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.

Filter by
Sorted by
Tagged with
1
vote
0answers
74 views

Why call calc_normals_split before acessing normals

When accessing normals from Mesh Loops, why do most export scripts I’ve seen, call calc_normals_split function? Isn’t this function used for custom normals? And why ...
0
votes
0answers
15 views

Baking High Poly Normals Half done

Been trying to bake normals for the first time, using cage. I've run into an issue even when following various tutorials. What would cause the bake to only bake whats shown in the image? If you need ...
0
votes
0answers
19 views

Why does pinning in blender mess up normals?

I am trying to make a cloth animation for my character and when the animation starts the normals in blender seem to be messed up.
0
votes
0answers
104 views

Blender 2.80 Beta baking texture for unity

I'm coming up with an issue I could not solve yet. I want to create assets for unity. These assets consist out of different meshes (LOD0, LOD1, ...) and multiple materials. So usually bake (albedo, ...
3
votes
3answers
4k views

Select normals pointing in a certain direction

A collegue has modelled, in Rhino, a small transparent plastic bottle (the type commonly seen holding small amounts of cosmetics etc.) with an embossed logo on the wall of the bottle. The mesh is ...
1
vote
0answers
42 views

Make Normals explicit with python

I do have a problem with normals in Blender. I tried to recreate a script for Blender that we are using in 3Ds Max at work (the original script: http://wiki.polycount.com/wiki/VertexNormal#...
0
votes
2answers
310 views

Blender (Cycles Render) Normal Map Baking goes wrong

Who I am and what I do: Hello People! I am fairly new to 3D modelling (still using 2.79) and at the moment I am working on an M1 Abrams low poly tank (around 4600 Tris). What I want to do is use ...
1
vote
1answer
321 views

How to edit a split vertex normal without affecting others?

I apologize for the long post ahead, but please bear with me: I am facing a problem which, after transferring normal, I want to edit split vertex normal to fix shading on a particular face, but avoid ...
3
votes
0answers
106 views

How can I import a pointcloud with vertex normals from .ply?

I am attempting to render a series of around 1 million cubes by using dupliverts with a point cloud and a 'base' cube. I am able to import the points using .ply format, but when I inspect the vertex ...
2
votes
2answers
178 views

Bake to an object with Solidify?

I am working on some clothing that will be using cloth sim. For this reason, it's best to keep it as a flat mesh without any thickness for the simulation. I then add a solidify modifier after the ...
2
votes
1answer
106 views

How to reverse normals of thick box

I am trying to create a box or room that has a slight thickness to the walls, with normals reversed on everything so you can always view the inside from the outside(with backface culling checked) I ...
2
votes
2answers
192 views

duplicate the mesh in edit mode and flip normals using python script

I want to make my two sided (input model is collada). so, for that i want to duplicate all the faces in edit mode and then flip normals, and then export the model as fbx. i want to do this using ...
0
votes
1answer
183 views

How can I get a smooth rounded shaped normal map?

I'm new to blender 2.8, and practicing how to bake normal maps right now. In this picture, I was trying to bake high poly cylinder to make a low poly cylinder look smoother. I just follow this ...
0
votes
1answer
49 views

How to model a flial? [duplicate]

How can I rotate them correctly? I want it with a patricle system so i can quickly add more spikes if needed
12
votes
1answer
70k views

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
2
votes
2answers
918 views

How to solve normals artifacts?

I tried to model something like a cog. I created one tenth of the cog, mirror modified on 2 axes and added a circular array modifier to get the final result, using the merge option. When I import the ...
1
vote
1answer
333 views

How to stop blender from recalculating normals?

I have a mesh (a rock wall) that I would like to split into pieces and export each piece for a game engine. The mesh has a smooth, undulating surface and when all the sections are merged into a ...
4
votes
2answers
3k views

Copying Vertex Normals

I have a mesh that needs to be split up for game design purposes (so that parts of the model can be swapped out with clothing slots) - but, naturally, splitting the mesh causes seams around the edges ...
1
vote
4answers
1k views

Is there a way to “virtually” rotate a face normal to get a different shade without actually rotating the face?

I was wondering if there's a way to only virtually rotate a face so it gets its light from a different angle, yet the geometry stays the same (like a normal map, but manually face per face) So in ...
3
votes
3answers
475 views

Is there a way to re-orient normals?

I need all my normals to be oriented in the same angle, but as you can see from my screenshot, the outer edge are turned one way and the inner edge are 90º offset, so I'm just wondering if there's a ...
10
votes
3answers
7k views

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 ...
1
vote
1answer
22 views

My baked normals only appear in material view but not rendered view? [closed]

My baked normals seem to only be appearing in material view and not rendered view. I have no idea why it would be set to this. Unless its something simpler than I'm making it. Please help! <<&...
0
votes
0answers
108 views

Blender exports Normals incorrectly

I have been using the remesh - blocks modifier and exporting it as an alembic format. However on export Blender seems to mess up the normals. This creates a sort of smoothing effect when programs such ...
1
vote
1answer
158 views

Export custom normals

I am writing an importer and exporter for a custom binary format. In this format I have triangulated mesh. Each vertex has position, normal, and UV. The importer code sets them like this and it is ...
1
vote
1answer
49 views

Normals not at centroids

Why aren't the normals for the two inner rectangles located at the rectangle centroids as are the normals for the two outer rectangles? The four rectangles are supposed to be identical. I'm running ...
1
vote
2answers
309 views

How to edit normal direction

I am trying to point the face normals to another direction than the face is facing. I want the face to be about 45 degrees and the normal pointing straight up. But no matter what I use, normal edit, ...
0
votes
1answer
27 views

Create proper UV islands without removing vertex doubles

Currently I'm creating a very low-poly model where there needs to be a high contrast between different Surfaces, so the normals of each surface must be equal to the perpendicular of the surface. When ...
3
votes
0answers
842 views

Calculating / Estimating the normal at any location on a face

In a recent answer I employed Object.ray_cast which returns the location and normal of a ray hitting a face. The normal is needed to calculate the rays reflection, ...
0
votes
1answer
89 views

Cannot get rid of smoothing. But why? (not: “But how?”)

(Note: there are many questions about smoothing - but this does not seem to be a duplicate of those. I referenced some at the bottom of this post.) I have a column. It should be smoothed around the z-...
0
votes
0answers
82 views

Textures getting darker when inside of a cube

I'm using Blender 2.79 and Cycles render. For some reason the textures get darker from the half to the top of the cube, even with the normals facing the right direction (inside). The light source is ...
1
vote
1answer
105 views

Reset Normals after Data Transfer?

I set all the normals on the leaves of the tree to point upward using Data Transfer. Unfortunately I forgot to deselect the trunk when I applied the Data Tranfer. There has to be some way to reset the ...
0
votes
1answer
117 views

How to create a notch on a surface w/o messing up with the edges?

I was making the lid of the Starbucks cup and this problem occurs to me. I don't have a clear idea how to make the notch on the lid for drinking. Knowing about the knife tool I gave myself a try, with ...
0
votes
1answer
49 views

Do Custom normals work in Animation Nodes?

Generally I want to direct polygons along custom split normals, or at least get them work in AN. Can it be done?
1
vote
0answers
29 views

eye texture issue

i'm not sure why the eye texture is appearing this way. I've already tried recaculating normals / flipping them for the eye but this has not worked. any suggestions?
0
votes
1answer
99 views

How to texture paint only one part (normal map)?

Ok, Ive baked normals and there are some I want to get rid of completely - meaning go back to the purple color so they dont show up black. I dont need them and want them gone, but need them on other ...
0
votes
0answers
38 views

Where display normals is located in Blender 2.80? [duplicate]

I would like Blender 2.80 to display face normals in edit mode. Where this option is located inside the GUI in Blender 2.8?
9
votes
2answers
157 views

What do the new popover “Normals” in 2.80 do? How to use it?

I noted a new popover in mesh edit mode: I try to play with it, add custom split normals, auto smooth, but see nothing happens with model. How to use it, or it just doesn't work?
1
vote
1answer
87 views

Does seam itself affect baking?

Hi. I can't bake properly. after countless time of trying I still don't know what causes this though the set up is exactly same as tutorial video. 'white' space just doesn't show up except for the ...
0
votes
1answer
496 views

Flat shaded normals, have weird shading artifacts

I've been working in blender for the past 3 years and never encountered something like this. When I set the normal shading for this object to flat, it shows up like this. I made sure the the faces ...
0
votes
1answer
494 views

Weird colors in normals map

so everytime i try to bake normals i get these weired colors Things worth mentioning im using blender (blender cycles) ray distance = .1 Blend file https://drive.google.com/file/d/...
0
votes
1answer
26 views

Any idea whats going on with these back legs? [duplicate]

I tried removing doubles and nothing happened. Not sure what else to try
0
votes
0answers
87 views

Normal map tangent without subdivision

When i apply a normal map tangent, i need to subdivide the mesh for the effect to happen. When i apply a normal map object, the map takes effect without subdivisions. How do i not have to subdivide ...
1
vote
0answers
474 views

Texture painting on a model with a normal map

I have a lowpoly model with a normal map with a highpoly version of it and now want to have handpainted textures for it but cant find a way to do it efficiently since once you enter texture paint mode ...
1
vote
0answers
537 views

Big problem when exporte normal map from Substance Painter to Blender

I need help. I have this problem when I export a normal map from Substance Painter to use in Blender. As you can see in the images it show some dark spots in the object, and it looks worse at ...
2
votes
1answer
122 views

Align normals to camera with material nodes

I am using the Normal Edit modifier (aka Set Split Normals) on directional mode to align an object's normals towards the camera. This gives me some of the shading that I want. However, it causes me to ...
0
votes
0answers
160 views

My normal map isn't working

I've been having troubles with baking some high-rez meshes and it seems that the problem is not my baking, but something else. I've added some topology to a "brick", retopo-ed it and then baked it, ...
0
votes
1answer
96 views

Weird triangles on flat surface - extruded svg

I extruded an svg file (vector curves) and am getting all this weirdness (triangles visible on flat surfaces) when I render it. I'm sure this is a simple answer, but what is going on?
2
votes
2answers
3k views

Cycles normal shader with colors similar to baked normals

I'm trying to render my object's normals with colors that are similar to those you get when baking normals (or the matcap normals material), i.e. the color distribution that characterizes normal maps. ...
1
vote
1answer
38 views

Normals not normal?

I was modeling a door knob and no matter how many times I recalculated normals, the doorknob renders black. Maybe it's something else but if anybody has suggestions how to fix, it would be greatly ...
0
votes
0answers
137 views

Plane backface culling

I'm trying to get a plane without one face culled. I have tried to tick the "double sided" box in the object data, but it didn't work. So i've tried to duplicate the plane, flip the normal and join ...

1 3 4 5 6 7 14