[Sidefx-houdini-list] Reading the particle life in chops

Peter Bowmar pbowmar at gmail.com
Fri Apr 13 15:02:02 EDT 2007


Don't forget Sort By Attribute and use ID so if particles die or are
born there isn't any popping...

On 13/04/07, Pablo Giménez <pablogipi at gmail.com> wrote:
> 2007/4/13, Garman Lists <garman_lists at sbcglobal.net>:
> >
> >
> > Any tips on reading particle life attribute in chops?
>
>
> Along the simulation to modify it in runtime, or after the sim?
> To read after the sim you can use Geometry CHOP, reading a bgeo sequence,
> and read the life attribute, put it into two channels and with a Math  get
> the life ratio.
>  To read during the simulation, now cames to my mind some solution, is a
> little but I suppose it could work.
> Create a spare channel in the source POP, or a Property, it doesn't matter,
> or maybe a Null will be cleaner.
> And in the Spare channel use $LIFE as it value. The embeed a CHOP network
> and into it use a Fetch CHOP to read the spare channel you have created.
> I think this could work, but I haven't tried it :)
> Hope this helps
>
> -Garman
> >
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>
>
> --
>
> Un saludo
> Best Regards
> Pablo Giménez
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