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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0answers
17 views

How can I simulate cloth between one static object and one moving object?

I'm trying to replicate stretchy canvas between two ribs for an architecture project, and I need to animate the movement of one of the ribs - so the canvas would stretch as it moves. I've tried ...
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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.
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1answer
43 views

How do I remove a cloth pinning at some point of the animation?

I'm quite new in the blender world. I'm animating a balloon that has three fix points when it inflates/deflates and I want it to fly away at a certain point of the animation following the physics I ...
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0answers
24 views

vertex based occlusion with python?

i was wondering if there's a way to bake (scene scale) ambient occlusion information into an object vertex group? I believe the only option is to uv unwrap the terrain, create a new image texture, ...
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0answers
24 views

How to transfer only the vertex groups' names between two identical meshes?

I have to identical meshes. They have the same vertex groups; different names, same order and the weights from one mesh are a bit deformed. I need to only transfer the vertex groups' names. Is there a ...
1
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1answer
226 views

Armature modifier deforming mesh slightly

Whenever I add a Armature modifier to my models, the mesh for the arm and legs shift, but just a little bit. When I uncheck the Bind to vertex groups box, it restores to it's normal position but as ...
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1answer
15 views

python, add vertex group to modifier

i want to add a vertex group by it's name (vgroup22) to a surface deform modifier. the code should look kinda like this: ...
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1answer
65 views

Blender Grabbing Vertices Duplicates Them

I'm following a tutorial on how to make a low poly character and whenever the guy im watching grabs certain vertices and pulls them they move but for me, the create a duplicate version of its already ...
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0answers
11 views

Weight Painted Values For Bones Not Working

So I am encountering an issue with painting weights for a rig I have made. At first I started out using Automatic Weights when parenting the rig before going in to edit the weights, but the changes I ...
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1answer
63 views

Is there a way to assign a material to a vertex group without the vertex group being editable mesh data?

I'm not entirely sure if I'm wording that right, so I'll try to explain a little better. I have a solidify modifier applied to an object with the rim and shell marked as their own vertex groups. I ...
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2answers
111 views

Remove faces inside object

So I have a cube coming back inside of another cube ( it's the trigger guard thing going inside the gun handle ) and I want it to not go inside ( merge with the handle ) thanks !
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1answer
59 views

Creating a batch version of a script that renames Vertex Groups

I have the following code, which creates a button in the panel which when clicked creates a vertex group from all vertices in a selected obj. Is there a way I can edit to so that when I click the ...
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1answer
31 views

Q: using dynamic paint to spawn particles trough vertex groups

what is causing the particle system to not follow the density group? use modifier stack is enabled, both objects are well subdivided and the canvas object is an unmodified plane
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0answers
25 views

Is it possible to transfer a vertex group shape from one mesh to another mesh's vertex group?

Is it possible to transfer vertex group shape from one mesh to another mesh's vertex group so that the shape of the specific vertices from the destination mesh match the shape of the source's vertex ...
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0answers
9 views

my particle system is not visible in vertex group

so , i was trying to make a simple rocket propulsion animation , and was following similar steps to the ones in the veritisum tutorial for explosion , so , but , the particle system is not getting ...
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0answers
63 views

How do I rig flip flop sandals correctly?

I'm working on an advanced rig for a character wearing flip flops. I'm trying to get the rig right and is almost perfect. The only flaw is that when you turn all the foot bones at 90°, the weight ...
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0answers
17 views

Why does the object in animation don't move

As you can see I have problem with this one object. I created Vertex Groups(all assigned well), joined all objects into one, added Armature modifiers and this one object don't move with the bone. I ...
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0answers
16 views

Why is my armature causing parts of my object to separate?

I have a problem with my animation. I joined all the meshes to create one object (Lamp), added a vertex group for each and added Armature modifier, but as you can see it's falling apart. The name of ...
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1answer
165 views

Vertex Group Weights disappear when I move the bone

I have 'Vertex Group Weights' enabled in edit mode but for some reason the weight values aren't showing up on the mesh whenever I rotate a bone. I can assign a group of vertices a weight of 1 and it ...
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0answers
29 views

I have a problem with modeling with Shrinkwarp

I am modeling using ShrinkWarp. by the way after applying Shrinkwarp to some part of modeling rather than the whole part using Vertex Group, if I set the modifier order to Subdivision>ShrinkWarp, ...
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1answer
57 views

Shrinkwrap Modifier - Can't select Vertex Group

I created a vertex group to project an object on via the shrinkwrap modifier. But I can't select any vertex groups in the drop-down. Any ideas anyone? Thank you very much for taking a look!
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0answers
32 views

Adding a plane given 4 vertices in a transformed mesh

Given a mesh (i.e. plane), I have assigned 4 vertices (selected in the picture) to a vertex group. Using the Python API, this mesh is moved and partly rotated by the bones. Now I want add a new (...
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0answers
12 views

Vertex weight Edit modifier not working as expected

I wanted to have the vertex weight edit modifier driving through texture, but I have no idea why it's not working as expected I'm watching a tutorial and following the steps exactly but not getting ...
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2answers
55 views

How can I use the vertex groups of an emitter to control the material of the particles?

My use case: I'm using ANT Landscape and the Landscape Tools add-on to generate a landscape with vertex groups pre-assigned for erosion, deposit, water etc. (Landscape Tools does this for you). I'm ...
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1answer
45 views

A problem with edges and vertex after smoothing

Okay so I was practicing to model a human from scratch as a project to finish. Its not really a highly detailed one but I will be adding subsurf after. So this is what it looks like: So I decided ...
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1answer
8 views

Binding Removes Particle System Vertex Weight Map

I am using Auto-Rig Pro and have stumbled into an issue I can’t seem to resolve. I have a model with a beard created with a particle system and utilizing a vertex weight map for placement. When I set ...
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0answers
23 views

Renaming or reorder vertex groups of a mesh to match the names of a second mesh

I have two meshes which share similar vertex groups (positions), but they have different names and order. I want to reorder or rename the vertex groups from the first mesh to match the second one. The ...
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0answers
18 views

How can you pin a group of vertices so they don't move during animation?

I have an object that I want to animate by scaling it along the z-axis. I want one opening to be pinned in such a way that it doesn't move. This is not related to cloth physics in any way. The ...
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0answers
11 views

Auto weight restricted to vertex group

I want to auto weight paint, but limited to certain vertex groups. Is this possible? For example I have a big mesh that overlaps a lot of stuff, so I cant use auto weights effectively. Yet if I divide ...
3
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1answer
77 views

When joining objects, can blender make a vertex group which contains the vertices of each object that was joined?

I wanted to know if it was possible, natively or with an addon, to make Blender auto create vertex groups when joining objects, by making each joined object a vertex group? A concrete example: I have ...
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0answers
11 views

Why is my second particle system affecting the first

[Blender 2.8, Windows 10] I added a particle system to generate hair for a human head, based on a vertex group for the scalp. Styled & cut it, it worked fine. I then decided to try creating ...
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1answer
21 views

Mesh acting wierd compared to bones movement

I'm working on a robot for a video game, and some of the bones act different than the rest. Some move different parts of the mesh with unequal force even though the weight is 1.0 on all affected parts....
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0answers
13 views

How to change vertex group weights of a mesh based on active shapekey?

Not sure if the title is right, but here is my problem: I have a Jacket mesh with a shapekey that makes it into a jacket tied around the waist, the jacket is controlled by the character's armature. I ...
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0answers
27 views

Why can't I seem to remove that red part in weight painting?

I can remove the other parts but not that area. Why?
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2answers
1k views

How to add a modifier to a collection?

My goal is to reduce the faces of an object using the decimate modifier. The object I'm editing has lots of vertex groups. Blender 2.8 only lets me add the decimate modifier to a single group at once ...
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1answer
103 views

How to animate vertex colors using animation nodes

How can animation nodes drive vertex colors on an object? Details I have a time varying dataset the defines the color for each vertex in a model. I'd like to use animation nodes to drive the colors of ...
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0answers
47 views

How to copy key frames to multiple cell fractured objects while object stays in original position

Previously, I wrote on "Blender Best Car Crash Problem". Blender Best Car Crash Problem. I posted quite a few questions there. The thread has been closed. This is the first time using such ...
2
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2answers
168 views

Pin cloth vertices at a specific set of frames, and un-pin otherwise (in python)

I am using Blender 2.82a and am trying to pin cloth vertices only at a specific set of frames. The broader context is to simulate actions on a cloth, where each action is parameterized by a cloth and ...
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1answer
18 views

Blender painting brushes shortcut selection polygons 2.82. Coloring a character with vertex-group in draw mode

How do I select through the shortcuts the polygons that I am going to color or modify? In the video-tutorials I often see using the selection of polygons in the edit mode but I don't know how to use ...
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0answers
16 views

masking with vertex groups in node editor - b3d 2.83

hello does someone know if its possible yet to use a vertex groups as a masks in the node/shader editor? i want to "procedurally" mask an area to get clean and sharp edges, because i tried ...
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0answers
47 views

How to curve vertices in a vertex group to a bezier curve?

I'm new to blender so please bear with me. I have a group of vertices I want to fit to a curve. I tried using a simple deform and couldn't quite the results to look like what I wanted. Is there a way ...
0
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2answers
832 views

Weight paint substraction not working? Blender 2.8

i am trying to remove weight paint from a vertex group. Adding weight works just fine but when i change the weight scale to 0.0 it does not remove weight. What am i missing or how else do i remove ...
0
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1answer
46 views

Renaming an obj based on a Vertex Group script

I have a model with parts named obj0, obj1 etc which I am creating vertex groups with the same name for. I'm joing them together to edo and then After editing the model I split by vertices. I'm trying ...
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0answers
10 views

Mesh deformed after copying vertex groups between two identical meshes

I want to add a Mixamo animation to my 3d character model. This is how I work: I upload a character .obj to Mixamo to add a rig to it. After selecting an animation, I download everything as .fbx. In ...
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0answers
25 views

How to refresh mesh after changing vertex groups in Python?

I've written a Python add-on that modifies vertex groups in weight paint mode. The add-on successfully completes its task, but afterwards Blender's 3D view (with bone heat colors in weight paint mode)...
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1answer
63 views

Expand vertex group by texture aplha

I would like to ask how to expand or erode vertex group which is setting by alpha of texture. If there are non-destructive system it will be best. Thank you very much.
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2answers
70 views

should the polygons of a model be squares/rectangles?

I don't really know how to ask this question, I googled, but I couldn't explain myself in a very short line in the google search bar, so I didn't get any result, so I thought it would be better to ask ...
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1answer
47 views

how to pin two soft body objects together?

(new to blender) i need to have an effect of the highlighted center object (softbody) to appear to "float" within the outer object (also softbody). i want to use this later to make animations so that ...
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1answer
31 views

(Python API 2.82a)how to pin vertex group with python api

how to pin a vertex group in Cloth modifier with python API?
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0answers
25 views

How to join objects on an already weight painted object?

I created a shoe in Blender and I already rigged it and made vertex groups. I now plan to add more details on the shoe. I tried to join all the objects together, but the other objects I joined to the ...

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