Hot answers tagged mergeshapes
The ZCTA5(Zip Code Tabulation Area) shapefile from the Census Bureau should have what you are looking for. 2010_ZCTA5 Here are single state files, although 2010 Version. Click on the State name, then the 2 digit State FIPs code, then ZCTA510.zip should be at the bottom.
I think your first troubleshooting step should be to quantify the time taken for your IDE to import ArcPy (which ArcMap already has imported by default) because you will not be able to eliminate that time from your IDE workflow. You can use a code snippet like this to do that: import time start = time.clock() import arcpy elapsed = (time.clock() - start) ...
I could not download "original boundaries" (it seems the link is broken), but this is what I got (I think the same as @cengel) with data provided on second link (+ the .dbf file link): require(rgdal) require(maptools) require(ggplot2) require(plyr) # Reading municipal boundaries esp = readOGR(dsn="C:\\...\\boundaries", ...
You should use the Dissolve tool. By default, this will create multipart features where your stands are separated by a small gap. This is what you want for your case. You can elect to dissolve everything or by a common attribute. After dissolving you will get an accurate areas calculation. Dissolve is available in all licence types. Aggregate Polygons ...
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