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General => Terragen Discussion => Topic started by: masonspappy on July 22, 2016, 07:36:57 PM

Title: Artifacts in renders (comparison included)
Post by: masonspappy on July 22, 2016, 07:36:57 PM
Attached image shows side-by-side comparison of image rendered in T3 and T4.
The T4 version seems to be a significant improvement over T3,  but there are artifacts  on the girl OBJ in the T4 version.
After reading the technical information in the forum I couldn't see anything that I thought speaks to this particular problem, or anything that might be done to correct it.
If anyone has any suggestions I would really appreciate hearing them.
- Cam
Title: Re: Artifacts in renders (comparison included)
Post by: yossam on July 23, 2016, 09:29:05 AM
I have had the same thing on a couple of renders, don't know what it is or how to fix it. It almost looks like really tiny displacement artifacts.  ???  I forgot to mention that it was on imported .obj models also.
Title: Re: Artifacts in renders (comparison included)
Post by: masonspappy on July 23, 2016, 10:01:51 AM
Quote from: yossam on July 23, 2016, 09:29:05 AM
It almost looks like really tiny displacement artifacts.  ???  I forgot to mention that it was on imported .obj models also.
Exactly.

Did a high-quality render (1920x1080) last night  ( See image snippet below) , and pulled the camera back and can no longer see the artifacts. Don't know if that because the artifacts disappear during a Hi-Q render, or they simply can't be seen from a distance. Think I'll move camera up close again and re-render in Hi-Q and see what happens.
Title: Re: Artifacts in renders (comparison included)
Post by: yossam on July 23, 2016, 12:02:07 PM
I rendered at 2K closeup and got this............. :-\


http://www.planetside.co.uk/forums/index.php/topic,21768.0.html (http://www.planetside.co.uk/forums/index.php/topic,21768.0.html)


The other render was basically the same.  ???
Title: Re: Artifacts in renders (comparison included)
Post by: Matt on July 29, 2016, 06:50:52 PM
I haven't been able to reproduce any artifacts like this. Can you send us a simplified scene that produces this error?

I spoke too soon. I've got something similar which I can work with.

Matt