Piotr Smorawski

Hi

I am having this weird bug where textures in viewport (and OpenGL render) become black and white all of a sudden. Happens after some frames and one it starts doesn’t go back to normal until Houdini restart. I also noticed the alpha has some weird glitches like dancing black pixels.

I am on windows 10, my project is to ACES and I’m loading a bunch of animated textures in exr (50 sequences 1300 frames each) in aces 2065-1 with dwab compression. Just RGBA nothing else.

Anyone ever seen this before? Any fixes?

Ps. I am posting the same topic on all active Houdini hubs, sorry if it’s against the rules.

EDIT: I just noticed - in the display preferences, when the textures are loaded correctly the viewport texture usage is at 5%. When the error occurs it drops to 0%.

tamte
in both of your examples
just subtract {0.5, 0.5, 0} from your uv before plugging to cellular noise
just so that center for the frequency scale is at the center of your uvs which is the center you want to scale from

Thank you so much, it's this simple! wow.

I am trying to achieve a cell pattern where frequency of the cells would be lower in the center and grow higher when getting close to the edge.