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Questions tagged [vector-mapping]

The Mapping node transforms the input vector by applying translation, rotation, and scaling. The Vector Math node performs the selected math operation on the input vectors. Use this tag for questions about the Mapping or Vector Math nodes; or other forms of vector mapping.

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Where did the 'Use UV for Mapping' option go in Blender 2.8?

I'm following a tutorial using a 2.7 version of Blender, which shows how to use UV unwrapping on beveled curves to make a texture follow the shape of the curve (I'm making stylized hair and would love ...
Marten's user avatar
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3 votes
0 answers
474 views

Dilate/Erode image in Shader Editor?

In the compositor you can dilate/erode an image based on pixel brightness, like this : I'm wondering if there is a way to do the same in the Shader Editor (maybe with some clever vector math?). I'm ...
ChameleonScales's user avatar
3 votes
0 answers
155 views

Volumetric Project Image from Center

I've got a volume being generated from an image texture, I just need it to come from the center instead up straight up and down. Here's what I have so far. I tried using UV for the texture coords, but ...
Cody Mitchell's user avatar
3 votes
0 answers
275 views

How to access hidden value in Uvmap (UVWT)

I got a really specific question for an expert. I learned recently there is no such thing as Vector 2 in a graphic shader. Every Vector is in reality a Vector 4. Like vertex colors are not just Vector ...
01 Studio's user avatar
3 votes
0 answers
179 views

UV stretching on splines

I'm trying to apply a UV map on a spline and it looks like auto-UVs get stretched anywhere where distance between vertices is greater. Is there any way to get around that, I'm looking to create and ...
MMM's user avatar
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2 votes
0 answers
482 views

How to get accurate normals from bump height within a material?

I am making a procedural bump shader that needs to interact with other directional data in realtime within the material (as opposed to external lighting). Therefore I need to get the normals from this ...
Mentalist's user avatar
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2 votes
0 answers
100 views

How does image texture box mapping blend work?

When I use an image texture with box mapping it gives me a blend value. When I increase the blend value it blends the texture at the seams. How does this work? Does it do a rgbMix Mix operation based ...
tempdev nova's user avatar
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2 votes
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Mapping voronoi cell local space align perpendicular to a spherical surface?

With blenders voronoi texture each cell has a local space. My goal is to use these voronoi cells to scatter a volumetric shader, like the volumetric gizmos below, with each volumetric cell instance ...
Riley Smith's user avatar
2 votes
0 answers
450 views

Bake a texture with Mapping and Texture coordinates nodes

Is it possible to bake a modified texture (diffuse, normal map, etc etc.) with the nodes Texture coordinates and Mapping? I've tried to do it but the result doesn't change, the texture is the same as ...
YellowEyes's user avatar
2 votes
0 answers
327 views

Blender - Vector Field Animation

I am trying to create an animation of a vector field for my university Physics project. I ideally would like to create something like this https://www.youtube.com/watch?v=gcQuqxYU-UY so with moving ...
Ella's user avatar
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2 votes
0 answers
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How to avoid texture stretching while rotating on 90 degrees? Generated texture

I'm trying to simply just rotate the texture in the direction I desire (brick wall). The issue is when I rotate this generated texture it gets more and more stretched on some sides of the mesh. How ...
wooden_coder's user avatar
1 vote
0 answers
14 views

Apply Transformation from Mapping Node to UVs?

I'm using the mapping node in the shader editor to create different UVs for curves without needing to convert them to mesh/unwrap them first (I'm doing hair cards, all the cards are on one texture). ...
feralpoodles's user avatar
1 vote
0 answers
97 views

Access 3D world coordinate of specific 2D pixel coordinate in a mapped texture

I have a 2D image texture mapped to a 3D mesh. I have a known location in pixel coordinates in the image (eg. 50 pixels right and 27 pixels down from the top left corner). I want to programmatically ...
CDMM's user avatar
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1 vote
0 answers
86 views

How to map the Gradient Texture based on the loose parts of a single object?

Is it possible to map the Gradient Texture in a way that no matter the position of the mesh on the space? So $0$ will always be at one end of the mesh and $1$ at ...
Luiz Antonio's user avatar
1 vote
0 answers
83 views

Vector Rotate scattered curves along mesh?

how can I rotate scattered curves(converted to mesh and realized) like upward the mesh they're scattered on? But not just upwards, I'd like to know how to do it in all directions along the surface of ...
s0up's user avatar
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1 vote
0 answers
129 views

Project equirectangular image to a plane correctly

I have a large equirectangular colour image of the earth. I was wondering if there's an easy or fairly correct way to project it so that a section of it correctly renders on a flat plane? Colour image:...
tomh's user avatar
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1 vote
0 answers
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How to drive noise textures position with attributes?

I'm working on a fire simulation and I've been using a noise texture to remove parts of the fire. So far I've just animated the Z value of the mapping to move the noise up. But I saw someone use an ...
MrChurch2005's user avatar
1 vote
0 answers
512 views

Move UV texture in screen space?

I have a UV mapped texture. I want to be able to adjust its location with the mapping node (or other vector math.) in Screen space. If you put the UV vector through a mapping node and change the ...
Ascalon's user avatar
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1 vote
0 answers
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How do you texture a remeshed particle system?

I try to make some interactive soil! And I already set something up that kind of works, but I have some problems in texturing it! What I did by now is... I made a particle simulation via the molecular ...
Kerbacho's user avatar
1 vote
0 answers
686 views

Texture Coordinate + Mapping Node

Ok, i'm really having a hard time understanding these 2 nodes. I watched several videos (tried to find some reference in the docs) but many many grey areas are left. Sometimes, i get the feeling that ...
ubiq1er's user avatar
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1 vote
0 answers
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Saving UV map co-ordinates to a .blend file after stretching and re-positioning unwrapped UVs over an image texture

I've been creating a model in blender 1.79 but have just upgraded to version 2.83. When I open the .blend file in 2.83 and re-assign the material to my object the UV maps aren't in the same position ...
Zer0Eon's user avatar
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1 vote
0 answers
152 views

How to texturize a circle mesh with a horizontal/vertical texture?

I'm using this node scheme (screenshot below) to create a brushed steel in my object, but I need this brush show horizontally on my object. As my object has a circle mesh, the texure is shown circled ...
Gabriel Magalhães's user avatar
1 vote
0 answers
736 views

Project an environment texture to a ground plane that updates with the camera FOV

I'm trying to project my scenes environment texture to a ground plane so that when viewed from the camera it matches the environment, but also updates when the camera is moved or rotated. Like a ...
Gavh's user avatar
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1 vote
0 answers
136 views

How to fix stretching issue with Image Mapping?

I'm having trouble of trying to fix this as I'm still new to Image Mapping, does anyone know why stretching happen? I'd be very grateful for someone to help as I've been stuck for several hours on ...
Entrixus's user avatar
1 vote
0 answers
113 views

artefact in noise texture combined with vector-map

I have some problem with a noise texture in my shader for anodised aluminium. I use the noise texture to get nice structure for the aluminium. Everything fine so far, excepting the plane parallel to ...
ANT-Andreas's user avatar
0 votes
2 answers
22 views

how to blend colours

is it possible to slightly blend the white color with the blue colors? or should i try screen the map and make a map in photoshop and then add it in
skerka's user avatar
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0 votes
0 answers
53 views

Array of curves deformed by texture image

I want to generate geometry with curve to mesh, where the path along which the curve is extruded is displaced in one dimension according to the pixel value of an image. Let's assume the image texture ...
Norbert's user avatar
0 votes
0 answers
15 views

I want a color ramp to be applied to an object along the axis of a spotlight. How would I set this up?

More detail: I want the ramp aligned with the spot light so that the beginning of the ramp is where the light first hits the object and the end of the ramp is the farthest point from the light. I ...
Zdepthcharge's user avatar
0 votes
0 answers
9 views

Want to map a part of my video on a plane same place as in the shot

I'm trying to map the mirror that is in my video shot on this plane same place as in the shot to make an matrix effect but I can't make fit. A video screen of my problem : https://youtu.be/EqXlpnCOR_M
Pierre Anex's user avatar
0 votes
0 answers
22 views

Importing OBJ and exporting as FBX leads to reimported FBX having wrong texture mapping on faces, is there a solution for blender 3?

Issue is reproducible in Blender 3 while in Blender 4 it seems to be fixed, but I am working using older Blender so would be good to find a fix compatible with that. The issue is that importing OBJ ...
biGmazi's user avatar
0 votes
0 answers
29 views

Shader Nodes - Texture Coordinate Node - How to move the "center" of the "Window" output

I've used this output before in order to give objects flat/2D-looking "Chowder-like" materials, I've mostly been using it because it doesn't get distorted by the shape of the object, it ...
Just A Random Cat's user avatar
0 votes
0 answers
65 views

How to distort a color attribute

I’m looking to give a natural look to dirt paths by setting up bounding boxes that distorts the color with noise to simulate realistic erosion. In the first 2 images I have successfully set the ...
shezzar's user avatar
  • 21
0 votes
0 answers
38 views

Automated rotations

I am stuck on a problem in Blender. I am trying to create a function that automatically aligns an object based on its dimensions to the world axis. This mean for example the largest axis will be ...
Alessandro leone's user avatar
0 votes
0 answers
56 views

Scale Independent Object Mapping for procedural textures

can someone please advise me how to get even mapping if I want to create procedural textures using noise and musgrave. I don't want to use UV or Generated mapping. I don't even want to manually adjust ...
JSM_Parametr's user avatar
0 votes
0 answers
12 views

Shader map along normals inside cycles from center to the periphery of an object

Hello Blender Community, I have an object that consists of a simple sphere with geo nodes based tentacles applied to it. I want to create a mask with a color ramp that alters the color beginning from ...
Macks's user avatar
  • 51
0 votes
0 answers
32 views

Light Projection mapping on Cycles

I'm making a 3d projection mapping on a building but first wanted to visualize how would the projection look like on blender and decided to give it a try with spot light projecting my animation on to ...
getitundone's user avatar
0 votes
0 answers
70 views

How do I map a texture along a vector going from multiple objects to the camera? Is it even possible?

I'm trying to make a shader which has a procedural texture mapped along a vector between the camera view and the objects. Imagine the pink arrow as the vector in the picture below. I was able to make ...
Robert Smith's user avatar
0 votes
0 answers
368 views

Is there a way to distort UV coordinates along the path of a gradient?

Here is an image representing default UV coordinates of a square image plane. In the UV editor's XY space this is visually represented with colors: X axis = red Y axis = green What I would like to ...
Mentalist's user avatar
  • 19.3k
0 votes
0 answers
83 views

Is it possible to make HDRI following camera?

I made a landscape with an HDRI that I want to use on the final render. But the thing is as I navigate the scene via camera, the World stays the same, which makes everything completely fake. I know I ...
Audio_Video_Enthusiast's user avatar
0 votes
1 answer
234 views

Same name modelling and texture linking

I have folder A and folder B. There are many textures like "Image 1" in folder A, and many terrain models like "Image 2" in folder B. I want to connect the textures of the same ...
GTFRD's user avatar
  • 21
0 votes
0 answers
111 views

Shader using DotProduct is creating stranger shadows

I am attempting to create a stylized moss shader. My strategy is to use a dotproduct as shown below to drive an alpha mask. In this example the mask material is applied to a sphere which is slightly ...
David's user avatar
  • 1
0 votes
0 answers
41 views

How to make snap operator not use transplate?

Just appoint two vertices\edges\face, The snap operator autocomplete. I have achieved the vertices mode, Calculate the translation matrix from vertex1 to vertex2, Then translate the object1's location,...
ff114's user avatar
  • 21
0 votes
0 answers
189 views

How to set Euler rotation order in vector rotate node?

The vector rotate node has a Euler mode. My first problem is that it doesn't state what the Euler rotation order it uses. XYZ? ZYX? YZX?, which is it? My second ...
tempdev nova's user avatar
  • 1,543
0 votes
0 answers
77 views

Procedural cel shaded displacement material

I have a material which creates procedural sphere displacement to create a random blob. I want to cel shade the blob, however as far as I can tell this is only possible with EEVEE ...
LEG's user avatar
  • 1
0 votes
1 answer
2k views

Offset a repeating image texture position

I am modeling a kitchen. Is there a way to offset an image that is repeating on the floor in the x-axis so that it looks more tiled?
Fig Tickler's user avatar
0 votes
0 answers
200 views

Correct map procedural brick texture on cube

Could somebody help my place texture to all sides of the box? First I found topic on forum:How can I make my procedural brick texture map correctly to both a cube and cylinder? Then I made a nodeset: ...
ivan.rodionov's user avatar
0 votes
0 answers
155 views

UV mapping shading different on each part

I was wondering if there is an easy fix for making the texture appear the same on the whole object, despite having multiple cuts in the UV map. It is imported from OnShape as object, that's the reason ...
Michael's user avatar
0 votes
0 answers
482 views

I can't bake the texture: "Baking map saved to internal image, save it externally or pack it"

Hello I just started to testing "baking". I created "BaseColor" texture and I joined everything on one model, pressed Ctrl–A Apply > Scale & Rotation and Smart UV. After the ...
xwbas's user avatar
  • 1
0 votes
0 answers
23 views

UV Map faces do not match face in edit mode

My faces don't match the UV map faces selected, I've been trying to figure it out the whole day. The UV map is correct and is correctly correlating to the faces, but the texture placement is ...
tamms a's user avatar
0 votes
0 answers
768 views

Traceback (most recent call last): BlenderGIS

I'm using the BlenderGIS add on. When importing digital terrain models (or DEMS) which are ESRI ASCII Grid (.asc) files, I get this error message. I'm pretty new to blender but trying to create 3D ...
AMartinEJD's user avatar