Questions tagged [instances]
Questions related to instancing. Instancing is used to duplicate many objects that are the same. Uses such as particles, Dupliverts.
185
questions with no upvoted or accepted answers
5
votes
0
answers
664
views
Particle Instance Modifier : colour each instance based on the emitter texture (like Hair strands materials do)
In cycles, with particle hair strands, I can get the colour from the texture of the emitter object for colouring the entire strand.
When I use the "Particle Instance" modifier on a mesh (a simple ...
- 395
3
votes
0
answers
97
views
Advanced object instancing, to create a distributed network with specific rules... help
My project is simple - create a dynamic neural network, for a stellar animation.
Using the skin modifier on a simple wireframe, I created an armature inside a softbody mesh. Next I need to instance ...
- 31
2
votes
0
answers
48
views
How do I avoid instances intersecting each other?
I have a curve to mesh object (stem) that has instances scattered along the surface randomly (thorns). They are perpendicular to the mesh normals and they rotated randomly.
I would like to achieve:
...
- 61
2
votes
0
answers
22
views
"Masonry" alignment of 2D or 3D objects of various sizes using geometry nodes
i would like to take a collection of image planes, for example, or 3D objects of various sizes and instance them in a "masonry" style distribution pattern based that arranges each instance ...
- 31
2
votes
1
answer
145
views
Is it possible to change the frame offset on a video texture when instancing with GeoNodes?
I'm fairly new to both blender and geonodes (coming from TouchDesigner / AE) and this seems like it should be a pretty easy thing to do but I am having a lot of trouble figuring it out.
I am using geo-...
- 21
2
votes
0
answers
87
views
How to preserve nested collection colors on instances using geometry nodes?
A simple case.
2 cubes in a collection using same material.
This material color is driven by an ObjectInfo node connected to and both cubes have actually different colors set in Object tab>...
2
votes
0
answers
300
views
How can I access named custom instance attributes generated with Geometry Nodes in Python?
I have a question. How can I access named custom instance attributes generated with Geometry Nodes in Python?
What I did:
I set up named custom instance attribute with Geometry Nodes, named "...
- 21
2
votes
0
answers
80
views
Particle Instance modifier : Keeping dead particles more than one frame
I'm trying to figure out a way to have a nice liquid splatter effect with a particle system. I avoid fluid simulation cause It can get to very time consuming.
I want to have a pound of liquid + motion ...
2
votes
0
answers
33
views
Building a multishell model - How can I duplicate a group of parts, but still edit children and have selective visibility?
I'm a complete novice and I need to ask for help. I am using Blender to combine existing STLs of wargaming miniatues into multishell components for 3d printing.
I have a number of parts (weapons) ...
- 31
2
votes
0
answers
731
views
Realizing Instances in Geometry nodes changes normals- how to repair?
My goal is to create an object using instances in Geometry Nodes so that I can create a lowpoly object and rip normals, etc from the GN object.
I've created a simple test setup where I'm simply ...
- 21
2
votes
1
answer
530
views
Apply Modifiers on Instanced Objects?
Is there a way to do this?
For example, adding a subdivision modifier on the default cube then Alt+D to instance it.
Going back to the first object, I'm unable to apply the modifiers.
I know that ...
- 238
2
votes
1
answer
280
views
Hide instance (original) light while keeping the instanced versions
I've created a lightchain. For that lightchain I need a point light at every "bulb", as an emitting material is too weak of a lightsource. To achieve this I have created an array of planes ...
- 115
2
votes
0
answers
86
views
Particle modifier object deformation problem
Im trying to make custom modeled monster tentacle to deform on the particle system hairs with the hair intance modifier. Particle system is animated with the turbulence field and working as expected. ...
2
votes
0
answers
87
views
Incorrect instancing Collection Instance on mirrored faces
I'm modeling mechanical bird wings. The workflow until now was:
Collection of feather parts
Instance Collection
Make a Plane, added Array -> Curve (linked to Bezier curve) -> Mirror (linked to ...
- 41
2
votes
0
answers
246
views
Instanced Objects Not Rotating When Mirrored
After instancing an object to the vertices of a line, when I apply a mirror modifier to that line (in this case, around an axis), the orientation of the instances does not rotate when mirrored (the ...
- 21
2
votes
1
answer
1k
views
is there a modifier to slightly shrink/grow mesh so it doesn't overlap?
I have build a building model in Blender.
You can see through it (semi-transparent) to view the floors of the building.
Those floors are simple planes that have a boolean modifier on it.
The object ...
- 2,468
2
votes
0
answers
1k
views
Can you edit a instancing collection in Blender 2.8?
I want to instance a collection a few times.
But when I want to change something I have to go back to the original collection which is not visible if i want to also see the instanced collection so ...
- 33
2
votes
0
answers
166
views
multiple instances of animated object
I created an animated object that consists of several pieces. now I would like to have multiple instances of it, but instead of them all being in sync I want to be able to manipulate the keyframes ...
- 571
2
votes
0
answers
640
views
Multiple instances of a rigged object
Is there a way to have multiple rigged objects that share mesh data?
I have a big hall, and want to use a rigged lamp that I have on separate file, let's say "lamp.blend". The lamp and the armature ...
- 21
1
vote
1
answer
22
views
Problem selecting/deselecting points from Instance on Points
I'm trying to deselect the last point from instancing.
I'm using the Endpoint Selection < Boolean Math - Not setup as I've ...
- 178
1
vote
0
answers
50
views
Realizing instances generated with geometry nodes while preserving rotation
Hi everyone,
I created geometry nodes and want to export them in gltf/glb format (to use with three.js). The important thing here is that as a result I need to have many individual sprinkle meshes ...
- 11
1
vote
1
answer
24
views
Simulation: Problem with normals and Align Euler to Vector
I have a problem with the align Euler to vector, In a simulation, I am distributing some points on a grid, then use instance on points to have some cube to follow the bending grid.
The problem is that ...
- 11
1
vote
0
answers
32
views
Can I use features like "Use count" in Collection Instance?
Enable Particle > Render > Use Count
And on the this image I set
Cube: 2
Cone: 3
Sphere: 21
Is it possible to set this in Geo node?
- 145
1
vote
1
answer
38
views
How to make instances appear periodically around an object
I'm experimenting with geometry nodes and I'm stuck with something I think is pretty simple but can't find a way. I just want the instances to appear around the cilinder growing and shrinking the same ...
- 11
1
vote
0
answers
56
views
Help distributing and adding noise to curves with geometry nodes
I´m trying to replicate the background elements from this cover and could use some guidance with the set up. So far I´ve tried using both geometry nodes and hair particles.
With geometry nodes I ...
1
vote
0
answers
18
views
How can I get my grass object to deform with hair particle system on a weight painted plane?
I was trying to create a cartoonish looking plane. And, this is what I have come up with as of now:
The problem here is that the grass object, that has the following modifier on it:
and the ...
- 111
1
vote
0
answers
38
views
How does instancing improve render times with Cycles?
I can understand why instancing reduces the amount of memory used since you don't duplicate the polygons of your scene, you simply reference them from multiple locations in the scene.
From a technical/...
- 111
1
vote
0
answers
23
views
How create a collection instance with python
Hi how create a collection instance with Python code example (How to avoid operator `collection_instance_add`?) this code does not work I not can link this instance to the collection
Error
...
1
vote
1
answer
86
views
How to Spawn Instances on Specific Vertices?
I am looking for an easy way to make basemeshes with interchangeable parts using Geometry Nodes.
I figured it would be interesting to use Geometry Nodes to make a random character generator: my idea ...
- 13
1
vote
0
answers
25
views
Is equal tubing on scaled, non-realized instance curves possible?
By realizing these curve circle instances, I'm able to get equal tubing per instance.
Without realizing, the tubing is scaled proportionally to the scale of the instance.
I was just wondering if ...
- 975
1
vote
0
answers
26
views
Object array is not align with the grouping plane
I have created a grouping plane for array operations. Once I put the objects as the child of the grouping plan. The location of the chair moved to new location as in the screen cap. I can still do ...
- 11
1
vote
0
answers
116
views
Delete overlapping Instances
I managed to translate instances from the vertices of a sphere to the vertices of another object.
Unfortunately I have some overlapping instances that look ugly in the rendered animation.
Now, I didn'...
- 25
1
vote
0
answers
37
views
Giving a specific rotation for each instance?
I'm fairly new to blender. Basically, I want to create a bunch of arrows/cones that I can give the rotation of each arrow individually by loading some data. The problem is that I have 5000 data points,...
- 11
1
vote
0
answers
71
views
Can I change recursive depth limit of instance ownership?
I'm creating Sierpiński triangle by chaining "Instance on Points" nodes like so:
The 🟢Instance socket implicitly converts the passed geometry to an instance. Upon conversion to an instance,...
- 29.9k
1
vote
0
answers
70
views
How to apply rotation for Text in blender?
Target : Trying to use instance for text in circle
Current without text rotation:
After Rotation of text for X (Problem)
Circle Instance Properties:
Required: Align to Vertex Normal
Tried:
...
- 113
1
vote
0
answers
123
views
How to access viewport display color from within Geometry Nodes?
I'd like to use the viewport display color of an object to influence the Geometry Nodes of that object. This is possible within Shader Nodes through the use of the "Object Info" node, which ...
- 322
1
vote
0
answers
241
views
Is there a way for a Geometry Node to get a value from an Instancer custom property, e.g., on the object's collection instance?
I'm trying to make a Collection Instance asset that contains objects with Geometry Nodes, and be able to have parameters on the Collection Instance affect the Geometry Nodes.
For example: I have an ...
- 11
1
vote
1
answer
518
views
How do you scale instances of geometry nodes from small to big, without scaling the entire geometry?
Pardon my ignorance, I'm a total noob at blender and this is my second project with geometry nodes.
I've tried following this: https://b3d.interplanety.org/en/sliding-instances-along-a-curve-in-...
- 11
1
vote
0
answers
36
views
Randomizing via color ramp collection linked meshes with same material
I downloaded a container from blender swap. The container is made of various parts with different modifiers and so on. I am using collection instances to replicate the container, but I would like to ...
- 203
1
vote
0
answers
587
views
How to link object data whilst keeping the location and rotation of all objects
I have a pretty hefty frame structure that I need to optimise. This was created by arraying a single smaller section of the frame along a curve, then arraying the result 32 times around an empty. ...
- 21
1
vote
0
answers
82
views
Make instances converge in geometry nodes
I'm working on a Draw Pencil tool to draw locks of hair using Geometry Nodes. Each strand is an instance juxtaposed along a Mesh Line with some degrees of randomization.
What I can't seem to figure ...
- 11
1
vote
0
answers
22
views
How can I duplicate a collection of models childed to an empty, and still toggle the visibility of individual models?
There's a bit more to my question than I could explain in the title.
For each instance of the empty, I need the models to appear in the same position relative to the empty. Also, if I move or rotate a ...
- 31
1
vote
0
answers
59
views
How can I instance this array along the curve?
I have created a ball chain to wrap around my object and to do this i added one uv sphere and then added a nurbs circle, array and curve modifier. The problem is that naturally each sphere add more to ...
- 113
1
vote
0
answers
101
views
Shader Nodes: how to use instancer's vertex attribute to get different colors for instances
I want to apply a color defined in the instancer's vertex attribute my_color to get the same color for the related instance. It does not work in the simple setup that I will describe below.
I created ...
- 807
1
vote
0
answers
639
views
How can I import a tree made with geometry nodes into unity?
So I made a tree with geometry nodes and to have a nice crown I instanced a lot of branches. I followed this tutorial: https://www.youtube.com/watch?v=9mkJg6BZ65k
I want to import this tree into Unity....
- 35
1
vote
0
answers
49
views
Modify instance parameter before the instance on points node, based on the position
I'm trying to make a grass field, and make flowers bloom when a 'sun' approaches the ground.
I have already solved the problem of making the grass taller and increasing the flower size, but I would ...
1
vote
0
answers
360
views
How to make slime with procedural bubbles using Geometry Nodes?
I've just installed Blender 3.0 and it has renewed my curiosity for Geometry Nodes. I was thinking of what might be a fun use for Geom Nodes and the idea oozed into my head: SLIME! Because slime has ...
- 18.6k
1
vote
1
answer
45
views
Replacement for dupli_list and dupli_list_create
I am updating older work from before 2.8. The dupli_list and dupli_list_create have caught me out though and I am unsure how ...
1
vote
0
answers
80
views
Randomizing texture coordinates has no effect on displacement texture position
I have run into the same problem as this old unanswered question, Cycles displacement material wrong uv mapping
I can shift the vector coordinates of PBR textures on instances of dupliverts to break ...
1
vote
0
answers
33
views
replace with instanced collections
Ok...
I have an imported fb, lots of separate mesh, all needing to be separated (editmode/mouse over+L/P and repeat) a majority of the mesh items are the same. I would like to model a simpler ...
- 41