How to add Irrmap to saved Irrmap?

Hi,

This option is useful for cases where the camera path is not too long. For example, turntable animations or interior flytroughs. You could however create multiple GI files (from different parts of the interior for an example) and merge them together using our tool.
Many combinations could be made using the available GI modes to get flicker free animation. You can experiment and see which is the most suitable for your work and projects.

There is one video tutorial (our ChaosGroupTV YouTube channel) that demonstrates the “use camera path” usage in real production: