anyone have any experience or thoughts they're willing to share on importing large X-Y spline data sets? I've read "How can I import spline data from Excel?" in Tim's book and still have questions..... my data set (>1000 points) is currently in four columns; two for calculations and X & Y (ie: linked). is there a way to tell Shark FX9 which two columns are X & Y in the Tab Delimited Text (.txt) format file?? if not, does Shark FX9 "see" hidden columns? short of rewriting/merging/eliminating the calculation columns, is there any way to get four columns of data into Shark FX9 and have the X & Y data recognized for use in a spline??

Art
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