flipper.kernel.triangulation.Edge¶

class flipper.kernel.triangulation.Edge(source_vertex, target_vertex, label, reversed_edge=None)[source]¶

Bases: object

This represents an oriented edge, labelled with an integer.

It is specified by the vertices that it connects from / to. Its inverse edge is created automatically and is labelled with ~its label.

index¶

is_positive()[source]¶: Return if this edge is the positively oriented one.

label¶

reversed_edge¶

sign()[source]¶: Return the sign (+/-1) of this edge.

source_vertex¶

target_vertex¶