Hi: Overlay calculates percentage based attribute assignment. If you choose separate bands then each band will be independently calculated. If you need a table that actually shows percentage overlaps you could try using the following add-in:
http://www.caliper.com/Maptitude/GISDK/polygonoverlay.htm <http://www.caliper.com/Maptitude/GISDK/polygonoverlay.htm> Please let us know if any of these suggestions help. Maptitude Mapping Software <http://www.caliper.com> Group Moderator --- In [email protected], Jeff Kelly Lowenstein <jkellylowenstein@...> wrote: > > Dear Maptitude Users Group, > > Thanks to everyone who has helped me thus far with our project. > > We have managed to calculate the area of bands in the city that are covered by > overlapping 500-foot bands around child care facilities, schools and > playgrounds. > > > Now we would like to calculate the area by community area that is covered by the > percentage of the bands in each neighborhood. I've tried this by overlaying a > community area map onto the city map. But somehow the total area I get through > this process is more than twice the citywide area, so I am quite confident the > calculation is not accurate. > > I welcome any suggestions you have? > > Jeff > > > > > ________________________________________________________________________\ ____________ > Don't get soaked. Take a quick peek at the forecast > with the Yahoo! Search weather shortcut. > http://tools.search.yahoo.com/shortcuts/#loc_weather >
