Graphics Reference
In-Depth Information
Figure 9-7: In this e-mail graph, it is difficult to discern much more than
broad generalizations.
Spatial Separation
One effective way of comparing portions of graphs is to use spatial
separation . You can separate each subgraph of interest into its own
window. Because the layout has not changed, you can make visual
comparisons across the separate windows using the same landmarks in
eachgraphtoaidinorientation.LandmarkssuchastheEiffelTowerinParis
help visitors orient themselves in a city. Landmarks in a graph are particular
nodes or portions of a graph that are visually distinct, such as a large node
or a cluster of a few nodes that form a unique pattern.
To create this spatial separation, you use filtering and isolation. You place
each successive filtered graph into a new network based on the selection.
In Cytoscape, the workflow to filter and isolate is as follows:
1. Create a new filter using the Filter tab in the Control Panel under the
Select tab.
2. Define the filter (for example, on link type and choose the types).
 
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