Questions tagged [light]

Questions about light, lamps, lighting and lighting issues.

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26 views

Can't get transparent glass in Eevee [duplicate]

So I am trying to make a glassy transparent cup according to a tutorial but I seem to have misclicked something and now every default material when I change the viewport into preview material is the ...
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1answer
19 views

How can I hide source of spot lamp and keep the emission for the visible part

I want to make converge the lens of a modeled spotlight with a spot lamp. So as to match the diameter of the lens and the base the spot lamp, I moved the lamp further inside the object but then, I ...
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0answers
15 views

Denoise node causing object to turn black?

I have a log cabin scene, and the windows have a curtain object behind it that is see-through, and behind the curtain is an emission plane. I notice that when i render and use the denoise node in the ...
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0answers
40 views

Colorimetry is not the same

I wanted to know if you know why the colorimetry of the image is not exactly the same when I save the image of the rendering, my settings in the save are however the Blender standards (RGBA, Color ...
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1answer
16 views

IES light is reflected incorrectly in Cycles

I'm trying to use IES file which is 4FT light source and Cycles renders a reflection of it as a simple spot. If I try to use that IES on Area light instead of Point light to get an actual 4Ft ...
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0answers
17 views

Can a material be reflective, but not reflect a light source?

I want to have a reflective floor, but have it not reflect rays coming from a light. Using Blender 2.90, Cycles. I want the light to create glossy reflections on the other objects in the scene, so I ...
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1answer
57 views

Eevee. I'm getting this weird random light out of my model and also in the render

I'm new to blender i try to search online but i don't find any solution. So i randomly get this light emitting out of my model. can anyone help me please PS:Sorry for my mixed up english
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0answers
22 views

Need help on the pear materials and lights setup

As you can see, I am trying to make the image on the left looked like the one on the right. But the light and pear are way far from the goal. Can anyone help? Thanks a lot! This is the pear's ...
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0answers
17 views

How can I add two world backgrounds? [duplicate]

I made a space themed world background for my blender eevee scene. The only problem is that space is dark so the rest of my scene isn't lit up well. The way my scene is set up, it seems like the best ...
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0answers
66 views

How does the sky texture work in 2.9?

I'm trying to understand how the new Nishita sky texture is supposed to work. I added it to my world shading like this: The result in Cycles (GPU rendering), with every setting to default is this: ...
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0answers
20 views

Rendering problem

I have a problem with the rendering of my scene, instead of having a nice gradation as on the real time rendering, I have this result, with plain colors, it's very weird, I don't know the reason for ...
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1answer
58 views

How to create a visible spotlight without fog?

I know if we add a volumetric shader, the spot light act like this. But I don't want to be a foggy atmosphere, just the light should look like the volumetric like the below image. I am looking for ...
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0answers
42 views

curved backdrop looks shows a sharp line

Could you help me to identify the problem of shadow on the background as shown in the picture? I don't know the reason why the shadows separate like this, but on the real time rendering I have a nice ...
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1answer
203 views

What is this line coming from the light source and how do I adjust it?

Forgive me for this noobish question (still learning ropes of blender) but I'm playing with some of the lights properties, and was wondering what this line is and if there is a way to adjust the ...
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1answer
29 views

How to fix the shadow line in the middle of the face?

This is not the first time i have this weird... shadow line? I can't understand what causes it and how to fix it.
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2answers
64 views

Is there a way to disable self-cast shadows on grass (particles,) but still have grass receive shadows from other objects?

Hello persons, so I'm trying to achive ghibli or breath of the wild style grass using only generated texture nodes, (ie not image textures, math) and that much is turning out okay. However the issue I'...
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0answers
25 views

Newbie - Can I make render nodes to make render look identical to viewport?

Good day, I'm a newbie, this is pretty much my first project. I made my animation with a light that goes over the youtube logo, I see it fine in viewport but the rendered version looks generic and is ...
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0answers
24 views

Hair particle system messes up scene lighting

When I add a hair particle system to my scene, almost all of the shadows disappear. I have experimented with multiple different systems and with linking/creating in the scene. I have attached a before/...
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1answer
25 views

Weird shading when using Cycles rendering

I switched to Cycles rendering, because Eevee didn't render the full image. Now, despite the fact that I put a light in the scene, the whole object is lit, even the back. I already tried changing the ...
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1answer
35 views

Weird blown out colours in renders eevee

I have a weird problem with blown out colors when I render with atmosphere and bloom. It's weird because I'm rendering a video with 300 frames, and the glitch shows up at about 30 random frames. I can ...
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0answers
20 views

How can I integrate a 3D model in a photo? [duplicate]

If I have a photograph and I want, for example, to add a 3D model of a character so that it seems that it is standing there in the environment, how can I achieve it? At the same time, keeping the ...
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1answer
26 views

Why is my image sequence appearing darker in the VSE than in the render output window?

I'm having a weird problem with the VSE in Blender 2.90. I am rendering a night time scene using the physical atmosphere addon, with a very bright emissive object that passes through the sky. When I ...
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0answers
31 views

My object is not affected by light

In viewport shading, I have screen lights and world view on. I turn down the color of my world from grey to black. Everything else in my scene is affected by the dim light, but not my character's ...
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0answers
18 views

How can i have sharp edge lighting in marmoset toolbag?

I have this piece in my scene that lighting is exactly what i want but in rendering it's goes blury. before rendereing: after rendering:
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0answers
16 views

Keeping colors with white light [duplicate]

I want to visualize a design project - a user interface, in a more fun way, and this is what I’ve got so far. The problem that I can’t solve is that the light makes all colors go whiter and more ...
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2answers
41 views

Why am I unable to color my volumetric clouds white?

I am trying to render a cover of white clouds as seen from above. I am using the Principled Volume shader, using gradient and noise textures. It now looks as follows: However, the clouds are very ...
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0answers
28 views

Black areas in minecraft render when using Cycles

I've been doing some minecraft renders using Jmc2Obj and McPrep, and have encountered no issues up until this point. However, I think I accidentally changed something in the settings, and now there ...
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0answers
30 views

Changing the Preview Scene in the Mitsuba Plugin in Blender

I use Blender 2.69 and Mitsuba 0.5.0 and imported my Mitsuba Integration Plugin to Blender. When I want to see my materials and subsurface scattering effects in "Preview Scene", they don't ...
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1answer
38 views

How to cause the texture through the glass?

I would like to engrave some letter behind the glass, and then just put the light behind the glass to project the letter throughout the glass as a magnifier . I tried it by transparent shader ,but ...
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0answers
30 views

Problem opening hdri from hdri heaven

When i am loading hdri setup from hdri heaven, it is not showing up.
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1answer
19 views

Help regarding shadow/ reflection

I had posted here earlier and received some useful tips. However, I have one concern that is still bothering me. The shadow on this phase seems to be going from light to dark to light, along with a ...
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0answers
9 views

How can I make some shaders more sensitive to light than others?

I'm lighting my scene with an HDRI and a point light. I want some shaders to be more affected by the HDRI than others. As in, I want some shaders to be more sensitive to the HDRI and absorb more light ...
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0answers
11 views

OpenVDB Properties - How to disable “shadows”?

I know there is a lot of ways to disable shadows in different objects, but somehow when I import an OpenVDB smoke from a cache made with Blender 2.79, there is no option to change that. For this ...
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1answer
39 views

Rays emanating from a point on the surface

I am trying to create an effect in cycles (like the attached photo), where points on the surface emit rays (like god-rays). I have tried adding a spot light at the location where I want this, along ...
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0answers
14 views

Blender model light flickering problem

hi i am trying to make a 3d animation with imported meshes. for some reason the light or shine on the model starts flickering in the the animation. the flicker only occurs in some places of the model ...
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0answers
16 views

Textures are lit even in a dark world without light

I've applied the Principled BSDF shader with a few texture maps onto a plane with world colour set to black. However, the texture is still evenly lit across the plane. I have done nothing else to the ...
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0answers
110 views

How to fix shadow terminator artifacts?

I am having issues with my scene. I created a sand dune sort of mesh and everything is all good. I add in an HDRI and then get this: As you can see, the sand has some sort of weird shading issue ...
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0answers
21 views

E-Cycles and Render Issues missing lights in render

I´m having some issues with a scene that I built in a regular version of Blender 2.83. This scene has a sun Lamp and a Point Lamp really simple setup. When I installed Ecycles, I moved the scene there,...
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0answers
33 views

What is causing the change in refraction with this glass?

I'm working on a render of a wine glass. I'm feeling pretty good about everything so far, but I can't seem to figure out how to adjust the geometry or material settings to solve the hard change in ...
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2answers
45 views

Is there a fast way to make lamp brighter?

I found it too long to go into the lamp's object data every time I want to make it brighter. Light sources have the empty property "scale". If usual "scaling" hotkey ("S")...
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0answers
51 views

What causing these red shadows in Eevee? and how to fix it?

Hello, Please to meet you all, I'm a new blenderer just active 1,5 month ago and in fact this was my first time in 3D world (Covid19 made me learn this). I got this weird issues with EEVEE render ...
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1answer
197 views

My point light doesn't appear in cycles render, why?

So I'm rendering in Cycles the DONUT, lately my renders have no light (the objects are not black but really dark) and the strange part is, that it doesn't matter what I do to my light in the viewport, ...
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0answers
26 views

When rendering, point light dosn't render

I am very new to Blender and I've made a daft mistake. After rendering fine previously, my renders are now mostly black. I think they're not rendering the point light all of a sudden, like so: The ...
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1answer
25 views

why refleaction of light on floor

I have a area lamp pointing front side with emission of 100 in cycles. Why the shadow or glow on the floor. As show in the image below. I want to have a a glow as seen below but there should be no ...
2
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1answer
71 views

Does HDR sky resolution change a lighting?

I was wondering if I can use 2k/4k hdr skies instead of 8k but I want the best lighting and i don't know if the resolution changes anything so I decided to ask. thanks!.
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1answer
49 views

Why does my light source not pass through my glass?

I have been having this issue for about two days now. I've been trying to make my glass window pane transparent, and after a couple guides I thought I nailed it. But when I try to apply my light ...
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0answers
19 views

Emission rendering for vfx

In rendering, I need to periodically get objects with their shadows or emission. A shadow can be made using a shadow catcher, but how do I get the ability to capture light reflections along with a ...
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0answers
26 views

Why is the light blowing into one direction?

This is an imported SVG, I used skin modifier for the thickness and Emission shader for the light. But the light is not surrounding but seems having a direction. Does anyone know why it happens and ...
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0answers
14 views

How to make video react to emission objects in post?

I wanna do some vfx with explosions and stuff and i was wondering how i would go about making things like faces and bodies (moving objects that cant be projection mapped) light up in response to light ...
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2answers
68 views

Rim lighting setup

I want to get effect of rim lighting, similar to this picture: I found some photography tips which I tried to use but all i got is: Can someone help me with proper lighting setup?

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