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dastools-0.8b2
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dastools: Tools to work with data generated by DAS systems
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | dastools-0.8b2 |
| نام | dastools |
| نسخه کتابخانه | 0.8b2 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Javier Quinteros |
| ایمیل نویسنده | javier@gfz-potsdam.de |
| آدرس صفحه اصلی | https://git.gfz-potsdam.de/javier/dastools |
| آدرس اینترنتی | https://pypi.org/project/dastools/ |
| مجوز | GPLv3 |
dastools
========
.. image:: https://img.shields.io/pypi/v/dastools.svg
:target: https://img.shields.io/pypi/v/dastools.svg
.. image:: https://img.shields.io/pypi/pyversions/dastools.svg
:target: https://img.shields.io/pypi/pyversions/dastools.svg
.. image:: https://img.shields.io/pypi/format/dastools.svg
:target: https://img.shields.io/pypi/format/dastools.svg
.. image:: https://img.shields.io/pypi/status/dastools.svg
:target: https://img.shields.io/pypi/status/dastools.svg
Tools to work with data generated by DAS systems.
Overview
--------
This package provides a set of tools to read, manipulate and convert seismic waveforms
generated by DAS systems. In particular, the ones saved in TDMs format.
dasconv
-------
This utility lets you convert and manipulate seismic waveforms in TDMs format and export them into MiniSEED.
Data acquired from experiments with DAS systems are usually stored in one folder. Files within this folder have names
indicating the experiment and the start time of the waveforms saved. An example of the files generated in a test
experiment is shown below. ::
$ ls -l
total 1577352
-rwxrwxrwx 1 user staff 49965056 May 8 09:38 default_UTC_20190508_093735.409.tdms
-rwxrwxrwx 1 user staff 49965056 May 8 09:38 default_UTC_20190508_093805.409.tdms
-rwxrwxrwx 1 user staff 49965056 May 8 09:39 default_UTC_20190508_093835.409.tdms
-rwxrwxrwx 1 user staff 49965056 May 8 09:39 default_UTC_20190508_093905.409.tdms
-rwxrwxrwx 1 user staff 49965056 May 8 09:40 default_UTC_20190508_093935.409.tdms
-rwxrwxrwx 1 user staff 49965056 May 8 09:40 default_UTC_20190508_094005.409.tdms
-rwxrwxrwx 1 user staff 49965056 May 8 09:41 default_UTC_20190508_094035.409.tdms
-rwxrwxrwx 1 user staff 49965056 May 8 09:41 default_UTC_20190508_094105.409.tdms
-rwxrwxrwx 1 user staff 49965056 May 8 09:42 default_UTC_20190508_094135.409.tdms
There, *default* is the name of the experiment and the rest is the start time with the following format:
*experiment_TZ_YYYYMMDD_HHmmss.fff.tdms*.
``dasconv`` provides also a TDMS class which needs to receive one mandatory parameter to be instantiated,
*filename*, which is actually the experiment name and how all file names in the containing folder start with.
A detailed explanation on how to use it on your own programs can be found in the documentation.
A typical help message from ``dasconv`` looks like the following: ::
usage: dasconv [-h] [-l {CRITICAL,ERROR,WARNING,INFO,DEBUG}] [-d DIRECTORY]
[--start START] [--end END] [--chstart CHSTART]
[--chstop CHSTOP] [--chstep CHSTEP] [--decimate {1,5}]
[-N NETWORK] [-C CHANNEL] [-o {SDS,StreamBased,StreamBasedHour}]
[--metadata] [-V] filename
Read, manipulate and convert seismic waveforms generated by a DAS system.
positional arguments:
filename Experiment to read and process. It is usually the
first part of the filenames.
optional arguments:
-h, --help show this help message and exit
-l {CRITICAL,ERROR,WARNING,INFO,DEBUG}, --loglevel {CRITICAL,ERROR,WARNING,INFO,DEBUG}
Verbosity in the output.
-d DIRECTORY, --directory DIRECTORY
Directory where files are located (default: ".")
--start START, --starttime START
Start of the selected time window. Format:
2019-02-01T00:01:02.123456Z
--end END, --endtime END
End of the selected time window. Format:
2019-02-01T00:01:02.123456Z
--chstart CHSTART First channel to export
--chstop CHSTOP Last channel to export
--chstep CHSTEP Step between channels in the selection
--decimate {1,5} Factor by which the sampling rate is lowered by
decimation.
-N NETWORK, --network NETWORK
Network code to store in the miniseed header (default: "XX")
-C CHANNEL, --channel CHANNEL
Channel code to store in the miniseed header (default: "FSF")
-o {SDS,StreamBased,StreamBasedHour}, --outstruct {SDS,StreamBased,StreamBasedHour}
Available options are [SDS, StreamBased, StreamBasedHour]
--metadata Read and display the metadata from the TDMS files
-V, --version show program's version number and exit
Examples
~~~~~~~~
Export waveforms from channels 800, 802 and 804 starting at 2019-05-08T09:37:35.409000 until 2019-05-08T09:38:05.400000.
The waveforms will be exported to MiniSEED format after being decimated by a factor of 5 (e.g. from 1000Hz to 200Hz). ::
dasconv -d /home/user/test/ --start "2019-05-08T09:37:35.409000" --end "2019-05-08T09:38:05.400000" default --chstart 800 --chstop 805 --chstep 2
Export waveforms from channels 0 and 1 from the beginning of the measurements until 2019-05-08T09:32:15.
The waveforms will be exported to MiniSEED format after being decimated by a factor of 5 (e.g. from 1000Hz to 200Hz). ::
dasconv -d /home/user/test/ --endtime "2019-05-08T09:32:15" default --chstart 0 --chstop 1
Export waveforms from channels 0 to 4 from the beginning of the measurements until 2019-05-08T09:32:15.
The waveforms will be exported to MiniSEED format after being decimated by a factor of 5 (e.g. from 1000Hz to 200Hz). ::
dasconv -d /home/user/test/ --endtime "2019-05-08T09:32:15" default --chstart 0 --chstop 4 --decimate 5
tdmsws (experimental)
---------------------
tdmsws is a stand-alone implementation of the FDSN Dataselect web service, which is able to serve miniSEED data extracted
from a folder with TDMS files.
A typical help message from ``tdmsws`` looks like the following: ::
% tdmsws -h
usage: tdmsws [-h] [-mc] [-l {DEBUG,WARNING,INFO,DEBUG}]
tdmsws is an FDSN Dataselect implementation to read TDMS files
optional arguments:
-h, --help show this help message and exit
-mc, --minimalconfig Generate a minimal configuration file.
-l {DEBUG,WARNING,INFO,DEBUG}, --log {DEBUG,WARNING,INFO,DEBUG}
Increase the verbosity level.
The "mc" switch creates a config file, which should be placed in the same folder as the TDMS files. The file includes
all needed options and configuration variables which will be read by the software before being able to serve the data.
The user is expected to edit this file and provide the basic information about the DAS experiment before running the
service.
One can see below a typical config file. ::
[General]
experiment = default
loglevel = INFO
[NSLC]
network = XX
location =
channel = FSF
The "experiment" variable refers to the first part of the filenames in the folder. For instance, in the example above
all files will start with "default" and then a timestamp including the timezone (or UTC) will follow. ::
$ ls -l
total 1577352
-rwxrwxrwx 1 user staff 49965056 May 8 09:38 default_UTC_20190508_093735.409.tdms
-rwxrwxrwx 1 user staff 49965056 May 8 09:38 default_UTC_20190508_093805.409.tdms
-rwxrwxrwx 1 user staff 49965056 May 8 09:39 default_UTC_20190508_093835.409.tdms
The variables "network", "location" and "channel" will be fixed to define the N.S.L.C code. Only the station will vary
and it will always be a number referring to the stream number for the experiment. From the example above, the only valid
code would be "XX.00001..FSF", "XX.00002..FSF", ..., "XX.00123..FSF" up to all available streams.
Running the service
~~~~~~~~~~~~~~~~~~~
To run the service you should "cd" into the folder with the TDMS files and make sure that there is a file called
"tdmsws.cfg" with its variables properly configured. Then, you can simply call the program, which will start and run
as a daemon. The service will listen to all requests in port 7000.
Web service methods
~~~~~~~~~~~~~~~~~~~
* query: The six required parameters "net", "sta", "loc", "cha", "start", and "end" are supported including their aliases. Errors are returned as specified in the standard.
* version: returns the version number in text/plain format
* application.wadl: returns details about implemented and supported options and parameters
* queryauth: NOT implemented yet!
Acknowledgments
---------------
This work was done as part of the `EOSC-Pillar <https://eosc-pillar.eu/>`_ project, which has received funding from the
European Union’s Horizon 2020 research and innovation program under Grant Agreement Number 857650, as well as the
`RISE <http://www.rise-eu.org/home/>`_ project, also supported by the European Union’s Horizon 2020 research and
innovation program under Grant Agreement Number 821115.
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3 | Python |
نحوه نصب
نصب پکیج whl dastools-0.8b2:
pip install dastools-0.8b2.whl
نصب پکیج tar.gz dastools-0.8b2:
pip install dastools-0.8b2.tar.gz