Questions tagged [lighting]

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7
votes
1answer
3k views

Strange black shading. Cannot fully light mesh. (Cycles)

Here is the viewport in material view. The node setup is just a PNG texture into a diffuse shader. And this is in rendered view. I've tried using environmental lighting as well as a directional ...
10
votes
2answers
1k views

Some areas of the mesh are dark

I've been modeling a hermit crab and I don't know why but some areas of the mesh are really dark on some spots, like the legs and the claws. I hope you can help me fix it.
8
votes
4answers
9k views

EEVEE and Cycles render lighting differences

I get different lightning render with the same scene camera setup. Cycles render (both experimental and supported feature set) gets weaker lightning and needs more energy. How can I get the same ...
4
votes
1answer
1k views

How to minimize/soften the shadows?

I am very beginner in Blender Cycles. I am trying to imitate this in cycles: Easter Eggs Not sure if this scene is CG or an actual photograph. I have modeled the eggs (easy), now I just want to ...
20
votes
2answers
2k views

Volumetric Windows 10 logo effect

I'm trying to recreate the windows 10 background effect on a logo I've made in blender. Half the logo has a glass like material, the other half has a steel like material. And I'm using cycles at the ...
6
votes
1answer
3k views

Spot light with square shape

Is it possible to produce a spot light with a different shape than a circle? In particular, I would like to produce a spotlight that casts a squared image into a wall, and the spotlight can be ...
1
vote
1answer
2k views

Increase brightness of HDR to light the scene, but keeping the background at a lower exposure

I have a scene in which I am using an HDRI texture as a light source. However, I am also trying to use it as a background, but when I turn up the strength of the sky it just turns white. I am ...
4
votes
3answers
2k views

Why do my lamps require an insane “strength” value of 1 million?

recently, I was using mesh planes to emit some light, and they had a strength of 8.0.. this worked well now, I want to swap these out for area lamps (to improve ...
2
votes
1answer
977 views

HDRI With Volumetric to Create Throw Pattern?

I have a scene below where I am wanting to get an HDRI image to come in through the windows and light the scene in the window areas and have a god ray like effect. I want to do this with a volumetric ...
21
votes
1answer
39k views

Can anyone give me some tips on Lighting in Cycles?

I am using the Cycles render engine. I love the ability to use my GPU for rendering, and I have achieved some nice results texture-wise, but I am having a hard time with lighting. One problem in ...
0
votes
2answers
181 views

Scan plane “shadow”

I'd like to know how to make a "flat" sort of scanning beam that is cut off by various items it interacts with. For example, say that the beam emits from a single point and is shaped like a triangle ...
3
votes
1answer
504 views

How do I adjust for overexposure using physically based lighting?

I am trying to get my head around physically based lighting in Blender. I read somewhere the Cycles Sun Lamp is measured in W/m² so assuming that bright sunlight is measured at 120000 lux (https://en....
3
votes
1answer
4k views

soften shadows projected by HDRi

How can I make make shadows blur as they get further from the object casting them? I have set up a relatively simple scene witch includes two pots on a clay ground texture, and I am lighting it ...
3
votes
2answers
542 views

EEVEE Glass Shader

I am in rendered view in the viewport and my glass shader isn't working correctly. I remember a couple months ago I was making glass for a ship and these settings are the only thing I had to mess ...
1
vote
2answers
2k views

Render looks “brighter” than in viewport preview

Somehow my viewport preview shows darker result than what comes out in render (check out in corner of the pic) World strength is at zero and ambient occlusion is also disabled. Floor is using bump ...
4
votes
1answer
151 views

Lighting objects passing through a portal in Cycles

I've created a portal based on this method. Here's what it looks like: Light passing through the portal is not handled accurately; instead I've faked it by baking the light from the outside onto the ...
9
votes
1answer
7k views

How is Cycles different from V-Ray?

From what I know, V-Ray is the most realistic render engine out there. But, I also know that Cycles is physically accurate. How is Cycles different from V-Ray and what are the major differences when ...
2
votes
1answer
757 views

Creating realistic concert lighting

I've been trying to create a live venue in blender recently, but have gotten stuck at the point of making realistic spotlights. First I tried using a cylinder mesh with an emissive transparency ...
2
votes
1answer
1k views

How reproduce a real led lamp with IES photometric data?

First of all excuse me for my english, i try to explain better than i can. I need to reproduce this real led lamp. I have all the data of this lamp and the IES file. Watt: 8W Lm: 880lm Lm/W: 110lm/...
5
votes
1answer
3k views

Does the blender Eevee rendering engine really have indirect lighting?

I heard that it does, and there is also a panel in the render settings that says "Indirect Lighting" but I never see any indirect lighting while I'm using Eevee, that's for sure.
5
votes
2answers
5k views

In Blender 2.8, how do I light an EEVEE scene with an HDR?

Blender 2.8 supports the same world node setup that Cycles does. This correctly puts the HDR image in the world background. But EEVEE doesn't light the scene properly. Everything looks flat and ...
3
votes
1answer
532 views

Volumetric Scatter ignoring World lighting

I'm having trouble getting Volumetrics to respond to the World environment lighting. I'm using a standard node setup combining Volumetric Absorbtion and Volumetric Scatter and it appears to work as ...
3
votes
1answer
2k views

How to change default viewport shading in 2.8?

Is it possible to change the default mesh color/shading in 2.8 to be more like 2.79? I'm finding it hard to see finer detail in 2.8. On the left is 2.8 and the right is 2.79
3
votes
1answer
1k views

Hdri sky background too close? [duplicate]

I'm using an image for the background, but I only see a blue sky and not the clouds in the bottom of the image near the horizon. It feels like the background image is too close? And in the world tab ...
3
votes
2answers
2k 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&...
2
votes
1answer
907 views

Why is my object black in rendered shading mode?

I am quite new to using Blender, currently using the 2.8 Beta Version, and I decided to make a Low-Poly Island from a tutorial I found on YouTube In the tutorial, he added a Light and changed it to ...
2
votes
0answers
2k views

Light Linking blender 2.8

I'm a Maya user and have just started down the Blender path but I've hit a road block when it comes to a light linking option? If I just want to light one object with one light and leave everything ...
1
vote
1answer
42 views

Converting mesh object to lamp shape

I have a simple scene here: I want to convert the scaled torus object to a lamp object. I don't want to use shaders because then it will only emit light from it's surface. I want it to be like an ...
1
vote
2answers
222 views

Why object doesn't emit light?

I followed this tutorial. Rechecked, but still no light on a surface from emitting object. Here is properties of the emitting object and the world:
1
vote
1answer
663 views

Understanding light power values

On Blender 2.80, lights (other than the sun) have various options for their strength. By default there is Power, measured in Watts, and a color option. If you enable "Use Nodes" you also get a generic ...
0
votes
1answer
100 views

why do objects appear to be emitting light?

It looks like the bed to the right, the pane beneath the window and beneath the couch are emitting light? why? all light sources except a moon outside is turned off. All of these materials are basic ...
0
votes
0answers
19 views

Shine Through Texture [duplicate]

In Blender, I was wondering how to make an effect that is usually seen when the light shines through a material giving it a glow effect. Examples are: • When you hold an empty plastic bottle to the ...
0
votes
1answer
329 views

How would one animate blinking lights in viewport OpenGL render?

The goal: to animate blinking emission materials (Christmas Lights from a distance) in viewport materials view. My attempt: When I manually change the emission strength, the changes are visibly ...
0
votes
1answer
1k views

How to setup correctly the spot lamp

Can someone give to me any suggestion to set up correctly the spot lamp ? I would like that the light is like the one that you see on the last attached picture. I watched a tutorial,I tried different ...
0
votes
1answer
151 views

Reflections showing wave pattern after adding plane

We actually it is quite hard to describe my problem with only using words. 1 My problem is this weird wavy contour. Without the plane underneath the can, the reflections look fine (like in the bottom ...