The current state of the work in Steca (loaded and selected files and various configuration, such as detector geometry, image transformations and cut, background an reflections, etc.) is called session. A session can be saved as a “session file”. Loading a session file restores the work as it was saved.
File paths in a session are stored relative to the location of the session file. Therefore the session file and the data files can be moved together to a different folder, a different computer, or even a different operating system, and as long as their relative location stays the same, the session can be restored.
Session files are stored in JSON format; if needed, they can be edited, carefully, with a text editor.