','linewi',2);<br>&nbsp;&nbsp;&nbsp; xlabel('1000km range rings from Bangkok');</pre>
<center><img src="./private/rring.gif"><br>
<br>
</center>
<h4><a name="12._Speckle"></a> <a name="e12"></a>12. Speckled boundary</h4>
<pre>
    bndry_lon=[-128.8 -128.8 -128.3 -128 -126.8 -126.6 -128.8];
    bndry_lat=[49      50.33  50.33  50   49.5   49     49];
    
    clf;
    m_proj('lambert','long',[-130 -121.5],'lat',[47 51.5],'rectbox','on');

    m_gshhs_i('color','k');              % Coastline...
    m_gshhs_i(