vrnode/isvalid - 1 if vrnode object is valid, 0 if not
Syntax
x = isvalid(vrnode_object_vector)
Arguments
vrnode_object_vector | Name of an array of vrnode objects
to be queried. |
Description
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.
See Also
vrfigure/isvalid, vrworld/isvalid
 | vrnode/getfield | | vrnode/set |  |
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