?
>
> ________________________________
> From: msnoise-bounces at mailman-as.oma.be <msnoise-bounces at mailman-as.oma.be> on behalf of Flinders, Ashton <aflinders at usgs.gov>
> Sent: Friday, October 7, 2016 1:16:46 AM
> To: Python Package for Monitoring Seismic Velocity Changes using AmbientSeismic Noise
> Subject: Re: [MSNoise] MSNoise Digest, Vol 31, Issue 1
>
> Thanks for all the info Thomas! I'm coming from an AN tomography
> background, so things are a little different to me, e.g. I tend to
> preprocess, whiten and do the CC over a broad band, and then do different
> narrow-band filtering on the final stacked CC to get my frequency-band
> dependent dt's.
>
> I look forward to actively contributing, so I'll be sure to push any
> problems I encounter to the github thread too.
>
> On a sidenote, is the python3 version stable, or still a work in progress?
>
> thanks again!
>
> ashton
>
> On Thu, Oct 6, 2016 at 1:30 PM, Thomas Lecocq <Thomas.Lecocq at seismology.be>
> wrote:
>
>> Dear All,
>>
>> small note here:
>>
>> pleaaaase, if something is not clear in the Documentation and you think
>> that, after asking your questions and getting answers from the mailing
>> list, you have suggestions to be more accurate, precise or else, don't
>> hesitate to suggest changes (via github issues, pull requests or even
>> email), it'll be beneficial to all users!
>>
>> I'm the worst person to write doc about MSNoise, because I know it too
>> well.
>>
>> Cheers
>>
>> Thomas
>>
>>
>>
>> On 06/10/2016 19:17, Esteban Chaves wrote:
>>
>>> Hi Ashton,
>>>
>>> As an active user:
>>>
>>> I highly recommend you to check the documentation:
>>> http://msnoise.org/doc/workflow.html#module-msnoise.s03compute_cc <
>>> http://msnoise.org/doc/workflow.html#module-msnoise.s03compute_cc>
>>> I think the pre-processing and processing steps are well documented in
>>> the web site.
>>>
>>> 1) Yes. It is more efficient to compute the cross-correlation functions
>>> or Green?s functions using 30-min chunks. Although you can change this
>>> feature if you will. Segments are re-build afterwards.
>>>
>>> 2) You need to define the filters in order to compute the
>>> cross-correlations and extract the coherent part of the ambient noise for a
>>> given frequency range. MWCS is used to compute the moving window cross
>>> spectral analysis after the cross-correlation procedure.
>>>
>>> 3) dunno. May be Thomas can give you more info.
>>>
>>> -Esteban J. Chaves
>>>
>>>
>>> On Oct 6, 2016, at 5:00 AM, msnoise-request at mailman-as.oma.be wrote:
>>>>
>>>> Send MSNoise mailing list submissions to
>>>> msnoise at mailman-as.oma.be
>>>>
>>>> To subscribe or unsubscribe via the World Wide Web, visit
>>>> http://mailman-as.oma.be/mailman/listinfo/msnoise
>>>> or, via email, send a message with subject or body 'help' to
>>>> msnoise-request at mailman-as.oma.be
>>>>
>>>> You can reach the person managing the list at
>>>> msnoise-owner at mailman-as.oma.be
>>>>
>>>> When replying, please edit your Subject line so it is more specific
>>>> than "Re: Contents of MSNoise digest..."
>>>>
>>>>
>>>> Today's Topics:
>>>>
>>>> 1. new user (Flinders, Ashton)
>>>>
>>>>
>>>> ----------------------------------------------------------------------
>>>>
>>>> Message: 1
>>>> Date: Wed, 5 Oct 2016 13:10:53 -0700
>>>> From: "Flinders, Ashton" <aflinders at usgs.gov>
>>>> To: <msnoise at mailman-as.oma.be>
>>>> Subject: [MSNoise] new user
>>>> Message-ID:
>>>> <CAPbWHEO7J_9dyMdKJ3SQkpGy9hG7N1M-COwgzGTpkVmy85ig5g at mail.
>>>> gmail.com>
>>>> Content-Type: text/plain; charset="UTF-8"
>>>>
>>>> Hi all, long-time obspy user new MSnoise user.
>>>>
>>>> I just had a couple quick questions I was hoping to get clarification on;
>>>>
>>>> From the SRL article;
>>>>>
>>>> "Once all waveforms are loaded in memory, the computation is done by
>>>> iteration of the station pairs, on the different components to compute
>>>> and
>>>> the on the different filters for each defined window (30 minutes slices
>>>> by
>>>> default)."
>>>>
>>>> 1) To be clear, the two time-series from a station-station pair are
>>>> divided
>>>> into segments (30 minutes long, no overlap, by default), and the CC is
>>>> done
>>>> on these segments? Are these segments then rebuilt into the daily CCF? Is
>>>> this segmentation purely for efficieny reasons, or is there something
>>>> else
>>>> going on?
>>>>
>>>> 2) Why does msnoise compute_cc, not work if there is no MCWS filter
>>>> defined?
>>>>
>>>> 3) Is there an intelligent way to search the mailing list archive?
>>>>
>>>> Thanks for the help!
>>>>
>>>> -ashton
>>>>
>>>>
>>>> ------------------------------
>>>>
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>>>>
>>>> End of MSNoise Digest, Vol 31, Issue 1
>>>> **************************************
>>>>
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>
>
>
> --
> Ashton F. Flinders, Ph.D
> U.S. Geological Survey
> 345 Middlefield Road
> Menlo Park, CA 94025
> (650) 329-5050
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>
> ------------------------------
>
> Message: 2
> Date: Fri, 7 Oct 2016 10:28:48 +0200
> From: Thomas Lecocq <thomas.lecocq at oma.be>
> To: msnoise at mailman-as.oma.be
> Subject: Re: [MSNoise] MSNoise Digest, Vol 31, Issue 1
> Message-ID: <570e92d8-4cee-bdbf-1184-173420e947e2 at oma.be>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> Hi Ashton,
>
> For you to know, we are "about" to release MSNoise-TOMO "soon"...
>
> The python3 version is as stable as the python2 one, both are tested
> continuously on independent CI services (Travis for Linux & Appveyor for
> Windows).
>
> Note that this holds "as long as" I don't need py3 specific things in
> the code base, because if this happens, I'll drop py2 support.
> Aaaaanyway, py2 end of life is 2020.
>
> Cheers,
>
> Thomas
>
>
> Le 07/10/2016 ? 01:16, Flinders, Ashton a ?crit :
>> Thanks for all the info Thomas! I'm coming from an AN tomography
>> background, so things are a little different to me, e.g. I tend to
>> preprocess, whiten and do the CC over a broad band, and then do different
>> narrow-band filtering on the final stacked CC to get my frequency-band
>> dependent dt's.
>>
>> I look forward to actively contributing, so I'll be sure to push any
>> problems I encounter to the github thread too.
>>
>> On a sidenote, is the python3 version stable, or still a work in progress?
>>
>> thanks again!
>>
>> ashton
>>
>> On Thu, Oct 6, 2016 at 1:30 PM, Thomas Lecocq <Thomas.Lecocq at seismology.be>
>> wrote:
>>
>
>
>
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>
> End of MSNoise Digest, Vol 31, Issue 5
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