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MeshNgonListOrientation Method

Determine if the ngon's boundary orientation matches that of the set of faces it is made from.

Namespace:  Rhino.Geometry.Collections
Assembly:  RhinoCommon (in RhinoCommon.dll)
Since: 7.0
Syntax
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public int Orientation(
	int index,
	bool permitHoles
)

Parameters

index
Type: SystemInt32
Ngon index.
permitHoles
Type: SystemBoolean
true if the ngon is permitted to have interior holes, false otherwise.

Return Value

Type: Int32
1: The ngon does not have holes, the ngon's faces are compatibly oriented, and the ngon's outer boundary orientation matches the faces' orientation. -1: The ngon does not have holes, the ngon's faces are compatibly oriented, and the ngon's outer boundary orientation is opposite the faces' orientation. 0: Otherwise.The ngon may be invalid, have holes, the ngon's faces may not be compatibly oriented, the ngons edges may not have a consistent orientation with respect to the faces, or some other issue.
See Also