<div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-family:tahoma,sans-serif;color:rgb(0,0,0)">Dear Grads users,<br><br></div><div style="font-family:tahoma,sans-serif;color:rgb(0,0,0)">I am trying to use a north polar stereographic projection with basemap to cover land areas in Grads. <br><br></div><div style="font-family:tahoma,sans-serif;color:rgb(0,0,0)">Using the combination of set lat/lon and mproj suggested in basemap's script, I get a nice map framed with a square: <br><br>'set lat 0 90'<br>'set lon -180 180'<br>'set mproj nps'<br>'set mpvals -180 180 50 90'<br>...<br>'set rgb 88 200 200 200'<br>'basemap L 88 1 L' <br><br><div><img src="cid:ii_jlxhq5u40_165c7e08debdd742" width="534" height="480"><br><br></div><div>No problem there. Now, I would like to get rid of the corners of the square, setting the minumin latitude to 50 and using the "set frame" command, aiming to get a circle-shaped figure:<br><br>'set lat <b>50</b> 90'<br>'set lon -180 180'<br>'set mproj nps'<br>'set mpvals -180 180 50 90'<br><b>'set frame circle'</b><br>...<br>'set rgb 88 200 200 200'<br>'basemap L 88 1 L'<br><br></div><div>But then I get some pieces of land streching out of the circle:<br><br><div><div><img src="cid:ii_jlxi95be2_165c7ee11c21a18f" width="565" height="507"><br><br></div><div><span class="gmail_default" style="font-family:tahoma,sans-serif;color:rgb(0,0,0)">Trying other mpdset and basemap resolutions doesn't solve the problem.<br><br>It can get even more messy with different map domains:</span><span class="gmail_default" style="font-family:tahoma,sans-serif;color:rgb(0,0,0)"><br><br><div><img src="cid:ii_jlxj2bzw2_165c802d89ca3a4c" width="565" height="465"><br></div><br></span></div><div><br></div><div>Has someone run into this or found a solution to this bug?<br><br></div><div>Many thanks in advance,<br></div><div>David<br></div><br></div><div><br></div><br></div><div><br></div><div><br></div><br></div></div></div></div></div></div>
</div><br></div>