Questions tagged [shaders]

A shader is a computer program that usually runs on a GPU and is used to do shading, texturing, special effects or post-processing. Shader nodes specifically refer to the nodes used to create shaders for Cycles, but this tag can be used for other shaders as well.

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123 views

Is it possible to mass enable adaptive subdivision checkbox?

i would like to assign adaptive subdivision to many meshes. Doing it by hand will take a'lot of time. It seems transfer modifier does not transfer adaptive settings for now. Maybe it is because the ...
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1answer
3k views

Where is the shader panel in Blender?

Here is the part of the tutorial that I'm following that I'm stuck on: With your landscape selected, go to the Shading Panel (F5) and add a new material. Under the Shaders tab, drop the Specular ...
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2answers
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Is it possible to randomize color of separated meshes inside 1 object?

Is it possible to use some kind of randomizer to randomize parameters of the seprate meshes inside one object? Please see attached picture. On the left there are bunch of cubes. On the right there are ...
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2answers
349 views

Toon shading using realistic textures?

I'm trying to figure out a way to give a model a toonish look,but retaining the texture details. Is that possible? This is my current setup.
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1answer
137 views

How can I avoid seeing the inside faces of a semitransparent object in the game engine?

I want to know if it's possible to make an object transparent just based on how the object is rendered when it's not transparent. I want this to avoid seeing the faces inside or on the other side of ...
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1answer
5k views

How to make an substance painter shader [duplicate]

how can I found/use/make a shader in Blender which allows me to use the textures from Substance Painter? I would prefer to be free. Thanks
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1answer
550 views

Material rendering black

By that I mean things with a specific shader are rendering black, though the shader will render if I disconnect everything except ye olde diffuse, glossy, and mix shaders For brevity, here's the ...
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1answer
203 views

Auto-execution Cycles Node Trees

I have noticed that Blender doesn't redraw changes in Cycles Node tree when they made with Custom Property via scripted Drivers. I need run animation to see changes in real-time, but it isn't handy ...
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2answers
3k views

How can i flip the Y axis of a normal map in the Blender Render texture tab?

I have flipped the Y axis of a normal map to make it compatible with Unreal 4 but when i want to see how it looks in the Blender Render viewport the lighting is inverted. Is there an option to flip it ...
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1answer
1k views

Substance B2M to Blender Workflow

I have decided to work with Substance B2M en use the texture maps in Blender. I want to work with the PBR shaders of Cynicat Pro and connect the Substance maps into the input nodes of the PBR Shaders. ...
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2answers
3k views

Custom fresnel curve

When it comes to recreating the shading of metals like chromium with such extreme reflection curves it's obviously inaccurate using one averaged reflectance curve. Also eye-balling the values appears ...
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1answer
486 views

Joining 2 objects, but I get a weird shading issue

Good evening, I have a question about joining 2 objects. I am currently working on a tire project and want to connect 2 different objects, but I get a weird shading issue like you can see in this ...
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1answer
571 views

Blender weird shading

I'm having this problem If you notice que is this weird shading on the curve , how can I fix it? i dont really know what it is, I've already tried flipping the normals but nothing, what else can i ...
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1answer
212 views

Cannot light portions of object with point light

I am setting up a simple scene with only a single object, a truck, and a point light. It seems that regardless of where I put the light, the hood (among other portions) of the truck won't be lit. Here'...
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2answers
11k views

Generate Particles with Random colors (continuously or from a set)

I am trying to do rocks and I want them to have a random base color from within the colors that look "rocky". The only method I know of is to duplicate the base objects over and over and give each a ...
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1answer
117 views

Adjacent planes rendered in very different colors?

I defined some glossy (Glossy BSDF shader) planes by specifying the four vertices and vertex order for each. They are separate meshes, and there are small cylinders separating them. I rendered them ...
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1answer
961 views

How to make an “old glass” material in cycles?

I'm asking about the glass found in old windows. It is not just dirty, scratched, or with varied roughness, but it has irregular imperfections in the glass that make all sorts of distortions. Both ...
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1answer
1k views

How to make object transparent on “texture” view mode

I have managed to make an object transparent on solid viewmode, but It is fully opaque when "texture" viewmode is selected. The reason I need it transparent for textured view is that I'm editing the ...
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2answers
765 views

Why do shaders have a normal input?

It is probably a very stupid question but why do have many shaders (diffuse, glossy, ...) a normal input ? What happens with that normal input ? Maybe it helps when I clarify the background of my ...
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3answers
3k views

Glass acting as a lens?

What could be causing my plane with glass shader to act like a lens? I want normal glass, and already have tried 2 different node setups, but it still acts like a lens. Render: Glass node setup 1: ...
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1answer
3k views

How to make a “reflective tape” material in cycles?

How can I make a cycles material that gets very bright when a light is shown on it, yet still has normal colors? I'm talking about the "Retroreflective sheeting" that can be seen on road signs, the ...
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1answer
646 views

Performance impact of turning up Max transparency bounces?

When using transparent objects, if you do not allow enough transparency bounces (set in Light Paths) then you will get black artifacts. Having more transparent surfaces and bounces slows down the ...
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1answer
3k views

Realistic metal textures

So guys i'm not the greatest when it comes to metallic textures, any other textures i can do. I can easily create a silver(Natural) metallic texture, But i cannot create a Green(Painted) Metallic ...
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1answer
562 views

Blender internal - pure white plane with shadows/gloss

I'm trying to do something like this in Blender internal renderer: Here are some Cycles-solution using, which I'm trying to replicate in Internal: How do I make a pure white plane that receives ...
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0answers
564 views

How to achieve a microbe/bacteria material?

I want to make this texture: So far I have done: This is my adjustment: How to improve my material?
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1answer
87 views

Equivalent Mix fac to Fresnel?

Normally we use Fresnel (either from the node or layerweight) to mix between Diffuse and Gloss shaders. This works best for normal shaders, but isn't always best for non-realistic shader setups, or ...
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0answers
63 views

Create a light ray effect? [duplicate]

I've got a scene where a sun is shining through a couple of windows: I want to make it so that there is a light ray effect between the windows and where the light hits, like this: Here's what my ...
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0answers
329 views

How do I set a material in renderman to use a specific UV map?

My model has 4 separate UV maps for the head, arms/hands, legs/feet, and body. But i can't find a UV map node equivalent in Renderman. After converting the node setup to Renderman, it doesn't have a ...
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1answer
552 views

How to make rocket engine plume?

I'd like to know how to make those high velocity flames that can be visible in this vdeo https://www.youtube.com/watch?v=NjZ9ly7c08s. I've made flames myself but they dont look very realistic https://...
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3answers
222 views

Broken lighting in Blender file

I'm having difficulties with a Blend file: Point Lights and Area lights are almost invisible Sun, Spot and Hemi lights are functioning normally By 'almost invisible' I mean that I have to crack up ...
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4answers
747 views

Why does the saturation get stronger in darker areas of a cycles render?

I'm rendering a cube with a single light-source with the standard white/grey diffuse-shader and therefore getting a picture with values-only and then multiplying a color on the image, the color on the ...
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1answer
395 views

blender subsurface scattering scale control with non-color data texture

Is it possible to control the scale for the subsurface scattering shader using a black and white texture.......and what color should i use on my texture to make some parts have larger subsurface ...
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2answers
350 views

How to make variable transparency hole in a plane with a math function using nodes?

One way to make a transparent hole in a plane with graded transparency is to uv-map a solid, monochrome image with graded alpha (I assume). But can I do this with nodes? I've used the Error Function ...
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1answer
541 views

Custom cycles node outputting shader

I've looked through documentation and many questions here, but couldn't find an answer. Is it possible to create a custom node for cycles with python, which will include inside itself already existing ...
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3answers
1k views

Move center of radial anisotropic to center of object

Is possible align the center of radial anisotropic shader with the center of the hole? I tried: Move origin (I always think origin determines the center of anisotropic- not true) Separate tangent ...
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1answer
169 views

Diffusion confusion - what is the right diffuse shader yor which application?

with this i would like to start a question / discussion of what type of diffuse shader is to use for which specific application. Cycles comes with a "Diffuse" Node, but other nodes do diffusion as ...
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0answers
36 views

Why does mesh have dark faces and is destroyed with Subsurf modifier? [duplicate]

This glitch is really annoying me and I'm not sure how to fix it. I am making a character with no current textures or materials and I've been trying everything to fix it. I am using blender 2.76. I ...
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2answers
2k views

Confusing problem when I'm trying to mix Diffuse with Glossy shader

Alright, so I have a confusing problem when I'm trying to mix together a Diffuse and a Glossy shader. To be more precise, this is how the scene I'm trying to create looks like with only the Diffuse ...
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1answer
655 views

Masking a light for shadow texture

I plan to fake a shadow from a light using a mask (in the area light's material I mixed a black 0 strength emission shader with another one that actually casts light). However, the result is nothing. ...
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1answer
611 views

How to use a custom tangent for anisotropic shading in BI/Blend4Web?

I'd like to create a material such as this in Blend4Web (and if it can be done in BI, chances seem good the same approach can be adapted for Blend4Web): I've rendered the above image in cycles via a ...
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0answers
860 views

why is an extremely simple render taking too long? takes same time to render a much more complex scene… need help

I am doing renders on a somewhat old laptop through cpu and not GPU. not the fastest set up but gets the job done slowly and surely. I do have an issue where i created a scene of a dark room for ...
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1answer
1k views

How to create a distorted reflection glass?

How to distort a glass reflection to make it look the same as pictured below?
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1answer
2k views

Shader Option Missing

When adding a material, I'd like to add a shader. Not sure why it's not showing up. Am I missing something? I'm using Blender 2.78
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1answer
1k views

How to make a good glow effect around a sun?

I am trying to figure out how to make the space around the sun glow and than fade away into darkness. The sun was made in blender using cycles render and several noise textures. The glow I have ...
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2answers
493 views

What is shading?

In Blender often the term Shading or Shader is used. I still don't understand this terminology very well. Yes I have tried and for instance read the manual but I think it is because english is not my ...
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2answers
1k views

How to use color ramp with torus

I have a torus and I need the material to use a color ramp so that all the surface has one color (red) except for a strip along the longest edge (yellow). Something like this: I tried unrap in every ...
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2answers
775 views

Decompose image into albedo and shading with cycles

I am using cycles render in Blender for my scene and would like to decompose it into albedo and shading components. The concepts could be referred from these sites: http://www.cs.toronto.edu/~rgrosse/...
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1answer
9k views

How to make an object not be affected by light?

I was to create a textured plane, and I want that plane to not be affected at all by light. Meaning no shading, and the render is exactly as bright as the texture I provided. Kind of like using the ...
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2answers
805 views

Shadeless mesh that's being affected by lighting?

For a while now, I've been using the emission node to create shadeless materials and textures: that way, no matter what the lighting or environment is like, the appearance of the material does not ...
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0answers
977 views

Creating realistic glass material with control over transparency

I`m trying to create a glass box with objects inside, basically a display case. On another thread here I found the setup for a realistic glass material, however the result seems very dark. The ...