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on the rendering computer, there are typically three options for the COM port that the PPT is connected to:
A) Most likely in you case: it's connected over a PCI to serial card. To find out which COM port this is most likely, go under Start-control panel, click on system, select 'hardware' tab, click on 'device manager' and look which COM ports the PCI-Serial adapter connects to.
B) If your computer has a native serial port, and that was used, then it's probably COM1 or COM2 (these are typically the native serial ports)
C) if a USB to serial adapter (dongle) was used for connecting your rendering computer, thatn follow the desctiption of A) and figure our which COM port the USB/Serial dongle connects to.
Once you know (or suspect to know) the port that the PPT data comes in thru then run the Vizard script and see if this helps.
NOTE: the COM-port settings of the PPT computer have NOTHING to do with the COM-port settings on the Rendering computer (with Vizard).
Once the PPT works, do NOT change any of the COM-port settings around, as the physical COM-ports on the PPT do not change.
Once the PPT runs, it runs reliably and typically literally for years (if you don't move the cameras), so for normal laboratory use, it's not required to change anything on the PPT side other than how many points are tracked.
Hope that helps. sorry for the confusion, and have a good evening.
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