🔍 mf4_visualizer

A simple Python tool for visualizing signals in .mf4 log files.
Focused on EV battery test data through grouped signal plotting and export.

---

✨ Features

📂 Auto-loads the latest .mf4 file
🔎 Grouped signal filtering using KEYWORD_MAP
📈 Plots signals with time axis per group
🖼 Exports individual plots as .png
📄 Combines all plots into a single .pdf
🚫 .gitignore excludes log files and exports

---

🌆 Requirements

Install dependencies:

pip install -r requirements.txt

---

🚀 How to Use

1. Place .mf4 files in mf4_logfiles/
2. Adjust KEYWORD_MAP in mf4_visualizer.py if needed
3. Run the visualizer:

python mf4_visualizer.py

4. View exported plots in mf4_exports/
5. PDF will open automatically after running

---

🗂 Version History

v1.0.0 – Initial version with grouped plotting and export

---

📘 License

MIT License – use freely, credit appreciated