Chaos Corona for 3ds Max > [Max] Daily Builds
Normal Map + Triplanar Bug?
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Dionysios.TS:
Hi all,
I am seeing some weird results while combining a normal map made with Adobe Substance Alchemist and the Triplanar utility.
As you can see from the image, on the left I use no triplanar, only the normal map and the result is clean and correct. On the right, once I apply a Triplanar at 0.30m I get some pixelated blocks.
I am providing the scene and assets here.
Thanks,
Dionysios -
Dionysios.TS:
Excuse me, just an update:
I got also the artifacts when I used no Triplanar but I applied on the teapot a UVW Box type map @ 0,30m.
So I found out the problem is not the Triplanar but the CoronaUvwRandomizer which sits under!
Turning of the Randomizer the problem disappears.
Dionysios -
maru:
I think it was just a matter of using right scale values in the triplanar/uvw randomizer and using "randomize each tile" option with number of tiles set to 1. I guess when using this option, it makes most sense to set it to more than 1 tile.
I am attaching a "fixed" version of the scene which appears to be rendering as expected.
Dionysios.TS:
--- Quote from: maru on 2021-07-13, 15:22:21 ---I think it was just a matter of using right scale values in the triplanar/uvw randomizer and using "randomize each tile" option with number of tiles set to 1. I guess when using this option, it makes most sense to set it to more than 1 tile.
I am attaching a "fixed" version of the scene which appears to be rendering as expected.
--- End quote ---
Hi maru,
I got it!
But this is what I thought: 30 cm in Triplanar and Randomizer tile at 1 = 1 tile every 30cm in this case, am I wrong?
Thanks as always,
Dionysios -
Dionysios.TS:
--- Quote from: maru on 2021-07-13, 15:22:21 ---I think it was just a matter of using right scale values in the triplanar/uvw randomizer and using "randomize each tile" option with number of tiles set to 1. I guess when using this option, it makes most sense to set it to more than 1 tile.
I am attaching a "fixed" version of the scene which appears to be rendering as expected.
--- End quote ---
Excuse me Maru but I don't understand...
The maps were created in Alchemist and are base on a Substance Source file which reccomends a physical scale of 25cm (I used in Triplanar 30cm). I attached an image
In your example scene you used a Triplanar of 100m and a Randomizer Tile of 2, I dont get it... I am sorry.
Dionysios -
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