<div dir="ltr">Dear NCL experts,<div><br></div><div>I am trying to add point shapefile to a plot using the gsn_add_shapefile_polymarkers function in NCL.</div><div><br></div><div>To view the contents of the shapefile I used the shape_utils.ncl from the following link:</div><div><div><div class="gmail-m_-5902586075954390952gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><br></div><div dir="ltr"><font face="comic sans ms, sans-serif"><b><u><a href="https://www.ncl.ucar.edu/Applications/shapefiles.shtml">https://www.ncl.ucar.edu/Applications/shapefiles.shtml</a><br></u></b></font></div><div dir="ltr"><br></div><div>I tried to plot the shapefile in GIS and it works fine but I still got an error that the geometry attribute should be a point when I plot it in NCL. I am not sure why in the filedump below, the geometry type is "unknown".</div><div><br></div><div><br></div><div>I attached my script and the files that I am plotting.</div><div><br></div><div><br></div><div dir="ltr"><font face="comic sans ms, sans-serif">Variable: a</font><div dir="ltr"><font face="comic sans ms, sans-serif">Type: file</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">File path:<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>may_hgt-hgt_1996-2012_850hPa.nc</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">Number of global attributes:<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> 0</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">Number of dimensions:<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> 2</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">Number of variables:<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> 6</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>======================================================================</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>Filename: "sig_regpval_1996-2012.shp"</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> Geometry type: unknown</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> # of features: 2906</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> Min/max lat: -80.00/ 82.50</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> Min/max lon: 0.00/ 360.00</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> Variable names and their types:</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> geometry : integer</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> segments : integer</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> x : double</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> y : double</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> z : double</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> CREATED_BY : string</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> AUTHOR : string</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> TYPE : string</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> DESC : string</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> LONGITUDE : double</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> LATITUDE : double</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> GRID_VALUE : double</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>======================================================================</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>Error: gsn_add_shapefile_polymarkers: geometry_type attribute must be 'point'</font></div><div dir="ltr"><font face="comic sans ms, sans-serif">(0)<span class="gmail-Apple-tab-span" style="white-space:pre"> </span> No shapefile information will be added.</font></div><div><br></div><div><br></div><div>I'll appreciate any suggestion on how I can plot this correctly.</div><div><br></div><div>Thank you in advance.</div><div><br></div><div>Lyndz</div><div><br></div></div></div></div></div></div></div></div></div>
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