Arguments

entity   entity name to be verified (ENAME or VLA-OBJECT

Return

T  if 'entity' is a valid curve-based entity
NIL  if 'entity' is not a valid curve-based entity

Example

(vle-is-curve en) => return T for a LINE entity
(vle-is-curve en) => return NIL for a 3DFACE entity

Alias

Remarks

curve-based entities :
AcDbLine
AcDbPolyline
AcDb2dPolyline
AcDb3dPolyline
AcDbArc
AcDbCircle
AcDbEllipse
AcDbSpline
AcDbHelix
AcDbLeader
AcDbRay
AcDbXline