greatness of calibrated 2 2 mouse moving measure determine the axis of rotation

Hi all

like other posters, I am very new to LabView, so if it is a very simple problem, please have discretion and still try and point me in the right direction - thanks!

I'm trying to measure the extent of the optical mouse movement by calibrating to another.

I have attached the VI below - the original VI was a VI of detection of position that was available on the forums.

Basically, the problem I have right now is that I need only the first value that goes into the registry change however it constantly displays the values when the Enter key is not pressed.

Finally, I want to measure the 2 mouse movement at the same time to determine an axis of rotation and angular displacement, but I don't know how to acquire the position of the two mice, so if you have any suggestions for this problem I would appreciate it really only also.

Thank you!

Brad,

Please specify your logic.  I modified your program to demonstrate a way to do this.  I replaced the subVIs with two controls: a back button and a slide called mouse switch. I added a registry to offset to keep track of the previous position of the back and simple logic to detect only the transitions of T F and F and T.  Then he used two structures case to place the appropriate value for the mouse in the registry to offset and to do the calculations and refresh the display.  The structure case T F could be replaced by a Select node in the palette of comparisons.

I also increased the waiting time so that you can see the LEDs transitions.

Lynn

Tags: NI Software

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