Michele - this is some great info. I hear XSIBlog on calling you ;-)
On Dec 12, 2007 10:48 AM, Michele <michele.xsi(at)gmail.com> wrote:
> Yea, it's funny, you are responsible for updating clusters, but there are no
> methods to do that.
> I guess there are no workarounds to update partial clusters.
> I wonder if this will be doable in Xsi 7, via moondust or something else.
>
> Michele
>
>
>
>
>
> 2007/12/12, Abdo Haji-Ali <abdo.haji.ali(at)gmail.com>:
>
> > On Dec 12, 2007 12:10 PM, Michele <michele.xsi(at)gmail.com> wrote:
> > >
> > > Hi Abdo, there's no way to update clusters via an operator, Xsi has to
> do
> > > that for you.
> > Mmm... This is clearly a contradiction to the documentation of
> > PolygonMesh::Set() I mentioned earlier:
> > "If this function is used on a polygon mesh with some clusters and a
> > topology change is performed, *the caller is responsible for updating
> > the clusters*"
> >
> > > There's a type of cluster called "complete" cluster, that will always
> > > contain all the subcomponents of the object.
> > Problem is my clusters are not complete. Each one contains a subset of
> > the polygons (components) of the original polymesh.
> >
> > > Unfortunately, simply using PolygonMesh::Set() is not enough, you will
> have
> > > to enforce cluster updates with the siClassifTopo flag.
> > > Then there's another problem: only new parameters can receive the
> > > siClassifTopo flag, so what if your operator is driven by
> multiple-control
> > > objects?
> > >
> > > You create a new parameter with a dummy operator that causes (topology +
> > > cluster) updates to the original operator. This 2nd operator will have
> the
> > > same portgroups and connections of the first operator, so (I suppose)
> Xsi
> > > should be able to evaluate everything consistently.
> > OK, I think I understand it now :)
> >
> > Still my question stands though: Is there a way (even a workaround) to
> > update partial (not complete) clusters based on a given criteria?
> >
> > Thanks a lot for your help, Michele.
> > Abdo Haji-Ali
> > Programmer
> > In|Framez
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>
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