このコレクションのトライアングルポイントの法線を、各TrianglePointの x,y,z 値の 2DArray（[x,y,z values][TrianglePoint]）として戻します。
set root = application.activeproject.activescene.root
set obj = root.addgeometry( "Cube", "MeshSurface" )
set triangle = obj.activeprimitive.geometry.Triangles(0)
set Points = triangle.Points
a = triangle.points.normalarray
for i = LBound(a,2) to UBound(a,2)
logmessage "p.normal = " & a(0,i) & "," & a(1,i) & "," & a(2,i)
next
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