November 2005
Intermediate to advanced
304 pages
6h 14m
English
Content preview from Wicked Cool Java
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Attri-Beauty: Using JGraph Attribute Maps
Graph connectivity represents only the interconnection of vertices, not the placement or arrangement of them in a graphical sense. We saw this in the previous section when we used JGraph's add-ons API to create a circular layout. We needed something besides the graph model to set the location of each vertex. In JGraph, every vertex has an attribute map associated with it. This map contains attributes for location, color, and other properties of the view. The CircleGraphLayout class
from the previous section works by setting the location attribute inside each vertex's map.
You can work with the attributes ...
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