Questions tagged [light]

Questions about light, lamps, lighting and lighting issues.

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12 views

Certain vertices and edges are discolored (2.79b)

I've been wrestling with some free assets that refuse to render correctly no matter what I do. Currently I have a blend file with many imported glTF files, they all seem to render properly enough ...
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1answer
9 views

How can one change the size of a sun lamp in Blender 2.79?

I can't seem to find out where to change the size of the sun lamp. When I look under the sun lamp properties, it only displays "Energy" instead of "Size". Can someone help me with this?
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1answer
7 views

Blender 2.8 - how to eliminate a shadow

I have a scene that I otherwise like, but has a shadow on a plane (image) that is serving as a backdrop. Is there a setting I can adjust on the plane/image that will eliminate shadows cast on it? ...
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1answer
19 views

Blender 2.8 which rendering + engine will give me what I want

In Blender 2.8, I am trying to create a .png file of my scene. I have been using Render > Render Image but I don't get any reasonable result (either all dark, or colors wrong, etc). I have tried ...
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9 views

Toon Shader Programming/Noise Generation/Line Coloring

First off, I need two types of shaders, one for the "background" objects, and another for the "cel/moving" objects. The output will look something like this (but in color): (Mickey & the ship's ...
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1answer
15 views

Why is the fire not rendering when sphere (domain) in viewport is hidden?

The actual question is basically what I'm asking. The Sphere is the domain so the fire and other animations will be contained within it. I would like to hide this sphere for a much more realistic ...
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1answer
18 views

Blender 2.8 - light / lamp object

I must be missing something completely obvious. In Blender 2.8, starting with a new scene (File > New > General) I am looking at a cube, light and camera. The light doesn't appear to do anything. ...
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30 views

Why are my faces different colors with the same material on them?

I don't know why this is happening is it because of the light? Something new with how lights/shadows work in 2.8? This happend on the 2.8 Candidate 1 and 2. I have plane with emission as light in this ...
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1answer
46 views

No lights rendered in Eevee

I'm very new to Blender and tried Blender 2.8. My currently problem is that Eevee does not render the lights I placed in the scene as shown below: The final render of Eevee: The weird thing is that ...
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1answer
41 views

Lighting requires extreme values (Blender 2.8)

I recently started learning Blender and been following one of Blenderguru's tutorials on lighting (found here) but for some reason my lights, using the exact same scene, requires extreme values to ...
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1answer
14 views

eye lighting + export image/video problem

i try to bright up the light and it was super bright, the eye (glass) look great but lower makes darker, is there any other way to make bright light focus only the eye and not other object. Another ...
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1answer
11 views

ID mask noisy when using Volume Scatter for World volume

I've made a sword in this medieval blacksmith scene an ID mask so that I can give it a glare effect without affecting the rest of the scene, but because I used Volume Scattering for the world volume, ...
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2answers
18 views

Use a HDRI just for lighting and change the background color

I want to use a hdri just for the light and i want to change the color of the background in white.How can I do that ?
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1answer
393 views

Is it possible to edit the size of a Sun lamp in Blender 2.8

I've noticed upon switching the lamp types in the new release candidate for Blender 2.8, that the size property for the Sun type is missing. Is that feature removed?
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1answer
45 views

Volume emission not working in blender 2.8 eevee

I got this fire shader a while back. from what I can remember it worked in eevee but now it doesn't. also a normal emission shader in the volume is not working either. any suggestions?
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1answer
24 views

How to create basic lighting for presentation images

I just finished my 3d model and I want to sell it. I want to light my scene to make the presentation images. What I want to say, is better to use a HDRI or lamps for this kind of renders? (...
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2answers
38 views

How do I make an array of objects light up sequentially?

I have many cylinders duplicated with an array. The material emits light. I need to make the cylinders light up and turn off one after an other in a loop. Any idea on how to do this?
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2answers
438 views

Blender - HDR makes objects too bright

I started to use blender 3 weeks ago and I am currently trying to do an outdoor scene. I wanted to use an hdr image fot lighting, as blender guru does -> https://www.youtube.com/watch?v=fI_FMa-8w50&...
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1answer
80 views

Cycles one side transparency

Is there a way to create a material that seems diffuse shader, but can see lights trough it when lights are behind like E.V.E. in Wall-e? I have tried diffuse mixed with gloss and both mixed add to ...
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0answers
29 views

Eye gone dark with light

I'm having trouble with the eye, I been follow tutorial of making an eye then it skip the set of light and my eye came up with very dark glass. I've been researchin for a long time but nothing helps. ...
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0answers
14 views

Light appears even without lamps

I'm new to Blender and basically i was trying to render this model and for some reason even with no lightning coming from lamps or from the world panel, the render appears with this lightning And in ...
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1answer
37 views

Where is radius parameter for sun lamp in newer version of blender 2.8?

I usually do sun's radius to zero for sharp shadows but can't seem to find that "radius" parameter in newer version of 2.8 what did they change it to? thanks:)
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1answer
33 views

Scene is too dark and cant fix it

Im having a problem with this bedroom scene I have setup where the scene is extremely dark and Im not sure what to do about it. It looks extremely gloomy compared to the video im following along with. ...
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1answer
35 views

How do I make an object glow?

How do I make an object glow? I've tried everything to make it glow but it isn't. I even made a separate material and added the texture again and used a mix shader to mix the texture and glow.
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0answers
34 views

How can I track illumination on a polygon in blender?

I am looking to be able to track the amount of light that is present on the different surfaces of a polygon, any ideas welcome. For example I am looking to record the amount of light/illumination that ...
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0answers
51 views

how to solve dark edges image area when using transparency in eevee

SOLUTION that worked for this project: edge fading to 0 AND mark overscan I am trying to adapt an image i made in cycles to eevee. this has a (up & down moving) flat, transparent layer slightly ...
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1answer
26 views

Rendered frame doesn't match what is shown in rendered viewport

There is 1 single frame out of a 1500 frame animation where the rendered image doesnt match whats happening in the scene. every other frame looks fine and is working as expected. As a result there is ...
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0answers
44 views

light not passing through window [duplicate]

I modeled my room using an Add-on called Archimesh to make more easily windows doors and so on when I finally modeled the room and rendered it I faced 2 problems which are: I added a sunlight that ...
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0answers
29 views

Determining if Cycles light rays provide direct illumination or self-shadow

I am looking to render Saturn and its rings. The sun illuminates the diffuse material of the rings on their sunlit side but their backlit side needs to have an emissive shader. However the rings must ...
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3answers
95 views

Make an Object not reflected by a Surface?

I want to make an Object which cant be seen on Reflective Surfaces, for example: Metal. I want to make it so that if I Place the Object over a Reflective Material, it should not be seen on there. How ...
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0answers
22 views

My model “absorbs” the light when rendered in Eevee

I'm trying to make a scene in Blender with some magical clouds. When I render the scene with Eevee (first picture) the light is simply absorbed by the model. I've tried to make some spotlights, but it ...
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1answer
19 views

Render not including light on output?

My blender session looks like so: im in render view and can see the spot light Im using. When I export to an image however I get this very flat image and no light happening? why is this happening?:
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3answers
75 views

How can i apply gobos to a spotlight to make it look like a real life moving head light?

as you may know most moving head lights used on live stages and dj shows have a gobo feature which allow the light to be restrained on some parts of the spot, as if a cookie cutter was placed in front ...
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57 views

Does IES light work with Eevee in Blender 2.8?

I can use IES in cycles, but seems not work in eevee, there is just no light Do I have to specifically set up something ??
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35 views

Why is the center of my scene darker?

The light in the middle of the scene is darker than the rest, and the closest to the camera is brighter. I using filmic and render at 1980 x 1080. The side is also brighter than the main stage. Why ...
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0answers
49 views

Eevee avoid light reflections in glass, but only one object?

Im using an area light in Blender, and it is reflecting in the glass of a certain object. Reading other answers, I tried turning specular to zero. Problem is this means it doesn't reflect off anything ...
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2answers
39 views

Material is too dark in AR

I have a 3D model of a chair which I want to use for an Augmented Reality App. In Object Mode and AR Quick Look (Mac) the colours look fine. In render mode (cycles render) and when I place the object ...
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1answer
39 views

EEVEE how to disable background light

I‘m currently having an issue. I want to disable the background light so that objects won‘t be influenced by it. In Cycles this is easy: inside the „Ray Visibility“ option of the world tab you just ...
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1answer
27 views

How do I use IES lighting with a sphere?

( Hey,everyone! I'm in a bit of a pickle. I created a wonderful IES node setup thanks to an amazing tutorial and it works with planes and circles. However,I'm having trouble with one mesh in ...
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1answer
67 views

Transparency disappearing act

Running Blender v2.79b. Created a number of meshes. Have one mesh that sits above the others, which I want to be semi-transparent; it has an alpha of 0.07. However, I cannot see all of the other ...
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1answer
42 views

Colorramp node makes colors clip or blow out

I've been trying to do little special effects for some of my videos. For example I create a light emitting object that woud cast light on a black floor, later composit the black out and the finished ...
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1answer
25 views

How to animate Light's Power/Strength in 2.80?

I know this was asked before, 4 years ago. But it's not working in 2.80.
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1answer
57 views

Making realistic mold (fungus) in blender?

so i have been trying to make realistic mold in blender for quite a while, as seen in the image the approach i've taken is making 2 image planes, one with a blurred white fur like texture to simulate ...
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0answers
51 views

Why are squares appearing on my model in Eevee?

I created a lighting scene in blender 2.8. with a plane as the background. For now I hid my objects because they are not the problem here. And I also like the positions of the lights. While rendering ...
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1answer
28 views

Lighting looks strange and planes are disappearing [duplicate]

I'm trying to make a dolphin model for 3d printing. While making the dolphin, I realized that in object mode the tailfin's lighting looks strange: As you can see, the lighting of the fins is split, ...
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1answer
53 views

How to remove all shadows, lights and gloss from render? 2.8

I do not have any camera nor lights yet whenever I switch from LookDev mode with textured models to Render preview it all suddenly gets darker and glossy. I've noticed that adding light to the scene ...
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0answers
26 views

Use ambient occlusion to highlight fine details in 3d model?

So i have been trying for a while to use the ambient occlusion node to create a material which looks like line art (see photo). the node setup in the photo is basically along the lines of what i've ...
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0answers
16 views

Circular Lighting Artifacts [duplicate]

How to avoid the circular patterns on a plain diffuse surface while projecting light? I am trying to project a few patterns on objects in Cycles render. When I project a plain white light on a ...
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0answers
16 views

How do I set up a view/render layer in compositing to not be affected by a certain light source in Blender 2.8?

In my scene I have the earth, a head, a sun light, and a normal light. I want the sun to ignore the head or the head to ignore the sun, but the normal light should still affect the head. I also have ...
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1answer
49 views

is it possible to make a reflection sit at infinity, like a reflex sight or a HUD?

i want to simulate an effect such as a heads up display and tried to recreate it simply, through the use of light projecting through a reticle, through a convex lens, and onto a pane of glass seen ...