/// <summary>
/// Sets all the nodes into the global variable nodes
/// </summary>
private void getNodes()
{
xmlSource.Initialize();
while (xmlSource.MoveNextNode())
{
OsmSharp.Osm.Node node = (OsmSharp.Osm.Node)xmlSource.Current();
if ((node != null) && (node.Id.HasValue && (node.Visible.HasValue) && (bool)(node.Visible)))
{
nodes.Add((long)node.Id, node);
}
}
}
