Questions tagged [materials]

Questions pertaining to creating materials for Blender Internal and Cycles. Materials are used to define the way an object will interact with light for rendering.

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371 views

Is color mismatch normal when using Texture Paint Quick Edit?

When I use Quick Edit to transfer a screen capture to PhotoShop, then edit the image, save it, and Apply it back in Blender, the image that is projected on is noticeably darker. This causes lines to ...
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5answers
15k views

How to know which object is using a material

How to know which object is using a material. I know that a material is used 4 time -> picture under: I'm searching a solution with python and I'm blocked here : ...
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1answer
516 views

Problem Duplicating Textures

I have a material that contains several procedural textures. I need to duplicate an object that has that texture applied, and then change one of the texture parameters in the duplicated object without ...
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1answer
2k views

Procedural Vue-like materials with Cycles

Is there a way to make procedural materials like the ones here in Cycles for rocks, sand, landscapes, etc.? Here's an image of what I'm trying to achieve:
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1answer
1k views

How can I create a single Cycles texture with a different image for each object it's assigned to?

For a model I've made I'd like to keep the basic properties of the Cycles material (shader type etc) the same for most of the objects that make up the model, but have a different image mapped to for ...
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2answers
3k views

Is it possible to simulate Fluorescence in cycles?

It it possible to create a fluorescence shader in cycles? From Wikipedia: Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation. More ...
8
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1answer
2k views

How to achieve a retroreflector material in Blender Internal

As the title says how can I achieve a retroreflector (like you would see on bikes and street signs) material in Blender Internal? I haven't been able to figure it out, is something impossible to do in ...
3
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2answers
918 views

Is it possible to visualize ray length info as a black and white map?

Prompted by my previous question, Is it possible to see the output of a node group like this one: (created from this tutorial on blender cookie) as a easy to visualize (and quick to render) black and ...
3
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1answer
1k views

Is it possible to get the length of a ray inside an object with nodes?

Is it possible to get the distance a ray travels inside an object with cycles material nodes? Then map it to a 0-1 range to create a map: E.g. to adjust the color of a Glass node to make it more ...
5
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1answer
2k views

How to preserve Cycles material colours when exporting to .obj format?

When I export .obj files from scenes that use Cycles (and thus, materials with nodes etc), the material colours are not preserved in the ...
14
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1answer
4k views

Dot matrix display in Cycles?

Is it possible to make a dot matrix look with cycles? I attempted this with the following node setup: However, the dots should be round, and each dot should only have one color. As you can see, this ...
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1answer
3k views

How can I apply some material included in a node-pack library?

I am new to Blender. How can I apply some material included in a node-pack library?
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2answers
4k views

Is it Possible to Create an Opalescence Shader in Cycles?

Is it possible to make an Opalescent shader in cycles? From Wikipedia: Opalescence is a type of dichroism seen in highly dispersed systems with little opacity. The material appears yellowish-red ...
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2answers
3k views

How to iterate over material index using Python

I want to iterate over the material index of material slot and change the value of each material index. How can this be done in Python? I've tried using the Python shown below, but it doesn't work ...
4
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1answer
783 views

Edge effects on almost completely transparent objects

I've got a semi-transparent outer block, and two semi-transparent inner blocks. I'm trying to animate the inner blocks fading out by bringing the transparency alpha to zero. I'm using Blender Internal....
38
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2answers
20k views

How can I create a convincing sea material in Cycles without using the ocean modifier?

I'm trying to render a sea scene animation, but using the ocean modifier and huge subdivisions isn't feasible due to the large scale. Luckily it's a calm sea and seen from quite a distance, but there ...
3
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1answer
458 views

Dark surface unchanged by light source changes

I have 3 lamps on the scene (the one on the left has 0 energy): The rendered surfaces are supposed to look like shiny metal. However, there's always a dark spot at the top of the large light orange ...
20
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1answer
39k views

How can I blend two textures together using Cycles?

I am trying to put dirty material over a concrete material in cycles. Now I am trying to do this using a color ramp and a mix shader, but I don't know if this is the only way or best way to do this. ...
10
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1answer
9k views

How to find which materials use a missing texture?

Menu command File > External Data > Report Missing Files gives output such as: Warning: Path '/foo/sometexture.jpg' not found How do I discover which materials ...
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5answers
5k views

Multiple Linked Objects with unique Materials / Group Materials override

I want to have a Cube in scene A, and linked in scene B, but with different material. The solution for this problem was found on BlenderArtists. click the material tab and you will see a little ...
3
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1answer
719 views

Where are influence and mapping settings of a texture saved?

I just did the following:   I created one material and one texture. I applied this texture to 5 slots and, which is nice, can assign different settings to each instance of the texture (...
5
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1answer
2k views

Export Wavefront .mtl file -- Where is the reflectance coefficient?

It seems that when exporting a model, the output .mtl file does not include reflectance coefficient, which in blender is set using under "Mirror" in "Material". The .mtl file is as follow: ...
11
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1answer
13k views

How to unlink a material only from a linked object?

I've created a second scene with a linked object but want to replace the materials on those objects only in the second scene. Nothing happens if I choose the material in the outliner and choose ...
19
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5answers
36k views

Rendering with wireframe

I'm making figures to illustrate some details about how meshes work. I'd like to render my scene normally, but overlay all of my meshes in wire mode. The only solution I've found which works is ...
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2answers
548 views

Material assignment

I am new to Blender. I'm attempting to learn how to use it to render architectural models created in Sketchup or Rhino. One of the difficulties I'm having is figuring out an efficient way to assign ...
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2answers
8k views

How can I create a mirror material for the game engine?

A google search found this demo of a mirror in the BGE Video:Mirror Made in Blender Game Engine but I can't find out how to setup the material. Unlike in the BI renderer the option Mirror isn't ...
6
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1answer
3k views

Is it possible to deselect freestyle edges?

Is it possible to deselect freestyle edges? For example, I enabled Material Boundary in Render layers → Freestyle Line Set → Edge Types to draw lines on all edges between faces with ...
8
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2answers
2k views

Using a mapping node to disable tiling is streaching texture?

I'm having a bit of an issue getting started with UV mapping in Cycles. It works fine initially, but when I add the mapping node and set min/max to the default values to turn off repeating, I get the ...
8
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1answer
2k views

Is it possible to use the output of a Renderlayer in the material nodes of another RenderLayer?

Is it possible to use the rendered output of one renderlayer in the materials on another render layer? How can I achieve this?
7
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1answer
2k views

Microscopic Material in Cycles

How would I make this material in cycles? Thanks
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2answers
955 views

Paper model effect from Royal Institution titles

There's a clip in the Blender 2013 demo reel that consists of a fly-through of a paper cut-out model. (32 seconds in) I'd like to have a go at recreating that look. Does anybody have any tips? What ...
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1answer
406 views

2.63a texture bump in nodes

I can only use versión 2.63a due to system limitations. I'm following a tutorial and noticed that in 2.66 there's an option for texture bump in the nodes section. How can I manage a bump in nodes in ...
5
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1answer
2k views

Set face texture

I want to set texture for faces. I put together a quick example using the "Cube" and an existing BMP as the texture file on disk. I am in Object Mode. I set the Viewport Shading to Texture. The code ...
15
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2answers
7k views

How to unlink material from a mesh, with python script?

Blender 2.68a, Python 3.3 I would like to unlink material from a mesh, and even after googling a hour I don't know how to do it. I only saw scripts that work in Blender 2.5x only for this. So could ...
8
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1answer
5k views

Objects with transparent texture not always show transparency in 3dview

For some reason objects don't show their transparency all the time. In this image the circles in red are suposed to be transparent like the ones in green. When I select the object in the back, all ...
7
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1answer
3k views

Make White Transparent shader that is not transparent?

How can I make a slightly transparent white Transparent material in cycles, when making the Transparent shader white makes it completely transparent and invisible?
10
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1answer
3k views

How exactly does the Sigma parameter affect the Velvet shader?

How does the Sigma value of the Cycles Velvet BSDF shader work? Intuitively, it seems to serve as some sort of ceiling value for the shading. How does it affect the light bouncing? I've looked at the ...
3
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1answer
2k views

Boolean modifier messes up material assignment [closed]

I have a car that has two materials assigned to it. When I apply a boolean modifier to the car it tweaks all the colors that were assigned to it. Why is this and what can I do about it?
12
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2answers
21k views

Different image textures for one material (Cycles)

With Blender Internal (2.79 and older), you can add a UV layer, assign images to each face, Then enable the materials Face Textures option. Is there some way to to ...
2
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1answer
987 views

How could I avoid UV maps when combining procedural Textures?

I would like to have a transparent material like: What I have so far is How could I get rid of the Texture Coordinate and Mapping Nodes? (I just did this because I don't know better)
38
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3answers
30k views

How can I make a material only apply to a side of a plane?

How could a one-sided material be achieved with the Cycles renderer? I would like to create a plane that is completely transparent from one side, and a mirror from the other side. It would be cool ...
4
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2answers
757 views

Control several different materials via one slider

I have to set up an exterior architecture scene… to make it more lively I put a lot of silhouettes into the scene. They are planes mapped to transparency with a mask in cycles. Now I have to ...
10
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1answer
22k views

Why is my entire render white?

I attempted to render my first short movie in Blender (2.68) today, just a 3D structure of a molecule rotating. I imported it using Atomic Blender converted it to a solid object and then rotated the ...
19
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1answer
14k views

What is the difference between Translucency and Transparency?

I have been wondering this for a while. What is exactly the difference between a translucency shader and a transparency shader?
5
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1answer
608 views

Exporting to fbx - halo material is lost

I have a simple cube (the starting scene cube) that I applied a halo material to. When I export to fbx and use the fbx in xna, it just shows the normal grey cube, sans halo. How would I keep the ...
4
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1answer
2k views

What kind of uses could the Wavelength node be used for?

One of the new features in 2.68 is the Wavelength node, but I have yet to think of a good way to put this to use.. (though dispersion and diffraction immediately spring to mind) What are some good ...
2
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1answer
1k views

Why does Rendering Reflection + Refraction take much longer than Rendering them Separately?

In Blender Internal, to simulate glass properly, you have to enable Glossy, (Mirror) and Refraction. (Raytraced Transparency) However, rather than taking ...
6
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2answers
1k views

Can I use an image sequence with offset frames as a texture on array items

I'm creating an animation of a film bed with a film strip running through it. The film strip is basically just an array object with a curve modifier. What I want to do is use an image sequence for the ...
7
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1answer
2k views

"Map Range" node equivalent for Material nodes?

I would like to use the age of particles to effect the color of a material, however the Particle Info node returns the age of the particles in frames so the values are greater than one. (which makes ...
5
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2answers
5k views

Dark Shadows when using AO with Transparent Materials?

When rendering this scene in Blender Internal, the wine glass in the scene has a dark shadow collect at the very bottom. I have shadow transparency on, the shadow from the light turned off with ...