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Greg Fricke

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17 Feb 2010 Optitrack SDK interface demo Demonstration file on how to interface directly with Natural Points USB cameras (TrackIR or FLEX) Author: Glen Lichtwark

Sorry for the earlier post.
I realized that I was running an older version of MATLAB (7.1). I have now installed the latest release (2009b) and your function appears to work.
Thanks again for these helpful tools!

17 Feb 2010 Optitrack SDK interface demo Demonstration file on how to interface directly with Natural Points USB cameras (TrackIR or FLEX) Author: Glen Lichtwark

Thank you for these good demos, Glen! I found you via the NaturalPoint help forum.

I have downloaded both this package and TT_Tools_demo, hoping to get a developmental "leg up".

I encountered a problem right off the bat with this file. I am using V100R2:FLEX cameras. Currently I have only one camera attached (and no hub). When I attempt to run this function, I receive the following output:

Device Arrived
Device Arrived
Number of cameras = 2
??? Error using ==> registerevent
Input must be a scalar handle.

Error in ==> optitrack_data at 31
registerevent(h2,@frame_events);

The function reports 2 cameras because I have a Hardware Key (for the TT software license) installed; when I remove the key, the camera count drops to 1 but the error is the same. Any thoughts, or is this simply a problem with V100R2:FLEX cameras (as opposed to the TrackIR4 for which you developed this code)?

Thanks!

21 Feb 2009 Functions for the rectangular assignment problem This package provides m- and mex-functions for solving the rectangular assignment problem. Author: Markus Buehren

Thank you Markus!
This has helped me pass a critical practicality hurdle in my Master's Research without spending a week or two reading, writing, and debugging!

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