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Maps > Glossaries > Graph layout glossary > P
 
P
parent node
A node connected to the current node that is closer to the root node. In a tree, all links incident to a parent node end at child nodes, except one that ends at the parent node's parent node.
path
A sequence of consecutive nodes leading from one node to another using the links of the graph. It is the route along the links through the nodes in a graph. The length of a path is the number of links traversed.
planar graph
A graph that can be drawn with no links crossing other links.
polyline drawing
A drawing where each link is drawn as a polygonal chain.
preferred layout
In the context of Recursive Layout, the layout instance set as the one to be used for each graph. It is stored in a property of the graph.

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