The RT Topology Library exposes an API to create and manage standard (ISO 13249 aka SQL/MM) topologies using user-provided [data stores] (doc/DATASTORES.md) and released under the GNU GPL license (version 2 or later).
The code is derived from PostGIS liblwgeom library enhanced to provide thread-safety, have less dependencies and be independent from PostGIS release cycles.
The RT Topology Library was funded by “Regione Toscana - SITA” (CIG: 6445512CC1), which also funded many improvements in the originating liblwgeom.
| Package Version | Update ID | Released | Package Hub Version | Platforms | Subpackages |
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| 1.1.0-bp156.4.4 info | GA Release | 2023-12-07 | 15 SP6 |
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| 1.1.0-bp155.3.14 info | GA Release | 2023-05-22 | 15 SP5 |
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| 1.1.0-bp154.2.3.1 info | openSUSE-2022-10042 | 2022-07-06 | 15 SP4 Update |
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| 1.1.0-bp154.1.22 info | GA Release | 2022-05-12 | 15 SP4 |
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