[Sidefx-houdini-list] Invert metaball kernel effect with force SOP

teresuac teresuac at gmail.com
Tue Jul 5 10:27:59 EDT 2011


Can't you do that in a vop force with meta weight or with a meta loop
Maxime

2011/7/5 Pablo Giménez <pablogipi at gmail.com>:
> Thanks Edward and Mark.
> This options are all right if you are doing your own kernel function in HDK
> (Mark), or you have access to the density of the metaball in a volume
> (Edward).
> What I am saying is that if you want to use a metaball to define a force
> field, to be used in a particle SOP, attractor POP, etc ... the radial force
> is always defined from the kernel to the boundaries. But I want to do the
> opposite without making my own kernel function in the HDK or using volumes.
> Just any way to inverse the kernel function or tell the force SOP to use the
> inverse kernel function.
>
> 2011/7/5 Edward Lam <edward at sidefx.com>
>
>> On 05/07/2011 9:38 AM, Pablo Giménez wrote:
>>
>>> Probably is somethign fairly easy but seems that there is no way invert
>>> the
>>> kernel function for a metaball.
>>>
>>
>> 1.0 - density?
>>
>> -Edward
>>
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>
>
>
> --
> Un saludo
> Best Regards
> Pablo Giménez
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