====== Edge ======

Edges link [[:01_user_documentation:06_graph:02_node|nodes]] together. Each edge have exactly one source and one target. The source and target can be the same node. In that case the node has an edge toward itself.

By default, edges cannot hold data other than one integer (the edgebits). The edgebits define which type of edge it is. The type of edge is tested with bit operations. Thus, an edge can be of several type. Additionally there is a specific way of using a Node as an edge (called EdgeNode) in order to hold more information in the edge. 

This section presents the different type of edge defined in GroIMP. All standards bit masks for edges can be accessed in the interface [[https://javadoc.grogra.de/graph/de/grogra/graph/Graph.html|de.grogra.graph.Graph]] as static fields.


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