All Questions
Tagged with camera geometry-nodes
23
questions
4
votes
1
answer
59
views
Hide occluded vertices
Background
Using Blender 4.1 and a wireframe modifier to project a mountain mesh as a blueprint. Subterranean structures must remain visible. I'd like to remove parts of the mountain that aren't ...
- 907
0
votes
0
answers
12
views
Change UV position and rotation based on camera angle [duplicate]
In my pursuit of detailing a vast landscape, I was following the tutorial by Martin Klekner about the 2D translation of a 3D object in the 'Fake Large-scale Forests' tutorial.
Since this only allows ...
- 11
-1
votes
1
answer
59
views
Camera projection with geo-nodes
I’m trying to create camera projection with geo-nodes to store image color on point cloud color attribute, but I’m not into trigonometry at all.
What I’d like to achieve is this:
But with geo-nodes - ...
5
votes
2
answers
218
views
How to create a camera-space 2D bounding box in Geometry Nodes?
I've been trying to create a 2D bounding box. On this website I've found multiple threads about how to do this with code, but not how to do this with Geometry Nodes. Here's an example of what I ...
- 414
0
votes
0
answers
49
views
Determine if an Object is infront of the Camera or Behind it?
Is there a way in Blender (3.6.5, preferably Geo Nodes, but I'm okay with drivers or scripts as well) to figure out whether an object is behind the camera (so as to stop doing geo nodes animations and ...
- 101
0
votes
1
answer
1k
views
Geometry nodes how to capture the position of a point and use this position in a seperate node set up
This is a simplified version of what I'm after.
I have two "distribute points on faces" nodes, one instances the Cones and the other instances the Torus. (There is a node group that limits ...
1
vote
0
answers
35
views
Is there a way to make object always face the active camera or just viewport with geometry nodes? [duplicate]
Is there a way to make an object always rotate towards 3D view or active camera using geometry nodes without manually choosing targets, so it would work with multiple cameras in you scene?
I saw the ...
- 11
3
votes
3
answers
551
views
Align Camera to and Instance in Geometry nodes
I would love some help on this! I have made a GN set up that creates a UVsphere(generated in GN) and the orginal geometry where the GN is the modifier a CUBE. Is a simple Instance on points to create ...
5
votes
1
answer
2k
views
Is it possible to get camera information in Geometry Nodes?
I am trying to build a tool in out of geometry, the idea being, it targets a camera, then affects the contained geometry based on camera info.
Position, rotation, etc. isn't proving to hard to get, ...
- 51
1
vote
1
answer
566
views
Camera follow geometry nodes
I have made a random curve in geometry nodes and need the camera to follow this curve.
I can get both an empty and an object to follow it but I just can't get the camera to stick to any of it.
I have ...
0
votes
0
answers
24
views
Can I attach a Camera to a Sphere which was created with Geometry Nodes? [duplicate]
So basically I have an object with a Geometry Nodes Modifier. Within the Geometry Nodes I add a couple of UV Spheres and move them using the transform node. What I am trying to achieve is attaching a ...
- 1,168
1
vote
1
answer
489
views
How to get normal colors in Geometry Nodes
I am aware of how to get normal vector/color data for a matcap in a material.
Example of matcap normal data:
But how can that vector/color data be obtained within Geometry Nodes from the input ...
- 19.3k
0
votes
0
answers
292
views
Using Geometry Nodes, how do I get an object to have true upright camera alignment?
I was hoping I could get some help with a project I'm working on. Basically, I'm using Geometry Nodes to create a rotating dial, with an additional rotating arm holding a (planetary) sphere, ...
3
votes
3
answers
859
views
Is it possible to track an animated object within Geometry Nodes with a camera?
Is there a chance to track an object/instance generated inside Geometry Nodes with a camera? Can I provide the coordinates of an animated Object per attribute to an Object Constraint?
This is a small ...
0
votes
0
answers
105
views
simultaneous rendering from cameras in geonode instances?
Is there a way to access each camera instanced on a geometry node and render from each of them? I created a geometry node shape and was able to instance cameras on it, but I am unable to neither ...
0
votes
0
answers
23
views
Parent object to active camera? [Solved] [duplicate]
I've tried several ways to change the density of grass according to the active camera distance without success.
Is there any way to parent an object to the active camera? Or to get the active camera ...
- 958
4
votes
1
answer
783
views
GN: Can we do backface culling for points/instances?
With Geometry Nodes, is it possible to create a backface culling type effect for instancing faces? That is, prevent faces the camera will never see from populating with instances?
Really the question ...
- 19.3k
3
votes
1
answer
538
views
Billboard to scene camera?
Most of the various tips I've seen on constructing billboards (at least, without the use of the old legacy particle system) involves constraining them to the camera. This works fine for a scene with a ...
- 1,819
2
votes
3
answers
912
views
Camera along a curve with geometry nodes
I want to set the position and direction according to the curve I made at the geometry nodes.
I gave an example of how this is supposed to be
I extracted values to the camera location. I can't ...
- 43
0
votes
2
answers
798
views
How to enlarge an object( /mesh) according to its distance from the camera?
I don't know what this feature is called in general, but my goal is to have blender dynamically expand the mesh depending on the distance from the camera.
This is a technique frequently used in ...
2
votes
1
answer
984
views
How to get the "Window Texture coordinates" in Geometry nodes?
Could anyone please help me in finding out how to get the "Window" Texture coordinates that is found in texture coordinate node in shader editor?
The window coordinate node in the shader ...
- 23
1
vote
1
answer
246
views
Obstructing raycast with objects in scene without using an object info node. Is it possible?
Basically I have a scene where i have added lens flares, but i want them to disappear when an object passes over them. So far i have been using the raycast node with an Object info node, but i would ...
- 11
1
vote
1
answer
29
views
i'm adding camera for my scene to render but around my object unlimited camera is appearing and also i'm working on geometry nodes
blender2.93.1 camera issue in viewport
- 13