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<DIV><SPAN class=207135717-23102006><FONT face="Courier New" color=#800000>Is
there any way with gdal/ogr tools to join polygons into a single polygon based
upon a .dbf attribute and dissolve the interior boundaries of constituent
shapefile polygons? I created an ascii visual at the bottom to describe
what I want if the verbage is not clear.</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000></FONT></SPAN> </DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>thanks,</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>matt</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000></FONT></SPAN> </DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>Before:</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000></FONT></SPAN> </DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>----------------------</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>| Polygon
1 |</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>-----------------------------</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New" color=#800000>|
Polygon 2 | Polygon 3 |</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>-----------------------------</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000></FONT></SPAN> </DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>After:</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006></SPAN> </DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New" color=#800000>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>----------------------</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>|
|</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>| Joined
Region |_______</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>|
|</FONT></SPAN></DIV>
<DIV><SPAN class=207135717-23102006><FONT face="Courier New"
color=#800000>-----------------------------</FONT></SPAN></DIV></FONT></SPAN></DIV></BODY></HTML>