foxplot 0.0.1

Plot time-series data from line-delimited JSON.

foxplot

Plot time-series data from line-delimited JSON.

Foxplot stands for "Frequent Observation diXionary plots". Frequent observations arise from the project's initial use case (robotic control loops). Dictionaries are the observation format used in Vulp. Plots are plots :wink:

Usage

Interactive mode

$ foxplot -i robot_data.json
Python 3.8.10 (default, Mar 13 2023, 10:26:41)
Type 'copyright', 'credits' or 'license' for more information
IPython 7.22.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: fox.plot(left=[fox.data.observation.cpu_temperature])
New tab opened in your web browser! The command line is to produce it directly is:

foxplot robot_data.json -l /observation/cpu_temperature

JSON files

foxplot robot_data.json -l /observation/cpu_temperature

MessagePack files

rq -mJ < my_time_series.mpack | jq '{.my.filters.here}' | foxplot

Design notes

• Foxplot prioritizes ease-of-use (interactive mode) over performance

See also

• µPlot's performance was a key enabler for this project.
• rq, a tool to manipulate streams of records in various formats.