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Comparing a # in an array to a reference


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Hello there,

I'm a new LabView user who just started using it about 2 weeks ago. I'm trying to write a program that encode a picture (512x512 pixles) into a 512 columns x 512 row data file ( I think I got this part ). However, I'm trying to extract the value from the array. For instance, if the value > 0 @ x,y (30, 250), I want to show it in a graph. How would I do that!?

I also included part of the VI that I composed. Maybe it doesn't make sense to most of you, since I just start. But please help.

Thank you in advance,

Pui

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QUOTE

I was trying to figure a way to compare all the values in a fashion that the computer reads the value @ (0,0) -> (0,1) -> ... -> (0,512) then down (1,0) - > (1,1) -> ... -> (1,512) until it finishes down to (512, 512).

The easiest way to do this part is with nested auto-indexing for loops. I don't fully understand what the rest of your code does, but this will simplify it some.

post-13866-1238011685.png?width=400

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