The 3D modelling process of making a 2D image representation of a 3D model, although it is typically used to refer to mapping textures to 3D objects. It is especially used in games as it is an efficient and compact way of texturing objects.
2
votes
1answer
104 views
Texturing spherical terrain, seemingly arbitrary distortion
I'm using this algorithm to find texture coordinates on a sphere:
Wikipedia UV Coordinates
I get the famous seam due to the wrong interpolation, but I also get odd distortions on certain points on ...
1
vote
0answers
30 views
Organize different layers of repeating texture
I'm using Blender for creating assets for a 3D video game (FPS). Particularly i have to create a long wooden fence and i'd like to use one 700*700 texture for the entire fence so different part of ...
0
votes
1answer
45 views
UV mapping: Untextured faces?
Im currently trying to texture a (transparent) cylinder. I want the texture image to wrap sideways around the cylinder but not the top and bottom faces, they are supposed to just stay untextured (so ...
0
votes
1answer
61 views
Computing uv coordinates on a sphere approximated from an octahedron
Right now I'm texturing the octahedron with the formular from wikipedia(Finding UV on a sphere): UV Coordinates Wikipedia
That unfortunately leads to heavy distortion right at the beginning, which of ...
0
votes
2answers
198 views
Texture mapping issue in my Wavefront *.obj parser
I wrote a simple *.obj parser reading read vertices, texcoords and normals. But when I draw a model the texture isn't mapped correctly.
I have already tried uv.y = 1.0f - uv.y to get inverted Y axis ...
4
votes
1answer
177 views
Marching cube texturing
I'm working on a voxel game, and I have some problems with texturing. I have read the related questions on this stack exchange, but they seem adressing a generic problem (using triplanar texturing), ...
2
votes
0answers
79 views
Getting UV maps from UDK?
I have created a map using UDK and I am exporting it as a .fbx for use within an XNA project.
My question is, can I generate a UV map for texturing the map or is there an easier way to texture a map ...
-2
votes
1answer
121 views
Does this UV mapping method look ok? [closed]
i'm having a spot of trouble trying to get my voxels textures in the right place.
I am using a very simple mechanism that assumes all sides of any given block are always individually specified (i'll ...
4
votes
1answer
426 views
How can I prevent seams from showing up on objects using lower mipmap levels?
Disclaimer: kindly right click on the images and open them separately so that they're at full size, as there are fine details which don't show up otherwise. Thank you.
I made a simple Blender model, ...
1
vote
1answer
108 views
UV Mapping Problems
I'm creating an alien in blender, doing my best to base it on the guys from toy story. When I create the UV Map and colour it, import it back in then take a look at it in a seperate window there is ...
1
vote
1answer
122 views
Skeletal Animation with UV seams
I have a UV-mapped model that I am about to animate and load into my game. Like most unwrapped models, I have several UV seams. In order to render the model correctly, I split each vertex along the ...
1
vote
0answers
79 views
Blender 2.6: UV-Matching on Non-Image-Textures
Situation:
I want to model a piece of wood in Blender (2.63.0). In order to do this I use a set of Noise and Clouds textures on a brown material. But these textures are warped and shown in the wrong ...
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votes
5answers
335 views
Texturing an asteroid
I'm trying to texture this asteroid so it looks reasonable. I'm missing something though.
Following this tutorial, I got this so far.
Now I don't understand the next step: how do you resolve the ...
1
vote
0answers
48 views
A tool to select points on texture, and obtain 0.0f .. 1.0f UV coordinates
If there is a need to create about 40 sets of UV coordinates for 40 different images. The sets can have 4 to ~16 UV points. Is there some way to make this easier?
A tool similar to Inkscape would be ...
5
votes
2answers
436 views
UV texture mapping with perspective correct interpolation
I am working on a software rasterizer for educational purposes and I am having issues with the texturing.
The problem is, only one face of the cube gets correctly textured. The rest are stretched ...
2
votes
2answers
157 views
How would you UV unwrap an octahedron?
I tried to UV unwrap this octahedron, by slicing one of the sides.
I was able to lay it out on the texture like this, but with severe distortions.
Can someone help me UV map this without ...
1
vote
1answer
243 views
How would I get this to UV map correctly?
Alright so I have my code to draw out a big landscape using C++ and DirectX. I had it textured with one texture and then needed to add more. I saw people doing it where they had 1 texture image and ...
2
votes
0answers
143 views
Blender move single UV point
Texturing in Blender and when I am moving UVs around in the UV/Image Editor I'm finding that I can't move a single UV point without moving all other UVs that are connected to the vertex.
This seems ...
4
votes
1answer
167 views
What uses are there for multiple UV maps on a model?
I'm trying to think of some reasons why there might be more than one UV map on a mesh. Usually I just unwrap the model, and the same UV map works for both the diffuse color texture, the bump map ...
1
vote
1answer
170 views
UVW Unwrap multiple quads on same texture space automatically
I've been looking around the web for the answer to this question, but to no avail. So here I go.
I'm looking for a way to automatically map several quads on the same texture space (for example (0,0) ...
0
votes
1answer
186 views
Why does multiplying texture coordinates scale the texture?
I'm having trouble visualizing this geometrically - why is it that multiplying the U,V coordinates of a texture coordinate has the effect of scaling that texture by that factor?
eg if you scaled the ...
1
vote
1answer
1k views
Exporting UV coords from Blender
So I have searched on google and various other websites but I've not found an answer. The only ones I did find did not work.
So my question is how do I get UV coords from blender (2.63)?
Currently ...
5
votes
1answer
245 views
Automated texture mapping
I have a set of seamless tiling textures. I want to be able to take an arbitrary model and create a UV map with these properties:
No stretching (all textures tile appropriately so there is no ...
4
votes
1answer
2k views
How to correctly export UV coordinates from Blender
Alright, so I'm just now getting around to texturing some assets. After much trial and error I feel I'm pretty good at UV unwrapping now and my work looks good in Blender.
However, either I'm using ...
1
vote
1answer
123 views
Map displacement transformation to texture space?
I am trying to displace geometry in object space without giving the appearance of texture warping.
My idea is to displace the UV lookup by a relative amount to the geometry displacement.
Any ...
1
vote
2answers
626 views
Optimizing UV Map Sheet Based On Surface Area?
I am trying to get my UV Map Sheets Optimized Based On Surface Area , I need Them optimized cause my scene area is huge and i want to use them in UDK so i am trying to get maximum possible ...
2
votes
1answer
298 views
Trouble with UV Mapping Blender => Unity 3
For some reason I am getting nasty grey edges around the edges of rendered 3D models that are not present in Blender.
I seem to be able to solve the problem by reducing the size of the UV coordinates ...
2
votes
1answer
900 views
Multi texturing in XNA
I am attempting to make a map editor for my game, just so I can visualize how the end result would be.
To my world I can add cubes (2 triangles) or corners (1 triangle), which are then added to a ...
2
votes
1answer
504 views
XNA UV Mapping flipping the Texture every second time
I am making a tile based game. Recently I moved to drawing tiles as primitives to speed up things and also allow for easier lighting (Vertex Shader).
I then took it a step further and made some ...
2
votes
1answer
518 views
Drawing a textured triangle with CPU instead of GPU
I understand the benefits of GPU rendering and such, but for a certain limited application I need to render textured triangles purely using CPU.
I've built a 3D engine capable of object handling, ...
2
votes
0answers
318 views
Programmatically determine UVs by rotating a plane along X axis
I'm having a math brainfart while trying to solve what might be a simple problem. I've got a plane in 3d space (it's actually the face of a 10-sided die):
Coordinates [x,y,z]:
Point_top = [0,0,1]
...
10
votes
1answer
2k views
How does UVW texture mapping work?
I'm trying to understand the mathematical theory behind UVW mapping. Can anyone explain me how UVW mapping works? Or at least provide me a pointer?
2
votes
0answers
780 views
Interactively edit UV mapped, textured mesh in Cinema 4D without distorting texture?
I'm fairly new to Cinema and I'm building a rigged flat (2d) character out of illustrated pieces. I want the meshes to have an efficient number of polys but sufficient resolution where they'll bend ...
2
votes
3answers
861 views
Mapping rectangular texture on trapezoid-like shape
I have a problem with rendering rectangular textures on non-rectangular surfaces. While googling, I found a thread with person having a pretty similar problem: ...
1
vote
1answer
224 views
What to do to UV coordinates, when swapping Z/Y coordinates (axis) of the geometry?
In my Maxscript exporter I have the ability to flip the Z/Y axis by simply swapping the Z and Y co-ordinates.
When swapping the axis this way, what is the correct thing to do to the UV coordinates? ...
0
votes
1answer
720 views
Texture mapping on gluDisk
I'm trying to map a brick texture on the edge of a fountain and I'm using gluDisk for that. How can I make the right coordinates for the disk? My code looks like this and I have only found a function ...
6
votes
1answer
247 views
Is there any difference between storing textures and baked lighting for environment meshes?
I assume that when texturing environments, one or several textures will be used, and the UVs of the environment geometry will likely overlap on these textures, so that e.g. a tiling brick texture can ...
14
votes
2answers
3k views
What exactly is UV and UVW Mapping?
Trying to understand some basic 3D concepts, at the moment I'm trying to figure out how textures actually work. I know that UV and UVW mapping are techniques that map 2D Textures to 3D Objects - ...
