SubNet |
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This method calculates which part of a network is a subnet. A subnet is defined as a part of the network, which isn't connected to the rest of the network. It can typically be an island without a ferry or a similar situation.
This is done with IgnoreOneWay set to true temporarily, so one-way restrictions may in fact make even more links in-accessible. See function SubNetEx on how to detect such situations.
Similarly any limits are also temporarily set to 0 while doing the calculations.
IA returns the subnet ID for each link, while the method returns the number of subnets.
0 = main net 1, 2, 3... = sub nets
The main net is defined as the one with the most links.
See also SubNetLimits, SubNetEx and SubNetSimple
Syntax: SubNet(var IA: TIntegerArray): integer
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