I've built a scene and set it up to render several frame ranges. The first few frames will usually look fine so I let it go. However usually at some point in the frame range some of the geometry will disappear and sort of create a hole through the scene (see pictures). I have had renders complete without issue but then the next one will get it, so it's kind of random but it is more common than not unfortunately. Once it appears it doesn't go away on successive frames, even with Full Reload on.
It only seems to happen to geometry with displacement but I'm not certain that is the issue. It also only seems to happen on to Render to Disk. I've been unable to reproduce it in the IPR. I suspect this is a bug but I'm fairly new to Houdini and Octane so it could be user error.
Does anyone have any idea how to fix this?
Here are things I've tried to fix it:
- Switch the displacement texture
- Change various displacement settings
- Toggle Update/Reload in the ROP
- Multiple ROP renders, node by node/frame by frame (attempting to force a fresh load)
My system:
1x 2080ti
1x 1080
Nvidia drivers are 419.67
Octane is 2018.1.0.7
Houdini is 17.5.173
I'd be happy to give more details if needed or send the project. I didn't attach it because it's somewhat large.