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1 if vrnode object is valid, 0 if not


x = isvalid(vrnode_object_vector)



Name of an array of vrnode objects to be queried.


This method returns an array that contains 1 when the elements of vrnode_object_vector are valid vrnode objects, and 0 when they are not.

The vrnode object is considered valid if the following conditions are met:

  • The parent world of the node exists.

  • The parent world of the node is open.

  • The VRML node with the given vrnode handle exists in the parent world.

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