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.

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103 views

Welded Iron bronze/silver material?

Ive made an exhaust manifold with welds in cycles, Im trying to acheieve a realistic material where the welds are a rusted bronze like in the image attached. How would I go about getting this result?
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44 views

Lifetime Color Change Material + Time Remapping = Problem (Cycles Animation)

I am posting because I've been working on a problem all day and I can' t find the right solution anywhere. I'm going crazy. :P My situation: I have an animated scene in 24 fps I want to release the ...
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172 views

Blender 2.80 displacement texture bug(?)

I thought I better seek help from others to make sure I'm not making a user error here before placing a bug report. In using greyscale displacement maps (textures) in blender 2.80 I've noticed ...
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1answer
272 views

How Do i add colour to this image texture?

I think i have bumped it correctly? I now want to add colour so that the planet looks nice. Also I am having trouble with the image texture after unwrapping and scaling in the uv image editor- not ...
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119 views

Cycles Nodes - object location in another object's space?

The Object Info node gives me access to the location of the shaded object('s origin) in World Space The Texture Coordinate node gives me access to the coordinates of the shading point in the Object ...
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1answer
102 views

How to combine transparent environments with alpha masks?

So there's this Toei anime from 2003 called Air Master and it had a very unique outro in which the main cast would sprint through their hometown. I'm fairly confident that it's environment CG, given ...
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76 views

How can I make a paint-covered material in Blender?

So I'm struggling with the wheel rim's surface material and this is what I've done: The nodes: (PBR material from Remington Graphics) The real stuff: (For more references check this out) So I'd ...
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53 views

Cycles : how can I setup a glass material that doesn't become too dark when it is stacked?

I'm working on a picture where I need to stack layers of glass (the floors of a building). The glass materials are tinted. The goal is that you could read cleary and distinctly the color of each ...
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32 views

How to get gradient material to work with rig?

I've got a lil character i'm making that uses some gradient materials, but I don't know how to make the gradient move with the deformations. as you can see, the gradient doesn't move with the ...
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1answer
63 views

Clip depth field of view in nodes

I am a beginner in Blender. This is what I do to save the depth: I can get the real Z in meter from the camera to the object. But how to simulate the field of view ...
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61 views

How to drive the color in node editor by the color of the light?

I want to control the color in the node editor by light color. After trying it myself, I guess I should probably get the RNA properties and enter it in the driver editor in the correct way. I ...
2
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1answer
124 views

How to translate plane coordinates x,y to equirectangular?

I have a procedural texture with a circle made by formula X ** 2 + Y ** 2 < R ** 2. It looks like a circle on a plane. But if I try to use this formula in the World environment - the circle is ...
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95 views

The correct Node workflow?

I stumbled upon this link which depicts the workflow for creating materials in Houdini. Material Studies: Metals How would you approach this workflow in Blender ? Thanks!
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168 views

can I use vertex alpha to blend 2 textures?

I'm currently using the newest build of Blander 2.79 which has the vertex alpha support. Is there any way to use the vertex alpha to blend between 2 textures? I have this node set up, but the ...
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160 views

Turning Point Cloud with vertex color and normal data into a Mesh using nodes?

Not quite sure if this is a too big of a question to answer using Sverchok, but I will ask anyway: if we have Point Cloud data, each point has Color info and Normal info, how hard it is to turn it ...
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86 views

Is there a way to duplicate a material node with it's keyframes?

I also tried by making a group of nodes and duplicating the group, but if I undo the groups, only one of them keeps the keyframes.
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118 views

How to change the active node tree data block using python?

I'm using animation nodes add-on. How can I switch between the node tree data blocks using python (as shown in the picture below)?
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196 views

How to drive the Scale and Position of the Mapping Node to the value of other Nodes?

I want to drive the scale and position respectively by the value of other nodes. So say I have to use the value of the green nodes in the second image to control the scale of the Mapping Node and the ...
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173 views

How can I create a cycles node setup for this black hole

so I am making a black hole in blender. I am "following" a tutorial for it, but it isn't exactly made for blender, but lightwave 3d. Now I am trying to create an innersteller like black hole, with the ...
2
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1answer
203 views

Can I only Render light that psses through an object?

In the image below I would like only the light that passes through the sphere, in this case the bright dot in the center, to be visible. Is there a way to set this up in cycles? Thanks, Tyler
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200 views

How to set default values for sliders (node groups)?

I am working on a pretty involved volume shader for artistic looks. I have created a large node group and because of the way I have things set up small changes in values can change the look ...
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68 views

Let wireframe node only show edges where normal changes

I am mixing a diffuse shader and a transparent shader in a cycles matrial. As factor input for the mix shader node I use the output of a wireframe node. So the wireframe node will output 1 where an ...
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38 views

Cycles 2.79 Need reflect and refract output

Blender Render allowed reflection and refraction as distinct output nodes for renders: I am working with an FX firm that is asking for the same sort of output from my Cycles render, plus specularity. ...
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90 views

Blender(cycles) fails to render correct values in some pixels. Fails to hit correct triangle. Why? And how to avoid this problem?

I do some rendering in blender(cycles). I render with the help of cycles nodes .exr images, where in each pixel instead of rgba-channels I store xyzObjectIndex-channels. Everything works fine up to ...
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49 views

Is it possible to establish some connection between materials with physics and physical properties?

One thing that bothers me a bit in Blender (or maybe in other similar frameworks) is it seems that materials and physics seem to be totally independent of each other, at least in Blender. However, in ...
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76 views

How to add a vibrance value to a render in post processing

Is there a way in Blender to add vibrance? I have a render which I'm trying to add vibrance to in Blender, not in Photoshop (which is what I've been doing, but is tedious). I know there is a ...
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95 views

Color ramp gradient 'flattened out'

I'm experimenting with some procedural ways to create dunes, but I'm experiencing some issues with the color ramp. I want the top to be (close to) pefeclty sharp, but right now it is sort of beveled. ...
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266 views

Cycles Convolution Matrix (Kernel)

According to this post: voronoi cracks fac Is it possible to refactor the texture and use it from outside the node group? So it would be possible to have an Convolution Matrix Node. P.S. Why are the ...
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654 views

How to make low poly water with foam effect?

There is a very cool foam effect rising on the shore in this low poly water asset made in Unity: And here: Is it possible to create a similar effect in Blender? I have the water material down, I ...
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75 views

Shadow very suppressed in compositor when goes against background

For some reason my render in the compositor is all weird. Here's the problem: the background is not completely white and the shadows get suppressed. If I render everything without the background ...
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147 views

Simulate light bending due to gravity

I'm trying to demonstrate light bending due to gravity, but my knowledge of Blender isn't up to the job. As a test I have a sphere with the Glassy BSDF shader. The colour is set to white, and I've ...
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52 views

Can all images be reloaded at once with the node wrangler?

I have multiple textures that are used across many objects. Some of them are being revised along the process by previewing them in preview render. I want to know when using the shortcut Alt+R does it ...
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313 views

Using Python to add driver to cycles material node properly

I've been working with an audio-driven animation and discovered that you cannot apply a driver directly to an input field on a material node. Rather you need to navigate through the Datablock to the ...
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288 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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442 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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130 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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254 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 ...
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492 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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245 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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162 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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55 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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65 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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0answers
168 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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354 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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0answers
243 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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144 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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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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452 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 ...