Questions tagged [volumetrics]
Questions about rendering with volumes (smoke, fog, etc.). Use this tag for both Blender Internal and Cycles.
243
questions
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34 views
Realistic Car Headlights
I was trying to create some realistic lighting for a car render and I am having a bad time creating the volumetrics for the headlights. Some of the renders looked very noisy and in general really ...
0
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1answer
33 views
Creating a translucent acrylic-like Shader
I am trying to make this model and as you can see in the reference, it looks translucent with a glow on the outer ring, like a solid block of acrylic with thickness. Also, as you can see, it emits ...
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0answers
35 views
Why I don't see the volumetrics in eevee?
I have a very strange question:I don't see any squares near the volumetrics bar in Eevee in 2.8.What can I do to solve this problem?
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1answer
20 views
Density texture in Voxel to mesh?
Hi ,
I am working on a scientific illustration.
This is a porous structure of a membrane.
How can I create the bottom part of the block?
Can I convert the density voxel to mesh?
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18 views
How can i render only the Volumetrics?
I have a scene with a lot of "fog", it does take a while to render the scene.
I would like to render only the volumetrics to reduce noise in it.
How can I render it without anything else, is it ...
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0answers
21 views
Joined Mesh not Bouncing Light
I have 2 mesh objects with the same texture applied. One is bouncing light of the plane behind it, the other (a joined mesh) is not. Not sure what's causing this but I'm sure it's a relatively easy ...
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0answers
14 views
Principled Volume outside containing Object [duplicate]
I am using the 2.8 RC2
I want to create a Material that is seethrough and colored as there will be an object inside that must be visible. It will be a red Light Emitting Diode with innards.
...
2
votes
1answer
108 views
Volumetric Caustics + HDRI Backdrop
Goal
Using Blender 2.79b + LuxCore, I'm trying to set up a scene, which would support, at the same time, both A) volumetric caustics and B) Hemi lamp + HDRI backdrop.
Problem
When I assign a ...
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0answers
26 views
Blender 2.8 volume over transparent background not showing in rendered image [duplicate]
I made this planet with a volumetric shader for the atmosphere
Left you see the atmosphere rendered in viewport mode
Right you see it just rendered out but now the volumetrics are missing
Any ...
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0answers
34 views
EEVEE _ deactivate lamp on rendering with volumetric fog, and keep only the illumination
I m working a scene on EEVEE, and I had placed some extra spot lights to illuminate my focus object. Also I have used volumetric fog. I need to keep the illumination of those spot lights but not the ...
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0answers
30 views
Physically realistic air volume
What are the correct "color", "density", and "anisotropy" settings for real-world air?
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30 views
Why does combining a surface and volume node result in a black material?
I'm trying to make a fluid with something dissolved into it. It's almost opaque but there are some spots of lower density solute. This is why I can't just use nodes on surface alone--I need to be able ...
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0answers
60 views
Camera Projection Displacement
I have been trying to recreate this c4d/Arnold tutorial in blender
and I'm stuck trying to Displace the mesh only in one direction (In the video the displacement is applied to the z axis. min 06:31). ...
1
vote
1answer
505 views
Why doesn't Volumetric follow the shape of Mesh in Eevee?
So I was in the middle of making a ball-shaped smoke, but the volumetric effect didn't work following the basic shape. It remains cube in Eevee Blender 2.8; while in Cycle it works, but in Cycle it ...
2
votes
0answers
57 views
Are eevee volumetrics always going to be confined to square shapes? [duplicate]
Far as I can tell eevee will always render any shape with a volumetric material applied as a cube or rectangle, as opposed to say a sphere or something a bit more complex.
Is this a hard limitation? ...
3
votes
0answers
182 views
Visualizing 3D voxel data in Blender 2.8
right now I'm trying to visualize my scientific 3D data in Blender 2.8. So blenders built in textures or smoke simulations do not lead to the goal.
I've read that older releases of Blender do support ...
1
vote
0answers
31 views
How to add glare effect to a object in volumetrics?
Hey guys I need your help!! I want to add the glare effect (fog glow) while volumetrics is turned on in world tab but unfortunately I am not able to do so.
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0answers
25 views
Artfacs on Volumetric clouds cycles [duplicate]
I'm trying to make a cloud with some displace, the first with a Voronoi and the second with a cloud, finishing it with a simple volume scatter shader, but when I'm rendering the cloud get same ...
0
votes
1answer
38 views
Area Lit with Volume Lighting
My understanding is that if a light is brighter, it will light a larger area. (Like a point light.) If I try this with a volume light, it seems to only light an area proportional with its scale, not ...
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vote
0answers
82 views
Render 3D probability volume (3D texture) cycles / eevee
I'm looking to render photorealistic volumes from 3D textures (think MRI scans) together with geometry.
So far, everything I've seen to do this is specific for BI, not for cycles or eevee.
However, ...
1
vote
0answers
347 views
Volumetrics in EEVEE working in viewport but not in final render
Hey so i'm working on a scence with volumetrics enabled in the eevee render setting (volumetric lightning is on as well).
It shows up in the viewport and it looks fantastic, but as soon as I press ...
3
votes
1answer
68 views
Transparent object shaddows in volume material [Blender Internal]
Currently I am fighting with lighting artefacts within a smoke simulation, when the lightsource is within the volume and especially also within a transparent object within this volume. (Note this ...
3
votes
1answer
199 views
Volumetric fire looks cuboid
I do not know why. The tutorial I followed was https://www.youtube.com/watch?v=D_ybn4tYxs4.
I am not able to get the result of a nicely shaped flame.
Below is my set up for the domain:
1
vote
1answer
57 views
Cycles Volume Scattering totally black
I have an issue with volume scattering in cycles. I modeled and textured a model in Blender Render engine and moved it to the Cycles Render engine for render, I ran into a problem with volume ...
1
vote
1answer
54 views
Volumetric lighting scene
Hello everyoane.
What settings should to apply to the light point to create in blender a scene light this?
I come with a past in Cinema 4D, there was very easy, just set the visible light to ...
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0answers
240 views
Eevee - Volume Scatter shader doesn't render but shows on preview
I also tried baking indirect light with a light probe and, the volumetric option in the render tab is activated but I still couldn't figure out how to make it appear also on render.
Maybe it's not ...
1
vote
2answers
53 views
Fake flashlight volume with smoke: how to make noise texture coordinates not to follow camera
I'am trying to fake effect of volume light beaming through smokey fog using emission shader on torus with noise texture plugged into volume output. I get the effect, but when I move camera around ...
1
vote
1answer
98 views
Fragments when rendering Volumetric Lighting in Eevee
Ive tried rendering several shots using Volumetric option in Eevee but only in one case I encountered this error, where my volumtetrics get all choppy and fragmented.
I tried all sorts of settings, ...
0
votes
1answer
882 views
Volume Scattering in 2.8 Doesn't work?
Volume scatter not working in 2.8 build for the Mac? I tried plugging in the volume scatter node to the world output and checked the volumetric box. But nothing happens in Eevee! Please help.
1
vote
1answer
59 views
Smoke renders, but not fire in 2.79 Cycles. However, both are fine in rendered viewport [duplicate]
I have a scene with a rocket launching, so obviously fire is pretty important. However, after setting up the shaders and simulation, I can't get the fire to render. Strangely, the smoke is still ...
0
votes
0answers
214 views
Principle Volume Density Node + Wave Texture not rendering in Eevee
I simply followed this tutorial at 54:26
https://www.youtube.com/watch?v=ptpGVGL-b2k
I increased the cube size by 10, made the same lighting and world settings, and checked volumetrics. When I plug ...
4
votes
1answer
2k views
Nice smoke in EEVEE
I made the smoke get rendering in Eevee, but I cannot make it looking pretty. I try to achieve a liquid nitrogen effect, but it's hard to make beautiful motion and nice colors. Even more, all the ...
3
votes
1answer
113 views
Subtle smoke under light ( eevee )
I know how to add volumetrically fog but I have no idea how to do this slow-moving smoke? that barely visible under light.
above image is a sample only.
thank you
1
vote
1answer
69 views
Sun Beams node. Where do the rays come from?
Creating Sun Rays is always a struggle.
Today, I am trying to create rays coming from below around silhouettes produced with transparent PNGs - reusing several tips I found on here.
And it seems ...
3
votes
1answer
221 views
Volumetrics behind transparent objects in eevee
I have a scene where I want to put an object with a volume renderer under glass, but I've discovered that my volumes don't seem to render when they're behind a transparent object.
I'm new to eevee, ...
7
votes
2answers
426 views
3d Volume from 2d Texture
is it somehow possible to generate volumetric information from a 2D Image Texture?
I experimented already quite a bit, but with no succes. I thought about using the RGB, or better said, the BW-...
1
vote
1answer
726 views
Blender EEVEE not rendering smoke simulation
For some reason the EEVEE viewport is actually rendering the smoke simulation, however, on the actual render, it does not seem to render it at all as if it's excluding it.
I have checked Volumetrics ...
1
vote
0answers
22 views
How to turn normal lights in a video to have more volume
So I saw this video on Aquaman-style Visual Effects, and I kind of understood how that worked. The problem was that the tutorial was made in After Effects, which I do not have access to, so I decided ...
0
votes
1answer
86 views
How to create haze around a uv sphere with emission shader [duplicate]
So, I have this lit up ball on a black background.
The background needs to be black, and i would like a sort of haze around the ball. Other questions did not solve my problem. I was thinking ...
0
votes
0answers
259 views
EEVEE Volumetric Light exlusion
I need to exclude a point light from volumetrics lights.
I tried placing a cube that surround only the spot light with a "Volume Scatter" node but it catch also volumetrics from the point light.
It ...
1
vote
1answer
198 views
Replicate the light coming from a projector
Trying to create projection light to put on a scene like this 1
Click to enlarge.
Example of the light I want to create.
How would I do something like this?
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votes
0answers
41 views
Why is the volume sampling options greyed out?
When I start a new project in Blender I have the option to change the Volume Sampling in the World Settings greyed out (the one that lets you change from Equiangular, Distance, Multiple Importance). ...
1
vote
0answers
524 views
I can't render volumetric lights in Eevee with an orthographic camera
So this is the problem I'm having, when I render volumetric lights in Eevee, they don't show up with an orthographic Camera, but they do when using a perspective camera. Why is that? is there a way to ...
1
vote
1answer
463 views
EEVEE Volumetrics disappears when I plug in a noise texture to density node
Been trying to get this to work. Am I doing something wrong or is this a bug? The volumetrics disappears when I plug in any noise to the volume scatter node. I've also tried other textures.
Thanks ...
0
votes
2answers
45 views
Unable to flip the fog upside down
I am relatively new to Blender and am doing Andrew Prices' tutorial on Youtube for "Make a Grassy Meadow". I am at minute 44:25 where he flips the mist cube upside down. Unfortunately for me when I ...
0
votes
1answer
510 views
Help me understand why my cycles render is so slow
This is NOT about asking how to speed up cycles renders. I am just confused to why a scene has taken so long to render.
Here we go:
I have a camera (WOW) looking up into treetops. Pretty simple. ...
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vote
0answers
46 views
Black spots on Z-Buffer (Depth Pass)
To begin, I'm using a MacBook Air 13" early 2005 model. I cannot render high-quality images with ease. I can only render on the iMacs my school has allowed me to use. If samples/quality is a part of ...
1
vote
1answer
152 views
Smooth the jittering colors of smoke simulation
A recent project of mine involved smoke sims and materials. This is the result, and it's mostly what I was aiming for.
However, its colors are jittery and seem to move around.
Here is the material:
...
0
votes
1answer
90 views
Volumetric Light not working on Cycles (but good in preview)
The volumetric Light shows pretty well in viewport preview, but doesn't render at all in Cycles.
4 point lights - Strength: 1000
A cube with a Volume Scatter / Density: 0.2 / Anisotrop: 0
I've made ...
4
votes
1answer
3k views
How to make fog in Blender
I want to create a scene with some fog. I need the fog to get stronger the further form the camera it is. I already have volumetric lights in the scene, but thats not good enough.
The result should ...
