Wall Disappears when rendered

Dave Seabury · ‎2021-09-07

Haven't seen this one before and I can not figure out what is causing it.

modeling some tile on a shower wall. The tile itself is a separate wall place

on the framed wall. The first image is the 3d window, the tile section on the

left is 1/32"off the other wall form, the one on the right is touching the face of the

other wall and it is gone once rendered. Any ideas?

Thanks David

AC 19-26 Windows 10 64 bit, Dell Prercision 7820, Xeon Silver 2414R ( 12 Cores), 64 GB Ram, Quadro RTX 4000 8GB

runxel · ‎2021-09-07

The result looks like expected 😄

But in good earnest:

The issue you're confronted with is the typical thing that happens when two planes are at the same spot: The computer calculates the z-depth (the distance) of the polygon to the camera. Rounding errors will lead to the result that some polygons are more closer to the camera than others and vice-versa. Thus you're ending with a botched up picture.

tl;dr: Move one plane out of the other.

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Stress Co_ · ‎2021-09-08

Do the wall reference lines overlap?

That is to say, if the tile "wall" reference line were on the outside face, and

you didn't do the 1/32" offset, does it still happen?

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Lingwisyer · ‎2021-09-08

Just give them thickness? And If need be SOE them from the wall?

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Dave Seabury · ‎2021-09-08

Thanks for all the suggestions, they all worked on one wall but not on another. In the end i created a new profile wall with a tile backer and a finish surface for the tile, then SEO'ed that from the frame wall and it seems to work. Thanks again for the suggestions.

David

AC 19-26 Windows 10 64 bit, Dell Prercision 7820, Xeon Silver 2414R ( 12 Cores), 64 GB Ram, Quadro RTX 4000 8GB

Dave Seabury · ‎2021-09-08

I thought I had this figured out but I don't. Is it possible for a texture to cause these issues or a rendering setting? Everything is perfect in the 3d window But i get this when rendered. The lower wall is a complex profile that i duplicated and changed the surface material. No issues with the lower one.

Thanks Again for any suggestions.

Daviddifferent wall same problem

AC 19-26 Windows 10 64 bit, Dell Prercision 7820, Xeon Silver 2414R ( 12 Cores), 64 GB Ram, Quadro RTX 4000 8GB

Dave Seabury · ‎2021-09-08

It appears to be the texture. Opened the profile and changed to a different tile texture and it rendered as I would expect. Now I will see if i can chase that down.

David

AC 19-26 Windows 10 64 bit, Dell Prercision 7820, Xeon Silver 2414R ( 12 Cores), 64 GB Ram, Quadro RTX 4000 8GB

Dave Seabury · ‎2021-09-08

Solved. This Texture had a Displacement Channel and once turned off The wall renders correctly.

AC 19-26 Windows 10 64 bit, Dell Prercision 7820, Xeon Silver 2414R ( 12 Cores), 64 GB Ram, Quadro RTX 4000 8GB

Wall Disappears when rendered

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