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renderedhero

UV Mapping Help

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Hello everyone!

 

I am working on texturing a baseball from some macro shots. A preview of the overall animation is here.

 

Below are some images that illustrate the issue I'm having. I am hoping to be able to texture the baseball as a whole to maximize flexibility (as opposed to texturing each shot individually.)

 

So far my attempts to unwrap the UVs have been wildly unsuccessful. I'm now beginning to question modeling this from a spline with Extrude NURBS. It seemed like a much more logical approach as opposed to box modeling and trying to cut out all 182 holes by hand or with a Boole. For the life of me I can't find any tutorials on how to unwrap the UVs on an object that started as an ExtrudeNURBS. Every solution I have come across that uses a text object or some sort of Extrude, the solution is always "change the mapping to Cubic." As you can see in the attached images Cubic does not work.

 

Any help is greatly appreciated :)

 

Thanks everybody!

 

(edit: sorry for the links instead of images, for some reason it won't let me post these images)

 

The original Spline

https://www.dropbox.com/s/o8va4d7myiidtrv/00%20-%20spline.jpg

 

Cubic Mapping

https://www.dropbox.com/s/fec6ub391irlpf6/01%20-%20cubic.jpg

 

Spherical Mapping

https://www.dropbox.com/s/msswkzwo1ffn2s4/02%20-%20spherical.jpg

 

UVW Mapping

https://www.dropbox.com/s/jvo0w3te169oaox/03%20-%20uvw.jpg

Edited by renderedhero

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Have you tired to do a "Flat" map of the UV? That way everything at the edges will just continue on over it. If you're using "effectors" and such, which from the animation, I'd say you are. You'll need to give the Stick Texture tag so the texture stays in place once it's deforming. Hope that helps...?

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There are more options to consider than just choosing the mapping type. When you get into cubic and flat you need to know which direction the texture is facing and its size in relation to the object.

 

If you wanted to use the cubic option, all you would need to do is offset in whichever direction that edge runs in and line up to the checkers. If you want to go with flat (which I would if you don't really see much of that inside edge once its folded) then you just need to align it correctly using the texture axis tool or coordinates in the attribute manager, then as Davor said just stick texture.

 

Also, ff stick texture causes problems (for example Vray ignores that tag) then you can right click on the texture tag and 'generate UV corrdinates' from its current projection, it does a nice job.

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by setting it to flat projection and doing "generate UVW coordinates" ended up giving me what stick texture should normally do. now i just have to figure out how to properly map the perimeter holes and i'll be set.

 

thanks again!

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It's very strange, I couldn't get it to work either but then I though maybe if I "make editable" to the Extrude... it oddly made a couple of nulls and then another Extrude in it to the same spline. So I dug it out of the nulls and did the stick texture and it worked. Not sure what happened there, but glad you got it working.

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