Figure 5
![Figure 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2105-9-450/MediaObjects/12859_2008_Article_2435_Fig5_HTML.jpg)
Customized navigation using waypoints. The user sets two waypoints and zooms in the area around Waypoint2 (top). The selected area is displayed in greater detail, then the user clicks Waypoint1 in the "Waypoints" tab (middle). The focus changes to Waypoint1, then the user selects "Edit Waypoint" action (bottom) to change the attributes.