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This method performs a topological checks:


It checks if there within a radius of all nodes in the network are other nodes, which are not directly connected to the first node.

Usually set radius = 0.005 km or an even smaller value.


Output is a TGISwrite with fields for node and link numbers and the distance from the first node to the node / link. Visually a line is drawn.


It returns the number of records in the result. If no records at all, then no file is generated.


Syntax: FindNonConnected(filename: string; GF: TGISformat; Radius: double): integer


In standard version you are limited to networks with <10000 links.