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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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1answer
12 views

Do unconnected nodes increase render times?

The question title pretty much says it, does Cycles and Eevee take the time to process nodes that are not connected to the material output?
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How can I use Filter nodes from Compositor in Material Editor?

I want to use the filter nodes from Compositor in Material editor. For example, I want to apply a dilate filter to a noise texture. Is it possible? If not, is there a easy way to achieve this? ...
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1answer
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How to access and edit Mapping Node via python?

I need to access Mapping Node via python to edit Location\Rotation\Scale ...
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1answer
25 views

How to draw a node group in a layout panel using python

I just made that node group and i just wanted that this node group should appear in Properties panel in 3d view which appears when 'N' Key is Pressed this should look like this in materials tab can ...
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1answer
17 views

Why isn't my image texture working?

I am currently using blender 2.8 and I was putting a texture on a plane, so it shouldn't have to be unwrapped, but it crashed and when I went to put it back on it just comes out as like an average ...
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1answer
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Finding domain/range of a specific shader node input/output, inside the Blender UI?

Is there anywhere within the Blender UI that displays the dimensionality & bounding sets (e.g., all floats, floats in [0,1], floats in [0,255], etc) of arbitrary shader node inputs & outputs? ...
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1answer
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What does the “normal” socket of displacement node do?

I tried searching and there is no information about it. Blender manual says "to do" I did some experiment but still nothing is clear. Thank you.
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0answers
26 views

Gloss independent from material color

I got basic object with basic purple/yellow material, and two colored light sources. The problem is: The gloss from the light color is affected by material color. Purple + orange, gives blue. Yellow + ...
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Python: How to pan and scale GizmoGroup with background

I have coded a custom GizmoGroup to manipulate the effects strip in the VSE visually. It works in principle, but unfortunately I can't line up the gizmo with the picture, because the gizmo ignores any ...
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1answer
58 views

Selectively mix shaders based on color input

This might be a bit confusing, so my apologies before hand. I'm making a shader/nodegroup that emulates colors under a blacklight. For most colors (greens, reds, blues), it works just fine and looks ...
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2answers
36 views

Material Based on Distance from Origin

I am trying to make a brain coral. Currently I'm using a displacement modifier with an actual brain texture, which looks quite good. However, I cannot figure out how to get the material to work right....
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1answer
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Node Transparent Material Not Working

So I set up a mix shader node and added a transparent bdsf node to it and am trying to change the blend of it to alpha blend but the property tag isn't showing my blend settings.
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Is there a way to make a real person in a video appear as if they're a ghost using masks?

How do I overlap two frames in blender to make a person in the video appear as if they were a ghost? What I mean is that I want to make a person in the video transparent like glass, as if they really ...
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1answer
32 views

Using / making text into a procedural shader material in nodes

I know I can wrap text around a curve but is it possible to use / make text into a procedural shader material using nodes? I would like to have the text as a procedural shader material to place it ...
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0answers
13 views

How to draw inputs from node group in layout panel

How can I access the node group input sliders in layout panel my test script is this ...
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0answers
16 views

How to make a procedural plane world background?

I understand that this question is a little complicated, but I was wondering how to spread a texture on the node of the world, using procedural. In this example I have recreated what I would like ...
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0answers
20 views

Automatically converting text to mesh

I want to convert some text objects automatically in the right format, with the right font applied at the correct coordinates without having to fiddle around with every single word separately. I have ...
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1answer
17 views

Shader Editor not match selected material

I selected the glass which is glass, but under the shading, all the nodes are the donuts. What did I do wrong that the nodes are not matching with the selection? Thanks a lot!
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1answer
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What is the Difference between Displacement Node Normal Node and displace modifier?

The Displacement node doesn't seem to be much different than a normal map, where as the displacement modifier will actually effect the geometry. Am I missing something here, is there a difference in ...
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0answers
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Is it possible to prevent a node from drawing in nodetree

for an addon using a custom nodetree, i would want to let the user totally hide some nodes, but without removing them. They would still be active and execute as usual. Is it possible through python ...
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0answers
15 views

Volume absorption node Eevee

Is there render settings I can change to use the volume absorption node in eevee
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1answer
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Blender's 2.7 Texture View in Blender 2.8 - How do I remove all the shadows?

I'm not very good with Blender so please bear with me. I use Blender to create models for a game that I'm working on. The game doesn't have any light sources so all the shadows and highlights are ...
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1answer
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How to get if the image texture node material lost image path with python?

I was wondering if there was a way to get the simple information. For example on the broadcast node in this case it has lost the image link, how can I get this information in python? This is the ...
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0answers
26 views

Every material in blender possible?

Is it possible tor create every imaginable material in Blender only trough nodes, without using third party programs or other software to create Colormaps, Heightmaps, etc. ?
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A Node Setup that converts a greyscale bump texture into an RGB normal map… possible?

I want to create a pbr texture (voronoi based) and then have it converted procedurally into a normal map, which can then be plugged in to the normal node. (do not want to use bump node) Surely this ...
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Questions about Displacement and modeling

Question 1: these lines appear after I did those dripping drops. They do not look odd in the final render, but I wondered how to remove them. Question 2: the donut looks like made from Polyethylene. ...
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1answer
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How to create a new material and set it has active material using python script

How can I create a new material and set it active material on the active object using python script.
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Wireframe Node without Triangulating

Is there a ware to turn of the Triangulation of the wire frame node? I tried using freestyle but it crashes my blender when I render my model.
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Applying a baked normal map - edges too sharp

After I applied a baked normal map from a high poly cube object. The low poly cube adopted the same form, but the edges are sharp, is this happening because I have no subdivisions? Please have a look ...
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3answers
37 views

Blender 2.8 Time Nodes for 2d Animation

I am pretty much a blender newbie but here is what I am trying to accomplish: Basically I want to create a simple 2d animation using nodes. I created this simple network which changes the color over ...
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23 views

What can I do to make this wave texture apply evenly along the segments?

I am trying to create a necklace in Blender, and I wanted to create a smooth elegant segmented chain instead of the usual links. My plan was to use a bezier circle to make the shape and 'pose' of the ...
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0answers
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How to call an operator that can add node group to the active material?

I just read this https://blender.stackexchange.com/a/80833/81534 In this answer i was focused at this line - if you have bl_idname='mesh.beautify' then the operator can be called from python ...
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Can Node Frames be saved for recall later? [duplicate]

Can Node Frames be saved for recall later maybe in another project? Are they (frames) managed as object data in and of their own right?
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1answer
79 views

Can anyone Fix this Little Error in My Script

I Just Have a Test Script Which Has Some Errors, As I Am Noob To Scripting I don’t Know How to Fix these errors This script creates a Test Material and a Panel in Physics Panel and a Button is ...
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is there a method in nodes to convert vertex color space to linear?

I need linear color space for comparisons in the viewport, is there a method for this using nodeS? currently the output of [vertex col] is rgb?
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1answer
10 views

Is it possible to edit 2 nodes at the same time ? In 2 windows

In each window one different node to edit, im trying to, but when i switch one the other one switches too...
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1answer
30 views

Color ramp node resets one color when rendering

I am using a color ramp node to set the base colors for a vertex group. It works fine, but I have one problem with the selected colors. As you can see in my screenshot, I have selected purple, blue, ...
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2answers
29 views

Is there implementation of tri-planar mapping in Cycles renderer?

Is it possible to have tri-planar mapping in cycles? Like in corona renderer or fstorm?
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0answers
27 views

Creating a BW (not grayscale) image from alpha - Blender 2.80

Community on StackExchange, I'm trying to get a black and white image from an image with an alpha-channel in the Eeevee renderer. alpha -> black rest -> white I used the alpha-channel from the ...
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0answers
7 views

compositer scale node translates image diagonally downwards

when I use the scale node it commonly also slightly translate the image towards the bottom left. in this example I'm up scaling an image to a frame exactly 2x its original size as you can see there ...
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0answers
23 views

How to add smooth step equation to a shader node graph?

I'm trying to add some math to a shader network that I'm building. I want to take a numeric output from a node and pipe it through the equation f(x) = -2x^3 + 3x^2 (this is sometimes called the ...
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0answers
13 views

Smoke Domain obsures particles

I have an issue with my smoke/fire simulation where the domain is obscuring the particles on the ground, which act as my shockwave effect. Once they leave the domain, they're visible again. I've tried ...
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0answers
33 views

Create a Material using Python script

I have Created a Node group Using Python Script and Now I wan't is To Convert This To Add-on, I Wanted that whenever I click a Button "Add Test Material", It Create a Material which consist of That ...
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1answer
42 views

How to lessen geometry of an object during animation

I'm using Blender 2.8 to animate the growth of a curve that is beveled using python and Animation Nodes 2.1.4 (running Ubuntu 18.04 64bit) The animation generates about 2.6+ million vertices and ...
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0answers
11 views

Physics Attribute Node

Can the attribute node have an attribute that measures the force put on a surface? I'd like to attach this to the displacement output as a different way around fluid simulation, that hopefully ...
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0answers
22 views

How to append a material and make it the active material using python?

I have appended a material from another file using the following script: ...
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0answers
36 views

Need help with Alpha Transparency

In the attached image there is a alpha texture which is used on that kitchen asset (forgot name :p) and it occupies that whole layer, i want to use the material in a way where the area excepting alpha ...
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1answer
23 views

How To Resize a Node Using Python script

I have created a node group 'test_group' using Python and now I want to resize my the node as it has much less width than I want that it to have. Can anyone tell me how to do that using a Python ...
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1answer
20 views

How to Delete Color Stops of Color Ramp using Python

I have Added a Color ramp in my node editor using a Script and I wan't that the Color Stops That Are Available by default Should be Deleted. before I add new stops I know how to add new stops but i ...
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1answer
41 views

How To Append a Node group from another Blend file Using Python Script

How To Append a Node group from another Blend file that is Present in my D drive on my windows computer. I wan't to Append a Material and path to my material is - - D:\2.8\Test01.blend\Material\...