[Sidefx-houdini-list] transfer attributes from metaballs to geometry?

Robert Kelly isstuff at gmail.com
Thu Dec 4 12:45:28 EST 2008


when you tick colours it shows the transform in a colour, probably good for
doing the difference between the deformed un deformed geometry in the
previous trick to find metta weight, but it isnt about transfeing Cd
atributes.

2008/12/4 Andrew D Lyons <tstexture at gmail.com>

> Oh - I see what you are doing. The magnet SOP is what you want (as
> Brian Goodwin suggested). That does colors. Is it not working?
>
>
> 2008/12/4 Robert Kelly <isstuff at gmail.com>:
> > hmm attribute transfer only listens to the  attribute and the location of
> > the center of the metaball, not the weight of the metaball. to test it
> you
> > make a big strong red metaball and suround it with 4 small weak blue ones
> > and see what colour the grid listens to. rangi's trick that works on one
> > atribute is to get a magnet sop and move the geometry in the Y and mesure
> > the difrence between each points position and that will give you the
> > strength of the metaball at each points location. But this dosent get you
> > the colour.
> >
> >  Andrew D Lyons methoud works to an extent (the closest to it ) but not
> at
> > the heart of the metaball
> >
> > I think i will have look into a vex related answer. Unless there is some
> > more surgestions?
> >
> > Robert
> >
> > 2008/12/4 Andrew D Lyons <tstexture at gmail.com>
> >
> >> Hi,
> >>
> >> 1 convert-meta
> >> 2 attribute transfer SOP.
> >>
> >> Cheers
> >>
> >> 2008/12/4 Robert Kelly <isstuff at gmail.com>:
> >> > Am I missing something or is ther a simple way to... for example.
> >> >
> >> > You have a grid, some metaballs of different sizes and weights, each
> with
> >> a
> >> > different color in the Cd attribute. the mettaballs are intersecting
> the
> >> > grid. How can i transfer the Cd attribute onto the grid and have it
> >> transfer
> >> > as you would expect.
> >> >
> >> > Or do I need to get into writing a vex sop to do this?
> >> >
> >> > Robert.
> >> > _______________________________________________
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> >> >
> >>
> >>
> >>
> >> --
> >> =======================================
> >> Andrew D Lyons | Digital Artist | http://www.tstex.com
> >> =======================================
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>
>
> --
> =======================================
> Andrew D Lyons | Digital Artist | http://www.tstex.com
> =======================================
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