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NCL experts,<?xml:namespace prefix = "o" ns =
"urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
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style="FONT-SIZE: 10.5pt; FONT-FAMILY: '微软雅黑','sans-serif'; COLOR: black">On the
base map, the data in the undesired areas can be easily masked using
mpMaskAreaSpecifiers and mpOutlineSpecifiers. But how can I mask the unwanted
areas on the overlaid plot? Could anyone help me? <o:p></o:p></SPAN></P>
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Xuan<o:p></o:p></SPAN></P></DIV>
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<DIV align=left>2019-10-09</DIV>
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