Mustafa YILMAZ

duveil

About Me

EXPERTISE
Generalist
INDUSTRY
Film/TV

Connect

LOCATION
Türkiye
WEBSITE

Houdini Skills

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Not Specified

Recent Forum Posts

Karma Ramp Doesn`t Work Jan. 15, 2026, 11:07 a.m.

Hi thanks for the reply. But I have already tried that one and MtlX Color Ramp VOP node and MtlX Ramp VOP node.

Karma Ramp Doesn`t Work Jan. 15, 2026, 9:57 a.m.

Hi everyone. I have a Karma setup. I imported Rbd sim with RbdProcedural and created a karma material.
My rock objects has float @range attribute distributed from 0 to 1.I imported range attribute
with "usdprimvarreader" and connect it to a ramp.I can see the colors in render gallery
and viewport. When I tried to open in Mplay or export it as exr I got completely different result.

It WORKS
When I disconnect ramp parameter from base color my viewport and output exr are same as shader color.

I tried both karma material builder and mtlx material builder with different ramps.
I tried mtlxgeompropvalue and mtlxUsdPrimvarReader.Also I tried H21.0.512 and H21.0.559 with
Nvidia 591.74 and 591.44.


Any help or pointer is appreciated. I am trying to fix this for the last 3 days.

Image Not Found

Solaris Rbd Inctance Jitter Problem Jan. 7, 2026, 6:51 a.m.

Quick update . I also tried houdini procedural for instance objecta and it works.There is no jitter. But I couldn't export it as sequence. When I tried to use Usd Rop .And tried to import it in Blender I could import just first frame.
So basically when I tried to use usd instancer there is a jitter in solaris but I can import it to Blender.
When I use rbdprocedural there is no jitter but I cant export it to Blender as sequence.