[Sidefx-houdini-list] transfer attributes from metaballs to geometry?
ben.schrijvers at guerrilla-games.com
Thu Dec 4 13:25:23 EST 2008
Hmmm you would hope that the AttributeTransfer Sop would be doing this.
It's doing some nifty stuff for vertex attributes already.
Would be a reasonable RFE!
Else I would probably go for the vex route as it seems all needed
functionality is there.
With a bit of luck you can make it generic so you can specify the
attribute as a parameter.
Then you can use it for more than just color.
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?
> 2008/12/4 Andrew D Lyons <tstexture at gmail.com>
>> 1 convert-meta
>> 2 attribute transfer SOP.
>> 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
>>> 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
>>> as you would expect.
>>> Or do I need to get into writing a vex sop to do this?
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>> Andrew D Lyons | Digital Artist | http://www.tstex.com
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