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Question by Troez · Mar 19, 2014 at 12:02 PM · cullingocclusion culling

Umbra occlusion culling stopping after 'Computing Occlusion'

Computing the occlusion data here seems to never end and stops at 'computing occlusion' with the blue bar to 100%. If I click cancel unity will just freeze, same when I tried to change scene. I have managed to bake the data in other projects and seems to only have started happening since the update to the new method of Occlusion Culling.

Is it still working and just taking forever to compute, or is there something going wrong?

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Answer by Troez · Mar 19, 2014 at 02:55 PM

Solved by deleting 260k UMBRACACHE files from the Occlusion folder.

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Answer by LtKelleyUSMC · Sep 18, 2016 at 02:55 PM

Yeah, there solution to resolving this problem, would be writing a routine that works off of the CLEAR OCCLUSION button, which would delete the CACHE. I guess they missed that. When looking in my occlusion cache folder, I had so many files there with many, many different dates, that it took forever for my computer to even display the list. When looking at it from a COMMAND PROMPT window, and doing a DIR on that folder, after navigating to it, it did give me a long list of files, but just as I saw using File Explorer (Windows Explorer), when trying to delete these files, it took forever. This is NUTS. Hopefully, just like Microsoft, they will release a PATCH for Unity3D to resolve this.

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