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From: memeje83 on 6 May 2008 23:10
Can anyone tell what's wrong with my VI?  I'm completely new to LabView, but someone told me it may be a good solution to my project at school.
 
Right now I have a VI that's supposed to capture images of fan blades with the NI 1722 Smart Camera.  The VI (or program) that I have is supposed to determined the positioning of the tip of the fan blades along the Y-Axis (X-Coordinates are completely ignore since the displacement measurement I want to find is when a blade has gone up or down in the picture).  The program figures out which part of the blade to analyze by using a template that I created through the NI template Editor.  This is all fine, this part works, but then when I run the program, the values fluctuate, meaning eventhough there is no object in the image, the displacment is supposed to just read 0, but it doesn't, it sees a value which I believe is the position of just the first blade.  Now I dont know why this error that seems to be coming from the "IMAQ Find CoordSys (Pattern 2)" is happening.  I was able to determine where the error was coming from by running my code in the "highlight execution."
 
I've been working on this program for some time now and I thought it was working fine until I found this error.  Any help would be greatly appreciated.
 
 


error.jpg:
http://forums.ni.com/attachments/ni/170/321591/1/error.jpg


displacement_camille4.vi:
http://forums.ni.com/attachments/ni/170/321591/2/displacement_camille4.vi
From: mathan on 7 May 2008 01:40
<a href="http://forums.ni.com/ni/board/message?board.id=170&amp;thread.id=321592" target="_blank">duplicate post</a>
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