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Serashi
07-05-2008, 12:28 AM
Hi Guys and Girls.

I am not very experienced in skinning, doing my third character now, and my first quadruped. I got to look at the Digital Tutors Quad Riggng DVD at Uni, and he paints in Add mode, but uses negative and positive values to fix the weights. Everywhere i have read before and was taught for my first skinning was never ever use negative values. only positive, and if you get to much on a joint, you select a joint close to it and add to it reducing the previous.

So i thought i'd ask and make sure i dont mess up anything, as i dont want to start over. Is it totally ok to use negative and positive weights now, and why did i read that negative values was a NO NO everywhere else? is this a change in maya 2008? i was thought skinning in 8.5.

Thanks
Searshi
TroyC
07-06-2008, 05:59 PM
Not one hundred percent sure on this as I haven't seen the digital tutors DVD. I think the idea of only adding weight to an influence is just a matter of artist control. Since Maya wants each vertex to have a total weight of one, when you subtract weight from an influence you are forcing the program to add weight to it from another influence. And the the influence it chooses may not be the one you want. So by only adding weight you have more control of where the weight is going. So it really is up to you. If you find that you can get good results by subtracting and it speeds up your workflow then go for it. :)
Serashi
07-06-2008, 11:54 PM
Thank you. That makes sense and seems to be what is happening. so far it seems to be going well with + and - values, but its not a hyper realistic char in the making, just semi realistic;)

Thanks Again.
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