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<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN 
class=638040415-16092010>Does anyone have a&nbsp;reliable dissolve tool that 
they&nbsp;would share.&nbsp; I have many cases where I need to dissolve parcels 
on a parcel_id (maybe up to 200,000 polygons in the whole file);&nbsp; I know I 
can bring it down into ESRI, but it adds multiple steps to my process.&nbsp; I'd 
like to have a Perl/python script that does:</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN 
class=638040415-16092010></SPAN></FONT>&nbsp;</DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN 
class=638040415-16092010>dissolve.pl parcels parcel_id&nbsp; 
</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN 
class=638040415-16092010></SPAN></FONT>&nbsp;</DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN 
class=638040415-16092010>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN 
class=638040415-16092010>The output being a shapefile named 
parcels_dissolve.*</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN 
class=638040415-16092010></SPAN></FONT>&nbsp;</DIV></SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN 
class=638040415-16092010>Where the inputs:&nbsp;parcels is a shapefile and 
parcel_id an attribute in the .dbf;&nbsp;&nbsp;The .shp, .dbf etc would be 
processed&nbsp;appropriately dissolving on the attribute&nbsp;passed in, so it 
could be parcel_id to&nbsp;dissolve parcels with similar parcel_id, or could be 
an attribute like zoning; the resulting output file would contain only one 
record in the .dbf file for each unique attribute.&nbsp;&nbsp;Additionally the 
only attribute left in the .dbf would be the attribute being dissolved on 
(unless you have the ability to sum area&nbsp;or count # of occurrences; but no 
other logic about which fields to bring forth; just the one 
attribute).&nbsp;</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN 
class=638040415-16092010></SPAN></FONT>&nbsp;</DIV>
<DIV><SPAN class=638040415-16092010><FONT face=Arial color=#0000ff size=2>Thanks 
for the help.&nbsp; I'd be willing to pay for this project to be written if 
someone is interested - drop me an email off list.</FONT></SPAN></DIV><!-- Converted from text/plain format -->
<P><FONT size=2>Steven Lehr<BR>Associate Professor<BR>College of 
Engineering<BR>Embry-Riddle Aeronautical University (LB263)<BR>600 S. Clyde 
Morris Blvd.<BR>Daytona Beach, FL 32114-3900<BR>386-226-7740<BR>&nbsp;</FONT> 
</P>
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