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A Halfedge of the Dcel (Halfedge)

Definition

An object e of the class Halfedge is a halfedge of the Dcel of the arrangement. It has an additional type Base_node which is the same as the template parameter Base_node of the arrangement (see section reference). It has the additional methods edge_node() and set_edge_node(Base_node*).

Operations

Base_node* e.edge_node () returns a pointer to the edge node in the hierarchy tree which holds the curve from which the halfedge was generated.

void e.set_edge_node ( Base_node* b)
sets b to be the edge node in the hierarchy tree which holds the curve of the halfedge.
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The GALIA project. Jan 18, 2000.