Re: why is the scale manip offering "local" mode only?

["Tim Leydecker" <BauerOink(at)gmx.de>]

Hi Brent,

thanks alot for explaining things a bit. I´t´s likely I wouldn´t
have come across [Ctrl]+[k] anytime soon myself.

Regarding the scaling issues:

I have polygon objects I sucessively edit components on,
up to a point where scaling the object in any other mode
but "local" is becoming unavailable (greyed out in the interface).

To get rid of this I have to freeze modelling, freeze transformations
and usually also have to set a neutral pose, it´s only then I can
again use the other scaling modes like "ref" or "global".

You can imagine this isn´t ideal, especially if there is a hesistation
to freeze modeling but you have to because the local scaling isn´t
aligned to the world axis (sp?).

I wonder if this is a bug or a feature I don´t grasp yet, while failing
to set a preference accordingly.

Cheers

tim


P.S: Over all, I´m feeling very pleased when modeling in XSI 5.11 and
get results that exceed what I could have bothered myself to do in Maya.
Not because I´m generally lazy but there´s only a fixed amount of effort allowed...




----- Original Message ----- 
From: "Brent McPherson" <brentmc(at)Softimage.COM>
To: <XSI(at)Softimage.COM>
Sent: Monday, June 11, 2007 12:02 PM
Subject: RE: why is the scale manip offering "local" mode only?


> Tim,
>
> I didn't really understand your issues with scaling and neutral poses
> so I would need to a more detailed description of the problem.
>
> In the meantime I'll take a whack at some of your other issues...
>
> Pivots in XSI can be used for modeling (doesn't modify the object's pivot)
> or for animating.
>
> To have the transform tool pivot change the object's pivot just turn on
> Transform -> Modify Object Pivot and the behaviour with freeze transforms
> will be very similar to Maya. Otherwise, the pivot is just a tool setting.
>
> You also do not need to use hierarchies of nulls for achieving a different
> rotation order. Just hit Ctrl-K to bring up the transform PPG on a selected
> object and there is a rotation order setting right there on the first tab.
>
> BTW. The pivot settings can also be accessed from within this PPG.
>
> Cheers!
> --
> Brent
>
> -----Original Message-----
> From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of Tim 
> Leydecker
> Sent: Sunday, June 10, 2007 12:50 PM
> To: XSI(at)Softimage.COM
> Subject: why is the scale manip offering "local" mode only?
>
> Hi there,
>
> just having transfered to XSI for modeling a while ago
> I still lack the understanding for some transformation
> options specific to XSI 5.11:
>
> For what reason does a polygon object sometimes
> refuse to be scaled in any other mode but "local"?
>
> I can of course freeze construction history and transforms,
> click "Set neutral pose" and then am allowed to use
> "world" or "reference" mode but again, why is that?
>
> That´s just as puzzling as the way the object/transform pivots
> work. In Maya, I can set the pivot to a specific location,
> freeze transforms and start keying SRT´s with zeroed out
> transforms while still having the pivot offset.
>
> Obviously, XSI is far more flexible, especially with "COG",
> "add" and "ChildCompensation" options available on the fly
> but this also means my hierarchies are stuffed with nulls everywhere.
>
> While on the other hand, splitting XYZ rotations up into a chain
> of three nulls (under the hood, one for each axis) to avoid flipping
> while rotating isn´t implemented as a "mode" althought it would
> likely be a nice feature/functionality - especially if not required
> to be manually created for each object.
>
> Cheers
>
> tim
>
>
>
>
>
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