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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Parametrizing distance between objects in an array
guys. New to geometric nodes here.
I have the following objects, which are positioned manually by me
Basically I am trying to figure out a way such that the distance between the objects increases/...
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22
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Instances on curved surface controlled by a texture/mask
first post ever so thanks in advance for any help you would provide.
To summarize what I'm trying to create: I want to scatter 3 different size crystals on a curved 3D object. The crystals position is ...
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how can I make instances responsible to each-other
I can generate pipe shapes from a collection fairly easily. My node setup only generates them on some points controlled but a colorRamp and a Noise texture. I've just now figured out how to use the ...
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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,...
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Randomly reduce instances on Z axis
I am trying to randomly reduce instances placed on a grid in the Z-Axis.
This is an example for what I am looking for.
How can I achieve this using Geometry Nodes?
I'll attach my example file, which ...
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How to replace similar objects using Duplikate Linked?
I have a model of a building. I have created it in Sketchup, imported to Blender as a OBJ file. It has a lot of similar objects, like AC or windows.
I want to make this model lighter using Blender ...
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1
answer
63
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How to avoid points instancing at specific areas
I am trying to spawn points only on the faces outside the Empty and avoid spawning them inside the area where the empty sphere is colliding.
Nothing fancy in the geonodes as of now. I tried using the ...
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85
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Geometry Nodes: Start point of the curve does not affected when using the Trim Curve node
I'm using Proximity to change Z-position of the instances. Proximity is controlled by the Trim Curve node. The problem is that the start point of the curve is not affected. Is there a way to fix this ...
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Can I use the vertex groups of instanced objects to affect rotation strength in geometry nodes?
I am using geometry nodes and have created a system for rotating instances of grass in a wave pattern. However, the rotation affects the entire instanced object. Is there a way to have the rotation be ...
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33
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GEONODES - Can I expand or push apart instances with another object?
I'd like to push apart these instances using the sphere in the picture, so that they would copy it's surface - change their position without changing their scale. Is it possible?
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How to modify the offset of an instance previously 'naturaly rotated' with Geometry Nodes?
I want to create a little sphere with big towers of diferent height above.
First I create the tower with a height of 11 floors.
After I create a sphere.
With Geometry Nodes I place the towers above ...
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Geometry Nodes: Creating a path of blocks falling onto a curve sequentially from its beginning to its end
Trying to create a path of blocks falling onto a curve sequentially from its beginning to its end. Right now this only works if the clockwise and counterclockwise rotations of the curve alternate.
If ...
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82
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Geometry nodes: Setting the Position of an Object based on the Position of an instance
I would like to reveal a text by slicing a string, and I would like an object to appear right next to the last revealed character (something like a cursor). I tried to capture the position of the last ...
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3D print from geometry nodes
8 weeks into downloading Blender with the aim to creating std files for 3D printing I have managed to follow tutorials etc to the stage where i have placed some 200 instances on a fibonacci curve
I ...
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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:
...
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13
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View instance index in viewport?
Is it possible to show the instance ID of instances in the viewport while in object mode, like one can do for vertices or faces while in mesh edit mode?
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Geometry Nodes: Is it possible to change light power?
Is it possible to drive the power of an instanced light through geometry nodes?
Use Case:
In the scene there are a couple of instance lights driven by geometry nodes in a point cloud. The lights are ...
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How to correctly import whitewater particles from fluid simulation (FLIP fluids)?
I exported a FLIP fluids simulation to Alembic (.abc) and imported it into another blend file.
The fluid itself works fine however the whitewater particles are not visible.
According to the docs, I ...
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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 ...
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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-...
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Is there a way to delete a selection of instances in Geometry Nodes that intersect with a completely different set of instances in the same node tree?
I am pretty new to geometry nodes and blender as a whole and I got stuck trying to work this problem out, so forgive my inexperience please.
I am trying to create a procedural room (from the backrooms ...
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How to apply a square mesh to every face of another object?
I'm, sure there's a feature for this, but I don't know the name or how to search for it. basically I want to recreate the ceiling of the pantheon:
I was thinking I could make a half-sphere, and then ...
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105
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How can I randomly scatter objects uniquely within diferent instances in Geometry Nodes?
I made a procedural Overhead Sign Group Node. See .blend file below.
I have a collection of 5 blue panels which I distribute over the metal framework by creating a mesh line and points.
Now the order ...
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48
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Instance Object not position correctly
I was follow donut tutorial to make sprinkle on donut but the sprinkle position underneath the icing
timestamp 8:20 https://www.youtube.com/watch?v=jNmnPXY9UQA&t=511s
X ray mode
And I have try a ...
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2
answers
111
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Asset won't render at all
I have a problem that occasionally occurs when rendering premade assets. Namely, I create some assets so I can speed up my work but at some point, some or all assets that have been added to the new ...
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2
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76
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Hide instances outside of area
If I make a grid of 10x10 instances, and then draw a shape, how can I make the instances only appear within that shape?
Instances are just made from collection instances. Nothing fancy, no arrays, no ...
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Randomized Object Per Instance on Point [duplicate]
My current node set up is as follows with the Object being "imported" into geometry nodes, getting modified by a node and a node group, before being instanced to the points. I would like to ...
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Is It Possible to Create Shape Keys for Objects Created Through Geometry Nodes When the Geometry Has Not Been Realized?
I'm tasked with creating an animation for some expanding foam insulation, and I'm trying to figure out how this might be done with my current approach. At the moment, I have two geometry node setups: ...
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65
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Radius size in instances [duplicate]
I have icospheres instanced on a sphere and when I vary their sizes, I get unwanted results like the one in the first screenshot. I want the icospheres to vary in size while keeping their radius like ...
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41
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Having trouble aligning an instanced mesh to another object
I am trying to create this Geode and so far so good. However I can't seem to align these crystals I created so that they face inwardly. I have tried to align them using the Align Euler node to no ...
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How to randomize deviation of position per instance with Geometry nodes
I have a GeometryNode setup with which I generate instances in X,Y,Z directions and randomly change the angle of each instance. This works fine. Now I would like to control slight deviations of the ...
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2
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142
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How to prevent instances from going beyond a curve length?
When instancing object on a curve, the first and last objects go beyond the curve length, like in this picture:
If I adjust the position of the first and last point, it creates a new problem where ...
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Varying a size of instances [duplicate]
I have icospheres instanced on a sphere in the first screenshot and I want the icospheres to vary in size like the spheres in the second screenshot. How do I do that?
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Coating the internal wall and the nanoparticles in 3D porous structure [duplicate]
I'm a Blender newbie.
I want to coat the internal wall of the 3D porous structure (attached) with another material.
I would appreciate your feedback.
Thanks.
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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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Instances Aren't Behaving Independently with Proximity 3.0
Alright, I have checked about for similar questions but I've done something quite niche with my mesh to try and replicate shape keys within geometry nodes so I think this might be a special case that ...
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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 ...
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1
answer
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Controlled points on faces
I am new to Blender. I want to create a couple of 3D structures resembling the attached 2D porous structure for scientific publication
I was able to create the first part with some help from this ...
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1
answer
247
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How can I use image texture to mask point instancing in Geometry node?
I have digital elevation terrain with image texture. I want to instance trees on the green channel of texture. I already isolate the Green Channel in photoshop and make it black and white as a mask. ...
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2
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438
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Distribute points in volume without instances intersecting
I have been fighting with intersecting instances in a volume for a long time now and can't find a solution and also lack knowledge of nodes. "Distributing points on faces" node has a "...
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0
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16
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blender linking objects doesnt take rotation into account
how can I make it so it actually takes the rotation of the linking into account.
3
votes
1
answer
140
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Instances are shaking when using geometry proximity node
I am making a simple animation using the amazing Geometry Proximity, and I have a little problem: the instances shake weirdly when the proximity target object moves ahead.
Here is the node tree:
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1
answer
80
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Randomly tint generated instances
I'm a relative Blender novice, but I've started using Geometry Nodes to generate a roof from a single roof tile mesh, adding randomisation to the position and rotation of each instance to create a ...
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1
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95
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Different appearance between material preview, viewport shading, and rendered image
For some reason, when switching between different viewing modes, as well as rendering through a camera, my image texture is appearing differently for each mode. I have it set up to assign one of two ...
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1
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125
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With Geometry nodes. How do you select the lowest instance on the z-axis?
I'm trying to create a procedural island, and I need to find the lowest instance on the z-axis with Geometry nodes. In order to start a curve from that point.
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Want to Overlay an Image on top of many instanced object in a grid
I am trying to recreate the intro to the show Ted Lasso, and ran into a problem.
When trying to overlay this image:
overtop my seating configuration, I only get a blue color on the seats. The seats ...
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101
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Procedural natural stone wall in geonodes
So im trying to make this pirate cave and im stuck on getting the walls/ceiling to look anywhere close to realistic stone. I tried to instance objects on a plane but got a result that looks both ...
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17
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Curve modifier not tracking paths in instanced collection
I have a collection in one file with several paths defined, and I am using the curve modifier to animate emissive streaks to follow a set of wiggly paths as shown below. I am creating an instance of ...
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64
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Instance Points on Curve only at peaks and troughs Geometry Nodes
So im trying to attach ropes to this bridge at every peak and every trough, specifically everywhere the gradient of the curve is zero. Is it possible to calculate this in Blender so the ropes are only ...
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Geo nodes: realizing instances loses uv maps / texture
System: RTX 3080, Ryzen 5 3600, 16GB RAM, Windows 10
Disclaimer: I am very new to blender.
Hi everyone!
My main goal is to export the LEGO version of my model with the correct colors (as shown in ...
