[Sidefx-houdini-list] pcfilter point number

Alvaro Castaneda varomix at gmail.com
Wed Aug 3 12:21:48 EDT 2011

This might be a dumb idea, but why don't you
ask the user to place a sphere for initial position
use that to grab any points inside and start from there?

I can use that  :)

MIX Studio
3D Artist/Generalist TD
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On Wed, Aug 3, 2011 at 10:06 AM, Nick van Zutphen <nvanzutphen at live.com>wrote:

> Hi!
> I finally figured out how this maillist thing works :-), at least I hope
> so. It feels a bit like 'you're used to Internet, and you have to use 'the
> wire', telex or how ever it's called in English' ;-).
> I'm working on a tool which operates on scattered points and it needs a
> starting point. I would like to give the user the ability to specify a
> position vector and the tool will figure out what the closest point is. This
> becomes need when you would like to start in a certain area and the points
> might change due to a different seed or what so ever.
> I think of a pointcloud method, however I'm interested in the closest point
> pointnumber. I know pciterate has the option point.number but that doesn't
> seem to work on pcfilter and ptnum doesn't give any luck either. I would
> like to use pcfilter since it's about a single point and iterating over 1
> point doesn't seem to make much sense.
> So my question is: 'Is there a way to get the point number when using
> pcfilter. If not, what's the alternative?'
> Cheers!
> Nick van Zutphen
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