114 lines
3.8 KiB
Markdown
114 lines
3.8 KiB
Markdown
# PyLoT
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version: 0.3
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The Python picking and Localisation Tool
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This python library contains a graphical user interfaces for picking seismic phases. This software needs [ObsPy][ObsPy]
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and the PySide2 Qt5 bindings for python to be installed first.
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PILOT has originally been developed in Mathworks' MatLab. In order to distribute PILOT without facing portability
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problems, it has been decided to redevelop the software package in Python. The great work of the ObsPy group allows easy
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handling of a bunch of seismic data and PyLoT will benefit a lot compared to the former MatLab version.
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The development of PyLoT is part of the joint research project MAGS2, AlpArray and AdriaArray.
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## Installation
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At the moment there is no automatic installation procedure available for PyLoT. Best way to install is to clone the
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repository and add the path to your Python path.
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It is highly recommended to use Anaconda for a simple creation of a Python installation using either the *pylot.yml* or the *requirements.txt* file found in the PyLoT root directory. First make sure that the *conda-forge* channel is available in your Anaconda installation:
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conda config --add channels conda-forge
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Afterwards run (from the PyLoT main directory where the files *requirements.txt* and *pylot.yml* are located)
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conda env create -f pylot.yml
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or
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conda create -c conda-forge --name pylot_311 python=3.11 --file requirements.txt
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to create a new Anaconda environment called *pylot_311*.
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Afterwards activate the environment by typing
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conda activate pylot_311
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#### Prerequisites:
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In order to run PyLoT you need to install:
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- Python 3
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- cartopy
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- joblib
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- obspy
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- pyaml
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- pyqtgraph
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- pyside2
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(the following are already dependencies of the above packages):
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- scipy
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- numpy
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- matplotlib
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#### Some handwork:
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PyLoT needs a properties folder on your system to work. It should be situated in your home directory
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(on Windows usually C:/Users/*username*):
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mkdir ~/.pylot
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In the next step you have to copy some files to this directory:
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*for local distance seismicity*
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cp path-to-pylot/inputs/pylot_local.in ~/.pylot/pylot.in
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*for regional distance seismicity*
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cp path-to-pylot/inputs/pylot_regional.in ~/.pylot/pylot.in
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*for global distance seismicity*
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cp path-to-pylot/inputs/pylot_global.in ~/.pylot/pylot.in
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and some extra information on error estimates (just needed for reading old PILOT data) and the Richter magnitude scaling
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relation
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cp path-to-pylot/inputs/PILOT_TimeErrors.in path-to-pylot/inputs/richter_scaling.data ~/.pylot/
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You may need to do some modifications to these files. Especially folder names should be reviewed.
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PyLoT has been tested on Mac OSX (10.11), Debian Linux 8 and on Windows 10.
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## Release notes
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#### Features:
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- event organisation in project files and waveform visualisation
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- consistent manual phase picking through predefined SNR dependant zoom level
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- consistent automatic phase picking routines using Higher Order Statistics, AIC and Autoregression
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- interactive tuning of auto-pick parameters
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- uniform uncertainty estimation from waveform's properties for automatic and manual picks
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- pdf representation and comparison of picks taking the uncertainty intrinsically into account
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- Richter and moment magnitude estimation
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- location determination with external installation of [NonLinLoc](http://alomax.free.fr/nlloc/index.html)
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#### Known issues:
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We hope to solve these with the next release.
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## Staff
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Original author(s): M. Rische, S. Wehling-Benatelli, L. Kueperkoch, M. Bischoff (PILOT)
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Developer(s): S. Wehling-Benatelli, M. Paffrath, L. Kueperkoch, K. Olbert, M. Bischoff, C. Wollin, M. Rische, D. Arnold, K. Cökerim, S. Zimmermann
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Others: A. Bruestle, T. Meier, W. Friederich
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[ObsPy]: http://github.com/obspy/obspy/wiki
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August 2024
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