Get same bump from a photo to a model

Blender Asked by Opponent019 on December 26, 2020

I’ve been tinkering with this for a while but can’t seem to find a good answer to my problem. I need to recreate the Activity Center from Fisher Price photo-realistically and I’m not sure how to go around the small bump details it has. I’ve been trying with a normal map I got from a photograph and it works sometimes and sometimes it doesn’t. I don’t know why it sometimes flips even if I didn’t change anything. Also it’s not giving me the quality I need.
I’ve tried getting a displacement map using CrazyBump but I’m not sure if I’m doing it correctly?

With normal map after it flips itself:
enter image description here
Correct normal map (but still not good enough):
enter image description here

Displacement map I get from CrazyBump:
enter image description here

It just messes everything up, doesn’t even add the details or anything. I find weird how it would do that given that the map itself is all blurry but it seems good in it’s preview ??
enter image description here

Am I missing something? Is there another way? Since it’s for rendering I don’t really care for how to achieve it if it works. I’m using Marmoset Toolbag for rendering but Blender for the model and stuff.

One Answer

I'm not familiar with Marmoset Toolbag, so I can't speak for that part. But there should be a setting in there somewhere that you can adjust the strength of your bump map. It is the settings in your 3rd screenshot I believe.

In blender it works like this at least, notice the first image has a high strength on the clouds, the second has a lowered value for the clouds. enter image description here enter image description here

I don't believe this is a question related to Blender however since you use a 3rd party renderer, and it's the renderer that handles bump maps and such.

Hope this helps.

Answered by FreemoX on December 26, 2020

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