Navigation and Layout
Toolbar

General graph loading, saving, editing, viewing and annotation operations are
available from the toolbar.
These functions and the buttons which select each function are described below.

Graphs can be loaded from the file system in SIF and GML formats, or saved in
GML format. The toolbar buttons for loading and save graphs, from left to right:
- Load Graph
- Save Graph as GML

Graphs or regions of graphs can be viewed at higher or lower magnification, and appear closer or further. The four zoom buttons are used to select the zooming
behavior.
Use the zooming buttons located on the toolbar to zoom in / out of the
interaction network shown in the current network
display. Zoom icons are detailed below, from left to right:
- Zoom Out
- Zoom In
- Zoom Selected Region
- Zoom Out to Display all of Current Network
You can also zoom in/out by holding
down the right mouse button and moving the mouse to the right (zoom
in) or left (zoom out).

Nodes and edges in the graph can be hidden or shown; these operations are
selected from the hide/show buttons. From left to right:
- Show All Nodes and Edges
- Hide Selected Region

Nodes can be annotated with loaded annotations; this operation is specified by the above button:
- Add Annotation Ontology to Nodes

New visual styles can be created and edited; this operation is specified by
the above button.
- Set Visual Properties

Visual styles can be applied to graphs; this operation is specified by the
above button.
- Change the Current Visual Style
Node Selection
Use the left mouse button to select
a node (hold down the Shift key to select more than one node). Use
the right mouse button to launch a context sensitive menu with
additional information about the node that was clicked on.
To lay out your network using a
Spring Embedded Layout, select Layout
Apply Spring Embedded Layout from the main menu. Sample screenshot
is provided below:

Figure:
Applying
the Spring Embedded Layout to a sample network.