Advice about skinning

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Advice about skinning // New Users

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Post by PrimMac // Mar 21, 2006, 2:15am

PrimMac
Total Posts: 78
Hello everyone,


I have a quick question. I am trying to draw a head, using 2D NURBS curves skinned together in the Skin Tool. You draw various curves forming the head's layout and skin them together to create the head per se. Naturally, I am only using a few curves ,3 to be exact: one for the head's front, one for the head's back and one for the head's side. The idea is that then, once the curves are skinned, the skinned object is mirrored to form the other side of the head.


I am confronting a problem with the skinning, though. When I skin the curves, the first two skin correctly, but when I add the third, it seems to be "skinned backwards", like the top of the first curve is actually connected to the bottom of the second curve and the bottom of the first curve is connected to the top of the second. Basically this means that instead of a smoothly connected curve, what I have is a polygonal mess!


I thought it might have to do with the curves not having the same number of vertices, but even after making sure that they all had the same number, I still had the problem.


I know this is something that I am doing wrong, and is not a problem in the application. Does anyone have any advice on how to approach this situation? Thanks.

Post by Alien // Mar 21, 2006, 6:13am

Alien
Total Posts: 1231
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When you create the curves, they all have to be in the same direction - eg 1st point at the top, last at the bottom. Also, save a copy of the scene before you skin the curves, as you may well find yourself wanting more than 3 for half a head.

Post by PrimMac // Mar 21, 2006, 10:22am

PrimMac
Total Posts: 78
Thanks for your answer. I don't remember if I started my curves top-down or down-top, so that might be the problem.


About the number of vertices, does it make any difference if one curve has more?

Post by Alien // Mar 21, 2006, 11:21am

Alien
Total Posts: 1231
pic
About the number of vertices, does it make any difference if one curve has more?

I seem to remember something in the manual about the curves needing the same number of points/vertices.

Post by stan // Mar 21, 2006, 11:36am

stan
Total Posts: 1240
pic
seem to remember the easiest way is create the first curve in order..copy move it,tweak it.. copy again..then all curves are same orientation and same amount of points..
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