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

brian goodwin brian.r.goodwin at gmail.com
Thu Dec 4 12:34:50 EST 2008


true,

the magnet weight works, but it cant have point specific colors.
but it does seem to take into consideration the weight of the object.
mmm


On Thu, Dec 4, 2008 at 5:30 PM, Alvin Yap <alvinyapvfx at gmail.com> wrote:

> Hello!
> Idea just popped up, what about using the metaweight expression to
> modulate the color values?
>
> Alvin
>
> Robert Kelly wrote:
> > 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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> >>
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-- 
brian


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