Once this has been completed, you should have a map showing Story County roads, rails, rivers, and 1993-1997 crashes, shown in Figure 1. Then proceed by placing the zoom button at one corner of a box that would contain Ames, pressing and holding down the left mouse button, dragging the mouse to the opposite corner of the box, and releasing the button. The resultant map should look somewhat like the one shown in Figure 3. Next, you either need to select the campus housing areas from a current layer or you need to create a new layer containing an object at the locations of interest. For either of these options the first step is to set the map and distance units of the view.
Window is active, then choose View from the menubar and Properties from the menu.
Note the Map Units and the Distance Units selection boxes. View Properties Initial Appearance Change the Map Units to decimal degrees and the Distance Units to Miles, as shown in Figure 10. Appearance Additionally, it would be useful to zoom-in more to facilitate selection of features. Then, make the the node theme visible by clicking on the small box to the left of the node themes name. A check mark should appear in the small box and yellow dots should appear on the map.