Text Description for Figure 1.1

An arrow points from a drawing of a client’s computer (left) to a drawing of a server (right).

Above the computer and server is the following statement:

1. Client sends web request and parameters: (image shows the following URL: http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi?SERVICE=WMS&REQUEST=GetMap&FORMAT=image/png...)

Next to the server is the following statement:

2. Web service code draws map

An arrow points back from the server (right) to the client’s computer (left). Beneath the client’s computer and the server is an image of a map and the following statement

3. Server sends response to client