[Sidefx-houdini-list] Pop : Limit the number of particles

François Duchesneau sidefx at trinix.ca
Fri Mar 18 16:44:40 EDT 2016

It may not be what you're looking but I always manage my emitter at the 
sop level and then source it with the All Points mode. This way I have 
full control on my emitter and it's easier to visualize it. In this case 
it would also be easy to make sure you don't have more than a certain 
number of points because have access to it in sop.


On 03/18/2016 04:39 PM, Olivier Jeannel wrote:
> Hi there,
> A very simple noob question :
> In  a Popnet, using a PopSource node, I'm using Impulse Activation and
> Impulse Count.
> I would like the emission to stop when a certain ptnum is reached.
> I tried in Impulse Activation the following expression :
> if (@id >100, 0, 1)
> But no luck.
> I'm sure I've seen it somewhere inside one of the 300 tutorials I've
> watched but I'm too dumb to find it :/
> Can someone give me the correct expression ?
> Thank you :)
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