Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [light]

Questions about light, lamps, lighting and lighting issues.

0
votes
1answer
31 views

How can I make an object a light source in blender 2.8 Cycles?

I set the plane to emmision and set the strength to 300, but it doesn't emit light. I just want to use this plane as light source. Please tell me how to do this.
0
votes
1answer
32 views

Very high contrast in indoor model

I'm new to blender and am trying to create an indoor model. I've emulated fluorescent lighting with some point lights placed inside a glass cylinder. For some reason the contrast in my model is very ...
1
vote
0answers
16 views

Get information whether a surface is visible from a point light source or not

I am working on an optimization problem where I want to find information about the amount of faces of a mesh visible from a set of randomly distributed points. Ideally, I would like to index the faces ...
0
votes
1answer
25 views
1
vote
1answer
28 views

Why do normals have two directions?

First, this is not a duplicate of questions asking what are normals or why do we use them. I understand that they indicate the angle a surface or point is "facing" and we use this for shading and ...
0
votes
0answers
31 views

How to only render the outline/edge of a light source?

I'm a beginner in Blender, using version 2.79b. I have a problem, where I don't know if a solution is actually possible. My scenario is the following: In Blender Render I have a landscape where at a ...
0
votes
1answer
40 views

How to disable this shadow? [duplicate]

the shadow is allways to the right and I dont know why it is there.
0
votes
0answers
18 views

How can I remove these reflections from the sun light?

This is a low poly room with only two walls. I have a sun light that I want to shine through the window, which works (in the green circle) but I don't want the sun to give light on the walls (in the ...
2
votes
3answers
59 views

How to animate a surface that only emits light when touched by object?

I'm trying to find a way to make a surface (or object) that sort of "reacts" to touch/collision by emitting glowing light around that touched area. Best example would be the scenes in James Camerons "...
0
votes
0answers
38 views

How to set ambient light with EEVEE

I have a model from an OBJ import and I would like to light it in (using Eevee) in a way that is similar to OpenGL ambient light. The only thing that I found similar is the background color of the ...
1
vote
1answer
23 views

Making an emission shader which does NOT cast light

So i tried gooogling and asking around in discord servers but no one is really helping nor understanding what I need. To sum it up, I need an object to LOOK like the sun in 3d space, aka it needs to ...
0
votes
0answers
37 views

Cycles: realistic light refraction for glass lenses

I found this image somewhere on the Internet: It was made with Cinema 4D and some special renderer. I decided to try create somethings similar using our favourite Blender and Cycles. To achieve a ...
2
votes
0answers
44 views

Render between outdoor and indoor

I've some experience with Blender (and previously 3DS Max), but I only do something with this once every year. I have a scene where I want to render somethings outside and other inside, but I am ...
1
vote
2answers
84 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:
4
votes
1answer
56 views

Fall Trees for Fall Scene

Currently, I’m working on this fall scene. I want to add trees in the background like this: image source Also make the light look like it’s filtering thru the trees. So, my question is two-fold: ...
0
votes
1answer
43 views

How to make this lighting in Blender Internal?

Is there a way to emulate this node in Internal, and with diffuse textures on the model? Take this low-poly sphere with a diffuse texture on it, for example. The first screenshot is the model ...
1
vote
0answers
23 views

Why does it look lighter?

Im working on an anvil, following this tutorial all the way around without noticing. But now it comes to the texture part and Im totally freak out when it turns out that my anvil is so much lighter ...
0
votes
0answers
24 views

Background image reduces light from HDRI

I'm building an interior scen consisting of a room with four windows, see image below. Behind the four windows, on the outside I have a plane with a background image to get a nice view from the camera....
5
votes
1answer
753 views

How to use only direct light?

I want to create a viewshed analysis with Blender. Something like this: I tried it using light in Blender Render and Cycles but I can't get it to work due to the light fall off. I have already set ...
0
votes
0answers
37 views

How do I make a laser beam in Blender? [duplicate]

How do I achieve a physically accurate laser beam within Blender? This is what I want to achieve:
0
votes
0answers
24 views

Change 3d view representation of lamps

I am trying to create a more user friendly viewport by changing the representations of cameras and lamps: Usual viewport with camera and spotlight: A mockup of what I'm trying to achive: For the ...
0
votes
0answers
29 views

White line on my texture?

I made 3D scan with photogrametry software. I imported them in blender, I put light and I animate them with shapekeys. The problem is that for some imported scanned object, I can see a white line of ...
1
vote
2answers
43 views

How to distribute light equally on a surface?

I have the following setup: The black rectangle is my light source, the gray panel is the rendered panel. How can I distribute the light in an equal mode on the panel? I'm using Cycles in Blender 2....
1
vote
0answers
24 views

Internal Engine Blue tint?

I've been rendering a project for about 2 1/2 weeks for now... It's a 600 frame project and this issue started around frame 400. I keep getting these light streaks around my light sources... this is ...
0
votes
1answer
102 views

How to get transparent iridescence using Cycles?

I've succeeded getting iridescent with this Cycles node setup: Physical iridescence in Cycles? This did the job, however I need a transparent/clear iridescence like this So I tried plugging the ...
1
vote
1answer
62 views

How do I make a luminescent gas cloud?

How can I make a luminescent gas cloud, similar to the one shown in the picture below (labeled "Trapped Atoms")? Thank you.
0
votes
1answer
31 views

Unknown Object in my rendering [duplicate]

In my very first rendering I have an unknown object in my rendering image. its not found on any layer and I cant finde any unknown axis or objects on my rendered layers. Its a white circle behind a ...
1
vote
1answer
34 views

illustrating transparent tunnel while embodying solid front

I'm trying to create a scene which consists of one huge block which is seen from really close such that no edges are visible. The inner life of the block should consist of various tunnels carved into ...
3
votes
1answer
320 views

Setup blender cycles so that it shows svg images as they would normally look

I have created an svg image in inkscape. In blender (cycles) I've imported the svg image but the colors are not ok: How do you setup blender cycles so that it renders the imported svg the same as in ...
0
votes
2answers
283 views

Why the texture is not glowing

I have created a tail light. With the material and texture i have setup. What is missing in the nodes. Im not getting glow from the emission nodes. I have increase the strength of the emission but ...
0
votes
1answer
42 views

Amplify shadows in scene

I would like to easily amplify all the shadows on the stage, but not increase the lamp's power. Is there a way to do it?
0
votes
1answer
53 views

Why are solid objects with refraction node so dark?

Ok Ive discovered refraction nodes trying to create something like the iOS blur effect - meaning a white blur. This has worked somewhat with 2d objects, but no matter that the node has the color ...
0
votes
1answer
48 views

Mirror reflections

The problem is i can't find a way to make mirror reflections look good, there are always some kind of distortions that makes render looks odd. Is there any way to improve this? (Sorry for my English)
2
votes
0answers
37 views

How to get a correct natural illuminance while preserving the physics correctness of the lights

I read Cycles sun is physically correct (radiant flux at sea-level is 1050 W/m² according to this source). With a clear sky luminous efficacy of 100 lm/W, this should, with the support of a World ...
0
votes
1answer
23 views

I can't see lamps or selection outlines or anything “orange” in 3D view anymore

I am very new to Blender and I have no idea what I could have done to cause something like this. I remember messing with the CPU and GPU rendering options. I tried downloading other files from Blender ...
1
vote
1answer
45 views

Gloss reflection

Why my lamp looks black in the mirror reflection?
0
votes
0answers
20 views

Light ray material not working as expected?

Ok I was just following this set up trying to fake a light ray using a mesh and emissive feeding into the volume of a material - in cycles. Using this method, I don't get any emission even sticking a ...
2
votes
1answer
48 views

How can i create the same smoke and light effects as in this Bob Ross canvas ? (see image)

For my first big project, i plan to made a 3D version of "Campfire", a painting by Bob Ross. The project is progressing in a good way, but i still can't figure out how to recreate the "smoke" that we ...
0
votes
1answer
40 views

Lights difference

i am working on this scene as shown in the attached picture, after i rendered it the colors became darker than what it appears in Blender, when i opened it on photoshop to give it a little brightness, ...
3
votes
0answers
37 views

Light / Mesh inconsistency in one area - Cycles

I'm trying to understand what's wrong with the lights in my scene. I've made some kind of sci-fi corridor, inspired by the interior of an aircraft cabin. The main mesh is first mirrored and then ...
1
vote
1answer
39 views

Is there a way to 'drive' lamps, similar to how you can 'drive' and control a camera in first person?

In particular, I find the first person perspective and use of WASD very intuitive for when I'm positioning my camera in the scene. I would like to know if there's a way to control lamps that same way ...
2
votes
2answers
78 views

How would you go about making a polarizing camera filter in Cycles?

I know that since Cycles is not a spectral raytracer, it cannot simulate dispersion and other wave properties like polarization. How could you fake a controllable polarizing filter that can be ...
0
votes
1answer
33 views

The most non light reflective surface

I am developing a moonbase and I am looking for dramatic contrast in the light. Inside the base, I want rooms that are normally lit with a door frame and the next room absolute dark. What surface ...
5
votes
3answers
181 views

The light is being reflected inside the bulb.How to fix it?

I can't seem to find a solution for this problem Is there any possible fix without affecting how the glass look like? File:
0
votes
0answers
20 views

Lighting appearing and dissapearing?

i made a FullDome Animation with a Fisheye Camera going throught a scaled cube, with some elements around the camera (pictures in some kind of frames). You can see it here: https://www.youtube.com/...
0
votes
1answer
48 views

No light or transparency through glass and water objects using various transparent materials

I'm trying to render an image that has a wall of windows through which sun should be reflecting into an environment, and a pool with a glass wall facing that wall of windows. At the moment I'm going ...
0
votes
0answers
17 views

Calculate normals for non-manifold mesh

I'm currently playing around with unity and tried to create a room in blender and import it to unity. The room is a non-manifold mesh (on purpose) - because nobody is going to see that room from the ...
0
votes
0answers
36 views

Spotlight Texture

I'm quite new to blender cycles and wanted to create a game using Armory3D in blender 2.79 which supports cycles. I started out by creating a character and wanted to add a flashlight that has some ...
0
votes
0answers
27 views

Problem with lighting

I have a problem with the lamps. When I first create them, it all goes fine. But at some point of making them, or when I deselect them and work in other stuff, they get lost in the viewport. Only ...
4
votes
1answer
108 views

How do I create a material that is only visible under one specific light?

I would like to know how to create a material that is invisible unless it is exposed to one specific light source, like invisible ink.