<div dir="ltr"><div dir="ltr">Manisha, NCL can only read shapefiles, it can not read them. What exactly do you mean by "(b) perform the above manipulation"? Do you just want to make some expanded plots, or something else?<div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Nov 19, 2024 at 3:34 PM Manisha Ganeshan via ncl-talk <<a href="mailto:ncl-talk@mailman.ucar.edu">ncl-talk@mailman.ucar.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hello,</div><div><br></div><div>I have cloud mask data in the form of binary 0 and 1 on a lat/lon grid.</div><div>I'm able to plot these values using gsn_csm_contour_map (attached figure and plotting code).</div><div>I would like to expand the masks intersected by the four circular blue markers shown in the figure.</div><div>However, I don't have a shapefile for the masks, and I'm wondering if there is any way to </div><div>(a) extract a shapefile from contour masks</div><div>(b) perform the above manipulation without a shapefile</div><div><br></div><div>Thanks,<br>Manisha</div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr">Dr. Manisha Ganeshan<div>Morgan State University</div><div>Maryland, U.S.A.</div></div></div></div>
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