3D point collection object class. This class is used to manage all nodes on a line, polygon object, or its children. Since a line, a polygon object, or its children are all directed, their point collection object is a collection of ordered points.
Methods
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Append a 3D point object to the 3D point collection object.
Name Type Description point3D
Object 3D point object. Returns:
Returns the index number of the added child object if successful, or -1 if it fails. -
Clear all elements in a 3D point collection object.