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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Remove empty vertex groups?

Is there an easy (non scripted or standard script) way to remove all empty vertex groups (weight is zero). Is there an easy way to remove all empty vertex groups vertex groups regardless of current ...
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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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Is there a way to “shift click” to select several vertex groups at once and then click “select” just once?

So I have a model with about a hundred vertex groups. If I want to select the vertices of multiple vertex groups I have to click on the vertex group, then move my mouse over to "select" to click it, ...
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low level alternative for bpy.ops.object.data_transfer for weight copy

I am currently using this code for transfering weights from one obect to another: ...
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1answer
31 views

Keep getting duplicate circle

Hi I am new to Blender and I am trying to select a vertex that i can then drag down on a uv mesh sphere. However I keep getting a duplicate circle. I am so frustrated bc I do not understand why this ...
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307 views

Controlling Node Based Displacement

Hey I'm making a model that uses the experimental microdisplacement to make bumps on my mesh, but I only want the bumps to be in certain parts of the mesh. Is there some way to use vertex groups or ...
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462 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" ...
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0answers
5k views

Exporting blender shape keys animation to Unity

I created simple object with some vertex groups and shape keys and added keyframes based on the shape keys. I have problem with exporting this animation to unity. It just shows that there is only one ...
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0answers
1k views

Merge vertex into an edge

I'd like to merge a vertex into an edge without subdivide the edge and merge the vertices; i usually use the knife tool, create a second vertex in the edge, set "cursor to selected" to the first ...
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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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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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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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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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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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88 views

creating vertex group for multiple objects

I want to create vertex group of multiple objects , but it appears that you can only select one object at a time. Is there a way to assign multiple objects for vertex group?
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Blender 2.8 Vertices dissapeared

I'm currently making an airplane in Blender. Yesterday when I saved and closed Blender, the. vertices where still there. Now they are not (see screenshot). Anyone have any ideas? When I create a new ...
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313 views

Selecting Face Maps

I'm trying to select faces by assigning them to a Face Map, and then using bpy.ops.object.face_map_select(True) This works, but I can't figure out how to specify ...
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29 views

Why can't I apply material?

For some reason when I press assign a material to faces nothing happens. However when I have everything unselected and click "Select" to select all the faces under that material it also selected an ...
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54 views

How to expand an object along a curve without destroying the mesh and just follows the shape of the curve?

I'm trying to recreate a sphere with selected vertex and expanding it along a curve seems like stretching the sphere. I know it's possible with metaballs and using particles but it's not as smooth ...
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Hair isn't able to be combed

I'm trying to use different colours of hair on a single mesh, and I am using vertex groups to achieve this. When I set the hair to the 'beige' vertex group I am unable to comb it, even though I did ...
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49 views

Linked objects between blender files does not transfer vertex groups

Just modified a simple rig on a game character inside a "master" blend file with my character in T position. Had to add a vertex group after subdividing the spine bone. But when creating animation, I ...
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32 views

How can I make vertices of one object follow another object's vertices transformation?

I have 2 objects and need a vertex group of 1st object to follow all transformation of vertex group of 2nd object. I tried parenting vertex but it only parents origins so it's not what I need. And I ...
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14 views

proper link left/right assets for rigging (2.8)

Can you help me understand the error of my ways? In 2.8 have a standard character with nicely detailed & mirrored left/right sides. The character is rigged with vertex groups. Arm.L and Arm.R ...
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68 views

Create vertex groups (with names) when joining 2+ meshes

Is there some what I can in 2.8: Join multiple objects together to a single object (Ctrl-J) and use the original collection object names (Head,Arm.R,leg.R etc) to auto create vertex groups for each ...
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How to rotate just bottom half of model? With shapekeys?

Ok Ive made a paceman ghost and am trying to do what they did in Wreck it Ralph, with bottom half circling while top stays still:https://youtu.be/HgoUIvnDLGc I think I need shapekeys, but if I just ...
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102 views

Use texture + color ramp to set density vertex group for particle system

I created a landscape of diffuse shaders, e.g. for meadow and rock and combine them with a Noise Texture + ...
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1answer
2k views

Weight-painting hair particles

I'm sure there's something simple I'm missing here. I'm new to Blender and I am following a short tutorial on Youtube regarding vertex groups and hair particles. (https://www.youtube.com/watch?v=...
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1answer
123 views

Bone sharing weights with another bone?

When working on a character rig (First time) I attempted to go in and fix it's weights. Apparently afterwards I gave the, "Neck" bone of our character the weights of the, "Chest" bone. No matter as I ...
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103 views

Armature Vertex Groups Control

How does the Blender User get an parent armature to bind in [one axis orthogonal view stripes] rather than following edge loops? ... or the same effect. Question is now old. You may disregard. ...
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1answer
522 views

Automatic weights not working with rigify (auto- python checked)

Hello great blender masters. i have made a human mesh, added a rigify rig, lined everything up, clicked generate. But when i click parent with automatic weight, it parents with empty weight groups... ...
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1k views

How can I assign different colors in a single material using vertex groups?

I have a material with 8 different colors and my object has 8 different vertex groups. All of the vertex groups have assigned locations on the mesh (robot head). How can I make it so the "HeadWhite" ...
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186 views

Vertex groups and shrink wrap modifier

Is is possible to shrink wrap a vertex group of one object onto the vertex group of another? So that it only affects a specific area of both objects.
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201 views

Adding vertices with chosen weight in a vertex group - Python

I would like to add vertices in a vertex group with a weight already set by python. For example a button that set weight force to the selected vertices to 0.5: row.operator ("object....
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293 views

Face rig shapes keys

Face rig shapes keys are not working in right direction but only working in left direction. Why is this happening?
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237 views

Make groups of a mesh and export it into COLLADA file

I'm trying to create groups inside an existing mesh. I want to have those groups exported in order to referenciate them and change its properties in the game engine (I'm using SceneKit right now). I ...
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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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174 views

Armature vertex slide constraint

I know how to vertex slide vertices in edit mode using "gg", but if I attach an armature bone to those vertices, is there any way to constrain the bone to slide those vertices along the edge, since ...
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74 views

Do vertex groups have a property like 'hide_render'?

I want to make a video, where the points of a .ply pointcloud appear one after the other. I already made a script, where I placed a cube object at each desired point, joined it to the rest - I only ...
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234 views

Automatic Weight Problem - Mesh moves down and armature stays

I'm kinda new with blender so I'm not very familiar with techniques. I just watch and do what they do in Youtube. But this error is something I haven't seen on Youtube yet and I cannot explain what ...
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98 views

Customizing Hair Vertex Group Data/Links

Blender allows density and a few other properties (ex. clump) to be tied to vertex groups. However, I was wondering if there is a way to tie other properties such as the "roundness" property to a ...
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139 views

Vertex deform in mesh animation

I've made a gun model and decided to make a simple shoot animation for practice. I set up the vertex groups and bones (I'm working with vertex groups). But when I move the bone in pose mode. I get ...
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177 views

Vertex groups after applying mirror modifier

I have character (with mirror mod), after that I added rig and edited weight paint and then i applyied mirror mod, now I need to export animations and character with ogre exporter but Im getting ...
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0answers
1k views

Can't see vertex groups

I am following this tutorial http://wiki.blender.org/index.php/Doc:2.6/Manual/Your_First_Animation/2.Animating_the_Gingerbread_Man I am at the Skinning step and trying to look at vertex groups like ...
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888 views

BGE Chaging the position of a vertex in real time

I'm using the BGE and I need to change the position of a group of vertex of a soft-body while the game is running. I've tried with the code below but I don't see any change. If I print the new ...
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221 views

What is the best way to get image from vertex group?

I have a UV unwrapped plane and some faces assigned in Vertex Group. What is the best way to get an image from this data? Maybe a bLack and white image, it would best if it could be scripted in the <...
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1answer
26 views

Proportional edit mode can't be activated

Need to grab that selected vertex that you can see on the screenshot using "Proportional Editing". However, even though I activated this mode, every time when I press "G" and try to grab the vertex, ...
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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 ...
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23 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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1answer
14 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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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 ...