TYPE: POP
TITLE: Acceleration POP

The Acceleration POP can be used to explicitly set a particle's acceleration.
The acceleration can be evaluated either in component form or as a vector. 
To help visualize the effect of this operator, turn on the template flag to 
view the acceleration guides. 

This POP modifies the following attributes: accel.

Parameters:
    Activation          - Turns the POP on and off		/activate
    Source Group        - Subset of points to act on
    Apply Motion        - Type of points to apply acceleration to
    Acceleration        - Acceleration				/ax /ay /az

Local Variables 
    Overview - The standard local variables are usable in this POP.  Please
               refer to the Houdini manual for more details.
