Read functions for THEMIS ASI PGM raw files
Project description
THEMIS All-Sky Imager Raw PGM Data Readfile
Python library for reading THEMIS All-Sky Imager (ASI) stream0 raw PGM-file data. The data can be found at https://data.phys.ucalgary.ca or http://themis.igpp.ucla.edu/index.shtml.
Supported Datasets
- THEMIS ASI raw: stream0 PGM files
Installation
The themis-imager-readfile library is available on PyPI:
$ python3 -m pip install themis-imager-readfile
Supported Python Versions
themis-imager-readfile officially supports Python 3.8+.
Examples
Example Python notebooks can be found in the "examples" directory. Further, some examples can be found in the "Usage" section below.
Usage
Import the library using import themis_imager_readfile
Warning: On Windows, be sure to put any read
calls into a main()
method. This is because we utilize the multiprocessing library and the method of forking processes in Windows requires it. Note that if you're using Jupyter or other IPython-based interfaces, this is not required.
Read a single file
>>> import themis_imager_readfile
>>> filename = "path/to/data/2020/01/01/atha_themis02/ut06/20200101_0600_atha_themis02_full.pgm.gz"
>>> img, meta, problematic_files = themis_imager_readfile.read(filename)
Read multiple files
>>> import themis_imager_readfile, glob
>>> file_list = glob.glob("path/to/files/2020/01/01/atha_themis02/ut06/*full.pgm*")
>>> img, meta, problematic_files = themis_imager_readfile.read(file_list)
Read using multiple worker processes
>>> import themis_imager_readfile, glob
>>> file_list = glob.glob("path/to/files/2020/01/01/atha_themis02/ut06/*full.pgm*")
>>> img, meta, problematic_files = themis_imager_readfile.read(file_list, workers=4)
Development
Clone the repository and install dependencies using Poetry.
$ git clone https://github.com/ucalgary-aurora/themis-imager-readfile.git
$ cd themis-imager-readfile/python
$ make install
Testing
$ make test
[ or do each test separately ]
$ make test-flake8
$ make test-pylint
$ make test-pytest
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