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Extracting data from tech plot

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Old   November 15, 2009, 17:30
Default Extracting data from tech plot
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Eric Jase
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I have stream lines in a 2d techplot plot from both streamtraces calculated from the u and v field, and from a contour plot of calculated streamlines.

In these plots, there is are three vortexes. I would like to find the center of these vortexes (u=0, v=0). How do I do that?
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