关于vlax-curve-getpointatdist函数的疑问（已经解决）

kailuan2zhong

还是没有结果啊，怎么回事啊？哪位大神指导下啊！

Andyhon

Command: _rectang
Specify first corner point or [Chamfer/Elevation/Fillet/Thickness/Width]: 0,0
Specify other corner point or [Dimensions]: 8,5

Command: (setq obj (e->v (entlast)))
#<VLA-OBJECT IAcadLWPolyline 01381904>

Command: (vlax-curve-getPointAtDist obj 4)
(4.0 0.0 0.0)

Command: (vlax-curve-getPointAtDist obj 8)
(8.0 0.0 0.0)

Command: (vlax-curve-getPointAtDist obj 12)
(8.0 4.0 0.0)

Command: (vlax-curve-getPointAtDist obj 16)
(5.0 5.0 0.0)