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Poser 12 F.A.Q (Last Updated: 2024 Nov 27 7:24 pm)



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Subject: Subdivision causing blurry texture

EVargas opened this issue on Aug 30, 2021 · 9 posts
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EVargas ( ) posted Mon, 30 August 2021 at 12:44 PM · edited Thu, 28 November 2024 at 2:08 AM

I imported an OBJ and assigned textures for its materials, it all looks reasonable but when I set subdivision level to 1 or greater (for preview or render) the texture gets blurry... I'm new to this system (I have not used Poser in years) so I might be missing something, any help would be appreciate!

PREVIEW OK (subdiv 0):

preview.PNG

PREVIEW NOT OK (subdiv 1):

preview not ok.PNG

RENDERS S-SUPERFLY F-FIREFLY (SAME HAPPENS):

subdiv00.PNG

subdiv02.PNG

MATERIAL SETUP:

matsetup.PNG

EVargas.Art

EVargas ( ) posted Mon, 30 August 2021 at 4:02 PM

Ok found something that maybe it's causing the issue. I noticed it only happens after I work with the Unwrap3D app, then I compared the OBJ version of ZBrush Vs Unwrap3D. The face count is the same but I'm losing some decimals on the vertices points.

zb-vs-uu3d.PNG

rounding-issue.PNG

EVargas.Art

caisson ( ) posted Mon, 30 August 2021 at 4:39 PM

There is a bug report in for this issue, has been for some time. It may be related to the issue with higher-res morphs, it's something to do with accuracy of vertex positions. Basically it's not a trivial problem, hence no fix yet. Please drop a bug report in via posersoftware.com if you can as the more feedback the devs get the better, thanks.

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EVargas ( ) posted Mon, 30 August 2021 at 4:52 PM

Ok thank you for pointing it out!

Well anyway some more from my recent attempt: if OBJ is not working then I thought: how about trying FBX? Ok I exported from UU3D as FBX, it really has more decimals... But when importing Poser crash on me... OMG o/ I'll update here in case it work later.

UU3D to FBX - more precision.PNG

EVargas.Art

primorge ( ) posted Mon, 30 August 2021 at 7:30 PM

I've seen it before too, but in a bit different way. Especially on gradients. There's faceting on gradients when subdivision is applied. It's seems particularly bad on textures that occupy a very small area of an overall uv tile.

primorge ( ) posted Mon, 30 August 2021 at 7:40 PM

For instance, preview unsubdivided, eyeshadow... unsub.png

1 level of subdivision sub.png

primorge ( ) posted Mon, 30 August 2021 at 7:43 PM

I can't really fault Poser for it. The example model is very poorly UV mapped in terms of texture space optimization. Still annoying when I discovered it. I think the figure was intended purely for toon shaders however.

EVargas ( ) posted Tue, 31 August 2021 at 8:45 AM · edited Tue, 31 August 2021 at 8:48 AM

Good news here, nothing like a good night of sleep and a brand new day! I was missing an important step before exporting from Unwrap3D, It's the "2D Tool/ Weld UVs". Now it works just like magic as expected! See images (using OBJ file format):

01.PNG

02.PNG

EVargas.Art

FVerbaas ( ) posted Tue, 31 August 2021 at 9:35 AM
Forum Coordinator

Good to see this is solved.

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