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Blender Baking in Blender - need advice. Noisy baked image.

RomanDesign

RomanDesign

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233
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canada
Hi, I'm trying to do a simple bake - cycles, albedo only. It's for having people in Micrdosoft Flight Simulator scenery I'm developing. I imported the human figure from Make Human into Blender, and it looks good. It's in several objects, so I joined them - still looks good. But I need to bake everything into one texture image. I duplicated the object, created new 2048x2048 blank image (no alpha), "UV smart project" to create a UV map, created blank material, connected my blanc image to base color, then made a Bake "selected to active". UV map appears correct in the new object, but the image is all noisy and grainy and weird, mostly consisting of dots. UV seems to be correct, so the correct parts are mapped to the corret image, it's just the image is extremely bad quality. Also, the parts that were covered by clothes (torso) are clearly showing now. See images.

Please advise on how to make the baked texture look reasonably good.

I also tried BakeLab plugin, but they way it did UV maps is so crazy, the result is with completely wrong UV map.
I've had exactly the same problem with a totally unrelated model before, so it's not anything with the specific Make Human model. So, using Blender built-in baking with cycles, here is where I am at the moment:

1619109272567.png

Original object I'm baking from:
1619109249403.png

My baked image - all those pixels! Some areas are correct, others are full of black pixels!
1619110568716.png
 
Last edited:
Pyscen

Pyscen

Resource contributor
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2,994
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us-texas
The start sampling is only set to 1, trying raising it along with the rendering. You might have to wait awhile for your computer complete it too. This is one of the reasons that baking through Blender can be time comsuming.
 
RomanDesign

RomanDesign

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233
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canada
I figured it out I think. All it needed was "Extrusion" to be set at 0.31. But I'm having a hell of a time trying to use Mixamo animated figure in MSFS. Making a new post now...
 
Warmbrak

Warmbrak

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20
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australia
Pyscen said:
The start sampling is only set to 1, trying raising it along with the rendering. You might have to wait awhile for your computer complete it too. This is one of the reasons that baking through Blender can be time comsuming.
Click to expand...
That only relates to denoising; start setting of 1 is correct there.
 
Warmbrak

Warmbrak

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20
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australia
RomanDesign said:
I figured it out I think. All it needed was "Extrusion" to be set at 0.31. But I'm having a hell of a time trying to use Mixamo animated figure in MSFS. Making a new post now...
Click to expand...
Just a question - does this kind of baking have to be done with the 'Selected to Active' checked? For my recent diffuse + AO + shadow baking I usually leave that off. It is also interesting that only certain areas are affected. Could there be a hidden object in the background that could be interfering with the render baking? I often find this when I turn an object off but forget to turn off the render checkbox for that item as well (camera icon in the expanded collection properties).

Glad the extrusion solved it - so it was a caging issue then?
 
RomanDesign

RomanDesign

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233
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canada
Yes, I think. I don't really know what caging is, but black dots were a mix of new blank object and original object as they occupied same space. I moved the new object and got it black only with the same effect on the part ovelapping the original object. That lead me to the idea that the new object gets in the way. So I started to play with all kinds of "expansing" settings and that was it. Now I only need to figure out Mixamo bone animation problem as I posted here: https://www.fsdeveloper.com/forum/t...ed-people-distorted-animation-in-msfs.452304/
Don't know what to do...
 
M

MD_Flier

Messages
12
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unitedstates
Have you tried changing "NLM" (native Cycles denoiser) to "OpenImageDenoise" (Intel's denoiser)? I get much better results with it...
 
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