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Radio Astronomy Gain and Visibility Inspector

Project description

ragavi

Radio Astronomy Gain and Visibility Inspector

Introduction

This library mainly requires
  1. Bokeh

  2. Python casacore

  3. Daskms

  4. Datashader

  5. Nodejs>=8

- Install build dependencies:

** Python casacore comes as a dependency of Daskms ** Nodejs is a requirement for Bokeh and can be installed using the commands

$ sudo apt-get install curl
$ curl -sL https://deb.nodesource.com/setup_8.x | bash -
$ apt-get install -y nodejs

All python requirements are found in requirements.txt

or

To install nodejs in the virtual environment, use: nodeenv, a nodejs virtual environment. More info can be found here

Create nodejs virtual environment with:

$ nodeenv envName

and

$ . envName/bin/activate

to switch to environment.

Installation

Installation from source, working directory where source is checked out

$ pip install .

This package is available on PYPI via

$ pip install ragavi

Usage

Ragavi currently has two segements:
  1. Gain plotter

  2. Visibility plotter

For the gain plotter, the name-space ragavi-vis is used. To get help for this

$ ragavi-gains -h

To use ragavi gain plotter

$ ragavi-gains -t /path/to/your/table -g table_type (K / B/ F/ G/ D)

Multiple tables can be plotted on the same document simply by adding them in a space separated list to the -t / --table switch. They must however be accompanied by their respective gain table type in the -g switch. e.g

$ ragavi -t delay/table/1/ bandpass/table/2 flux/table/3 -g K B F

For the visibility plotter, the name-space ragavi-vis is used. Help can be obtained by running

$ ragavi-vis -h

To run ragavi-vis, the arguments --table, --xaxis and --yaxis are basic requirements e.g.

$ ragavi-vis --table /my/measurement/set --xaxis time --yaxis amplitude

License

This project is licensed under the MIT License - see license for details.

Contribute

Contributions are always welcome! Please ensure that you adhere to our coding standards pep8.

Project details


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ragavi-0.2.0.tar.gz (36.3 kB view hashes)

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