Transparency problem render vs raytraced

Rhino Rhino for Windows
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1

Hi,

I think this might be a bug. In the attached file the texture looks proper in rendered mode but in raytraced or when I do a rendering the transparency drops out and the object renders as solid.

How it looks in rendered mode.

TransProblem02
TransProblem021002×588 150 KB

How it looks in Raytraced mode.

TransProblem01
TransProblem011002×588 62.3 KB

I used create pbr from files and created the textures they seem to be ok. I attached the file with textures.

RM

RenderViewTransProb.3dm (13.7 MB)

2

I moved the opacity map to the alpha

image
image1324×718 139 KB

3

Hi @Japhy

Thanks for taking a look.

When importing, using the “create pbr from files” I merely selected those files and I expected Rhino to put the transparency map into the correct slot. I guess if you accept the defaults Rhino defaults to amount instead of alpha channel. I think alpha channel should be the first choice for default, I don’t use those other options at all I always only use the alpha channel. Hope that can get tunned up.

Thanks for your help and clarifications.
RM