Max 9 skin bug

Rick Stirling

This has happened to a few of us when skinning in Max 9. Some verts don't get affected by painting or by manually setting their weight via the spinner, and when youlook at them in the weight table their weight is set to -1.#IO on some arbitrary bone.

I first ran into this when skinning my Dom War guy (VERY frustrating when I was already pissed it with it).

Since then it#'s ahppened on random occasions, and today it happened on a characters face when I was blending the face and jaw bone.

I've tried searching on -1.#IO but had no luck.

Anyone else had this? Fixed it?

poopinmymouth

Have you tried clicking the "include" button? If a vert has been specifically excluded, no painting or trying to add weights will work.

Rick Stirling

Nope, that's not the issue. The vert is skinned, but max isassigning a value to the vert, but the value is set to -1.#IO.

It's also letting us go over 1.0 for the total vert weight - I have a vert weighted 0.669, 0.402 and -1.#IO

poopinmymouth

If it's letting you go over, is the vert ticked as "normalized"? That's the only time you should be able to go over a total of 1.

Rick Stirling

Yup, it is normalised. It only happens on certain verts though. It's like some evil badness has crept into random verts.

Rick Stirling

Oh, and going into the weight table, selecting the imaginary number then Shift-right clicking to clear it works. All the badness goes away for that vert.

Hmmm...maybe I can script a scan, set the -1.#IO to 0, then clear Zero Weights.

Eric Chadwick

Didja report it? I reported a problem with the UV pack tool, they fixed it by the next SP (months after my report, but better than not at all). Takes a couple minutes to fill out the form but it's worth it IMO.

http://usa.autodesk.com/adsk/servlet/item?siteID=123112&id=5600504&linkID=9241177

Rick Stirling

We have a contact with them, I was kinda hoping for a quick fix if one existed.

Eric Chadwick

Work the contact, but it sounds like it'll be a custom scripted workaround to me.

FatAssasin

You should definitely report it, even if you create a scripted work around. I've never seen this myself, but chances are other people have and it would be better to have Autodesk fix the problem than have everyone come up with their own custom solutions, especially considering most Max users don't know MaxScript or have access to someone who does.

Rick Stirling

Oh, reported it is, but just becuase it gets reported, doesn't mean it will get fixed.

So no-one else yet? This is Max 9 SP1, and has also occured in vanilla max 9.

D4V1DC

There's an SP 2 out now would that help you out?
If you haven't checked that is.

Rick Stirling

We've not been signed off to use it yet - and we're unlikely to until the end of the project.

Noren

I recall having encountered that with Max 7 or 6.
Might have been in conjunction with Skin or Die.