public List <DisplayNode> TranslateTrail(Trail trail)
{
displayNodes = new List <DisplayNode> ();
List <OSMNode> nodes = trail.GetNodeList();
for (int i = 0; i < nodes.Count - 1; i++)
{
OSMNode node = nodes[i];
OSMNode nextNode = nodes[i + 1];
AddDisplayNode(node);
AddDisplayNode(node, nextNode);
}
OSMNode lastNode = nodes[nodes.Count - 1];
AddDisplayNode(lastNode);
return(displayNodes);
}