Questions tagged [instances]
Questions related to instancing. Instancing is used to duplicate many objects that are the same. Uses such as particles, Dupliverts.
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Control Instance Color with Geometry Nodes
I'm excitedly playing with the new Geometry Nodes system, but I've run into a limitation.
I would like to control the color of object instances created with the ...
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How can I instantiate a procedural node group with different parameters?
Suppose I have a beautiful node group that procedurally generates a plant (or building or whatever) for me:
PS: This plant is available here: Staggered palm frond leaves with Geometry Nodes?
Now I ...
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File optimization: Duplicate or linked duplicate?
I'm currently in the process of optimizing my blend file.
I am still relatively new at blender and would like some documentation on file size and render time reduction using linked or unlinked ...
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Applying Dupli-Objects
Is it possible to bake dupliverts into one mesh for the BGE? (I have a large ground landscape that I use as the parent to duplicate trees, and the BGE doesn't support most modifiers.)
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Is there a way to procedurally scatter objects on the ground of my scene? [duplicate]
I would like to have plants, rocks, sticks and other debris scattered randomly on the ground in my scene, but I don't want to have to place it all there by hand. Is there an easy way to do this in ...
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Lamp Posts: correctly oriented instances on a 3D curve
I'm trying to create a row of street lights, both the lamp pole and a spot light. Since i can't simply join these two and use an array + curve modifier to set this up (using an array modifier + a ...
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Geometry Nodes instance scale based on distance from other instances (Circle Packing)
On the left is a standard instance on points, on the right a sketch of what I want to achieve, where the instances scale based on their distance to the closest other instance.
How can I achieve ...
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How can Particle Objects copy emitter's color texture?
I'd like to make a scientifically accurate animated snake using particle objects (and no, sculpting or bump mapping won't be realistic enough because real scales don't actually shrink and stretch when ...
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Coral reef - How to blend scattered instances
I'm trying to recreate the surface of a coral reef, and I would like to experiment a little with geometry nodes.
My result so far, I just do a Distribute points on face, and Instance on points.
My ...
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How to efficiently instantiate object with memory-hungry modifiers?
Using Alt + D to duplicate light meshes with heavy modifiers (like a leaf with a particle instance modifier or a trunk with a subdivision modifier) can lead to huge memory usage. Because only the base ...
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How to render a collection instance but not the original collection in blender 2.8?
I am using blender 2.8.
This is a contrived example, I am working on another project with many 'assets'.
I have created a collection called 'gizmo', grouped under 'Assets'.
This is at (0,0,0) in ...
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Why are the objects in my hair particle system not sitting on top of the ground?
I made a hair particle system and set the Dupli Group to a group of 3 objects. Each of the 3 objects has:
it's origin set to be touching the XY plane (on layer 2)
it's Scale applied to 1 and it's ...
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In Blender 3.0, how can we control instance properties (scale, etc.) by proximity?
I've been looking at tutorials and various node tree screenshots, but since the 3.0 release many aspects of Geometry Nodes have changed, making those sources largely irrelevant.
In 3.0, how can we use ...
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Geometry node spacing along curve
Is there a way to have the bolts instanced along a curve in geometry nodes with proper spacing between one another on each side of the pipe? I want each segment of pipe to have the same amount of ...
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How to assign different material for instance objects
I have an object and I made instances of it, but everything is connected, shape & material...etc, how to assign different materials to those instanced objects ??
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How can I use weight paint values to change the scale in geometry nodes?
I am creating a scene in blender and want my grass to grow shorter near the path and the lake by taking data from weight paint, it was simple to achieve using the particle system, but I have no idea ...
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Geometry Nodes: Set Different Material on Each Instance
I'm trying to set a different existing material on 5 Instances made with Instance on Points. Trying both 3.0.1 and 3.1 to no avail.
Is there any value or attribute that signifies which instance you ...
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Random values to string on each instance in Geometry Nodes?
I have a displaced grid 200x200 points. Then I have the same grid but narrowed selection on which I instance the lines And the strings.
My question is... Is there any possibility to get different ...
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Random color on multiple multi-component objects obtained by applying an array modifier
I have a shipping container made up of around 30 different meshes. I want 3200 containers stacked together, each with a single random colour of a selected gradient (red container, blue container, ...
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Can you use geometry node data to affect the material of instanced objects? (E.g. scale changes color)
Specifically, is there any way to change the color of the instanced cubes based on their scale attribute?
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Prevent Z-fighting of GN billboard instances?
Is there a way to prevent z-fighting of planar instances generated using Geometry Nodes?
Random distance doesn't space my planes far enough apart from each other.
Maybe there is a way to implement ...
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How to duplicate an object along an edge without warping or rotating it
I am trying to find a way to duplicate an object along an edge but the 3 different methods I can find either rotate the object; warp the object or give limited control. Here are images and ...
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Scientific visualization - How to replicate instances around a sphere?
I want to replicate a protein structure around an icosahedron. Basically a vesicle of protein structure is what we want:
When I am instancing the protein structure using each vertex of the ...
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How can I find two vertex indexes per face on a mesh to create a secondary alignment vector
I've had troubles in the past with instance spinning when using "Align Euler to Vector" to align instances to face normals on deforming meshes. I have a setup that eliminates all spinning ...
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Python: Get Geometry Node Instances
I would like to get Geometry Node Instances through Python. Instance Mesh, Position, Rotation, Scale.
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Can't change shapekey values on a linked mesh?
So, I need to show the same human body in a few different states (like "smile" and "frown"). Yay shapekeys!
Unfortunately, when I link this object from the asset file to the rendering file, I have to ...
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Rotating Instances on a Curve with Tilt
How do you rotate instances along a curve using the Tilt in edit mode?
I have seen a lot of tutorials on aligning instances to the tangent or controlling the tilt from inside the geometry nodes setup ...
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Is there a way to array an object along multiple curves without having to duplicate the object for each curve
I am currently using array and curve modifiers to array a vertex along a curve and then instancing an object to that vertex in order to avoid the object getting warped or rotated while following the ...
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Storing many instances efficiently
Theres a few aspects to what I am looking for in terms of solution.
We deal with extremely large scenes, and take huge advantage of instancing, dupligroups and particle systems
However, when you ...
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How do I switch low with highpoly models?
I've heard this trick at the conference, but I can't remember it nor find the video.
I have 300 instances of the same linked group in a scene and I want to use a low poly version for the camera work. ...
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Geometry node - instantiating a cube only in the middle of another geometry edge
I would like to instantiate a cube in the middle of an edge of an ico sphere.
I'm thinking about converting to a curve, subdividing it and then make a mask between the primitive sphere and the ...
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looking for a way to evenly space objects instances across mesh
I'm wondering what the best way is to evenly distribute objects onto another object. I have a circular object that I would like to evenly distribute these instances onto. I was thinking geometry nodes ...
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Array Modifier that creates Instances instead of duplicates
Let me know if I'm incorrect here.
When I press Alt–D I create an instance of an object. My triangle count don't change though.
When I press Shift–D I create a duplicate of an object. Triangle count ...
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Why won't Curve Parameter scale my instances?
I am trying to make (simplified example) the following:
A curve
with icospheres along its length
where the radius and distance between icospheres is proportional to the distance from the start-point ...
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Alternative to dupliframes in 2.8?
Is there some way how to instance objects along path/curve without deformation? All forums and questions I've found are related to 2.79 and they are all using dupliframes, however there is no such ...
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How do I place a random object from a specific collection?
Hi all. I am attempting to instance 2 objects at the center of a plane using geo nodes. The suzanne will always be instanced, but the second object will be chosen randomly from a collection. My node ...
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Array with random objects? [duplicate]
I have a collection of objects in my scene that I want to randomly duplicate in a similar fashion to the Array modifier. How would I go about doing this, would I need to program this function myself?
...
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Assign a different material to objects within dupli_group instances
Say you have a cube and a sphere grouped as 'Group'. You instanciate that group and link it to the scene. Now when you click on the instance, there is no material panel.
See the two pictures below ...
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Which is more efficient? duplifaces, particles, or group instances?
Particles give more controls for doing things like randomizing rotation of instances, but duplifaces and group instances allow for rotation and scale of individual instances.
For something like ...
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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 ...
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How can I change binary numbers from from top to bottom?
I created a plane and subdivided it 49 times to create a decent amount of vertices.
I did this to instance the numbers 0 and 1 along each point to create a binary animation that randomly changes
...
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How do I skew distribution of random values for Geometry Nodes?
I am trying to instance rocks on an open field. Part of the instancing involves randomizing the scale of the rocks.
What I hope to achieve is to skew the distribution of the random values towards ...
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How to make a shader with different emission strengths, depending on the object it is associated to?
I'm working on a lyrics video
In this scene there are 41 curved neons going from the floor to the wall in front of the camera.
I'd like to make their shader bright at the center (where the "...
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Can you animate individual origins of instances in geometry nodes?
Is there a way to tell geometry nodes to apply a different value to each instance? I have a file where I have a row of instanced rings. I want to apply a sine animation where each ring is slightly ...
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How to align an object along a spiral without distortion?
Goal: I am trying to create a helix made of stacks of an object.
How I tried to do it:
I created an Archimedian Spiral with the desired dimenisons
Since the object itself always is distorted when I ...
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Instancing - make real and join - duplicates itself
I made object A where the instances will go, parented object B to it, and activated ...
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Animation Nodes: Object Instancer | Update instances & Splines from object origin
Experimenting again with animation nodes, I'd like my scene like:
Have a cube in the center which I can copy n times with the Object
Instancer node
The cube has a Modifier (Wireframe) and its ...
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How to give a variable rotation, scale or location offset to dupligroups objects?
I would like to bring a natural look to my dupligroups by giving every instance a different scale and/or rotation.
Predictable: All locations, rotations and scales fields in blender can be computed (...
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Traffic along a curve in Geo Nodes without clipping (overlapping)
I made a traffic system with Geometry Nodes as you can see below. (Thanks to the How to make Traffic Systems in Blender video by Bbbn19 on YouTube)
The problem is that clipping occurs and that I can't ...
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How to Generate a Collection of Instances in Geometry Nodes?
I would like a mix of different branches and not just the same instance. I know that it is possible with objects that already exist in a collection in the outliner but is it possible to create a ...
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