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New to iterations in model builder

Question asked by geonetadmin on Jun 7, 2011
Latest reply on Jun 15, 2011 by geonetadmin
Original User: lejewell

I have 137 polygons that I need to buffer but I don't want the original polygon area. So basically I want to do an "outside buffer". There is a buffer type that is supposed to do this but it's not working properly so I'm trying to use iterations to select each polygon, make a buffer and then erase the polygon out of the buffer.
It seems to iterate through the polygons but it gives me an error each time saying the input is invalid for the erase tool.
I'm sure the answer is simple but this is my first time trying to use iterations in model builder.
Thanks for any help anybody can give me.
Lorna

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