Topology - Family of Functions¶
The pgRouting’s topology of a network, represented with an edge table with source and target attributes and a vertices table associated with it. Depending on the algorithm, you can create a topology or just reconstruct the vertices table, You can analyze the topology, We also provide a function to node an unoded network.
pgr_createTopology - to create a topology based on the geometry.
pgr_createVerticesTable - to reconstruct the vertices table based on the source and target information.
pgr_analyzeGraph - to analyze the edges and vertices of the edge table.
pgr_analyzeOneWay - to analyze directionality of the edges.
pgr_nodeNetwork -to create nodes to a not noded edge table.
Proposed functions for next mayor release.
They are not officially in the current release.
They will likely officially be part of the next mayor release:
The functions make use of ANY-INTEGER and ANY-NUMERICAL
Name might not change. (But still can)
Signature might not change. (But still can)
Functionality might not change. (But still can)
pgTap tests have being done. But might need more.
Documentation might need refinement.
pgr_extractVertices – Proposed - Extracts vertices information based on the source and target.
Indices and tables