CASA task to quickly inspect a MS for RFI by plotting time vs frequency vs amplitude
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README.md
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README.md

plot3d

CASA task to quickly inspect a measurement set for RFI by plotting time vs frequency vs amplitude.

plot3d is designed to retain peak amplitudes of RFI spikes while performing data compression to speed up plotting. Your measurement set remains read-only throughout the task. If your data contains multiple scans, gaps between scans will be reset to 5 integration timescales.

Latest version: 1.5 (download here)

Tested with: CASA Version 4.7.0

Written by Christopher A. Hales. Correspondence regarding plot3d is always welcome.

plot3d is released under a BSD 3-Clause License (open source, commercially useable); refer to LICENSE for details.

An example screenshot of the 3D-rotatable view produced by plot3d is shown below: screenshot

Installation

Download the latest version of the source files from here.

Place the source files into a directory containing your measurement set. Without changing directories, open CASA and type

os.system('buildmytasks')

then exit CASA. A number of files should have been produced, including mytasks.py. Reopen CASA and type

execfile('mytasks.py')

To see the parameter listing, type

inp plot3d

For more details on how plot3d works, type

help plot3d

Now set some parameters and press go!

For a more permanent installation, go to the hidden directory .casa which resides in your home directory and create a file called init.py. In this file, put the line

execfile('/<path_to_task_directory>/mytasks.py')

Acknowledging use of plot3d

plot3d is provided in the hope that it (or elements of its code) will be useful for your work. If you find that it is, I would appreciate your acknowledgement by citing DOI as follows (note the AAS guidelines for citing software):

Hales, C. A. 2016, plot3d, v1.5, doi:10.5281/zenodo.162986, as developed on GitHub