build_geometry_network¶

sectionproperties.pre.geometry.build_geometry_network(lop: list[Polygon]) → dict[int, set[int]][source]¶

Builds a geometry connectivity graph.

Returns a graph describing the connectivity of each polygon to each other polygon in lop. The keys are the indexes of the polygons in lop and the values are a set of indexes that the key is connected to.

Parameters:: lop (list[Polygon]) – List of Polygon
Returns:: A dictionary describing the connectivity graph of the polygons
Return type:: dict[int, set[int]]