Questions tagged [light]

Questions about light, lamps, lighting and lighting issues.

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1
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1answer
15 views

Object should not be affected by one light source

I want it, so my object is affected by light but not by the light from one light source.
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0answers
20 views

Make a light ignore a specific volume [duplicate]

In Blender 2.93 / Cycles I have setup with 3 lights, a smoke volume and a Volumetric Scatter. I want a light to ignore the smoke volume completely, but still shine through the volumetric scatter. is ...
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1answer
33 views

How can I make cone look more like light?

I use cones to make it look like a spotlight. Spotlight on the left On the right is the cone. I would like to add a smear effect or something else to make it look a little more like a spotlight.
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1answer
30 views

glass backlight does not appear in final render

in the rendered viewport view I can see the emission panel behind the cube, but in the final render, it does not appear. What should be the problem? thank you
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1answer
36 views

Light inside spaceship doesn't work

I made a scene with a spaceship, I did put a sun light inside of the spaceship, but the light brightens just the outside, even if the light is inside it doesn't brightens the interior.I already tried ...
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2answers
42 views

Shading problem with displacement

I am having a problem with my shading when using displacement. This is what it should look like from the tutorial I am following (https://www.youtube.com/watch?app=desktop&v=urQT2tDV1qw) Here ...
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1answer
63 views

Why do my lights not show up on my render?

I'm new to blender and my spotlights don't seem to be rendering. I'm using Blender 2.80 EEVEE and none of my lights seems to be showing up. I have some materials that have a bright emission and they'...
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0answers
8 views

How do I fix light baking artifacts?

I am lightmapping a couple of scenes to import into Mozilla Hubs and I have been dealing with a lot of messiness when making lightmaps (diffuse baking with only direct and indirect select) and I'm ...
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0answers
14 views

Glass jar shader [duplicate]

I tried to make glass jar and the render result look like this. I don't know why the bottom of the jar look like that. Is it because the light reflection?
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1answer
71 views

How to create handsome looking glossy characters in Blender

I am just another version of you as Indians say. And this version of you needs some enlightening badly. I am trying to create nice and glossy character made sort of black reflective none transparent ...
2
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1answer
36 views

How do I make all selected lights in the scene share the same power value while negating color data

I have around a hundred point lights in this city scene that have variation in both light power and color. I noticed that, far into the project, the building interior room lights are not as bright as ...
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1answer
23 views

Help with lighting setup

The following screenshot is a photoshop mockup and basically I just want to recreate it in blender to have some more control over it. So far (I'm really new to blender) it's looking not that bad. The ...
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1answer
52 views

Black Spots On My Mesh in Unreal, but not Blender [closed]

I'm fairly new to Blender, and I'm trying to create a model to import into Unreal. I've noticed an issue where there are black spots that appear in Unreal that I can't find in Blender. I've made ...
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0answers
24 views

Blender point lights: random colour by Object ID

For my exterior visualisations I'm trying to develop a lighting system which allows me to randomize the colors of groups of lamps, instead of all lamps individually. The practical application of this ...
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1answer
30 views

Compute power (of light) received on a mesh

I'm working on an animation of basically a spotlight illuminating an object, with a second object being illuminated only by the light reflected from the first. Right now it's solely for illustrative ...
3
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1answer
23 views

How to handle the light(area)

Now I'm practicing the blender. There is problem when I handle the light I want fit the plane light to the window, but I can't snap the light vertex. Is any other way to adjust the light to the ...
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0answers
20 views

Light gives weird black spots in cycles render

I have some objects with weird black spots in cycles render, in rendered view and in the final render. I realize that it has something to do with light because, when I go to the sun settings and ...
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0answers
22 views

light and camera icons missing

Both my camera and light are completely missing. They don't appear on the 3D View and the icons are not on the outliner under the "scene" collection where they would normally be. I tried ...
0
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1answer
31 views

Will additional lights make an object appear strangely colored?

At one point during Blender Guru's lessons I became a little brave and added 3 point lights. I added them because I could not see the extremely dark renderview and render. When I brought back my ...
0
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1answer
30 views

My final render with cycles look blurry after denoise [duplicate]

I am new to blender and try to make a room everything look good until I use final render to get a high quality picture the light look wrong I try to use 1 light bounce and it didnt help at all pls ...
0
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1answer
15 views

Blender doesn't render anything on my laptop [duplicate]

So I have a decent laptop that used to render perfectly. In fact I'd throw some heavy scenes and it would do just fine. But recently after formatting my laptop, i am getting this weird issue where ...
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0answers
16 views

How to make light leaks or sun ray? [duplicate]

I saw this awesome artwork from Mohamed Chahin on instagram. Does anyone know how to make the sun ray?
2
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1answer
43 views

Computing scene luminance

I have a scene with materials and a light source with known luminous emittance. (for example, an interior scene, and clear day sunlight). I am looking to compute a physically accurate value for scene ...
0
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2answers
19 views

Eevee disable receiving light for an object

Im currently working on a Wormhole tunnel effect like this: https://www.youtube.com/watch?v=K2WTH016rfk Problem is in my scene I got objects which are flying through it and those emit light too. So if ...
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0answers
6 views

light not passing through a transparent object in eevee render engine [duplicate]

light not passing through a transparent object in eevee, is this just a limitation with eevee or am i missing something, I actually have a car model and i want the light to go through the windshield, ...
0
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1answer
29 views

Appearance of reflection of Point Light

I've been using Point Lights to give light to some candles. But how do I get the reflections in the window to appear better/nicer using Cycles? They're just yellow blobs as you can see:
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3answers
23 views

Area light rectangle can be seen in window reflection - cycles

I have little problem. My light source (area light) can be seen in window reflection Is there any fix for it. I want to keep light, reflections and everything but without that ugly thing in window
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2answers
42 views

Bake textures including light / shadows from camera's perspective

EDIT: blend file available at https://pasteall.org/blend/00e3748a22ec43a4825ad76bc6357b85 I am pre-baking textures for a model used in a game, where games art style allows for static lighting. I'm ...
5
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2answers
248 views

How to attenuate an area light so that it falls off more rapidly than Quadratically

I am using some area lights to illuminate the interior of a cabinet: However I want to attenuate the lights so their area of influence is much smaller. Like this reference image: I've tried playing ...
1
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0answers
17 views

Anyway to calculate surface area affected by lights?

was wondering if there is any way to calculate the surface area directly affected by a light source. For example, when a light source is added inside a small house model, would it be possible to ...
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0answers
23 views

Square artifacts when shining light through material

I am shining a light through a principled bsdf with transmission and getting weird square artifacts. Any ideas as to the cause? blend file: https://filebin.net/yhpnzpuic4lvree1/
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1answer
40 views

Make glass lightbulb material work?

I am making an old fashioned incandescent light bulb in cycles, with the coil inside having an emissive material. However, I am trying to find a good way to make the glass material. If I use an actual ...
0
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1answer
27 views

Eevee: Light sources appear as bright orbs in reflections

Whenever a light source is directly seen in a reflection, it gets rendered as a bright white orb. This happens with both Point and Spot and Area lamps, sun lights seem to be the only ones not affected....
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2answers
32 views

How to create Light smear in blender animation

In this picture, I'd like to make Light smears to express much more speeds in animation. How can I do this?
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0answers
17 views

How to project an image/video on a moving object?

I would like to project an image or a video like a real life projector on moving objects. Is there a picture/video projector like a light source? With the old version of blender we could use a spot ...
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0answers
22 views

How to change studio light image via python script?

In the editor, I find the following commands: ...
2
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0answers
38 views

Beginner help with Old-Style Vehicle Lights

I've been using blender seriously for all of a week now, but I have experience with modeling, texturing, and the generalities of 3D modeling from other programs. My current project involves texturing ...
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0answers
20 views

My light doesn't light up my scene. I don't see it in viewport

I need a little help please. I think I misclicked something, my lights suddenly doesn't work even though I set it to a very high value. How can I put it back?
0
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1answer
53 views

Image Sequence Rendered Purple Despite Being Within Image Sequence Range

I am trying to display a movie of 500 frames from a projector and have the image sequence of the frames called 0001.jpg to 0500.jpg all in the same folder. I have set up my image texture node with ...
0
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1answer
28 views

Theres something wrong with my viewport shading

I'm a beginner and I was making a house while I found a problem. When I turn on the Scene World in viewport shading, weird shadow casts and my house turns black
0
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1answer
23 views

How to completely evenly light a 3D molecule model

I have a 3D model of a molucule with a camera that is rotating around it. I have tried adding lights here and there but I can´t get the model evenly lit. Whenever I render it, it looks good, but then ...
3
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1answer
161 views

Hard shadows after render (cycles & eevee) V2.92

Been in Blender for one year, self-taught. The shadows after render become blackened and show up where they have no business being. The scene has a swinging light above as well as 3 graph-generated ...
0
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0answers
16 views

How to cast a tree shadow

I want to create something like this image does. I tried placing a png image as plane in front of the sun, but the shape is really blurry and unprecise unlike the reference image here. Anyone know how ...
0
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0answers
34 views

Disable ambient occlusion for a specific material (eevee)

How can I disable ambient occlusion for just a single shader? I’m rendering with Eevee. For example, I’d like everything but the grass to have ambient occlusion enabled. I’ve enabled ambient occlusion ...
0
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0answers
21 views

EEVE: see metal through glass

I'm having troubles to display metal through glass in EEVE: Here are the two options I found: Option 1: put Reflection Cubemap probe (supposed to have higher quality). The problem is that metal is ...
1
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0answers
30 views

Require help with multiple lights in EEVEE creating a clean and sharp black/white shading (shadows and light bounce)

I'm currently trying out different things for an animation series I've planned and need help with creating sharp and clean black/white shadows and light bounces, when the range of - for example - two (...
0
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0answers
30 views

Why is every thing in alpha?

I am new in blender. so I am trying this tutorial. and when I hit render view everything is in alpha. So I cant see my light source and everything. I have tried multiple things like load factory ...
0
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1answer
25 views

After find missing files, my floor wont cast any shadow

i'm working on this project of mine and i've moved the floor's texture files to another folder in order to organise my textures, but i forgot to pack the files into blender. i opened the file and and ...
0
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1answer
42 views

What setting do I need to be in to see colour?

I am new to Blender, been following Blender Guru videos... suddenly I can't see colour and I am really struggling with controlling the camera. I must have hit the wrong button... He moves too fast for ...
2
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1answer
46 views

How to add Area lights to gltf?

I want to export my scene as gltf from blender and use it in my web app with three.js. I checked "Include punctual lights" when exporting but I read that this only exports Point/Spot/...

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