[Sidefx-houdini-list] Detect high frequency areas in CHOPs

Alvin Yap alvinyapvfx at gmail.com
Thu Sep 22 05:59:57 EDT 2011


What about using distance to the point to modulate the forces? Something
like a force multiplier based on distance?

E.g. http://www.red3d.com/cwr/steer/Arrival.html

Alvin

2011/9/22 Pablo Giménez <pablogipi at gmail.com>

> Hi all.
> I am tracking some points positions using chops.
> This points moves towards a goal, every point has a different goal.
> When they are close to theirs goals, because I am using forces, they begin
> to oscillate around them. I have some kind of dampening that is working and
> tends to stabilize points, but it needs some time to do it.
> So I was thinking about using chops to detect when I have points
> oscillating
> around their goals.
> As expected I got channels that shows the initial movement towards the
> target, with high amplitudes, then when a point is close to its goal I got
> small amplitudes and high frequencies.
> Hou can I detect this areas so for instance get a channel that goes from 1
> to 0, 1 when point motion has low frequencies and 0 when it has high
> frequencies.
>
> Any help is welcome. Thanks!
>
> --
> Un saludo
> Best Regards
> Pablo Giménez
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