Field is a function to simulate natural phenomena.
Functions include “Gravity”, “Attraction-Repulsion”, and “Deceleration” as well as other functions.
Specify Field settings from Schematic View.
Field enables you to specify settings for each kind of emitter such as Quad emitters and the like.
Field makes calculations according to rank order.
Up until now, Field influences could only be received at the source. However, Field settings
can enable parent influences to be received at places other than the source.（from Version 1.8）