Questions tagged [nodes]

Nodes are used in the Node Editor for compositing, post-processing, creating materials and textures. Use this tag for anything node related.

706 questions with no upvoted or accepted answers
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314 views

Proxy linked material

I am linking a large scene into another file. The scene consists of lots of objects and lights. All of the lights use the same material group, but it has a different output for each light. This lets ...
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462 views

Using the output of the shader as a masking factor in the cycles?

I use the output of the material(shader) as a masking factor in the Blender Internal renderer. I tried to do the same in Cycles but it didn't work. Is it possible to use only texture or input nodes ...
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132 views

How can I change the color of clouds?

I created a scene using a bunch of clouds from the Cloud addon that comes with blender. I played around with the nodes but I cant find a way to change the color of the clouds? Also The clouds in the ...
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0answers
274 views

Controlling Node Based Displacement

Hey I'm making a model that uses the experimental microdisplacement to make bumps on my mesh, but I only want the bumps to be in certain parts of the mesh. Is there some way to use vertex groups or ...
2
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0answers
525 views

Compositor output as texture in Cycles material? Better in realtime?

If there any way to use Node Compositor output result as texture or image in Cycles material/shader? Better in realtime? Or use Compositor nodes in Material Node Editor? May be any Addon to automate ...
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254 views

how do I make a realistic moon on a day sky in cycles?

I had a node setup as shown in the picture. although I still have to plug in the bump and diffuse maps, I wanted to see the effect that the darker side of the moon is not black but the color of the ...
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0answers
172 views

materials different between render and viewport cycles

Right now I have a scene set up with two emmission shaders on two planes. In the viewport render I get this image But whenever I render it, I get this The viewport render is as desired but the final ...
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0answers
57 views

Motionblur on Cornerpin node?

after writing a script to import cornerpin data from Nuke, I just realized that there is no motion blur. Is there a way to turn it on, or is it just not supported? Thanks
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69 views

Mapping problem between 2.78a and 2.78b

I use spot lamp as projector with concentric circles. (mapping wave texture, normal coordinates, rotation via driver) The same scene give wrong results with blender 2.78b 2.78a is good Is it some new ...
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75 views

Texture Coordinate from object in linked material

I have an object that is being linked into a new file (Object A). Object A has a material that uses the Texture Coordinate node, and uses the coordinates of a separate object in the same base file (...
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0answers
175 views

Limit object info node random behaviour?

I ran into a problem with the random node, I'm hoping I can find an answer too. Does any body know if it is possible to have the "object info> random" node not effect stacks of objects? so it would ...
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0answers
133 views

Combining OpenGL and Blender Render (For Lightsabers)

I'm working on another lightsaber video. For the clashes this time, I've decided to utilize a lens flare pack by cfirwin3 here and it's super awesome. However, it appears that they only render ...
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0answers
378 views

How can I create a milky, smooth, transluscent plastic material with nodes?

I have been searching around for quite a while now. How to create a plastic material which absorbs light with properties of having a volume absorption node;is shiny on the surface (glossy) and is a ...
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256 views

Custom Python Nodes: Calling Group Node

I am writing a custom shader node that essentially "Calls" a predefined group node into the code. Here is the group node I am looking to call: I am using the "CustomNode" template that is packaged ...
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0answers
153 views

Time remapping incompatible with particle info node?

I'm trying to make a spark material that fades to transparent as it reaches its lifetime limit. I've succeeded, but it absolutely does not work with time remapping for some reason. Here is my problem ...
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1answer
1k views

How to set specular intensity and hardness in Blender Internal nodes

I am learning how to build shaders out of nodes in Blender Internal and I am confused about setting specular intensity and hardness. Obviously I can just set set the intensity and hardness in the ...
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0answers
79 views

What's the difference between this two “default” material setups?

I watched a tutorial video that shows how to do bump mapping. I have tried to do what I saw in the video, but I found some a difference in new material creation. When I press create a new material I ...
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101 views

Is it possible to determine emission shader value by other lights?

Is it possible to take a lamp/sun/point light and use it as a value on the scene to tell materials that are not affected by the light source to emit their own light? This is photoshopped example of ...
2
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0answers
455 views

Why does this material show up black?

So basically I was rigging up the new CS:GO hands in a multirig,as you do, and after all the rigging was done and textures were assigned, I went to do a render in Cycles to see the end result. In the ...
2
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0answers
229 views

viewing node outputs

If you have a node, it's pretty easy to get it's output in a visual form. With colors, normals, and values between 1 and 0, an Emission shader can be used with a Material-mode viewport... ...but when ...
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0answers
255 views

Does cycles allow for negative values in color data?

I was recently working on a node setup the required for some color image data to have some negative values, as I was using the subtract node. As far as I can tell, the values stop being subtracted at ...
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0answers
127 views

Change the Description of a value of a node

Is it possible to change the Description of a value of a node in Blender python. I am coding an addon, and want to set description for a value of a node. But by default, it shows: "Input value used ...
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0answers
73 views

Mixed textures in blender shifted off, any idea how to solve it?

So, I've been texturing this model for days now, following a tutorial but after mixing the textures to get the ideal skin tune, I did a quick render and the textures are shifted off, they are far from ...
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0answers
417 views

How to properly import Image as Plane with Alpha Channel in Cycles?

I am making an 2-D animation using images-as-planes with alpha channel. I am using the Cycles render engine. I am using Blender 2.75. How do i properly import 300 dpi images, with alpha channel? ...
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0answers
159 views

How to search images in folder by suffixes and add as Image nodes?

I'm working on an addon which will add image nodes with custom images. Here is the plan: - click on "file browser" button and choose a folder with 5 textures (every texture has a suffix (tex_nor, ...
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0answers
669 views

Reflection problem on mirror object

I'm working on a project that uses backplates and then I am doing character animation seperately and compositing the animation over the backplate. When doing the character animation I try and match ...
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0answers
43 views

Modify light source so it will only create highlights and not reach into shadowy crevices?

My model has many protrusions and crevices. I am satisfied with the shadow that currently exists in the crevices, but the protrusions need more highlight to create a sense of volume. How can I ...
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0answers
128 views

Atmosphere appears on the dark side

This didn't used to happen but it seems like a bug I'm not sure. I was messing around with the color ramp of the atmosphere and now part of it appears on the dark side and then cuts off. I haven't ...
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0answers
678 views

Atmosphere Colour Change (Blender Render)

Just a quick congrats to the moderators who won! Glad to see some friendly faces keeping their spots as you've help so many out including me with this project and others. Back to my Earth project. ...
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0answers
540 views

How can I render the emission only?

I'm currently struggling with something that's frustratating me now for a couple of hours and still im not getting a reasonable result. I tracked a footage where I would like to insert a cube ...
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0answers
88 views

GLSL interactive lighting

Often when I'm doing something in the GLSL shading mode I always need that extra interactivity for viewing what's going on with my scene. With all the materials assigned and lamps in place, from time ...
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0answers
202 views

What does a red background for filename mean in an Image Texture node?

Normally the image file name is black on light gray. Here, it is red. What does that mean? I know it's not the file missing. The scene renders just fine, with the image texture doing what it's ...
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0answers
1k views

Transparent Plane Still Casts Shadow

In cycles render I have a RGBA movie of a man waving that I'm using as a texture on a plane. Using nodes, I can make the alpha channel transparent, but the plane is still casting its rectangular ...
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0answers
82 views

Is there a way to turn off all the tabs on the tool shelf in the node editor in verion 2.72?

I see there has been a similar question asked about this but it was for removing single tabs you didn't want. I want to turn all the tabs off in the node editor tool shelf back to the way it was set ...
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0answers
1k views

How to work with a custom Python node in Cycles

I'm currently trying to create custom nodes for the cycles rendering engine, in python. So far, I can add the node in the node editor with inputs and outputs. What I don't understand is how to set the ...
2
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1answer
293 views

Why it is impossible to drag an image into UV/Image Editor and Node Editor?

A strange thing happened. On my best computer (Windows 8.1, CPU i7 with 32 GB RAM and 3 GTX770 onboard) it is impossible to drag an image into UV/Image Editor and Node Editor. The mouse pointer is a ...
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1answer
19 views

How to Make Earth in Blender tutorial - How to implement the cloud shader properly?

Im following blender gurus How to Make Earth in Blender (Cycles) tutorial, and around the 16 minute mark, when he adds the clouds, mine still end up being opaque. I have followed his exact node setup, ...
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17 views

Drag and drop multiple images in Node Editor?

I can't drop multiple images in Node editor, it only create one node with the first image and others are ignored, any idea ?
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0answers
21 views

Alpha masks with a solidify modifier - objects with no edge?

I am trying to use planes with a solidify modifier and a transparency mask to quickly test the look of different images for a lightbox I'm making. However Im having trouble getting the rim of the ...
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0answers
19 views

Is there a way to adjust Vibrance in the compositor?

There is of course a node that deals with saturation but I'm not finding anything for vibrance values like in Photoshop which I find a bit more useful. This would be a very helpful thing to include in ...
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0answers
14 views

How to add image processing to compositor workflows

I'm looking for a way to add image processing to the compositor in Blender 2.8 or later. I'd like to use either a python script or an external program to process images as part of a compositor ...
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0answers
28 views

How do I add a material on top of others?

I've got two materials on a mesh. How do I add a noise/musgrave/any texture on top of both? (I tried to do this individually on each, but I got some ugly seams.)
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8 views

Why can I not transform (scale) a texture?

For some reason, changing values in the "Mapping" Node, does not do anything whatsoever. the plane is unwrapped, I reloaded the texture several times, all that happens when changing values is the 3d ...
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0answers
12 views

Why do I get different Denoising Normal Information when exporting as HDR and EXR files?

At the moment I am rendering images and need to also export their albedo and normal information. When I export them as .hdr images I get following result: When rendered for EXR (or PNG) I get the ...
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0answers
21 views

Mix rgb node logic

I have difficulties in understanding the logic of mix rgb node option “add”, “multiply”, and “Mix” under conditions of “fac” 0 and 1. Would someone explain with tables and examples. Thank you
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0answers
28 views

Why are some of my nodes different to nodes in tutorials I watch?

I watch tutorials for references from time to time and I noticed some of the nodes in my version Blender 2.81 are different from tutorials on Youtube. I don't see Voronoi texture has no Fac socket and ...
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0answers
34 views

Musgrave texture colour issue

Does anyone know why there is no colour option for the muskgrave texture?
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15 views

How to display a world texture as a spherical icon via Python?

I'm building some viewport display tools within a panel. I want to have a spherical icon display for the active world environment texture similar to the Material viewport HDR display. The material ...
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0answers
14 views

What's the “Alpha” option in the New Image Texture Node?

I'm wondering whether or not new Blender image nodes are baked with an alpha channel built into them by default. From this photo, it seems that's the case, but I'm not completely sure this is what I ...
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0answers
33 views

How to make a math function with equal sign in blender?

I was trying to make a circle . I tried to use this function (xx)+(yy)=a. Making (xx)+(yy) was easy but how i should go about making =a part in blender shader editor? (also it would be great if ...

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