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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I think a better strategy would be to use the GrADS shapefile function as using and making basemap polygons is very time consuming (I have done it) and slow to plot.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You can get Ocean shapefiles from: <a href="http://www.naturalearthdata.com/downloads/10m-physical-vectors/">http://www.naturalearthdata.com/downloads/10m-physical-vectors/</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You then need shapefiles for all S American countries to mask them out. You can get them from here: <a href="http://www.diva-gis.org/gdata/">http://www.diva-gis.org/gdata/</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Another strategy might be: if you have some other dataset with data <u>only</u> over Brazil, then you could use the maskout function to only plot your data where your Brazil dataset has data.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Kieren<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> gradsusr-bounces@gradsusr.org [mailto:gradsusr-bounces@gradsusr.org] <b>On Behalf Of </b>Gisele dos Santos Zepka<br><b>Sent:</b> 07 January 2014 21:51<br><b>To:</b> gradsusr@gradsusr.org<br><b>Subject:</b> [gradsusr] basemap.gs for Brazil<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'>Dear users,<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>I need to mask out the ocean and non-Brazilian areas on my maps. With the script <a href="http://basemap.gs">basemap.gs</a>, I can overlay a ocean mask, but not the non-Brazilian land. Any suggestions?<o:p></o:p></p></div><p class=MsoNormal>Thanks!<o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p><div><div><div><p class=MsoNormal><br>-- <br>____________________________________________<br><br>Dra. Gisele dos Santos Zepka Saraiva<br>Meteorologist - Atmopheric Electricity<br>National Institute for Space Research - INPE<br>Av. dos Astronautas, 1758<br>São José dos Campos, SP<br>Brazil, 12227-010<br><br>Phone:++55(12) 3208-6841 <o:p></o:p></p></div></div></div></div></div></div></body></html>