You could use this to get the number of points in your pointcloud:
http://www.hagbarth.net/nuke/GeoToPoints.nk just hit "get number of
vertecies"

However you don't really need to know the number to emit the way you want.
Just set the "emit_from" to "points" and "emit_order" to "uniformly" this
will make it spawn 1 particle per vertex every frame. So you just animate
the vertex emission rate for that one frame you need and you are good to go.

On Sat, Nov 15, 2014 at 2:02 AM, Gary Jaeger <g...@corestudio.com> wrote:

> Cool, I’ll try that. I don’t know the exact number but I can do some trial
> and error. Looks like I’ll be getting a crash course in nuke particles.
>
> Gary Jaeger // Core Studio
> 249 Princeton Avenue
> Half Moon Bay, CA 94019
> 650 728 7060
> http://corestudio.com
>
> > On Nov 14, 2014, at 4:52 PM, Ari Rubenstein <a...@curvstudios.com> wrote:
> >
> > If you know the exact # of points in your cloud, you could emit that #
> in the emitter on 1 frame, then key the rate to 0 on next frame and thus
> you'll be working with exact # of related particles... just a nice method
> if you like
> >
> > Sent from my iPhone
> >
> >> On Nov 14, 2014, at 7:48 PM, Gary Jaeger <g...@corestudio.com> wrote:
> >>
> >> Thanks Ari!
> >>
> >> Gary Jaeger // Core Studio
> >> 249 Princeton Avenue
> >> Half Moon Bay, CA 94019
> >> 650 728 7060
> >> http://corestudio.com
> >>
> >>> On Nov 14, 2014, at 4:44 PM, Ari Rubenstein <a...@curvstudios.com>
> wrote:
> >>>
> >>> Plug your point cloud into an emitter, set emitter velocity to 0, then
> apply forces like turbulence after the emitter
> >>>
> >>> Sent from my iPhone
> >>>
> >>>> On Nov 14, 2014, at 7:28 PM, Gary Jaeger <g...@corestudio.com> wrote:
> >>>>
> >>>> Is it possible to turn a point cloud into particles? I see that I can
> render an imported .abc point cloud as particles, but what if I want to
> apply turbulence or some other particles effect? Any ideas?
> >>>>
> >>>> Gary Jaeger // Core Studio
> >>>> 249 Princeton Avenue
> >>>> Half Moon Bay, CA 94019
> >>>> 650 728 7060
> >>>> http://corestudio.com
> >>>>
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