Questions tagged [uv]

UV mapping is the process of taking a three-dimensional mesh (X, Y and Z coordinates) and unwrapping it to a flat two-dimensional image (U and V coordinates), in order to texture the 3D model with 2D images.

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4
votes
1answer
997 views

Blender won't display texture, even in UV editor, Using a PNG (screen shot included)

I have this scene where I modeled a tank for Unity, it is two objects, a top and a body. I unwrapped them in blender, made textures in zbrush, Now I want to make sure the seams look alright in blender ...
5
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1answer
1k views

UV mapping not filling faces

I have tried to map this simple object, but the uv mapping does not correspond to what i see in the textured object. It cuts the image a bit on top and a bit on the bottom of the faces. It does not ...
5
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1answer
500 views

Sticky Selection Mode has no effect on random proportional editing in UV Editor

After UV mapping the default cube, I have I keep the Sticky Selection Mode setting in the UV Editor header on Shared Location ...
3
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1answer
2k views

How to export to .obj with separate map-channels?

I'd like to export a .blend file with a UV-mapped texture, a displacement map and a normals map in 3 separate channels to an .obj file. Tried it with 3 UV Maps in 'Object data' but only 1 map will be ...
3
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2answers
1k views

How can I add UV coords to a mesh from script?

I am adapting an old script to Blender 2.6, the script reads mesh data from a custom file type and then creates a mesh array with that data. I managed to make almost all of it, but U can't set the UV ...
6
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5answers
4k views

Make a seamless, continuing texture on two separate models

I've made a simple test texture: ... and a simple test model. Combined, they look like: (in Unity) The image above shows two of my test objects. The left-most one is fine to me, but the right isn't. ...
1
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0answers
221 views

What is the best way to get image from vertex group?

I have a UV unwrapped plane and some faces assigned in Vertex Group. What is the best way to get an image from this data? Maybe a bLack and white image, it would best if it could be scripted in the <...
8
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1answer
8k views

Simple UV Mesh Unwrapping Scale issue

I'm having problems using the UV mapping in blender 2.67. Specifically, I am trying to unwrap a really simple mesh, but the UV map is still giving me a net where some of the boxes are completely out ...
2
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1answer
261 views

Exporting UV coordinates by face elements

I'm trying to write my own export script, and I'm not sure how to reference the uv coordinates as an element array, similar to how .obj format works (ie. you have a list of all uv coordinates "vt s t" ...
8
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1answer
2k views

Adding Labels, Angles, Domains on Objects for Making Math Models

I am very new to Blender. I have been looking for a program to create a model for visualizing different math concepts. Blender looks promising as it provides the possibility for not only this, but ...
7
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1answer
120 views

Is there a way to have default mesh objects come with premarked UV unwrapping seams?

I was thinking it might be useful to have default mesh object such as cubes, cylinders or other objects like the platonic solids etc from addons to default to come with premarked UV unwrapping seams ...
36
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1answer
62k views

Why doesn't my unwrapped model appear in the UV Editor?

I'm trying to unwrap a cube (I know, super complicated). I've got the seams marked, the UV editor open in a 2nd window, and all the geo highlighted. When I tell the cube to unwrap nothing happens. ...
0
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1answer
178 views

UV Mapping behaves very weirdly

I was trying to texture a car, but then I realized that some faces dont have their UV map applied. I cant really explain what's happening. It looks like that there are two kinds of groups; when I ...
3
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1answer
2k views

How can I convert a UV map into a mesh?

Blender 2.7 is going to support sewing. It makes sense to be able to unwrap an object (clothes) in to a 2d pattern, orientate the 2d panels around the body and then 'sew' it back together to simulate ...
2
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0answers
1k views

Using the 'Project from view' option for unwrapping? [closed]

I have ready eyes (a mirrored pair of eyeballs) with an annular section coloured by a material. I want the annulus to serve as the iris. So I got a jpg image of the iris from an eye photo and want ...
18
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2answers
25k views

Why did the texture I painted in texture paint mode disappear?

I was following a tutorial on how to use the Texture Paint feature on blender so I could paint on a terrain I am modeling. I was successful to paint the whole terrain with beautiful, exuberant ...
2
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1answer
758 views

Using Alpha Textures doesn't work properly [duplicate]

I'm trying to mix to shaders with the use of an alpha texture. I UV unwrapped the cube and adjusted the mapping but it still doesn't work. On the top of the cube there should be a P with the Glossy ...
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0answers
142 views

How to render low resolution textures [duplicate]

I have a low resolution image. It is 16 by 16 pixels. I want to use this texture in cycles. When I apply this texture to a mesh it becomes blurry. This is because blender uses linear pixel blending, I ...
4
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1answer
2k views

Python - move UV for selected items

I want to use python to move the UVs of the selected objects. I am having trouble with moving the UVs. When I run my script I moves the objects instead, not the UVs. All object have exactly 1 UV map. ...
1
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2answers
2k views

Clearest quality format for UV images

I just need to know what format to export my images in before loading them into my blender file, so when I export the video my images don't come out blurred or fuzzy Whats the best quality format, ...
4
votes
1answer
2k views

Blender 2.69 Properly Export UV Maps Using Python

I'm currently working on my custom format exporter form blender and have hit some kind of a speed bump... Through tons of experimentation I have finally found that UV data is stored in: ...
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2answers
975 views

Smart UV project unmapping outside of UV space

I am unwrapping a mesh using the Smart UV Project unwrapper. When I unwrap my mesh some of the UVs are outside of the UV grid. This is undesirable for the following reasons: tileable textures will ...
3
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1answer
1k views

Select multiple overlapping islands in UV Editor?

I want to select multiple overlapping islands all at once in UV Editing mode. 3dsmax can do this by clicking and dragging a window around my element, but I couldn't find a comparable function in ...
3
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2answers
5k views

How can I triangulate a mesh without changing the object?

I have to triangulate the object's mesh because the format I export to only understands triangles. Now I not only want to export geometry but also the uv-mappings for the mesh. Let's call the ...
2
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0answers
291 views

Collada exporter generates too many UVs

I have a model with only 98 vertices. When I export it to Collada with Blender 2.64, it generates a Cube_001-mesh-map-0-array with 768 entries, that is, 384 UVs. I've checked the UV map, but it doesn'...
2
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3answers
2k views

Unwrapping the inside of a barrel

I'm trying to UV unwrap the inside of a barrel I made. The problem is, when I select the inside of my barrel, and use the Mesh > UV Unwrap... > Cylinder Projection, I get a weird unwrapped form. How ...
20
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2answers
128k views

How to properly unwrap my mesh?

Is there a way to automatically unwrap my character? If not, is there a tutorial or something?
3
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2answers
956 views

UV unwrapping of complex possibly concave polygons

Suppose I have a flat surface that looks like a T-junction. There are at least three ways to do it: Single concave polygon Several convex polygons Several convex quads (note that the right polygon ...
2
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0answers
1k views

New Import script: creating UV coordinates

I'm writing a new import script from DSON (DAZ Studio json-based format) to Blender. I've got the vertexes and faces in, but I'm having difficulty generating ...
2
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1answer
2k views

Seamless UV Texture?

I'm creating a model of a road to use in Unity. The edges need to be able to tile so I can link multiple parts together. I made a UV map and edited it in Gimp. I used the seamless filter in gimp to ...
30
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2answers
109k views

Render not showing UV texture

I have added a texture to a cube in the UV editor and it shows up fine in textured view But when I render it there is no texture What have I done wrong?
3
votes
1answer
470 views

Add a modifiers uv project with python

Can someone tell me why this code doesn't work? I would like to use my object "Camera" as a projector in my modifier "UVProject" ...
4
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1answer
835 views

Issues with Shadow Mapping?

I'm trying to get a Shadow map for some armor pieces I made and I've been watching this tutorial on how to do it. But some of the options that I need to use to get a good shadow map aren't showing up ...
1
vote
1answer
5k views

Textures not showing up on objects unless selected in UV editor [closed]

When I assign a texture to an object's material and use UV unwrap it doesn't seem like Blender assigns the texture to the faces as they're not visible in the 3D view. If I use the UV Editor to select ...
2
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0answers
247 views

Packing all UV Islands when Draw Other Objects is activated?

I wanted to pack all UV islands from separated meshes at the same time while the Draw other Objects function is activated. I already know the function to join the meshes with CtrlJ, but I get size ...
2
votes
1answer
1k views

Blender baking problem

I'm following this article about texturing a model. I'm already in step 30 but when I baked my model, I get these holes between the neck and chest. What causes this? Edit: Even when not baking and ...
5
votes
2answers
6k views

High Poly Mesh UV Mapping

I am still in the learning stages of Mesh modeling, but I've just sculpted two well looking Mesh Sci-fi helmets and I wish to have them textured by a Friend. I tried to UV map both of them but they ...
8
votes
2answers
3k views

Exporting tiled texture?

I have plane in blender. On that plane I have single texture (512x512) that repeats itself and makes my "floor". What I would like to do is export somehow new image for further editing. That image ...
1
vote
0answers
813 views

Blender 2.69 Baking issue

I have spent a few days with this issue trying to solve an issue for a work project that needs to be ready in less than a week. I normally dont have a need to bake textures onto models however it is ...
4
votes
2answers
2k views

Unwrap Separate Meshes

I have so many books models to texture. Texturing them one by one will be a pain. Can Blender unwrap two (or more) separate meshes and make them share the same UV grid?
0
votes
1answer
855 views

Character texture is messed up

As you can see above, that is my character, I modeled him, textured him, rigged him, used GLSL texturing, in the game engine, pressed "P," and he looked like this. I don't know what this is, is it ...
3
votes
1answer
3k views

UVs button is missing

I want to export the UV layout of a mesh but I can't seem to find the UVs menu in the image window to save the UV face layout (according to the blender wiki). I could of course use the plain command ...
6
votes
2answers
4k views

How to disable the automatic UV stretching after an image size is changed?

I wanted to ask, if there is a way to disable the automatic UV stretching after an image size got changed?
2
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3answers
448 views

How to merge two hand perspectives?

Using 123D catch (creates 3d models from picures) I created two mesh obj of an hand in dorsal perspective (palm down), and another in the palmar perspective (palm up). I'm trying to come up with ...
4
votes
1answer
1k views

Create a new UV map but move the textures with the polygons?

I've imported an object from an 3d data capture program in Blender, which came with an automatically generated UV Map. I'd like to create a new (more sensible) UV map based on the cleaned-up geometry, ...
3
votes
0answers
553 views

Importing UV coordinates

I'm currently writing an import script/addon. The file format is one vertex per line: x, y, z, u, v With 3 lines for each triangle (no quads). So far I've got ...
8
votes
1answer
1k views

How to find the pixels of a texture for a certain face

I'm making a script that determines the color of a face, based on the texture. I have an object that is UV unwrapped and has a texture assigned. What I would like to do is find the pixels that are in ...
6
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1answer
2k views

Where can I change the settings for UV unwrap?

Angle based and Conformal for Blender 2.69? Are these still there?
4
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3answers
5k views

Find the name of textures linked to an object in python?

How can I find out the name of a texture linked to an object? Is there an image operator to find this out? I searched in forums but wasn't able to find a working script, I tried this script: <...
1
vote
2answers
4k views

Is there a way to unwrap a mesh without scaling the UVs to match the aspect ratio of the texture?

Is there a way to use Project from view without the resulting UVs scaled to match the aspect ratio of the image? For example, if I unwrap with Project from view the result looks like this: I want ...