Vray Car Paint Shader speckles

[tricky]

I'm using a bunch of AXYZ cars. I've converted the car paint materials to VrayCarPaintMtl. I've changed the flake mapping type to 'Triplanar from object XYZ' (not sure I should be doing that!).

I now get large speckles all over my paint. Is it just a scaling issue? I'd hoped the VrayCarPaintMtl would just work 'out-of-the-box' so to speak.

Any tips?

[simmsimaging]

Looks like a scaling issue. I don't think the map can work "out of the box" in that sense. You will need to tune the parameters to suit your object size.

/b

[fAEkE]

I have worked alot with vraycarpaint and you need to set the scale to like 0.005 or less.

[tricky]

I have worked alot with vraycarpaint and you need to set the scale to like 0.005 or less.

I see. I will give that a try. I had assumed (wrongly) that as it is a car paint shader, the flake size would be using some sort of world coordinates to scale itself appropriately to a car paint.

[fAEkE]

Ye, the flakescale is pretty much screwed up. Or it's me who is missing something

[vlado]

the flake size would be using some sort of world coordinates to scale itself appropriately to a car paint.

This turned out to be problematic, so for the moment you will have to adjust the flakes scale by hand.

Best regards,
Vlado

[tricky]

Continuing this old thread, could you point me at the setting I need to change to stop the horrible speckle on the silver cars in this render. TBH, the red car paint is essentially the same, though I don't see speckle on there. The infrequency of my posts on car paint tells how rarely I look at them!

[tricky]

Please ignore - my scene didn't update properly (XREFs!!!)