call sub vi & using the image overlay

Hello

I'm doing a simple VI for an NTSC video camera using NOR Vision & the framegrabber PCI-1411.

With success, I was able to view the live video with the attached VI.

Two questions:

* my camera to field VI called another VI, precise timestamp running. As a stand-alone VI it works, but when I call, my face timstamp indicator before never updates. Observing run highlight, it seems that the sub VI is in progress (green arrow), but the value is never output. Why?

* In the main VI, I created a simple overlay, 'hi. ' When I run into the live video, this overlap is considered to be an occasional flicker. Video live with OFF, the overlay is present. I see the failure of the code to follow writing 'Hi' video is displayed? If so, is there a better way to introduce this overlay so that it will be visible at all times in case of live video?

Any help would be greatly appreciated!

AK

I figured out how to make the overlay visible both permanently in a video & recordable stream in an AVI file.

I had to use Merge Overlay immediately after the text Overlay. Now, it works great!

AK

Tags: NI Software

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