How to reveal a 2D phase map?

Hello

I am currently working on phase mapping project. I have successfully created a plan of Phase of four different images, however, I have difficulties opening this map of phase. Plan phase is a 2D double table [real 64-bit (~ 15 bit precision)], with values between 0 and pi. I tried to use the PhaseUnwrap.VI several times, but it doesn't seem to work properly. I would be grateful any input/help on solving this problem of uwrapping.

Thank you

Kate

Thanks for the input everyone, I actually solved the problem this morning. The issue proved to be that I had to use the Arctan2 instead of arctan right on the table before sending it to the conduct phase. To sucessfully unpack my 2D table I first unpack a single column, then unpack all lines, unpack all the models and then convert the 2D table. I had difficulties to fix my VI to these positions, but if I try to attach it so that others can see my solution if necessary.

Tags: NI Software

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