vlax-curve-isPeriodic

AutoCad AutoLISP Functions

 
vlax-curve-isPeriodic
 
 
 

Determines if the specified curve has an infinite range in both directions and there is a period value dT, such that a point on the curve at (u + dT) = point on curve (u), for any parameter u

(vlax-curve-isPeriodic curve-obj)

Arguments

curve-obj

The VLA-object to be tested.

Return Values

T if the curve is periodic; otherwise nil.

Examples

Determine if the ellipse used to demonstrate vlax-curve-getArea is periodic:

_$ (vlax-curve-isPeriodic
ellipseObj)
T

Determine if the spline used to demonstrate vlax-curve-getDistAtParam is periodic:

_$ (vlax-curve-isPeriodic
splineObj)
nil