Frank,
There isn't really a need for both.
Center is an older thing we carried over from Softimage|3D while pivots
are a more recent addition to XSI.
They are both doing something similar but in different ways. The
advantage of the pivot is that it exists as separate channels inside the
local transform. This means that when you use pivots no operators are
involved and it doesn't modify your SRT channels like Center does.
Therefore, when you use pivots you can do things like a reset transform
without having your object "jump" as the SRT channels are reset. Also,
some animators like to work off of an identity transform when keying
(i.e. no translation, no rotation, unit scaling) which again favours
using pivots.
So I think it is a safe bet that over time we will place more of an
emphasis on pivots vs. center in the UI.
--
Brent
-----Original Message-----
From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf
Of Frank Lenhard
Sent: 01 June 2006 21:31
To: XSI(at)Softimage.COM
Subject: Re[3]: center/pivot was - XSI Montreal "Tips & Tricks" session,
looking for presenters
forgive my limited knowledge Luc, but why there is a need for a pivot
AND a center?
dont take me wrong, i see the advantage of an animatable pivot. the
center cant be animated. but why not just have an animatable center?
and what would be the suggested way for a character setup? right placed
pivots or right placed centers? right now i am just using centers and it
seems to be fine. though i didnt animated much with the rig i build yet.
ciao
franky
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