The closest surface shrinkwrap does what it says: it will shrinkwrap to the exact closest point of the target. So target surface that is in concavities / convexities can be closest to nothing of the source surface, which will cause popping. Just draw a few curves of skin & muscles on paper; you should figure out when this occurs.
The only way to completely avoid this is to have the initial position of the source closer to the target geometry, in order to have a 1 to 1 mapping with the "closest surface" relationship.
Notice that the "smoothed closest surface", which emulates a smoother (curved) target surface for polygon meshes, can help, but won't avoid the problem in general.
Good luck,
Jerome.
-----Original Message-----
From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of Andre DeAngelis
Posted At: Monday, October 03, 2005 10:26 AM
Posted To: xsi
Conversation: Syflex 3 tuts?
Subject: RE: Syflex 3 tuts?
Greg,
I took a look at the closest surface options on the weekend for Shrinkwrap and it seems to have some issues the would prevent it from bring entierly suitable for skin sliding. I noticed that as the geomertry slides, it tends to pop and it seeks out as the deformed vertices move between the targetted vertices.
Have you come up with a way to prevent this?
Andre
-----Original Message-----
From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of greg punchatz
Sent: Thursday, September 29, 2005 2:46 PM
To: XSI(at)Softimage.COM
Subject: Re: Syflex 3 tuts?
Take a look at the new closest surface options in shrink wrap, its VERY useful for this sort of stuff.
-
Greg Punchatz
Senior Creative Director
JANIMATION INC.
www.janimation.com <http://www.janimation.com/>
Wayne Williams wrote:
>Ah ok Andre. Thanks for the heads up :-/
>
>-----Original Message-----
>From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On
Behalf
>Of Andre DeAngelis
>Sent: Thursday, September 29, 2005 2:08 PM
>To: XSI(at)Softimage.COM
>Subject: RE: Syflex 3 tuts?
>
>
>If you want to use Syflex for skin or muscle systems, I would say you
>will be dissapointed.
>
>We have been using v3 of Syflex since it was released and from what we
>have seenm, it does not seem to be a solution for this.
>
>-----Original Message-----
>From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On
Behalf
>Of Wayne Williams
>Sent: Thursday, September 29, 2005 1:57 PM
>To: xsi(at)Softimage.COM
>Subject: Syflex 3 tuts?
>
>I have a personal project that I plan to use Syflex with. I noticed
that
>the syflex addon now has Create>Skin and Flesh. Are there any
>accompanying tutorials on how to use these features? I looked in the
>XSI5>Doc>Syflex directory but it's just the same tuts that came with
>previous versions of XSI. Also, what version of Syflex is this that
>ships with XSI|5?
>
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