Retrieve high/low label data

Dear NCL Team,

There are attributes under cn resources which can show the high/low labels
on a plot, for example, cnHighLabelsOn / cnLowLabelsOn. What if I want not
only to print the "H" or "L" on the graph, but also get the data about those
high/low labels such as lat/lon, pressure values? Thanks in advance.

Regards,
Samuel Leung

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Received on Wed Mar 24 10:08:01 2010