Examples

Example use cases include scenes like this one, from the planetarium show Cosmic Colors -

Such an effect can usually be created with Adobe After Effects or something similar, using tools like DomeXF Dome master plugin.

Using OCVvid2fulldome and a haphazard collection of video files, without arranging them properly in an aesthetic manner, I got this screenshot, where 10 videos (with some duplicates) are projected at different angles and sizes.

The ini file related to the above is here.