port visibility

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Article #91

#91

From: Michael B. Johnson
Date: Wed, 09 Sep 1992 17:42

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Oops.  Sorry about that.  I answered the wrong question.

Someone asked how to make a parameter visible as a port, and how
to do it programatically.  I just told them how to make it visible.
Right answer, wrong question.

Taking a quick spin through the Developer's Guide, I see (on pages
4-16 and 4-17) how to do it for input ports (do it when you create
the input port with a flag given to AVScreate_input_port()) and 
output ports (call AVSset_output_flags()), but I don't see an 
API approved way of doing it for a parameter.

At this point, assuming there isn't, I would suggest making the 
parameter in input port.  That's probably not the answer the
poster was looking for, though...

Why do you want to do it this way anyway?  Just wondering...

Sorry I couldn't be more help.





-- 

-->  Michael B. Johnson
-->  MIT Media Lab      --  Computer Graphics & Animation Group
-->  (617) 253-0663     --  wave@media-lab.media.mit.edu

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Newsgroups: comp.graphics.avs
Path: arc1-ca.pugleaf.net!sparky!uunet!snorkelwacker.mit.edu!news.media.mit.edu!wave
From: wave@media.mit.edu (Michael B. Johnson)
Subject: port visibility
Message-ID: <1992Sep9.174226.28467@news.media.mit.edu>
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Organization: MIT Media Laboratory
Date: Wed, 9 Sep 1992 17:42:26 GMT
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