Here is an interesting new way to show crime rates, this representation shows crimes in San Francisco, CA – See the full story at the following links:
http://dougmccune.com/blog/2010/06/05/if-san-francisco-crime-was-elevation/
http://www.sfgate.com/cgi-bin/blogs/techchron/detail?blogid=19&entry_id=65711
dougmccune.com
