Questions tagged [normal-map]

Normal mapping is an efficient technique for simulating bumps and wrinkles on the surface of an object by perturbing the surface Normals to redirect light that hits the surface of the object.

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9
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3answers
3k views

How to bake high to low poly normals for multiple objects on one normal map?

Imagining I have multiple objects which make up a scene including high poly and low poly of each object and I want to put all of the baked information onto one map. What would be the easiest way to ...
8
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1answer
704 views

Is there a way to render to PNG as raw pixels / without converting color space to sRGB?

Sorry if this was asked before, I did find similar threads on other websites with a workaround, but it would be great if there was a way to do this without having to go through photoshop. What I need:...
6
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1answer
2k views

Decimate vs. Retopology

I'm about ready to finish my high poly human model, and I was wondering why I see so many people using reotopo tools for reducing poly's on meshes as opposed to decimating. Using a decimate modifier ...
6
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1answer
1k views

Cycle Normal Pass in Camera Space

I am wondering if there is any way that we can alter the cycle normal pass to output value in camera space. Currently, as far as I know, the normal is in object/world space, which does not change when ...
5
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1answer
539 views

Do samples affect Normal map baking?

I was wondering if the samples matter at all when you're baking a normal map. I don't think so, but I just want to make sure.
5
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1answer
612 views

Automatic bump mapping

In the image, I know that setting Normal to a value (other than 0) in geometry will create a bump map from the texture onto the material. It works well and I'm doing this for the hair of a human model....
4
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2answers
5k views

DirectX vs. OpenGL normal maps

I'm curious which type of normal map works better? DirectX or OpenGL normal maps? Which one to use for cycles and eevee?
4
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2answers
9k views

How to draw normal map?

How can I draw (not bake) normal map over my model, like a texture in texture paint mode? Render cycles. Thank you in advance!
4
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1answer
410 views

Trying to convert a DXT5NM Normal Map for use in my scene

I have a handful of these strange normal maps I need to use in my scene that store X in the Alpha channel, Y in the green channel, and require you to calculate Z with the following formula: Z = sqrt(...
4
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2answers
1k views

Normal map curved edges with black shading

I have been learning how to bake normal maps in Cycles for a little while. But I have run into a slight problem. I get these black edges/shading on curved edges. Edit: I added .blend file. So my ...
4
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1answer
513 views

Weird artifacts appeared in eevee because of normal map

I'm was working on a shotgun and suddenly for some reason some weird artifacts appeared on the metal materials. I know that removing the image texture and leaving only a noise texture+bump on the ...
4
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4answers
665 views

Can you reduce detail with a normal/bump map?

The usual workflow is to take a high detail model, such as a sculpt, create a lower detail copy, then bake a normal map off the high detail to use on the low. Is it viable to do the reverse? I need ...
4
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1answer
31 views

Is there any way to replicate/recreate Levels effect in Blender Shading Nodes?

I'm trying to make a normal map generator in Blender and I need to add Levels-like node. I'm using this tutorial about generating normal map from four pictures (https://dreamlight.com/how-to-create-...
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0answers
4k views

How can I bake a normal map with smooth, beveled, edges, when the low poly has sharp ~90° edges?

Background I have been trying to solve a seemingly simple problem with normal map baking in Blender 2.9 since last weekend. I wanted to make sure that I read and researched as much as possible before ...
4
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1answer
228 views

Get same bump from a photo to a model

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 ...
4
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0answers
114 views

Normal Map only visible on single Shape Key?

Is there a way to make a normal map for facial wrinkles more/less visible with certain shape keys? I've seen something like this on youtube, but I haven't been able to determine how it was done. I've ...
3
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2answers
441 views

Nodal Setup for Diffuse, Emission, Normal and Specular map in Cycles Render

I downloaded a model from here: https://www.models-resource.com/mobile/marvelscontestofchampions/model/15341/ It has got 4 maps(with suffixes _d,_e,_n and _s). I tried a nodal arrangement(which I ...
3
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1answer
841 views

Normal baking, very weird results

I'm trying to bake a high res Normal map into a low res one. The high res is a duplicate of the low res; I used Multiresolution modifier. I also sculpted my model, then applied the Multresmodifier and ...
3
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2answers
149 views

Mapping normals from -1..1 to 0..1

I am trying to bake a map that shows calculated normals in 0..1 range using cycles. (As opposed to -1..1 range) When I use <...
3
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2answers
995 views

Normal Map Problem (Inverting Color?)

I made this model in Blender and Textured it in Substance Painter. While in Substance I didnt see any problems, but when exporting it to Blender and applying the maps i got weird artifacts and color ...
3
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1answer
1k views

Non Color Data Procedural Normals

So I was trying to reproduce this tutorial for Lightwave on Blender: http://iaian7.com/lightwave/SoapFoamSurfacing Basically the guy uses a node setup to get procedural Black&White bubbles which ...
3
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1answer
2k views

Why does UV orientation affect tangent space normals?

When using a tangent space normal texture, the orientation of UV islands affects the normals even when using the Generated or Object Texture Coordinate. How can a UV map influence a texture that is ...
3
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1answer
281 views

Normal map on mirrored model

I have mirror model, that I made to save the size of textures. But in testing I see, that part of model, that must be flat, has a visible seams: Normal map is configured to non-color, so it isn't a ...
3
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0answers
55 views

How to properly rotating a material using node which has a normal map?

Rotating normal map via mapping node seems will flip normal map, resulting a weird looking material. But directly rotating uv map in uv editor doesn't cause any issue. So how to properly rotating a ...
3
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0answers
258 views

Strategy for Generating a Normal Map Projection From a 3D Model

I am still relatively new to Blender, and I am currently using it to model 3D vehicles for a 2D game. The 2D-rendering engine (Pixi.js) creates an illusion of depth using a normal map (as ...
3
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0answers
125 views

Which algorithm does Blender use to bake normal maps?

I am studying Computer Science and have to prepare a presentation about normal mapping in Blender. While I can find a lot about how I can do it in blender, I could not find anything about which ...
3
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0answers
145 views

I am trying to bake a normal map of a set of objects with transparency

I have been trying to bake a normal map for a clump of grass I want to put in a game engine. The problem I am facing is that whenever I bake the normal map it ignores the transparency texture on the ...
2
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3answers
248 views

Bump material for landscape too flat

I'm trying to add a dirt texture with small rocks as a foundation for a landscape, but I have a familiar problem: when the camera is directly overhead, the texture looks 3 dimensional. However, when ...
2
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2answers
5k views

Mix normal texture with noise texture to create flat patches

I'm trying to achieve this result where the house is white, and the bricks show through the plaster in some places: I have an image texture as a normal map, and I want to use a noise texture to "...
2
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2answers
2k views

How to generate fake Normal map from an image texture inside Blender Cycles?

Back in a day when I worked with Blender Internal render exclusievely there was a slider called Normals, I simply cranked it up and the texture started to look voluminous. Struggled to find the same ...
2
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1answer
221 views

Is there a way to “clip” or “clamp” the height of a normal, so that bumps go to a certain height and then abruptly flatten, as if chopped off?

The pic may explain better. Cycles. . . . . . I don't want smaller bumps that are still basically bubble-shaped... I could get that by just decreasing the strength of the normal in my normal map ...
2
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2answers
153 views

Distorted normal map on smooth surface

Blender rookie here. I'm learning about baking normal maps in 2.80 with some pretty basic setup. I'm getting strange results on a smooth metallic flat surface. You can see it on the following ...
2
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1answer
238 views

Use Cycles baking for Blenders internal renderer

I started modeling a house that I want to use in a game. I really like the workflow of nodes if it comes to materials. So I decided to use the cycles renderer in 'material view' for modeling, ...
2
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1answer
128 views

Normal Map bad shading in Rendered display [duplicate]

I have a Normal Map problem: I've baked a high-poly sphere to a low-poly, but whatever I try there's always a bad shading on the surface of the low-poly in Rendered display, between the light and the ...
2
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1answer
2k views

Blender cycles adding normal map

I baked a Normal Map and a Diffuse Map. I tried to duplicate the object in new file and new scene by adding these maps to a plane, but I did not see the desired effect. How can I use nodes to ...
2
votes
1answer
2k views

Normal maps not working in blender internal in 2.78 update

I was just wondering because ever since blender 2.78 normal map data would not be displayed in the final render. However it is displayed in GLSL (viewport). Below is an example of said problem. Am ...
2
votes
1answer
889 views

How do I get per-vertex tangents (and bitangents) in my export script?

I'm writing a script to export models from Blender to be used in my custom OpenGL engine. My engine wants vertices to be in a big solid "array of structs" block, with each vertex having the same ...
2
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1answer
252 views

Custom Split Normals Data broken by Subsurf?

I am using the Data transfer modifier to transfer normals from one object to another. This works fine when it is in the modifier stack after the subsurf modifier. If the subsurf comes after, the mesh ...
2
votes
1answer
170 views

Baking Normals from a Shader that gets its Normals from a Bump Node

I am trying to bake a normal map from an object that gets its normals from a bump node. See the image: I set "Bake Type" to "Normal" and leave all the other settings as-is. The baked normal doesn't ...
2
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1answer
92 views

Bump Map Acts differently on two different Meshes

Here's a problem that has been puzzling me for months. I took The time to investigate further this time and decided to ask here in case anybody encountered that kind of behavior. When I'm painting ...
2
votes
1answer
607 views

Normal maps are not baking

I'm trying to bake a normal map from my high-poly meshes to my low-poly meshes, for the past couple of tries I've had the same result that is shown in the picture below After about an hour of baking ...
2
votes
1answer
507 views

How can I create a normal map that points 90 degrees upward from a flat surface?

Basically, I would like to have a cross billboard (such as the one below) have it's lighting come from above it. In other words, I would like the lighting to be as if the sunshine was hitting it from ...
2
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2answers
878 views

Combine Texture Paint With Normal Map From MultiRes Bake

I have a Texture Painted Model that still has a MultiRes modifier active, and a normal map I baked from the multires. I'm trying to find a way to keep my texture painting and also incorporate my ...
2
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1answer
953 views

Creation of a seamless texture from a model

I would like to create a seamless normal map from a model I constructed. First I made a model Then I baked a texture in Cycles as a Normal map to a squared plane, with a non-seamless result As a ...
2
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0answers
87 views

How to make the cloud bump effect from my Earth Render look smoother?

I'm bothered by the Bump node in Materials. i'm trying to do a earth render and i want to recreate the cyclone's volume and have to find a good way to soften the bump effect. on the left is the ...
2
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1answer
155 views

Problem Bake Normal Maps from hight poly mesh to low poly mesh

I'm a student and this is my first experience with blender so I'm not an expert. I'm facing a problem when I try to bake normals in tangent space. hippo.blend DOWNLOAD I have two meshes ...
2
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0answers
152 views

Smooth shading faceted when using bump/normal

I noticed smooth round surfaces get faceted when I apply normal/bump map onto them, without normal/bump they are smooth. Does any one have a solution for this besides increasing subdivision? 1. ...
2
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0answers
396 views

Strange result from baking normal map

I can't seem to figure out what is happening here. A bug possibly? I went from a normal bake result to this. The only thing that changed between the two bakes was the use of a mirror modifier on the ...
2
votes
0answers
123 views

color 'blobs' in normal map - how to fix them?

My normal map I created from a high poly mesh to a retopologized low poly mesh is showing some errors. There are places at the ears, some at the neck, head; everywhere where there are high resolution ...
2
votes
1answer
1k views

Normal map seams/blocky shadows in Cycles renders

So i was rendering models from games in Cycles and in some cases the shading looks terrible, shadows are very blocky and there are visible normal map seams. I increased the size of the lamp and tried ...

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