well in that case the method i mentioned should work.
Control box -> expression -> slider 0-1 -> shapeclip
as the expression may take values from multiple controllers, but the
slider will limit those values between it's range and pass that value
to the shapeclip.
On 7/22/05, David McDonnell <dave(at)lastpixel.com.au> wrote:
> yeah already got the position limited, so thats no problem, its just more
> about clamping the values in each part of the expression as it goes along.
>
> David McDonnell
>
> Creative Director
> Last Pixel Pty Ltd
> www.lastpixel.com.au
>
> -----Original Message-----
> From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM]On Behalf
> Of Bradley Kachel
> Sent: Friday, 22 July 2005 10:38 AM
> To: XSI(at)Softimage.COM
> Subject: Re: expression / script question
>
>
> Ahh oks sorry thought you were referring to a sligtly more complex
> issue related to the osipa rig.
> In the case of limiting the movement of the controller, yeah use pos
> limits like David Shirk explained.
>
> I should really read emailed questions more carefully ;)
>
>
>
> On 7/22/05, David McDonnell <dave(at)lastpixel.com.au> wrote:
> > hmmm.... I think I see what you mean. I'll give something like this a try
> > and see if it fits the way my setup normally works.
> >
> > Tis a shame that I dont have scripted operators they sound exactly like
> the
> > way I prefer to work. Even in max i generally find expressions fairly
> > limiting and like to be able to have more control... Looks like I better
> > start saving for an upgrade :(. In the meantime thanks for the help, I
> think
> > I can come up with something that works, just probably wont be as clean
> and
> > elegant as I usually like.
> >
> > David McDonnell
> >
> > Creative Director
> > Last Pixel Pty Ltd
> > www.lastpixel.com.au
> >
> > -----Original Message-----
> > From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM]On Behalf Of
> > john clark
> > Sent: Friday, 22 July 2005 12:57 AM
> > To: XSI(at)Softimage.COM
> > Subject: Re: expression / script question
> >
> >
> > There is no equivalent to clamp in xsi. So you could either
> > 1/use "link with" or "link with multi": its very easy to do with link with
> > multi, but the only control you have over the interpolation between values
> > is the 'interpolator' slider which I don't like much. So if you do use
> link
> > with multi make sure you limit the translation of your sliders ( which
> will
> > clip the overshooting that might happen otherwise)
> > 2/ Use a whole bunch of conditional expressions on the weights.
> >
> > If you go the "link" route I think you get more control by using the link
> > with rather than link with multi. Here's what I do; create a slider a la
> > osipa, set up some custom parameters on the control. One will define the
> > range in x ,one will define the range in y. Use Link with to set these up
> to
> > whatever you want. Create four other custom parameters in the same Pset
> (lft
> > right up down) to combine the output of the first two to give whatever
> > result you need at various points in the slider. Then it's just a case of
> > linking the weights of each shape to one of the results.
> > Sounds much more complicated than it is, plus you only have to do it once.
> > Hope this helps
> >
> > cheers
> >
> > John
> >
> >
> >
> >
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