How to Get a Negative Intersect in ArcMap
Thursday, April 23rd, 2009Rectangle:
Coastline:
Erase:
Oceans:
Just a reminder for myself: How do I get an oceans layer, if I have the coastline shapefile only? Create a rectangle covering the world. Use the ERASE command to substract the coastlines from the rectagnle. There you go.
A couple of 
There are a couple of scripts for ArcGIS which allow the creation of Cartograms, but