Questions tagged [weight-painting]

Questions related to weight painting. Weight painting is a method of defining a value for things such as how much a certain vertex will be deformed by a bone, or how long hair particles should be on a certain face.

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19
votes
3answers
85k views

heat weighting: failed to find solution for one or more bones

Here is the link to my Blend file. Picture: It's nothing special but I cant figure out why I get problems rigging this mesh. It would be important and a great Help! Thanks for reading and I know ...
15
votes
2answers
20k views

How to assign a specific weight to vertices? (instead of painting it)

I was wondering that in the weight painting mode, how can I set a specific weight for a certain group of vertices instead of painting it over them?
12
votes
4answers
51k views

How do I remove weight from weight painting?

I am trying to remove some weight. I left click to add it, but I cannot figure out how to remove it.
11
votes
3answers
41k views

How can I mirror weight painting?

How can I mirror my weight painting to the opposed side of my character? I know that there is Mirror function, but it doesn't assign the weight to bones on the opposed side. Can I do it manually?
10
votes
2answers
14k views

How to paint through the mesh during weight painting

More often than not when I do weight-painting, weights on a model are the same/similar through the whole mesh (for example leg, arm), but weight painting has culling which prevents paint to go through ...
8
votes
4answers
3k views

How to animate weight-painting?

I want that particles would appear from one corner, and like a wave would go through all the plane using vertex density. Basically just to animate the weight-painting. Is it possible do it, or maybe ...
8
votes
1answer
1k views

Unable to Weight Paint in 3D viewport

I'm currently trying to spread pebbles along a plane using particle systems. Moreover, I wanted it so that it only spread on certain areas of the plane (which can be done using weight painting & ...
7
votes
1answer
3k views

How can I use an image texture as a guide for weight painting?

So I have an image of a map which I would like to use to paint vertex groups (for terrain feature particle systems) on certain areas of an object (a sphere). I have mapped the map onto the sphere. ...
7
votes
3answers
3k views

Weight Painting/Deform in shoulders

So I have been messing around a lot with the weight painting on the shoulders. I'm still new so I don't know much about the type of weights should be on the shoulders, I've tried a lot of different ...
6
votes
4answers
16k views

How to mirror copy existing vertex weights

So far I only find option to mirror the existing weights, but didn't find a way to mirror + copy it, I mean, I want to create symmetrical weights on the other side, but I also want to keep the ...
6
votes
3answers
6k views

Turn weight paint(vertex groups) into vertex paint?

Can I turn weight paint(vertex group data) into vertex paint? I would like to take the weight paint value and convert it into a black and white grey scale vertex paint map.
6
votes
1answer
4k views

I can't keep my armature in pose mode when selecting another object

I have set my armature to pose mode, and now want to select the rigged mesh so that I can weight paint it. The only way I can select the mesh as the active object is to set the armature back to object ...
6
votes
1answer
14k views

How do I control the armature in weight paint mode?

When in weight paint mode when I right click a bone it goes into object mode and selects the whole armature but what I want to do is manipulate the bones while in paint mode, as seen in tutorials, to ...
6
votes
1answer
5k views

How to restrict vertex weights to no more than N number of Bones?

I have a program that can animated a mesh using OpenGL but problematically it can only work and not crash when each vertex weight is affected as per the title to a maximum of four bones. The tutorial ...
6
votes
1answer
562 views

Rigging an Umbrella and Weight Paint

I have been trying to weight paint an umbrella to rig bones. However, I haven't been able to resolve the edges furthest away from the bones. They overlap when the umbrella is near closing. I have ...
5
votes
1answer
4k views

How to fix outdated internal index table in an addon

I downloaded Blur Weights addon, since it was made for blender 2.63 it is giving an error in blender 2.74 when trying to use it. Why does this error happens and how can it be fixed to make outdated ...
5
votes
1answer
7k views

Shortcut to switch between add and subtract in weight paint mode?

That is pretty much my question. When I am in weight paint mode, I'd like to use a key shortcut to switch between add and subtract (or cycle with mix but that's less useful in my opinion) blend mode. ...
5
votes
1answer
3k 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: ...
5
votes
1answer
3k views

How to assign vertex groups and bone weights through Blender's Python API?

I'm making a script to import custom objects, it is still at early stage but so far vertices, faces and uv are created correctly. I want to do weight painting through Blender's Python API but I don't ...
5
votes
1answer
8k views

How to select different bones while in weight paint mode?

I seem to remember being able to select different bones of a rig while in weight paint mode. However, now when I try to do this I end up selecting a face (used for masking) instead of the bone: How ...
5
votes
8answers
17k views

Weight painting not working at all (2.8)

For a little bit now I've been working on a model and I've gotten to the stage where I want to apply an armature to them. So I did the whole "Automatic weights" part and was underway to touch up the ...
5
votes
1answer
1k views

Show plane texture while in weight paint mode

Like you can see on the second image, I painted some areas brown. I made a particle system with grass an tree items and I want to use weight paint to spread them over the model. I only don't want them ...
5
votes
1answer
993 views

My weight painting only works at 100% no matter the shade

I am trying to weight paint using blender 2.73a, but no matter what weight I assign to a vertex or what shade the weight painting is it always gets influenced 100% by the armature/bone. Has anyone ...
4
votes
3answers
11k views

How to quickly remove all zero-weight vertex groups?

I wonder what is the quickest way to remove vertex groups in which all vetices have zero weight? Currently I got nearly 100 groups listed there after days of hard working, and I'm sure some of them ...
4
votes
3answers
26k views

How to connect a mesh vertex groups with an armature bones

I have this mesh and armature found in this blend file. What I want to do is to connect the bones with the created vertex groups. And I don't want to use automatic weighting option as this will create ...
4
votes
3answers
7k views

Clothes weight paint / skinning

I have a model with a jacket on it as separated object. I don't know how to attach/weight-paint jacket to make it deform without intersections with model and itself. Some parts of jacket, the edge ...
4
votes
1answer
6k views

Weight paint front and back faces at the same time

I want to know how to weight paint the back and front and sides of the selected region at once instead of keep changing the view then doing the same thing. So for example if we have a cube in front ...
4
votes
2answers
3k views

How coould I scale a bone to fit inside the models body?

the bone is too wider than the models body(hand) and it is giving me a trouble while weight painting(the model shrinks). And when I try to resize/scale the bones it doesn't go as I needed it(unable to ...
4
votes
1answer
5k views

How to paint through a whole mesh while weight painting

Is there a way to paint through a mesh while weight painting? I have clicked the "limit selection to visible" button, but I still cannot paint through all visible faces in wireframe mode.
4
votes
1answer
517 views

Weight painting a dot and not a gradient

I'm following a tutorial where the person quickly goes over everything so you have to have knowledge of the program. I am starting on beginners tutorials but had a look at How to Make Towels - Blender ...
4
votes
2answers
4k views

Is it possible to copy and paste vertex weight?

Is it possible to copy the vertex weight from 1 vertex on a body mesh, then paste that weight onto ALL the vertex of a selection (basically an accessory that's joined to the body for the purpose of ...
4
votes
2answers
888 views

Automatic Heat Weighting: Failed to find a solution for one or more bones

I am trying to do automatic weighting on this object, but I am getting a "Automatic Heat Weighting: Failed to find a solution for one or more bones". I have tried multiple things to fix this: ...
4
votes
1answer
208 views

How can I create a diffuse map that looks and reacts like a Vertex Weight map?

Goal: Create a animation of the gradient pressure map on the top of a seat as the user sits down. What I've tried: Dynamic painting works well, but I can't figure out how to get the gradient colors ...
4
votes
1answer
1k views

Weight paint, I can subtract but can't add

When I try to add weight paint it does not do anything, but when I subtract it works fine. How can I add weight paint for my rig?
4
votes
4answers
481 views

Why is automatic weights missing from ctrl+p?

I tried it on a fresh project and there I was able to successfully apply automatic weights. Here if I try to do it with empty weights I can't select bones in weight paint mode, so that's not an option....
4
votes
3answers
904 views

Weight factor - control via keyboard

I have a question regarding Weight Paint mode. I would like to have control over Weight factor via keyboard. Specifically I would like to assign value "1" of that factor to the one key and value "0" ...
4
votes
1answer
445 views

How do I copy an object without copying the weights?

I have a man I am making clothes for. when I copy his upper body to build a shirt the weight painting for the armature gets copied along with the object but I don't want it to and I can't seem to ...
4
votes
1answer
628 views

How to X-Mirror weight paint of “Weight Gradients” to .R/.L bones in Blender

I'm having trouble X-Mirroring or Topology Mirroring vertex weights of a mesh when I use the Weight Gradient tool (AltR click and drag) in Weight Paint mode. I have symmetrical bones on my character, ...
4
votes
1answer
330 views

How to copy weight painting on foot1 to foot2?

I have a mesh (half a human body) and an armature, which is mirrored by scaling -1 along x, and then fixing bone roll. The mesh is weight painted. I want to mirror the mesh. However when I use the ...
4
votes
1answer
1k views

Weight paint only working on some vertices? [v2.73]

I am trying to weight paint a mesh for a unity game, and only a few if any of the vertices are being painted. This is something I was able to do a while back in version 2.49, but now it doesn't work. ...
4
votes
1answer
965 views

How do I use dynamic paint to control hair density?

I tried using the dynamic paint modifier to control the hair density of an object but it didn't work out like I wanted it to. First is set up a plane, gave it a few subdivisions and added a dynamic ...
3
votes
2answers
6k views

(Rigging) Why are some of my vertex groups affecting blue areas?

I'm new to rigging, and am trying to make a low-poly rabbit. I've made the armature and spent the better part of an hour fine-tuning the weight painting only to find out that posing nearly any bone in ...
3
votes
2answers
5k views

How to completely remove influence of bone to mesh

.blend file I created a rig for my mesh. I created control bones, but they have influence on the mesh. How can I completly remove the influence from a bone to the mesh? I selected every single ...
3
votes
1answer
10k views

Simple methods to smooth out weight paints?

After skinning a high density (3.6k poly) hair model to it's respective bones, I disliked the results of the automatic weight paints so I removed the Weight from each Vertex Group & used the Edit ...
3
votes
1answer
1k views

Weight paint maps in/out of Blender to allow editing in Photoshop or other

I have seen this thread: How can I use an image texture as a guide for weight painting? and it allows me to use textures as a guide for weight painting... but is it possible to get weight paint maps ...
3
votes
1answer
339 views

Is it possible to see Vertex Weights in Edit Mode in the 3D View?

Is this documentation simply out of date? Is it possible to manipulate vertex weights in Edit Mode in Blender 2.8?
3
votes
2answers
5k views

When you choose automatic weights does it have settings?

The automatic weights are pretty good but I wish it had a more shallow reach per bone. Or reach by surface instead of volume. Stuff like that?
3
votes
2answers
1k views

Locate and assign weights to vertices with no weights in a Mesh

I have a mesh and I make automatic weighting. But the problem is that some vertices are not assigned to have any weight, and I can't locate these vertices due to the complexity of my mesh. I'm asking ...
3
votes
1answer
733 views

Weight painting bleeding onto adjacent faces

How can I delete the extra weight painting from the unselected area? I've selected an Area in the weight painting mode, and when I click to paint, there is weight paint over the other area. It's like ...
3
votes
1answer
9k views

Blender assign armature to mesh: “bone heat weighting failed to find solution for one or more bones”

I get this error working with Blender while I try to assigning armature's bones to an human mesh.

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