scan from array and compare

[hiNI]

OK, Thanks.  I was trying that in the attached VI but got stuck as to how to parse the correct values out.  I changed the +/- limit from 5 to 2 as you can see in the attached VI. How do I stop the scan as soon as I find the correct x,y data and move onto the next item in the original Array i.e, as soon as I find the value satisifying the limit for 120 (i.e. the 118 x-value), I capture that data and then move onto the second item in the Array 161.088??

Thanks,

hiNI

[nyc_(is_out_of_here)]

Replace the inside FOR loop with WHILE loop.

[hiNI]

Hello,

I got it to work but would like to increase the complexity a bit.  There are instances where the scanned x-data value may be closer to the value in the previous or next item.  For example, in the below snapshot of the txt data file, if I am scanning for 161.088, the closest value is 161.251:

161.255	-0.5907
161.251	-0.59145
162.125	-0.58748

In another snapshot, the cloest value while scanning for 325.248 from:

324	-0.891
324.875	-0.872
325.75	-0.882

is 324.875

I am just trying to extract the closest data point.  If I use a less than equal comparison, I do not always get the closest value.  Also, the difference between the "scanning for value" and the Array value varies.  How can I go about getting the closest value from the text file.

[hiNI]

Hello,

I would like some help to extract the closest value from the txt file that corresponds to a given fixed array.

For example, in the below snapshot of the txt data file, if I am scanning for 161.088, the closest value is 161.251:

161.255	-0.5907
161.251	-0.59145
162.125	-0.58748

In another snapshot, the cloest value while scanning for 325.248 from:

324	-0.891
324.875	-0.872
325.75	-0.882

is 324.875

I am just trying to extract the closest data point.  If I use a less than equal comparison, I do not always get the closest value.  Also, the difference between the "scanning for value" and the Array value varies.  How can I go about getting the closest value from the text file.

Any help will be sincerely appreciated.

Thanks,

hiNi.

[crossrulz · Accepted solution]

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@hiNI wrote:

I am just trying to extract the closest data point.

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