planarity

This code project provides a library for implementing graph algorithms as well as implementations of several planarity-related graph algorithms. The origin of this project is the reference implementation for the Edge Addition Planarity Algorithm, which is now the fastest and simplest linear-time method for planar graph embedding and planarity obstruction isolation (i.e. Kuratowski subgraph isolation). The software in this code project provides a graph algorithm framework and library, including an updated version of the edge addition combinatorial planar graph embedder and planar obstruction isolator (i.e., a Kuratowski subgraph isolator). This code project also includes several extensions that implement planarity-related algorithms such as a planar graph drawing algorithm, an outerplanar graph embedder and outerplanar obstruction isolator, and a number of subgraph homeomorphism search algorithms.

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