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Questions tagged [doubly-connected-edge-list]

A doubly-connected edge list (DCEL) is an edge-centered data structure capable of maintaining incidence information of vertices, edges and faces, for example for planar maps.

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How do I construct a doubly connected edge list given a set of line segments?

For a given planar graph $G(V,E)$ embedded in the plane, defined by a set of line segments $E= \left \{ e_1,...,e_m \right \} $, each segment $e_i$ is represented by its endpoints $\left \{ L_i,R_i \...
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