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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automatic weights feature seems to be broken

I don't recall since which version of Blender but I've noticed that literally all my character models and armatures no longer work with automatic bone weights feature. None. Every single time get this ...
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2k views

Transfer weight paints / copy vertex groups results in destroyed mesh

My goal is to have one blend file with many characters (meshes) which are all assigned to the one armature. Currently i have a well designed and (already rigged) character, originally imported as ...
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How to fully weight a mesh to a bone?

I have a mesh cut up into chunks that is a 1x1 match with bones. e.g. shoulderMesh -> shoulderBone. FootMesh -> FootBone. I want the meshes to be full strength painted to the bones. Can I do this ...
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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 ...
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1answer
346 views

Accuracy of bone influence (rigging/weighting)

I'd like to find a process or a tool so that I can : Place bones to define their influence precisely so that an automatic weighting will be ok Report their influences to another bone, as i dont have ...
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1answer
707 views

How to weight all vertices for a selected bone?

I have a mesh that I tried auto painting the weights on. It didn't turn out as expected see this screen shot: I'd like to set the weight on all vertices for that bone to 0
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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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2answers
5k views

Is it possible to symmetric weight-paint an asymmetric mesh?

Is it possible to do symmetrical weight painting without manually splitting my mesh into two pieces? I've already done building my mesh. I don't want to split it into two pieces because: a) My mesh ...
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1answer
231 views

Vertices behaving like parented bone is rotating when neighbouring bones rotate

e.g. When I rotate the character's upper shin bone, the vertices behave as if her lower thigh bone is also rotating. The vertices around the lower thigh are not weighted to anything else but the ...
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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 ...
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1answer
2k views

Automatic weights deforming my character rig

I'm making my second rig, and I'm having problems when I want to set the mesh as the armature parent. Once I press Ctrl+P to open the menu and select "With automatic weights" it deforms the mesh. I ...
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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 ...
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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: ...

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