 | | | Scripted op refresh | Scripted op refresh 2004-05-06 - By Felix Gebhardt
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Other than that you have to connect the curve's primitive to the SCOP.
GetCurveLength is not an Object Model function but a command. This is
generally not allowed in SCOPs. Don't get confused by it working sometimes.
I strongly suppose it does no good to the scene graph and is likely to crash
XSI or at least acting weired.
Use this instead.
Out.value = inPrim.valueGeometry.Length./ 10
Good luck,
F.
kim aldis wrote:
> this is typical behaviour when you have a dependancy cycle. Normaly you
> shouldn't need anything to force an update, although sometimes you do.
> I've always found it enough to just add a single keyframe on a parameter.
> This is the normal way of doing this.
>
>
> __ __
>
> From: owner-xsi@(protected) [mailto:owner-xsi@(protected)] On Behalf
> Of Dan Hope
> Sent: 06 May 2004 13:02
> To: XSI@(protected)
> Subject: Scripted op refresh
>
>
> I've got a really annoying problem that I can't sort out....
>
> I've set up a scripted op on the "scaling along curve" parameter of a
> cylinder deformed along a curve...it goes something like this:
>
> getcurvelength "crvlist", MyLength
> Out.Value = MyLength/10
>
> I then have a variable with an expression "Fc" set to force an update of
> the script at every frame.
>
> My problem is that it appears to evaluate the expression when exiting the
> frame, meaning that the length of the cylinder is always one frame behind
> the curve. How do I get them to be in sync?
>
> Bearing in mind this is my first scripted op, please, be gentle....none of
> this "personally I'd script it better" please....you know who you are ;o)
>
> Ta
>
> Dan
>
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