[UW-GIS-L] Splitting and combining polygons with area thresholds

[Michael August]

Would the "merge" function in the editor be what you're after? 

 

Just select the individual polygons you want to merge, either manually
or through a "select by attributes" (by size/area I'm assuming) query,
while in an editing session and choose merge from the dropdown menu...

 

Michael S. August, L.G.

Associated Earth Sciences, Inc.

 

From: uw-gis-l-bounces at mailman1.u.washington.edu
[mailto:uw-gis-l-bounces at mailman1.u.washington.edu] On Behalf Of Trevor
Walter
Sent: Tuesday, November 16, 2010 12:10 PM
To: uw-gis-l at u.washington.edu
Subject: [UW-GIS-L] Splitting and combining polygons with area
thresholds

 

Hi,

I am working with a set of polygons that represent forest stands.  Some
stands are represented by multiple polygons and I need to combine them
to create single units of a threshold area. Other stand polygons are
larger than a threshold area size that I need to work with.  A friend of
mine helped me figure out combining these via dissolve and splitting
larger polygons via the editor "cut polygon features" tool. However, the
set of polygons I am working with is quite large.  Does anyone have an
idea for how I might go about automating this process a bit more?  Thank
you.

-- 
~Trevor Walter
Center for Sustainable Forestry
School of Forest Resources
University of Washington
Box 352100
Seattle, WA 98195

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