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Root » Houdini Engine for Unreal » Extract Vertex Painting informations from UE into my HDA
julien costard
Hey folks !

I try to deal with some stuff since yesterday at my work, i'm really stuck and need help.

To resume :

Actually i have an HDA running in UE4.
I give him some objects inputs.

I need to extract the Vertex Color of theses objects.

But i can't figure out how to deal with that.

-I have paint vertex color inside UE, on the original mesh.
-I have also paint vertex color directly on my HDA.
The two won't work, i can't extract vertex color from it.

I have the sensation that it's ok from houdini to ue, but not the inverse.

Maybe this is not possible.Maybe some of you have the anwser.
It's someone can help me, it'll be very very cool and you probably going to save my day.
HS52
Hi,julien costard!
Have you solved the problem? I have the same problem as you and I'm still looking for solutions, I would appreciate it if you could share your solution!
GlenD
julien costard
Hey folks !

I try to deal with some stuff since yesterday at my work, i'm really stuck and need help.

To resume :

Actually i have an HDA running in UE4.
I give him some objects inputs.

I need to extract the Vertex Color of theses objects.

But i can't figure out how to deal with that.

-I have paint vertex color inside UE, on the original mesh.
-I have also paint vertex color directly on my HDA.
The two won't work, i can't extract vertex color from it.

I have the sensation that it's ok from houdini to ue, but not the inverse.

Maybe this is not possible.Maybe some of you have the anwser.
It's someone can help me, it'll be very very cool and you probably going to save my day.

Could you promote the Vertex Color information from Unreal to Point? 'Attribute Promote' Vertex (Unreal) to Point for Houdini to read? Then promote it back to Vertex for Unreal to read again? This would have to be in the HDA.
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