Click here to see the SAS code.
Click here to see the example.
Click here to see the SAS code (for Raleigh drilldown).

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Here is a nice little trucking / transportation / shipping example:

This was a little proof-of-concept to show that SAS/Graph could produce
maps, and show the shipping-hub cities, and allow the user to "drilldown"
on a particular hub, and show the routes into & out of that hub.
(The only hub I've really set up the drilldown for is Raleigh, NC).

The map is drawn with SAS/Graph 'proc gmap'.
The state abbreviation is annotated on the map.
The city markers & names are annotated.
The longitude/latitude locations for the cities was looked up in
the sashelp.zipcode data set, based on the zipcode of the city.
The logo image was placed at the top of the page by adding a
'prehtml' tag to the top of the ods style.

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