Hy I'm new so firt of all sorry for my bad explanation. I have a network and I need to isolate/remove all the road (edge) that are non connected with the rest of the network (at the moment I'm not interserting in the attribute of the road ex name, trf, restrictions, type of the road, importance of the road etc etc) so I want ot obtain a "clean" network Thx in advance for your support Francesco
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