Questions tagged [vertex-weights]

Each vertex in a mesh can be assigned to one or more vertex groups. In each group it has a value between 0.0 and 1.0 called a vertex weight. Use this tag for questions about the use of vertex weights.

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8
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1answer
1k views

I am not at all able to paint weight paint on the plane

I am new to Blender and I am using Blender 3.0.0 I am trying to weight paint this plane but I am unable to do it to at least a single vertex. I subdivided the plane many times but I am unable to paint....
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1answer
115 views

Adjust fall off custom curve of Vertex Weight Edit modifier using script

I'm writing a script to use with headless Blender but can't seem to figure out how to adjust the fall off curve of the Vertex Weight Edit modifier. Just want to move the upper point (1,1) down to ...
6
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1answer
1k views

A strange bias for Vertex Weight Edit Modifier

I would like to modify my vertex weight using a texture. To do so, I found out here that I can use the Vertex Weight Modifiers for this job. However, I am facing a problem that there is a strange bias ...
6
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1answer
5k views

How to set vertex weights using Blender's Python API?

Looking at the API docs I found VertexGroup.add(index, weight, type), but It cannot be called in Edit Mode. When I try to call it, I always get: RuntimeError: ...
4
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2answers
899 views

How to make an (open) object behave like rubber when penetrated by another

So uh i've got this problem with a penetrating object and another object that serves as something like a condom if you will So what I want, is for the penetrating object to not deform while moving ...
4
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1answer
4k views

Omit certain bones from Automatic Weight calculations?

I have a foot rig I've prepared in advance, for use on various characters. It has some bones that are only IK target bones, so I don't want Automatic Weights to be calculated for those when I parent ...
4
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2answers
2k views

Exporting weight and bone elements to a text file

I am sure this is a very simple thing to do. But because of my inexperience, I am having trouble with it. I havent gotten much from reading the blender python api. The answer was probably right in my ...
4
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1answer
3k views

Data transfer to a mesh with different topology

Is it possible to transfer mesh data such as UV map projection and vertex weights to another mesh that has different topology? I thought the Data Transfer Modifier could do this, but I haven't ...
4
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1answer
164 views

Head mesh displaced

I have made a conversion of a mesh for the Dragon Age 2 video-game, and though the model animates properly in-game, and the weights are fine, I can't get rid of a weird problem with the neck. As you ...
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2answers
2k views

Subtract the weights of one vertex group from another

I have an issue with a rig (this is my first time rigging) where it requires the subtraction of the weights of many different Vertex Groups from the head (root) vertex group to make the rig function ...
3
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1answer
386 views

Blender weight paint looks wrong

I'll just point out that i am quite new to using blender. I have a vertex group where each vertex has a weight of 1.0, however if i look at the weight paint for that group it seems like some vertices ...
3
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3answers
470 views

Is it possible to get a weight paint value for a vertex group inside of a material?

I suspect, but can't prove, that the answer is "No", as materials are meant to be portable. However, I don't see why we couldn't implement something that would at least look up the vertex ...
3
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1answer
2k views

Weight transfer producing undesirable results for clothing(2.78c)

Following this guide I have used the Data Transfer modifier to transfer weights from a body mesh to an item of clothing. The transfer was successful but the effectiveness was actually worse than ...
3
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1answer
647 views

Overlay Vertex Weights as Numbers in Weight Paint Mode

Is there a possibility to overlay the weights of the active Vertex Group as numbers in the viewport? It would make for a much more precise readout than the color gradients, especially when fiddling ...
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0answers
68 views

Is proportional 3D weighted decimation on cubic objects possible?

i´ve been thinking the last two days how to calculate this problem with blender, maybe im stupid and it´s simple. i need a specific decimation calculation to transform blue into green img.A img.B ...
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4answers
3k views

Where is the vertex weight panel in 2.77

"The Vertex Weights panel can be found in the right Properties region of the 3D View. It is available in Edit Mode and in Weight Paint Mode (when Vertex Selection masking is enabled as well). The ...
2
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2answers
107 views

How to animate VertexWeightProximity effect with Remesh modifier active

What I'm trying to do in blender 2.93.1: Animate a VertexWeightProximity effect (geometry nodes distributed/instanced cubes on mesh going away as empty gets near) while also animating the main mesh ...
2
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2answers
292 views

Rigify: Unexpected deformation based on a given weight paint

Okay, so I just ran into a weird problem I have no explanation for.I am used to the basics of skinning and weight painting bones to a certain portion of a mesh, but still I don't know what is going on ...
2
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1answer
6k views

How can I paint through a mesh while weight painting ? [Blender 2.8]

So I found a few questions like this already, but none of them solves the problem in the 2.8 version of blender. How can I weight paint through a mesh in front view for example? In the image below I ...
2
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1answer
131 views

attaching a child object to a parent object "error:Select either 1 or 3 vertices"

I wanted to attach that red object to the lip of parent object. https://www.youtube.com/watch?v=fGwyE1w8iZg&t=353s I have followed this tutorial Everything is good until 4:48 seconds, when he ...
2
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1answer
109 views

How can I control multiple points of a cloth sim?

I'm following a tutorial for a crate design, but I wanted to add some extra flair to it. I thought it would be cool to animate a ribbon of wires as it slides open. It's almost done, but I can't figure ...
2
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1answer
423 views

How to spot un-weighted vertices?

As you can I see have three rouge vertices that are not a part of a vertex group and/or doesn't have weights on them. Is there an easy way to spot them without going through each bone? More clearly: ...
2
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1answer
326 views

"Cluster deformers" in Blender

Does Blender have anything like Maya's (and, perhaps, C4D's) cluster deformer – the ability to group vertices and assign degrees of influence from the cluster parent to subsets of vertices in the ...
2
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2answers
2k views

Way to control mesh volume for character animation

My problem is best expressed in example: On a character, when the arm bends it tend's to self-intersect, instead of working like a muscle and, expanding and, stretching while retaining its original ...
2
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1answer
3k views

Cleanup Vertex Weights

Is there any way to cleanup/remove empty vertex weights? Namely, on each vertex in a mesh, remove any vertex weights that have a value of zero or something close to it. Note that I am referring to ...
2
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1answer
36 views

How to use a wetmap to distribute particles (how to distribute plants where moisture collects)

This is a follow-up to this question - Geometry nodes: How to distribute points on valleys only? One of the approaches considered was using particles to simulate rain, then using the wet map from ...
2
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1answer
4k views

How to recalculate the automatic weights for single bones in blender 2.8

I'm trying to weight paint correctly and quickly a 3D character in Blender 2.8. I have rigged it with auto-rig-pro and then I used the addon "Voxel and Surface Heat Diffuse Skinning" for the weight ...
2
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1answer
292 views

Painting vertex with 0.1 but it acts as if it has 1.0?

So, I am painting these vertexes, assigned only to 1 group. I put the rig in pose mode and start painting, but they move too much, so I lower the strength by a lot and paint again. No effect. Even ...
2
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1answer
373 views

Animation nodes - Vertex colors to transforms?

I apologize if this looks as spamming, but I think this should be a different question, though I am trying to achieve similar goal. I want to be able to influence matrices with several different ...
2
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1answer
1k views

How can I copy vertex groups from one mesh to another in Python?

I have an two mesh objects parented to the same parent, and I'd like to copy all the vertex groups from one object to the other (like using Transfer Weights with the Source being the "By Name"). This ...
2
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2answers
2k views

Export Vertex weights as an image

I have this model I'm trying to export to a posing software, which has its own IK system. I'm porting this model with a custom outfit, in which I decided the best approach for it would be using "...
2
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0answers
17 views

Strange issue with bones moving vertices even though they are not associated with them

I wonder if anyone can help me? I have this strange issue where a vertex (highlighted in the picture in white) has a weight of 1 linked only the neck bone. However, if I move the head bone, the vertex ...
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0answers
29 views

can not assign any weights at the vertex group

The shoe string didn't work(First image), but The shoe worked(Second image) What should I do fix the error?
2
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0answers
97 views

How to rig two separate meshes (head and body) seamlessly to a single armature

I have two separate meshes, one for the body and one for the head. Both are tied to the same armature and posing works as expected (both meshes move according to the weighted vertex groups). In order ...
2
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0answers
39 views

My mesh deforms to original placement

I tried resetting the position in pose mode with the Alt + R , Alt + G to no avail. I was guessing it has something to do with the default pose but I haven't found any way that seems to work. Just ...
2
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0answers
70 views

Why some vertex on weight paint aren't painted

I think it's very self explanatory. When I try to paint some vertex in the weight painting mode they refuse to be painted. I have the weight normalized and tried painting with auto-normalice on and ...
2
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1answer
756 views

Rigify vertex groups mesh deform error

So I imported a model into Blender that already has vertex groups and a skeleton. I then imported a metarig and made it the exact same shape as the imported skeleton. I applied the armature modifier ...
2
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0answers
581 views

Error caused by "Mirror Vertex Group"

I have prepared a simple .blend that demonstrates the issue in question. I select the vertices of which I want the weights to be mirrored over to the other side (along X). I click the "Mirror" ...
2
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0answers
1k views

Is there a way to limit influences-per-vertex weighting?

Apparently there is a limit on how many vertices can be influenced on skeletal meshes on Android and that limit is 4. Is there a way to set limits for bone-vertices influence in Blender so that when ...
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1answer
94 views

Selecting vertices in certain vertex group or certain weight

I am using blender 3.0.0 Beta I have a plane with many vertices and want to raise one of the vertices higher than others using geometry nodes. I have two approaches : 1- vertex groups 2- weighted ...
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2answers
182 views

Trying to weight paint a shoulder so that the arm doesn't clip into itself. Any tips?

So I purchased a model and rigify refuses to work when parenting the mesh to the meta rig. I think it's because the arm clips into the armpit creating a vertex hell. So I made a quick arm rig to ...
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1answer
279 views

I see no weight but mesh still deform

So this is either the weight is so small my eyes can't see it or bug. If it is the former is there a way to properly fix it? I even remove the weight in vertex mode by hand and somehow it still likes ...
1
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1answer
3k views

Why does my mesh enlarge upon applying automatic weights?

New to Blender and trying to rerig the original player model from the Unreal Engine 4. I apply automatic weights while selecting both my rig and the mesh, and after it applies, it enlarges. Files will ...
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2answers
152 views

Can i weight paint a logo?

Hi i woul like to paint my logo on a weighmap for my grass system but i cant figure out how to change the brush or use a texture like in texture paint mode. Is it nor possible? Should i draw the logo ...
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1answer
57 views

Assymetrical model with same number of vertices in each side - how to transfwer weights?

The idea: a Python script that looks at the left side, then looks at the right side group with same root name but ending with ".R", then process all vertices and copy the weights to the vertex closest ...
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2answers
157 views

How to select the edges that have bevel weight only?

Is there a way to select the edges that have bevel weight? I've seen how to select by similar angles, sharpness, yet I have not seen a bevel weight selection option.
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1answer
34 views

Assign "remainder" weights to bone?

I have a face mesh with a number of detail bones (e.g. eyebrows, lips). The latter have all been weighted accurately, but some vertex weights, whether they are contributed to by one or more bones, may ...
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1answer
78 views

Rigging Mesh With Separate Parts Deforms Incorrectly

I am trying to rig a vroid asset I exported from vroid studio: So far so good. Now, this issue is that the exported vroid mesh object is actually comprised of separate sets of connected vertices. ...
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1answer
3k views

Weight painting using Auto Rig Pro on Blender 2.8

I need help with painting weights on a rig made with auto rig pro. I cant find the correct vertex groups for the bone I'm painting. There's an arm twist offset and an arm stretch vertex groups to ...
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1answer
1k views

Can I use the weigh paint information as color vertex information?

I've came up with a question regarding weight painting and color vertex data. So this is the explanation to my question: I would like to use the gradient I created as weight paint to create a mask ...

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