24.5.2 Graph area

The Graph area produces a graph of the current system, together with all its membersThe generic facilities available to all graph views throughout the environment are available here; see Manipulating Graphs for details.

• Double-click on a filename to display the file in the editor.
• Click on an unfilled circle alongside a system name to display its members.
• Click on a filled circle alongside a system name to hide its members.
• Select either a system name or a file name to display details in the Description area.

You can operate on systems and files via the context menu, which offers commands such as Concatenate... and Search Files... for systems, and Compile and Print... for files. The system commands are also available in the Systems menu. If no items are selected, the commands apply to the current system, whose name is printed in the System area.

The standard graph layout menu, described in Manipulating Graphs, is available as the Graph submenu of the context menu.

To traverse the system hierarchy, double click a system node in the graph. If the destired parent node is not in the graph, choose Systems > Parent . The parent of all systems defined in the image at any time is called the ROOT-SYSTEM .