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I am just confused, back to my original question... How can I pull aquired data from a subvi into a local variable/array that i can then manipulate and then display in a variety of ways?
The buffer for you DAQ device is a hardware buffer. A queue is a software buffer. They are similar in that they are first in, first out, but where they are located is different.
Did you try putting a while loop around the part of yourd code in the main VI like I stated in messages 4 and 6. Not that I recommend going that route, but it answers your question about subVI's and local variables.
I tried the while as you suggested. It does not work. the intensity graph will update ony if i interupt the continuous daq (with a stop). basically the same behavior as bofore if i start and stop the main program
