Export to UE4 Dir. Blur limited

Question

Hi everyone, I'm kind of a beginner on SD and UE4 and I'm having a problem with my wood pattern when I export it to UE4.

The fact is I started my wood with a perlin noise and directionnal blur (+ dynamic gradient map), then I exposed my parameters but when on UE4 the "waves" goes completely straight.

I found out that the problem was the directionnal blur because if I expose it I can get "waves" if I put the intensity below 125 but I can't go further than 125 intensity after that it goes straight lines while it still work on SD.

I mean it's not that problematic but I'd like to know why and if it's possible not to be limited or if I did something wrong.

Thanks for your help.

Luca Giarrizzo · Accepted Answer

Hello, This is an intrinsic limitation of the algorithm behind the Directional blur node. The result does not change past Intensity 256.0, and the output can be straight lines at Intensity 128.0 and Angle 0, 90, 180 and 270 degrees. Best regards.

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