The operations in the Zoom/Pan toolbar (see Figure 59) allow you to
zoom or pan selected symbols of an activity diagram. The Zoom/Pan
toolbar becomes active when a symbol is selected in the activity
diagram.
Figure 59. Zoom/Pan toolbar

The Zoom/Pan toolbar provides the following operations:
- Zoom: this operation allows you to zoom in on selected symbols in
the diagram. To perform a zoom, click and hold the left mouse button
while in zoom mode. When you hold the mouse button and drag in zoom
mode, zoom-selection draws a rectangle to indicate the area into which you are
zooming. After you have positioned in the area of the diagram, release
the mouse button to select the area for zooming.
- Zoom-to-Fit: this operation sets the diagram magnification so that
all symbols in the diagram are visible.
- Zoom-to-Selection: this operations lets you zoom on selected
symbols. Select the symbol and click Zoom-to-Selection to magnifies the
symbol to fit the frame.
- Pan: this operation allows you to "pan" or move to different
areas of the diagram. After you click Pan, the pointer changes to a
hand. You then click and drag the mouse to move around the
diagram.
