Black stains under a glass dome

Started by russe166, March 15, 2014, 11:39:22 AM

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russe166

Hallo!

I got black stains under a dome made of an imported object (.obj). The .obj has a water shader as surface layer.

[attach=1]

After a while I discovered that the problem is related to the surface layer option 'Intersect underlying'
together with 'Displacement intersection' in one of the two surface layers that I have used.

When I change the order of the two surface layers the problem is gone.

My question now is: Why does the order of the surface layers matter in this case?

Michael

Matt

There is a bug here. The intersect underlying feature isn't working as it should when viewed through through the water shader. I don't understand the bug well enough to explain why the order of the shaders matters, but I've entered it into the bug tracker.

Matt
Just because milk is white doesn't mean that clouds are made of milk.

Dune

You can remove the black stains if you increase the shift settings, but you might have to lower the dome somewhat.

russe166

Hi,

thanks for the answers and infos!
So I can go on with my picture ...


Michael

russe166

Hello!
Now the picture is done, but to achieve the desired glass effect I had to cheat a bit.
So I composed two images from the glass dome into one.

Michael