Images acquired from the camera by ONVIF, etc. will be stored in the following directory for each camera device and stored in each date directory.
Windows 10
C:/ProgramData/HubKit/mediadata
Mac
/Library/Application Support/HubKit/mediadata
Linux/Raspberry/Gravio Hub
On Linux/Raspberry, since it runs on Docker, the following directories are mounted as volumes/home/gravio/hubkitrepo4/data/mediadata
You can find more about how to setup a ONVIF Camera by watching this video: https://www.youtube.com/watch?v=8dkSIz_5810