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Zero alpha contour on intersection with transparent shader
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Transparent shader creates zero color/alpha line on intersection.

In the sample scene there also is strange sort of "refraction" - upper plane is more or less straight, but it gets bent through transparent shader.

Event Timeline

Brecht, can you please check?

It looks correct to me though.

When I open the attached file and press render, I see a black line of zero alpha in the intersection of displayed planes. Just re-tested with RC. Isn't it there for you?

Moving this to the raytracing precision todo list. Ideally we could lower the epsilon a bit, to handle this better, but need some clever solution for instancing still.

Brecht Van Lommel (brecht) changed the task status from Unknown Status to Unknown Status.Oct 24 2012, 10:19 PM