Werner Ziemerink

Werner Ziemerink

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Black pixel artifacts in Karma (Random Walk SSS) May 3, 2020, 4:12 p.m.

Yeah, I'm not sure what happened to Random Walk SSS in Karma. I can't get clean renders out anymore.
It is noisy AF and takes way too long to render. Definitely not the way to go for me.

Houdini and Substance Painter April 30, 2020, 5:59 a.m.

Any new information on this front?

I decided to give Substance a go after years of using 3dCoat.
So far I am not impressed.

Here is my problem. I have one object with 18 groups for various parts. I also set up 8 UDIM tiles. Object parts are scattered over these UDIM tiles based on UVLayout SOP.
1. I have to create 18 dummy materials (which I won't use in the end as I use UDIM's)
2. Create a material SOP and link all the groups to these 18 dummy materials. This takes way to long. Must find alternative method.
3. Import into Substance Painter WITHOUT using UDIM's as texture sets.
5. I have the correct texture sets in substance for all 18 part.
6. Export textures just to realise that I now have textures for 18 texture sets that I will have to combine in comp per channel (that is 90 textures) to get back to my 8 UDIM tiles.

Compare this to 3dCoat.
1. Export the same mesh as is with 18 groups.
2. Get 18 paint objects in 3dCoat all ready to paint on over 8 UDIM tiles.
3. Export to get 5 maps per UDIM tiles.

I must be doing it wrong…

Hair Sim causing too much vibration/jitter? April 6, 2020, 2:03 a.m.

Normally flickering of that kind is caused by scattering changing per frame. What does your setup look like?