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/ . / CGLutil / vrml.py  
VRML output module:
    A VRML scene graph is a directed acyclic graph (DAG) of nodes.  The
    nodes and their fields are documented in:
    .
    Each VRML node is a represented by a Python class of the same name
    (only those that are implemented).  The VRML field names are Python
    attribute names and can be given as keyword arguments to the various
    node constructors.  VRML eventIn fields are used as Python method
    names (when provided). 
    Typically use consists of (1) creating a Group or Transform node as
    the root node of the VRML DAG and then using the addChildren method
    to add child nodes, and (2) calling vrml(root_node) to get the text
    version of the VRML DAG, and (3) writing that text to a file. 
        
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                  Functions 
                
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                vrml 
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vrml ( node )
 
node -> str
        Convert a VRML DAG to its text representation. 
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