Questions tagged [volumetrics]

Questions about rendering with volumes (smoke, fog, etc.). Use this tag for both Blender Internal and Cycles.

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3
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0answers
27 views

How to make an object morph into a cloud? [closed]

I want to make an animation where a ghost slowly morphs into a volumetric cloud. What's the best looking way to do that?
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0answers
7 views

How can I make an Eevee explosion volume emit light and not receive it?

See the image below of an explosion I rendered with Eevee. It looks washed out because volumetric lighting in enabled and the spotlights are hitting it. I could disable volumetric lighting but I ...
4
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1answer
36 views

How to get the volumetric display not to show overlapping triangles

I was following a tutorial online and ran into an issue with my system. (Using EVEE for the render) I have a noise texture mapped into a emission shader then connected to the volume on the material ...
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0answers
18 views

Volume object create artifacts in Eevee render

Volume for some reason turns white on the render. And also this white artifact on the left, as if I forgot to hide some object, but there is nothing there. Volume Shader I don't have a background in ...
5
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2answers
593 views

Energy Sword Smoke Effect

I am trying to recreate Ekkos sword from League of Legends. I've got most of the modeling done but I am completely stumped on making a blade that looks good. I've tried smoke sims and volumetric ...
1
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2answers
42 views

light bleed through window

I'd like to get my light to bleed through the window and create a soft edge effect around the window frames. Here is an example image I found that shows my desired effects. The light seems to pour in ...
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0answers
16 views

I'm trying to use volume scatter node on an OBJECT material in EEVEE, but every time it gets applied on WORLD

In the first image I've deleted the principle BSDF and added the volume scatter node And on the second image even though I've applied volume scatter on the cube, it gets applied on whole world why ...
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1answer
77 views

Principled Volume not showing up in Cycles Render

My Blender scene looks like this: On the left, you can see my cloud-like volume setup. The center screen is in Material Preview mode and shows my clouds (the volumes) just right. As you can see in ...
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0answers
15 views

Problem to volume liquid export

I'm new to blender, but I'm watching a lot of tutorials. I was following this video (minute 25), but at the end, I had some problems. I was exporting my bottle of oil. If I export only the bottle this ...
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0answers
18 views

Feathering the edges of a Volumetric shape object

Hi Blendonians (just came up with that haha) I apologise in advance for having no screenshots, but I think I can explain the problem. I have a street scene. On the road, there's a sewage grate. I'd ...
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0answers
29 views

Principled Volume not showing in render

I have a principled volume node attached to a cube, to create a bit of "fog" for my small scene. It shows in the viewport, but is absent in the render. For my cube, I don't have anything ...
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0answers
31 views

Emission glow through glass materrial

How to create a emission material that will glow through glass material in Cycles render? (volumetric light) I have attached the project file here: https://drive.google.com/file/d/...
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0answers
22 views

I have 3d mesh data of a mouse brain in XML format. How can I import it into blender?

I have 3d mesh data of a mouse brain in XML format. How can I import it into blender ? File Link
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0answers
20 views

Volume material disappear when I move further [duplicate]

I was trying the volume material and when I move my view further, volume disappear. My camera will set further than this so this is a problem to me, I googled about this issue but I couldn't find ...
6
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1answer
421 views

Volumetric slicing in Blender

Is there a way to slice a 3D object into planes (see attached image), merge them and export it as a single .obj? I do not want to see the parts of the object that are left between planes, I just want ...
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0answers
40 views

Cycles volumes turn red and glitchy

I am trying to make some clouds for a scene. In EEVEE the clouds look just fine, but when I view them in Cycles, they have really weird red artifacting going on. You can see this in the upper left- ...
2
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1answer
17 views

Can I define a coordinate system based on a mesh, as generated coordinates are based on a bounding box?

I am making a procedural cloud based on CGMatter's which takes the shape of the mesh assigned the cloud material, with the added ability to 'shrink' the initial (pre-distortion) volume box so the ...
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1answer
34 views

Rendering problem on a procedural cloud

I created a procedural cloud with this tutorial : https://youtu.be/lCvP917Z8uc, but when I duplicate it to create a "Clouds carpet" the invisible cube from which I created my cloud causes my ...
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0answers
34 views

Create Smaller Flames, View Video

I would like to figure out how to create smaller flames, along the lines of a couple candle flames mingled together. View the following link to see what I mean: FireVideo The quick smoke settings ...
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0answers
25 views

How to render volumetric light on a transparent image?

I have principled shader plugged into my world output and a spotlight in my scene, as well asthe film settings transpareny turned on and it keeps rending out the black background? I have provided a ...
1
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0answers
30 views

How do I scale volumetric clouds in Eevee so it looks like the camera is falling through the sky?

Camera is pointed up towards sky, and I cannot seem to get the clouds to scale down enough to make the camera look like it's falling. Here are shots of where the volumetric box starts and stops, in ...
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0answers
51 views

Eevee Volumetric Lighting Not Working

I don't know if this is a bug or a pilot error, but Eevee volumetric lighting seems to stop working after a while. In the attached test file, I started off by testing off by starting a test file with ...
1
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3answers
70 views

How To Make Volumetrics Round?

I'm currently working on a spaceship render. The engines glow and emit light. I have cubes behind each thruster that contain volumetric properties, I want these to look like a subtle back burner or ...
1
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1answer
50 views

disable volume per light object

Is there a way that I can control the volume properties per lamp? I want to create beams of light that are visible (no problem with that). But to fill in some parts I'd like to use an second light, ...
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0answers
15 views

How can I view all of the volumetric clouds in my cameras path

In the scene in the below .blend file, I've created a camera motion across a large area of water and should look like clouds are passing above in the same manor so either, the volumetric clouds aren't ...
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0answers
83 views

Eevee Volumetrics Tile Size

When using EEVEE Volumetrics the minimum Tile Size is limited to 2 pixels. Why it is not possible to use 1 pixel or even 0.5 pixels? Using higher Global Sampling does not help to refine the VDBs, ...
2
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0answers
40 views

Volume from Image Sequence

Is there a way to create Volumes (Volume Object Type in blender 2.83+) from Image Sequences? And/Or can the Volumedata be accessed/modified with python? This would be very nice for scientific ...
2
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0answers
25 views

Volumetric lights - origin point seen as a single point even with large radius

What can I do about point lights having very intense point of light at its origin when using volumetrics? I realize this is the nature of a 'point' light, but what about when the 'radius' is turned ...
1
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1answer
78 views

OpenVDB file and Blender Cycles

i imported a open vdv file and render it but I looks blocky and has weird lines in the end render I didn't change any settings from the volume, what can I do to make it, well not look like garbage
2
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0answers
157 views

Blurry nebulae in Eevee

I'm trying to render a scene in which I have nebulaes made from volumetrics. EDIT : I forgot to mention that it is a "flythrough" scene, the camera is flying through 4 successive volumetrics ...
0
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0answers
24 views

Loading Open VDB Sequence failed

I would like to purchase Embergen. There are free open VDB sequences available at https://jangafx.com/software/embergen/download/free-vdb-animations/ but after importing a .VDB sequence into Blender I ...
0
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1answer
62 views

Blurry volumetrics in viewport?

I am trying to make a procedural cloud. I followed a couple of tutorials, but every time I change to a volume shader, it gets blurry. This is the first time I'm messing around with this kind of stuff. ...
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0answers
13 views

Cycles volume render failure

I am trying to render a very straight forward scene in cycles with some volume. I have tried creating a large cube with volume, and I have also added volume to the World. Everything looks great in the ...
2
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1answer
22 views

Volume absorption boosts light levels of scene and messes with shadows

The first has a volume absorption node that is set to full white and 0 density for the water, it also has a glass BSDF set to white and an IOR of 1.33. The second image is the same, except the volume ...
2
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1answer
70 views

How can I make any mesh be filled with smoke?

I tried putting volume scatter and other nodes into the volume output in the node tree of a monkey but it creates a cube of volume around that monkey, how can I make it so it's like a monkey shaped ...
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0answers
39 views

Volume appears extremely dim in render compared to rendered view in the viewport

So, I ran a fire simulation, then imported the result as a .vdb file. I applied this shader: and that produces this result when viewed in the rendered-mode viewport When I hit F12 and render the ...
0
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1answer
35 views

Imported openVDB sequence from another scene moves around randomly

Like the title says, I did a smoke sim in another scene and tried to import the vdb sequence to a new one and the whole volume moves about semingly randomly, please help im ripping my hair out over ...
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0answers
46 views

Volume Scatter Works In Eevee But Not Cycles. Am I missing something?

I wanted to try and render a Star Trek borg scene I have in cycles to see if I could bump up the HD-ness of the outputted image file but noticed that when switching the render modes, anything that ...
1
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1answer
87 views

How to plot Pasta Shapes with Volumetrics?

For NodeVember this year, I’d like to try and plot some of the pasta shapes in the book Pasta By Design. The book contains equations that describe the shapes of pasta. I’d like to use these equations ...
0
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2answers
161 views

Create a trail effect (Meteor)

I am trying to show a sphere with a trail, like the one shown in the image. I have tried using keyframes and moving the object from one point to another, and then enabling motion blur. This is not ...
1
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0answers
15 views

Volume Scatter in Cycles Turning world black [duplicate]

I am working on creating a sunset and am having trouble getting the volume scatter node to not turn the entire world black. I have already tried numerous suggestions from other posts including ...
1
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0answers
103 views

Volumetric light causes lights to flicker in eevee

I'm having a problem where the lights on my car (and the area lamp) are flickering when i play the animation. I used a cube with the principled volume settings and the flickering is only caused when ...
0
votes
1answer
48 views

How to ease the edges of a volumetric texture?

I have a volumetric texture, and I don't know how I can ease the edges of this texture, to rub the "cube shape" of the volumetric texture. I also need this to be keyframed. I tried to use ...
4
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1answer
87 views

Workflow for filling complex shapes with a 3D pattern

Currently for work I'm supposed to visualize honeycomb patterned cardboard filling in more complex shapes, and I'm struggling a lot with finding a good workflow for doing this. The first option I ...
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0answers
75 views

Create mesh from procedural volumetric material 'isosurface'

So Rich Sedman wrote an answer / tutorial on how to make a random / organic scaffolding structure using procedural volumtetric materials. He essentially defines an isosurface in math nodes and uses ...
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0answers
66 views

Blender crashes when I use volume absorption

I recently began using Blender. I was attempting to add volume absorption to a transparent material, however when I did, Blender stopped responding and crashed. It only crashes when I try to render ...
0
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0answers
21 views

Eevee volume emission texture space is cubic even for a cylinder solid [duplicate]

I created a solid cylinder with an emitting volume material. In render mode, the glow looks cubic instead of following the circular profile of the cylinder. This could be because the texture space is ...
0
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0answers
22 views

Hollow VDB while rendering?

Rendering the VDB in viewport will give me the same, hollow-looking result as in the final render, but messing with the "wireframe" option underneath viewport display will give me a thicker ...
4
votes
1answer
244 views

Is there a way to calculate the volume difference between two objects?

I'm relatively new to Blender so apologies in advance in case this is too basic of a question. Trying to come up with a way to compare two files and identify a volumetric difference between them. For ...
0
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2answers
126 views

Apply volume to a spherical texture?

I have a quick texture applied on a UV Sphere. It is meant to be a spherical nebulae that I animate by keyframing the nodes settings (mostly color ramp, noise textures and color dodge mix shaders). ...

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