Re: [jgrapht-users] Edge weights

[Rushang K. <rus...@ho...>]

I am at work right now and do not remember if such a function exists (not worked on weighted graphs a lot). I guess there should be such a function since your problem is quite intuitive.

However,
If no such function exists then you could overload the addEdge() to specify a weight for the WeightedGraph.
The function would be

DefaultWeightedEdge  <V, E> addEdge(V v1, V v2, E weight)
{
	DefaultWeightedEdge e1 = super.addEdge(v1, v2);
	this.setEdgeWeight(e1, weight)
	If(error) return null else return the edge.
}

I am sorry if my reply is brief but I am a bit busy right now. If you need more detailed instructions feel free to reply.

-----Original Message-----
From: fee...@gm... [mailto:fee...@gm...] 
Sent: Wednesday, July 01, 2015 4:05 PM
To: jgr...@li...
Subject: [jgrapht-users] Edge weights

Hi there,  

I’m a newbie using Jgrapht… .My problem  has to do with a large weighted graph (about 2000 edges)   and the assignation of its weights.

All I wanna ask is whether or not weights for a graph can be assigned dynamically  (a loop) rather than static (one by on)...like:

DefaultWeightedEdge e1 = graph.addEdge("vertex1", "vertex2”); graph.setEdgeWeight(e1, 5);

(I’d have to write this thousand times…. )


Thanks.

Phil


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