# Plot Freely

***PRE-ALPHA***

One day, perhaps, this code will be able to generate nice
plots to visualize radio interference.

![Empty Alpha Plot.](img/polar-plot-screenshot-2.png)

![LibreOffice Example.](img/plot-libreoffice-sample-1.png)


# Installation
Install thusly, on Debian Bookworm (Testing).

```
sudo apt install python3-virtualenv python3-pip

git clone https://spacecruft.org/spacecruft/plot-freely
```

# Setup
Setup thusly.

```
cd plot-freely/
virtualenv -p python3 env
source env/bin/activate
pip install --upgrade pip
pip install -r requirements.txt
deactivate
```


# Usage
Use thusly.

```
cd plot-freely/
source env/bin/activate
./polar-plot
```


# Development
Setup like above, and also:

```
cd plot-freely/
source env/bin/activate
pip install -r requirements-dev.txt
```

Then before committing new code, make sure it is enprettified:

```
black polar-plot
```


# See Also

CygnusRFI

* https://spacecruft.org/spacecruft/CygnusRFI
* https://github.com/0xCoto/CygnusRFI
* https://community.libre.space/t/cygnusrfi-an-open-source-rfi-analysis-tool-for-ground-stations-radio-telescopes/5553

rtl_power

* http://kmkeen.com/rtl-power/
* https://github.com/keenerd/rtl-sdr-misc
* https://github.com/dhogborg/rtl-gopow

rx_tools

* https://github.com/rxseger/rx_tools


# Upstream
Sections of code and clues from Cees Bassa.

* https://github.com/cbassa

Primary author and errors in code from Jeff Moe.


# Copyright
Upstream sources under their respective copyrights.

License: CC By SA 4.0 International and/or GPLv3+ at your discretion.

*Copyright © 2023, Jeff Moe.*