Questions tagged [normals]
Normals describe how faces and vertices are oriented and can be used to aid various calculations and effects. This tag should be used for questions regarding normals in Blender, from uses to issues.
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Why are some faces in my mesh darker?
While rendering a mesh with smooth shading on, I get a dark region/shadow on certain faces.
The effect is more evident when smooth shading is applied to a mesh containing ngons, with the ngons turning ...
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16
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How to Combine two Normal Maps?
I made a high poly model and then baked its textures onto a low poly model.
Now I want to give another normal map's details to the model. How can this be done?
34
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How to make all faces flip to the right/consistent direction?
What's happening is that I have tried to flip the normals, inside and out, but there are always faces which have to be flipped!
Normals recalculated
Inside View
If I flip them again, all faces get ...
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Viewing normals in Blender? [duplicate]
I'm sure there is a way to view the normals, but I can't find it anywhere. Can you please tell me where to find this option?
Thanks!
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How to flatten a face to avoid distortion (make an ngon planar)
I created a kind of procedural modeled ground (rocks desert like), with some decimate modifiers to have a really crazy topology.
The result is nice, except for some ngons faces that contains some ...
18
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Bump Maps vs Normal Maps
I have read the Blender manual regarding bump maps and normal maps. But still it is not very clear to me when you would make or use bump maps and when normal maps. Who can explain ?
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Liquid / glass interface IOR and normals in Cycles
When modelling / rendering a glass with liquid inside (in Cycles), which direction do the normals for the glass only surfaces, shared glass-liquid surfaces, and liquid only surfaces point? I have ...
15
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display face normal direction in blender 2.8
How can I know if the normals of an object are flipped or not? Because in version 2.8 both normals have the same color and I can't identify if it's a flipped normal, unlike the previous versions where ...
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Creating Normal maps from a Texture?
Is it possible to create a Normal Map from a Texture, not a mesh? If so, how?
As I'm working on an Eye, and have already made the textures, I was wondering if it was possible to create Normal Maps ...
13
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3
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How to properly use face smooth shading
When I select multiple faces in edit mode and use Ctrl+F > Shade Smooth it smoothes the normals with all surrounding faces, regardless of whether they are smooth shaded or not.
Using a cylinder for ...
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4
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Manually Position Vertex Normals?
I have bunch of objects that I want to position next to each other in a scene. When they are next to each other, there is an apparent seam between them due to different normal directions. The normal ...
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How can faces be rotated around their individual normals?
In edit mode with these settings:
Face selection
Pivot point: individual origins
Transformation orientation: Normal
The faces don't rotate around the normals, is there another required setting that ...
12
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1
answer
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How to recalculate normals?
in version of Blender 2.72, where is the option recalculate?.
Like in this video https://www.youtube.com/watch?v=IZPqxADetWE&feature=player_detailpage#t=108
Here is a screenshot:
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Why do reflections on a smooth-cube look more 'definite' than a flat shaded one?
From what I know, flat shaded polygons use the face normal for lighting calculations for every pixel that makes up said face. Likewise, smoothshaded polygons do per-pixel normal calculations. However, ...
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How can I customize normal in this way?
I want to have my beveled object to have fake-rounded edges:
The vertex normals should be vertical with the main surfaces, so that the original surfaces are rendered plain, and the beveled edge is ...