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' CleanPolyline.rvb -- October 2009
' If this code works, it was written by Dale Fugier.
' If not, I don't know who wrote it.
' Works with Rhino 4.0.
Option Explicit
Sub CleanPolyline
Dim pick, pline, pline_points, closed, bound
pick = Rhino.GetObjectEx("Select polyline to clean", 4, True)
If IsNull(pick) Then Exit Sub
pline = pick(0)
If Not Rhino.IsPolyline(pline) Then
Call Rhino.Print("Curve is not a polyline.")
Exit Sub
End If
Call Rhino.EnableRedraw(False)
pline_points = Rhino.CullDuplicatePoints(Rhino.PolylineVertices(pline))
If Rhino.IsCurveClosed(pline) Then
bound = UBound(pline_points) + 1
ReDim Preserve pline_points(bound)
pline_points(bound) = pline_points(0)
End If
Call Rhino.DeleteObject(pline)
pline = Rhino.AddPolyline(pline_points)
If pick(2) = 0 Then Call Rhino.SelectObject(pline)
Call Rhino.EnableRedraw(True)
End Sub