Render with Artifacts and Distortion Bug?

Development Rendering
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1

Hello,

I’m having an issue with Twinmotion. Sometimes, when I render an image, artifacts appear, and the image gets “distorted”—areas that should be straight become wavy. I don’t know what’s causing this. I’m facing this problem and need to figure out what it is so I can deliver the render to my client.

Image1_000
Image1_0001920×1080 466 KB

Here is the image with the artifacts and distortion. Notice that the areas that should have straight lines appear jagged.

Below is the image with the correct representation. (I rendered it a bit before the one above, but now all renders are coming out with these bugs.)

My Notebook configuration is:
-Processor: Intel(R) Core™ i7-10750H CPU @ 2.60GHz (12 CPUs), ~2.6GHz
-Memory: 32768MB RAM
-DirectX Version: DirectX 12
-Chip type: NVIDIA GeForce RTX 2060

I need to find a solution. Everything is almost set up, and this is the only rendering software I know how to use.

2

Image1_001
Image1_0011920×1080 418 KB

3

@UE_FlavienP :slight_smile:

4

knock knock?

5

Looks like some anti aliasing issues.

What changed between your smoothed and aliased image? Did you change Twinmotion version?
What is the version you are currently using?

What are you media settings?

Are you using auto-exposure? If yes can you switch to manual?

Are you able to share your scene, or a toy example.

6

Yes, i can share the file with you. Can I send to the box link you sent me on the other topic? What is the procedure to share a TM file without losing data?

My twinmotion is updated on current version. 2025.1

The only thing i changed was material. Maybe glass fresnel and some other textures roughtness and scale. Nothing about media

Media settings 4k

Not using auto-exposure

7

Yes you can send on the box link you used the other day.
The TM file should be enough, just let us know the different steps you follow to generate the screenshots so we can reproduce.

8

I sent you the file in the box drive.

The only thing I changed was materials settings (not even the texture). All media settings stay the same. Sometimes its rendering with artifacts and sometimes not.

If you want to force it to show artifacts, try putting it on night time.

9

How do you generate the screenshot you shared with us?
Select one of the image in the media panel and export?