Questions tagged [vertex-groups]

Vertex groups are a group of vertices from a mesh that allow specialized selections and or editing.

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23
votes
3answers
53k views

How can I automatically generate vertex groups for an armature?

I've been trying to find this on the Blender Wiki, but I can't seem to find the details. I knew how to do it one time but I forgot how to do so now. How do you generate vertex groups for individual ...
14
votes
2answers
19k views

Locking a vertex group from modification

In a mesh there is a group of vertices which should not move after being positioned once. I would like to find a way to lock them in place for the whole duration of the project. Currently I 'lock' ...
14
votes
1answer
14k views

Some vertices don't move along with the rig

I follow this tutorial which uses rigify and I have run into some issues. Not every vertex moves along the rig. Any idea what could cause this? I applied the location and rotation for every object. ...
14
votes
3answers
10k views

Weight paint in cycles nodes?

I'm trying to use weights from a vertex group in cycles nodes to change the transparency of the mesh. But as far as I know this is still not supported. Is there any workaround that I could use? This ...
11
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3answers
11k views

How to merge vertex groups?

I need this vertex group: additively merged with this vertex group: into a third new vertex group like this:
11
votes
1answer
3k views

Finding vertices in a Vertex Group using Blender's Python API

Is there an easy way to get the vertices in a vertex group? The only way I've found is pretty brute-force - e.g., to find the vertices of object obs[i] in group "e"...
10
votes
1answer
3k views

Vertex group from texture

If I have a model, for instance UV unwrapped, how can I from a texture assign a vertex group. White = assign vertex, black = don't assign vertex, values in between = halfway assigned vertex based on ...
9
votes
3answers
22k views

How to assign vertex group to single bone

I'm trying to animate a simple character in blender. I made a very simple armature, with a bone for every moving part of the mesh. Each moving part is "stored" in a vertex group, and I would like to ...
8
votes
3answers
6k views

Is there a way to save selection by faces

I'm trying to find a way to save selection faces, tried Vertex Group, the issue with Vertex Group is that it adds the faces that are marked by 4 vertices that are added to the Vertex Group, there are ...
8
votes
2answers
5k views

How do I stick an object to another objects vertex?

I just created a plane and added a wave modifier to it, to simply make it look like something fluid. Now, I have an Object that I want to place on the surface of this fluid plane. But how do I do that?...
8
votes
1answer
20k views

What are the colored/highlighted edges in edit mode?

I have this .blend file In edit mode there are red and pink edges (see picture). Edit Mode: What colored edges mean? How can I use them?
8
votes
2answers
5k views

Checking if a vertex belongs to a vertex group in python

I'm trying to check whether or not a vertex belongs to a particular group, I've seen a couple methods, I'm wondering why the following does not move any vertices. ...
8
votes
1answer
14k views

How to select a group of vertices in edit mode?

Is it possible to select all faces of one of these groups in edit mode? I tried my luck with this extension, but i wasn't able to figure out how that works. It just says "No Group" when i select a ...
7
votes
1answer
1k views

How are the Bones assigned to the Vertex_Groups in the API?

I´m working on an export script for Blender and I´m currently stuck at exporting bone weights. Here is what i have so far(excuse me if my Python is not that clean, the syntax is pretty new to me): <...
7
votes
2answers
1k views

Is it possible to unhide only part of a mesh?

So I'm working on a mesh with sub-meshes, and as I work on various bits of the project, I hide other parts to make it easier to see what I am doing. So I work on one thing and hide a few predefined ...
7
votes
1answer
441 views

Select overlaping vertices from vertex groups

Does anyone know how could I select and view vertices which overlap from two vertex groups ?
7
votes
1answer
150 views

vertices tracking: movie clip editor

Background: I've a *.png sequence previously rendered: a moving computer Now I wanna add the video to the monitor, so need to track the image sequence. The *.blend file is the same one I rendered ...
7
votes
1answer
7k views

Bones moving wrong part of mesh?

I have an armature set up, but the bones aren't moving the mesh properly The mesh and armature: The vertex group of the bone I am going to move: As you can see, the circled region doesn't belong to ...
7
votes
0answers
410 views

Addon that implements edge/face groups similar to the vertex group feature? [duplicate]

I've found the vertex group feature very handy, but it only saves vertices, making it difficult to save edges or faces. Can somebody point me to an addon that lets me save edge/face selections?
6
votes
3answers
5k 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
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
312 views

Is it possible to animate 2 folds on the same sheet?

As can be seen on the screen shot, I want to animate first folding the top right triangle and then along the center line of the sheet using the 2nd bigger bone. and then a third fold of the left side ...
6
votes
1answer
2k views

Particle system is not using density vertex group

My particle system doesn't seem to be using the vertex group which I set to effect the density. I am a little bit confused as to why this is happening. Here is my blend file http://www.pasteall.org/...
5
votes
4answers
13k 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 ...
5
votes
2answers
381 views

Set Material to VertexGroup

I have 3 vertexgroups VG1 VG2 VG3 and 3 materials with exactly the same name VG1 VG2 VG2 as the vertexgroups, how I can assign each material to the corresponding vertexgroup in python? Also how I can ...
5
votes
2answers
402 views

How can I round up a single edge of a plane?

How can I round up a single edge of a plane? I hope the pictures help to understand the question. I'm using Blender v.2.78
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
719 views

Particle System, objects emitted colliding

Basically using particle emitter to emit trees for a forest. Problem is they emit to close to each other making it look messy is there anyway I can make the particle system detect the other particles ...
5
votes
1answer
2k 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
318 views

Vertex relative distance locking

As in the title i want to lock the distance between a group of vertices so when i edit the object they won't move in the group but be able to move as a group. Those are the vertices. Can it be ...
5
votes
1answer
3k views

Outliner -> vertex group select, not yet implemented: is it a bug?

Blender 2.69 on Ubuntu 14.04..
5
votes
1answer
1k views

Vertex Group Weight Influence

I'm having trouble with understanding vertex weight influence. As you can see, I have the vertex group painted how I want it. When binding the armature to the mesh, I used ...
5
votes
1answer
514 views

Dynamically pin cloth when animating

The way it works now is, I assign some initial pinned vertices to the cloth and model the simulation. However, I'd like to unpin some vertices and pin some new vertices in between the simulation. I ...
4
votes
3answers
9k 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
2answers
3k views

How can I get the names of the vertex groups these vertices are in?

In my mesh I have few vertices which are in more then 4 vertex groups. I know the indices of those vertices, is there a way to get names of those vertex groups? Many tnx
4
votes
4answers
2k views

Can a Vertex Group be saved as a separate .blend File?

I've created a model using makehuman after editing the hair mesh and recoloring the texture I would like to save this part of the model to be able to reuse it with other models. Can a part of a mesh ...
4
votes
3answers
7k views

How do I transfer only single vertex groups between objects?

I have two identical models and want to transfer a single vertex group from one of them to the other. I do NOT want to transfer all of the vertex groups, just a single one out of the list. Is this ...
4
votes
3answers
25k 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
1answer
5k 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
1answer
450 views

Preserving Vertices

This is a bit of an odd question but I was wondering if there is a way to preserve vertices to remain unphased when using a modifier that decimates/adds geometry? Below is a model I downloaded of a ...
4
votes
1answer
366 views

Restore vertex groups after live boolean modifier

I have several objects that I am combining with a boolean modifier, but I am not applying it as I want it to stay live as the objects move. After the boolean, I want to use other modifiers that need ...
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
9k views

How do I copy vertex groups from one object to another?

So, I decided that a previous project contained exactly what I needed to expedite a new project, so I appended the appropriate objects form the previous project to the new one. This was great, because ...
4
votes
1answer
13k views

Cycles: Assign material to vertex group

I know it's possible to have multiple shaders for one object with the internal renderer. This video explains the process. Can I use Cycles to assign a material to a vertex group so that a single ...
4
votes
2answers
651 views

Tissue add-on: How to use the Advanced Settings for animation?

Here's a simple example to illustrate. I have a tile component object (selected) and a base mesh object (active). I click the Tessellate button and the operator options box appears. Near the bottom ...
4
votes
1answer
1k views

How to assign different faces of the same object different materials? [duplicate]

I have subdivided a plane into 50 x 50 faces, then I random selected some of those faces and saved them as a group, I hid them with h and random selected among the other faces and made them another ...
4
votes
2answers
2k views

How to batch rename bones and their corresponding vertex groups?

If we have modeled a character or device or something that has many identical moving parts (arms, tentacles, etc.), and rigged one instance of such a part, how do we get all of the bones with the same ...
4
votes
1answer
3k views

How to have consistent soft body physics in a specific area of an object using vertex groups?

I'm trying to add soft body physics to a small vertex group within a larger object, thus applying the soft body behavior to that small area of the object. My end result will hopefully be an ...
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
1answer
890 views

Why is this hair particle system not properly into account the 'density' vertex group?

Having trouble with hair particle system on a vertex group on version 2.74. I have a single head mesh (post mirror-apply, already checked MeshLint and normals) with multires modifier on. I created a ...