Parameters

arrsize	Scope: private		INT
Description: Size of interpolating arrays
Range			Default: 10
1:*	Positive

interp_radius	Scope: private		REAL
Description: Radius at which to interpolate points
Range			Default: 0.5
0:*	Non-negative

interpolation_order	Scope: private		INT
Description: Order for interpolation
Range			Default: 1
1:3	Choose between first, second, and third-order