I'm dealing with a large amount of road data represented with PostGIS Topology types. Anytime I add an edge over another edge, the edge is automatically split and a new node is created at the intersection of the two lines. This creates a problem when I have roads that overlap other roads at bridges or underpasses. Is it possible to prevent edges from automatically being split when inserting an edge using TopoGeo_AddLineString? Or is this an incorrect usage of Topology?
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