[RESOLVED] v4.2 Ground Poly Z-Bias issues

Discussion related to terrain/scenery design.
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ralinn
Posts: 5
Joined: Mon May 14, 2012 3:34 pm

[RESOLVED] v4.2 Ground Poly Z-Bias issues

Post by ralinn »

Hi All,

Apologies if this topic already exists, but I've tried my best to search for it but with no success.

I seem to be having issues with a "native" v4.2 ground poly z-fighting (flickering) against the terrain. Although Z-Bias seems to be working with the layering on the ground poly its self, the ground poly model doesn't seem to want to sort above the terrain in-sim.

Here are my material settings:

Z-Bias: -1 Concrete/Asphalt
Z-Bias: -2 Edges
Z-Bias: -3 Overlay
Z-Bias: -4 Markings
Z-Bias: -5 Decals
Z-Bias: -6 Ambient Occlusion

Geometry:

Alt(Z): .002 Concrete/Asphalt
Alt(Z): .004 Edges
Alt(Z): .006 Overlay
Alt(Z): .008 Markings
Alt(Z): .009 Decals
Alt(Z): .01 Ambient Occlusion

No Geometry overlaps, and the model is placed with an altitude of 0. I have tried raising the placement altitude to .04 with no luck.

Here is a shot that demonstrates the layers working fine:

Image

Here's a shot of the model z-fighting with the terrain:

Image

Any help would be appreciated, as I'm trying to avoid using any FSX/FS9 related methods of creating a ground poly.

Thanks in advance!

Russell Linn
Turbulent Designs
ralinn
Posts: 5
Joined: Mon May 14, 2012 3:34 pm

Re: v4.2 Ground Poly Z-Bias issues

Post by ralinn »

Hey all,

Problem solved. It was an issue with swapping between SDKs which resulted in all P3D related settings being wiped out when saving the Max file.

Just as a side note, after the above was resolved, the model had to be raised by .002 to avoid z-fighting.

Thanks,
Russ
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