I'm almost sure it's FPP 6.2.x with an animated camera, referenced in a forest object (@Rowan: see ticket #184420).
To test:
- switch to a one viewport layout, move away from the scene - looking into the sky for example
- remove the camera reference from all FPP objects
- delete all keys of the animated camera
- delete all FPP objects
- update to a newer FPP version (which one do you use Jens?), I could not repro this with 6.3.1 (which we currently use) any more
If IR stops restarting in any of the above cases, it's the FPP bounding box issue: As soon as the mouse hovers over the bounding box of a FPP object, IR restarts. Maybe you could check this.
Good Luck
Hi Frood, sorry for not getting back to you on this. I got the IR refresh bug again, and came back to this thread to read through what you said. You are right!! If I disable them but the forest pack icon is still visible, nothing changes. But if I hide them completely in the forest lister, the IR bug goes away. That's it.
It's 100% tied to the camera. If I remove the "limit to visibility" under the Forestobject's "camera" roll down menu, the IR bug goes away.
update: Just saw this on the forum. Guess I'll try with that update :)
Forest Pack 7.0.8
- Fixed continuous updating of Interactive Render when using Camera->"Limit to Visibility".
* This bug would also affect general performance when camera clipping is enabled on viewport.
Cheers!