<<VRML 2.0 - An Introductory view by examples

Anchor

[example-html]                                                   [run]
It retrieves the content of a URL when the user clicks some geometry contained within the Anchor node's children. 


Parameters:



{                                                      

eventIn MFNode addChildren                      

eventIn MFNode removeChildren                   

exposedField MFNode children [ ]                

exposedField SFString  description               

exposedField MFString parameter         

exposedField MFString url                

Field SFVec3f bboxCenter 0 0 0                  

Field SFVec3f bboxSize -1 -1 -1                 

}



 
add and removeChildren  are eventIn and modify the
current children of this node, defined by children [ ] .
description permits to offer the user a more detailed
textual explanation of the node when he calls it. description
is one or more pairs "keyword=value" information to the browser. url  is
a http address or can be a node name (#name) e.g. for defining a
Viewpoint. bbox parameters define the bounding box.





  
Example of usage :  

Anchor             

{                     

  url "http://www.some.address.br/file.wrl"   

  children Shape { geometry Cone {} }    

 }