Notes
Source:
POP Interact
Houdini 18.0 Nodes Dynamics nodes A POP node that applies forces between particles. Activation Turns this node on and off. The node is only active if this value is greater than 0. This is useful to control the effect of this node with an expression. Note This is activation of the node as a whole.
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Core Radius parameter can be used in alignment with Pscale applied to particles to manage minimum distance among them.