Get a list of vertices that form the boundary of a face set. This is often use to get n-gon boundaries.

Namespace: Rhino.Geometry.Collections
Assembly: RhinoCommon (in RhinoCommon.dll) Version: Rhino 6.0

C#

public int[] GetNgonBoundary(
	IEnumerable<int> ngonFaceIndexList
)

VB

Public Function GetNgonBoundary ( 
	ngonFaceIndexList As IEnumerable(Of Integer)
) As Integer()

ngonFaceIndexList

Type: System.Collections.Generic.IEnumerable(Int32)
List of mesh face indices.

Type: Int32[]
List of mesh vertex indices that form the boundary of the face set.

Supported in: 6.0.16224.21491

MeshNgonList Class
Rhino.Geometry.Collections Namespace