Questions tagged [lighting]

Questions about using light objects (point, sun, spot, and area), the world object, and shader nodes that have emission properties (principled, principled volume, and emission)

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11 views

How can I leave light spotlight on ground making other portion transparent?

I know how leave shadow on ground making other portion transparent, but leaving light, I couldn't find. Thanks.
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12 views

Light and object with an array modifier [duplicate]

I'm trying to make a street and I'm giving it street lamps. I designed one and gave it a bulb with a light inside. I tried to make more along the street using an array modifier, but I can't use it on ...
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1answer
25 views

Bloom option in Blender 3.0

How to make a Bloom option for a glowing object in Blender 3.0?, in the old versions it is in the render Properties, but in this version I did not find
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2answers
31 views

How to reduce noises of light reflection on the static object in video?

I am not sure what is this problem called. There are many noises of light reflection on the ground. They are different between frames. How do I reduce it? Or how to make it more realistic? Can texture ...
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Imported model (gltf) does not reflect light

I have this model that I downloaded from sketchfab. It is in gltf format. It does not catch or reflect any light. This is not the first model that I download from there and usually, I just add ...
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47 views

Light problems with hour glass effect

I have a problem with the spotlight. I want an hour glass effect for my lamps. The spot down looks ok for me but the one up looks wrong and I don't know why. It's the same spot (duplicated and 90° ...
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1answer
63 views

No Bloom with Principled Volume

I'm trying to achieve a nice bloom around my lighting with some principled volume fog but I cannot seem to achieve the result I'm looking for (rendering Cycles). Is there something I am doing ...
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23 views

How do I achieve colored light scattering in water?

I'm making an indoor pool scene and I want to but lights in the water to create an effect similar to the image below: I've tried using a principled volume shader in the water material, (which is a ...
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21 views

Edit Mode: Does a "reset phong-shading" function (or add-on) exist?

After doing a lot of vertex welding & knife cuts on my geometry to get the shape I want, the "Smooth Shading" isn't so smooth anymore. Anyone know of a way to reset the shading on the ...
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1answer
70 views

Link BlackBody Shader node with blender python

I'm creating a physically accurate light on Blender to recreate the Sunlight for a spatial scene. I'm using python Blender and i cannot understand how to connect shader Nodes, in particular the ...
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1answer
43 views

HDRI image and lightning not showing in the final render

I have a problem with final render of the room because it is completely different from one in the viewpoint render. There is no HDRI lightning and HDRI background is white. Thank you for your answers ...
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1answer
36 views

Rendered result is dark

I've applied the picture in the base color as the BDSF but the rendered plane seems a lot darker than the actual reference image (on the left side). I'm using and HDRI and added a light. Any ideas ...
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1answer
50 views

Is it possible to bake animated shadows?

I use the add on Grove to animate trees in the wind and project the shadow on a wall. But the method is not very efficient because the scene is already very full and the trees require a lot of ...
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1answer
32 views

Strange shading when joining two objects?

I have two separate objects that I want to join together, both with no modifiers and applied transformations/scales, but when I join them I get the shading on the model starts to look weird. These are ...
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31 views

How to achieve this shading/lighting

Can anyone help me to achieve similar color and lighting scheme as in the model below? So far, I've tried texture coordinate and color ramp nodes, couldn't get the desired result.
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1answer
29 views

How can I create proximity lights in Blender?

I have one point light and one model in my scene, rendered in Cycles. What I'd like to do is create a proximity around the model, so that when the light approaches it, or any point light approaches ...
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1answer
25 views

World color is a weird pink color in viewport shader, disabling ‘scene world’ fixes it but still shows up in render. It is not a missing texture

It is not a missing texture. Here’s an image of my world shader. Even if I change the image or remove it entirely, everything is still pink. It’s like it’s one big lighting somewhere shining pink, ...
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31 views

How to light a glass object in order to give a neon effect?

I have a glass object (uneven surface) that I want to light in order to give it a neon effect. Something sort of like this The above image was done in cinema 4d but I'm sure there is way to achieve ...
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14 views

How do I achieve pitch black shadows on a plane with multiple lights? [duplicate]

For either EEVEE or Cycles I'd like to project black shadows on a plane, cast by multiple objects and multiple lights. The plane is to act as a uniform canvas, and the shadow as a drawing. Under a ...
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31 views

Strange light artifacts on flat glossy objects in eevee

For some reason, when using a glossy material (and I've tried many values of roughness but the problem is still there) on any object, even the basic plane, the lighting looks like this, with this ...
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15 views

Is it possible to bake lightmaps with high-poly projection in blender?

I want to bake high polygon lightmaps into low polygon uv channels. This function can be done by using render to texture in 3d max, but even if you look for it in Blender, there are only a lot of ...
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1answer
20 views

Instancing Vertices Light sources

So I'm trying to rotate a bunch of lights around a large circle using using the instancing vertices, so each lamp is on a vertex But when I rotate the circle, the lights rotate around the "top&...
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1answer
22 views

Prevent a material from darkening in Render view

Using the EEVEE engine. In my model I have a texture to represent a Ceiling light. [ The top light is darker than the image is. In Dev Look it matches but not in Render Mode. I can't find anything in ...
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1answer
39 views

Light object is NOT seen on the viewport

In Blender 3.0, when I add any new light object it is NOT seen on the viewport, as if it does not exist at all. It is only shown in the Outliner. There is no problem with all the other objects. What ...
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1answer
25 views

Match 3D camera to a portrait still photo

I just wonder by any chance if we can match a 3D camera to a portrait still photo. I know that for a wide landscape shot, it is easy since we may have many subjects that allow us to match xyz axis. ...
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22 views

How to create a laser in Cycles using the sun and nodes (by following a youtube tutorial)?

I'm trying to reproduce this tutorial's top comment. However I'm failing on the very first paragraph: If you set the light to "sun", the laser should be a real laser. I mean, the sunlight ...
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1answer
36 views

Artifacts in render

How do I get rid of the artifacts / distorted areas at the bottom of the wall. I have samples at 500 and light bounces at 50. Do I need more light in the scene? Any ideas? I do have the main light ...
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34 views

How to randomize Point Light power or color with Geonodes

How can I randomize power or color with Geonodes Point Light? I tried to type in "power" or "energy" or "color" No changes were taken. It works with scale, but not a ...
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36 views

Projecting from camera in a specific frame (and other vfx stuff)

I'm experimenting a bit with VFX. I have tracked the scene, solved the camera, put some area lights, put the shadow catcher and all that stuff. Now I am trying to put more realism using the mesh of ...
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1answer
24 views

Rendering light bloom with transparency

I'm using Eevee (on a Mac). I'm (fairly?) well-versed in the theory behind my question, but less so with Blender itself. Basically: I'm trying to render out a scene in separate elements for ...
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1answer
38 views

Is it possible to export sky texture with gltf exporter?

I’m using a sky texture node to light my scene for export to gltf, is it possible to export the sky texture light as part of the gltf?
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1answer
72 views

Why is the light source not showing but light is being cast on the object

I'm new to Blender and I've downloaded a 3d file with this earth object showing. In the picture I can see the light being cast onto Earth and if I move the yellow dot around the light moves, but ...
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0answers
17 views

how to modify driver value using python? in compositor [closed]

I want to change sunbeam position according to calculated camera transform, sun location. Because my scene is animated, I want to make sunbeam position to according to that information. In driver, I ...
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12 views

Dynamic color of wireframe in freestyle

I am using freestyle to export some wireframes into svg, but the colors are always solid. When viewing the wireframes from the camera view, the line colors are varied based on lighting (i think? See ...
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1answer
28 views

How do I turn on RTX

So I feel this may be stupid but I just got a 3060 and would like to know how do I turn RTX on in blender. Thank you.
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14 views

objects id map has a strange behavior on light source

I am using Blender 2.93 with cycle rendering to generate label images (e.g., a map for objects IDs), I noticed that the light source, is not connected and had no label (I mean there are spaces between ...
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12 views

How do I export my model with point light in gltf [duplicate]

i am trying to export a model in gltf but after export the point lights are not working after export : before export
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1answer
26 views

How to make a point light shine through a material

I Want to make this lamp with a point light inside it and have it shine through the appropriate faces. So far I've put the point light inside and made the faces transparent via the shading nodes in ...
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1answer
21 views

Volumetric lighting fix

I want to make a volumetric light that comes from into a box but in a bright room like this: But when i use volumetric scatter or other nodes to my scene,the light doesn't appear and my render gets in ...
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0answers
35 views

Why is there this ringed artifact in the render?

This is in Cycles, sample count doesn't seem to affect anything. I have 2 volume cubes, the rings only appear when both are enabled. It only appears in the render, not the viewport. There is nothing ...
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1answer
35 views

Cannot Render Mirror Hallway

I am trying to render this image using Cycles. This is how it looks in my viewport, compared to how it is after making the image. Can anyone help me figure out why? Screenshot settings:
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22 views

Light glitch inside a box

I wanted to create some "inside views" so I created a simple box, inverted the normals. I then put a light inside the box and one outside as a future sunlight. Before I created a hole as a ...
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1answer
363 views

Light passing through paper (Chinese Lantern)

I am beginner of blender. I try to render a Chinese lantern and it is my reference. I do some research on google and found that most of the people use Mix Shader(Translucent and Diffuse). So it is my ...
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2answers
303 views

geometry nodes and light

I am trying to model a grid of lights using geometry nodes. I combine several nodes like grid, instance on points, etc. as depicted in the following figure: I can attach instances of any mesh to the ...
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0answers
34 views

How can I simulate the reflection pattern observed in this real image?

I have a bunch of images that were obtained using an endoscope. I'm trying to recreate similar images in Blender using its realistic light simulation capabilities. I already got a procedural cast iron ...
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3answers
72 views

How to create an Eevee-only light?

I have a scene that I'm trying to make work in both Eevee and Cycles. When rendering with Eevee, I need some additional light objects to fake some of the lighting. Is there a good way to set those ...
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0answers
13 views

how to stop grease pencil background flickering

im trying to make a dance animation with a 2.5D rotating background but after adding a blur and glow effect the background pieces flash.
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0answers
25 views

How do i add angled tube for cable and led

How can I make a hole for a wire and led in a ready stl object. as in the example below. Can you share a sample video or source? Thanks in advance.
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1answer
33 views

Surface shading in Solid Viewport is broken: blender

I consider myself quite experienced w/ Blender, yet have never encountered the problem, as seen in the image, before. Here are some details, hopefully to provide more clarity concerning my problem: ...
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0answers
26 views

Create a shader mix with a factor of Illuminated surfaces in Cycles

Is there a way to mix shaders with a factor that identifies illuminated or lighted surfaces? For example: I have a space scene with earth planet in it, I want to cover the sun-lighted side with day ...

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