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After I got images with Peak force QNM, I want to know the (x y z) data of each pixel for data process. x y are the position on scanning surface, z is one of the measured properties such as height, adhesion .... Is it possible for images opened in NanoScope Analysis to export as 3 columns of data?
I'm afraid not. You could get this by calculating the positions using the scan size and the samples/line and lines, or you could save the X and Y sensor as separate images and use the measured position for each pixel (you will need to calibrate the X and Y sensor in the "Calibrate>Detector" dialog). Either way will require some manipulation from you. I would suggest using Igor, Python or Matlab.
--Bede