Software for displaying LWATV images and movies outside of a web browser.
Python script for displaying a GUI showing the latest LWATV image. The GUI consists of four parts:
- The latest LWATV image,
- a picture of the LWA site,
- an optional pre-recorded LWATV movie for previous days, and
- a text description describing what sources are in the images and movies.
This script uses Tkinter (from the Python standard library), the Python
Imaging Library (PIL/Pillow, including the ImageTk module), and GStreamer
1.0 for generating the GUI and displaying the images.
On Debian-based systems (including Raspberry Pi OS) ImageTk ships in a
separate package from the rest of PIL and must be installed explicitly:
sudo apt install python3-pil.imagetk
Script to update the on-disk cache of pre-recorded LWATV movies.
Directory containing stock images used by lwaTV3.py for when images cannot
be downloaded.
Directory containing the text image descriptions used by lwaTV3.py.
Directory containing the pre-recorded LWATV movies. This directory needs
to be populated by a call to updateMovies.py.
Information about running LWATV on a Raspberry Pi to build a stand alone kiosk.
LWATV is broadcast on three channels, one per station: channel 1 (LWA1, the
default), channel 2 (LWA-SV), and channel 4 (LWA-NA). Both scripts pick a
channel the same way -- no flag for channel 1, -2 for channel 2, or -4
for channel 4.
updateMovies.py caches the movies for the selected channel and records the
choice in movies/channel. lwaTV3.py shows that channel's live image and
description; instead of repeating the flag you can run it with
-a/--auto-select to follow whatever channel updateMovies.py last
downloaded. If the GUI and the cached movies disagree, lwaTV3.py still
shows the live image but hides the mismatched movie panel.
- LWATV Channel 1 - the sky over LWA1
- LWATV Channel 2 - the sky over LWA-SV
- LWATV Channel 4 - the sky over LWA-NA
- lwa_status - text-based overview of the LWA stations
- The Low Frequency Sky - an interactive view of the sky below 100 MHz
- The Multi-Wavelength Sky - compare how the sky looks at a variety of wavelengths