Thanks, Maira!  I'm at a conference right now and so can't easily do a 

double-check and bugfix.  But we'll get it updated soon enough.



Sean



Maíra Athanázio Gatti wrote:

> Hi all,

> 

> I have found a bug in NetworkPortrayal2D.

> I am using the (sim.field.network.)Network field with a Continuous2D field.

> If I use a network directed graph, everything happens fine. But if it is 

> an undirected graph, when the NetworkPortrayal2D is going to draw it, it 

> includes an edge from every node to itself. It was happenning because 

> for each node, it gets all edges and for each node.out of the edge, it 

> tries to draw it. Then if the node.out is not the original node (what 

> would happen for the edges entering into the original node), than we 

> have the bug!

> 

> To fix the problem I put this (italic) statement:

> 

> Bag nodes = field.network.getAllNodes();

> for (int x = 0; x < nodes.numObjs; x++) {

> ...

>     for (int y = 0; y < edges.numObjs; y++) {

>     ...

> /    if ( (locStop == locStart) && (edge.from() != nodes.objs[x])) continue;

> /    ...

>     }

> }

> 

> 

> which means, if the stop location is the same then the start location 

> BUT node.out is different from edge.node.out then it skips drawing it.

> If there are "self-edges node" it will work fine, since edge.from will 

> be equal to nodes.objs[x].

> 

> Well, now everything is working fine.

> 

> Cheers,

> 

> -- 

> Maíra Athanázio de C. Gatti

> PhD student, PUC-Rio, Brazil

> King's College London