Dear Mary,
I'm so sorry; I found the bug in data; the mask was inconsistent with
coordinates (coordinates and mask were generated by two different
programs, the mask array was swapped). Everything works fine now (with
"res@tfDoNDCOverlay = False").
-- With best regards, Szymon Jaranowski _______________________________________________ ncl-talk mailing list List instructions, subscriber options, unsubscribe: http://mailman.ucar.edu/mailman/listinfo/ncl-talkReceived on Thu Aug 23 05:48:34 2012
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