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

Fabian Schnuer Gohde list.houdini at schnuer.com
Thu Sep 22 06:38:06 EDT 2011

Not sure if I'm understanding this right but try the "Pass filter" chop 
set to band pass with low cut to 0 and then start with high cut to 0 and 
move up till it look right?

Best regards,

On 09/22/2011 11:54 AM, Pablo Giménez wrote:
> 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!

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