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				Updating viewpoint via external computer
			 
 
			
			Hello.  Brand new to Vizard (and networks) here.
 I would like to update the viewpoint in a Vizard scene based on position data I’m sending from a Matlab script running on another computer on the network (UDP).  I’m posting to ask if this a case where the “viz.NETWORK_EVENT” callback would work.  I’ve been looking at the help files, and it would seem that I could send the Matlab position data over the network and receive it as “e.data” in Vizard.  Then there could be a callback in the Vizard code that updates the viewpoint according to the Matlab data received.  Is this correct?
 
 If so, is there a particular place in the Vizard code where this callback should go?
 
 I see that Vizard sends and receives via port 4950 by default.  Not having the appropriate background for this forum, I’m afraid I don’t know what to do with that information.  How would I make sure the position data I’m sending from Matlab goes to port 4950?  I don’t understand the difference between specifying the port and specifying the IP address of the computer you want to talk/listen to.  If users on the forum have the patience to explain, I would appreciate the help.
 
 Finally, the help menu mentions a “Primer on Networking”, but the link to that primer isn’t active.  Any suggestions about how to go forward with this set-up or other on-line resources I might tap into for this application?
 
 Sincere thanks,
 Rachel Brady
 
			
			
			
			
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