This function detects groups of streets with the same road name, that are also connected to each other. This can be used for later joining of all records within the same group, so a specific road can be highlighted on a map with a single click:
RoadnameID defines the database with road names to use with the function.
The "group by" value for each link in the network can be extracted with function ResultGetLink / ResultSaveLink.
The total number of groups are returned by the function.
Possible error codes: -10 -49
Versions: Pro
ActiveX / VCL / CLX component: RWcalc