librttopo: librttopo (RT Topology Library) librttopo: librttopo: The RT Topology Library exposes an API to create and manage standard librttopo: (ISO 13249 aka SQL/MM) topologies using user-provided data stores. librttopo: The code is derived from PostGIS liblwgeom library enhanced to provide librttopo: thread-safety, have less dependencies and be independent from PostGIS librttopo: release cycles. librttopo: The RT Topology Library was funded by "Regione Toscana - SITA" librttopo: (CIG: 6445512CC1), which also funded many improvements in the librttopo: originating liblwgeom. librttopo: