Apply face texture to 3d model

Hi

Im looking to take a 3d model character and change the face on it. Is this possible. I have looked at the textures and can see that the face is made up of a stretched texture that then gets wrapped around head when applied.

Is there any software that can do this or does anyone know of any tutorials.
Thanks

 

Can you be more specific? Are you looking for uv mapping/unwrapping?

 

Yes, I think this what I'm after.

 

Ok, so by face you mean the character's face on the texture, not the mesh's face, right? You already have the character's uv map, then. What software are you using besides Unity? You'll have to edit the texture on some software, like photoshop or so.

 

Yes. Change the texture. (Make a backup copy first.) Any paint program like Photoshop can do this. Traditionally, this is the way it is done.

Painting on the actual model is something I've heard more talk about in recent years. I think Blender has some options for that although I would still be more inclined to paint directly on the texture itself. But even if you had some software for that, it would require you to have all the files for the model in a format that program can read them in. For example, if Blender could do that, you would probably need the original Blender files because these programs are notorious for not being able to import model files properly.

But changing the face of the model should be as simple as modifying all of the files "maps". The texture file is the color map presumably. If there are any other map files, like specular, parallax, AO, etc., those may need to be modified as well. The more complex the models get with complex shaders and maps the more difficult it becomes to make these types of modifications. You might for example have to completely recreate the parallax map yourself to match your new color map (texture).

Also, in some file formats the textures can be baked into the file. But if you've got the texture file, then more than likely any modifications made to it will be seen when the model loads.

Getting used to painting in 3D on a 2D surface is certainly a learned skill. It helps if you can generate a guide. I'm not sure what you would call it. When the modeling program creates the UV map with UV unwrap it gives you the flattened lines of the mesh. That's what I'm talking about. I generally export that into a paint program like Photoshop and make that my bottom layer as I paint over it. That tends to get thrown away once the texture and other map files are produced. The texture then gets reimported as the UV map.

 

You can paint on the actual model on the latest Photoshop too, just with a texture file and the 3d mesh. I've done that myself a couple of times, but as BBeck said, I'd rather to paint directly on the texture. Well, that's up to you.

 

Thanks guys for you suggestions. I thought there might have been an easier way, but i guess its trial an error.
I will have a play in photoshop.

 

It actually isn't trial & error - its an exact artistic process and is pretty easy. It just depends on how you'd like to proceed. Look up re-skin or texturing a face or UV painting and you will find a number of informative processes. Choose the one you like the best and apply.