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How could I get the gradient values at the edge tools

I can't get the gradient values information from the edge detectors.when i use this function, the gradient values are returned as 0.

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Message 1 of 3
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  • We can't do much with pictures of code.  Attach the actual code (hint -- it's a file whose extension is .vi).
  • Express VIs (such as the Vision Assistant) are fine for simple things, particularly if you have a good understanding of what you are doing.  To do anything complex, you should learn how to work with the IMAQ functions directly.
  • Is there a particular Image you are studying?  Along with the code, it doesn't hurt to attach some data.

Bob Schor

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i just wanna get the strength profile(or gradient value) of the selected line
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