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SubstanceInstance not updating randomly

Hi there,

we currently have a problem with some substance instances. If you change setting in the instance the textures are not updating. Even saving and closing and restarting the engine don't help, the substance texture 2d is still the same, even if the values in the setting are totally different now.

Product Version: UE 4.12
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asked Sep 26 '16 at 11:53 AM in Bug Reports

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Hello LestatDeLioncourt,

I did some testing on my end and was able to use the Randomize Seed function as expected. Could you provide some screenshots and the steps you are following so I can reproduce this issue on my end in a new blank project?

Substance Graph - Randomize Seed

alt text

Be sure you are exporting the substance file correctly by making sure the 'Random Seed' option is checked.

alt text

Let me know if you have further questions or need additional assistance.


Andrew Hurley

randomizegif.gif (1.6 MB)
randomseed.png (24.3 kB)
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answered Sep 26 '16 at 06:32 PM

avatar image LestatDeLioncourt Sep 26 '16 at 08:50 PM

Thanks for looking into it, however the problem is persist. The SBSAR are exported correctly with random seed exposed, and they work...but at some point of editing an instance they stop updating. I can provide you an example project tomorrow when I'm back at work.

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