Extrapolated null position based on two tracked points

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#347

From: Navarro_Parker
Date: Fri, 13 Mar 2009 17:49

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The photo is pretty self-explanatory. If I have two tracked points, how can I determine the coordinates for a third position? I plan on wiring the distance of the extrapolated null to a slider to control the distance from the tracked points.

 <http://s175.photobucket.com/albums/w134/navstar/?action=view&current=extrap-null.jpg>

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Subject: Extrapolated null position based on two tracked points
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Date: Fri, 13 Mar 2009 10:49:02 -0700
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