// /// <summary>
// /// Implicit conversion between OsmNode and Vector3.
// /// </summary>
// /// <param name="node">OsmNode instance</param>
// public static implicit operator Coordinates (OsmNode node)
// {
// return new Coordinates(node.X, node.Y, 0);
// }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="node">Xml node</param>
public OsmNode(XmlNode node, OsmNode firstNode)
{
// Get the attribute values
Id = GetAttribute <ulong>("id", node.Attributes);
Latitude = GetAttribute <float>("lat", node.Attributes);
Longitude = GetAttribute <float>("lon", node.Attributes);
// Calculate the position in Unity units
X = MercatorProjection.lonToX(Longitude) * 0.1f;
Y = MercatorProjection.latToY(Latitude) * 0.1f;
if (firstNode == null)
{
coords = new Coordinates(MapReader.offsetX, 0, MapReader.offsetY);
}
else
{
coords = new Coordinates((X - firstNode.X) + MapReader.offsetX, 0, (Y - firstNode.Y) + MapReader.offsetY);
}
XmlNodeList tags = node.SelectNodes("tag");
foreach (XmlNode t in tags)
{
string key = GetAttribute <string>("k", t.Attributes);
if (key == "highway")
{
string value = GetAttribute <string>("v", t.Attributes);
if (value == "bus_stop")
{
isBusStop = true;
}
}
else if (key == "naptan:AtcoCode")
{
string value = GetAttribute <string>("v", t.Attributes);
actoCode = value;
}
}
if (isBusStop && actoCode == "")
{
//throw new System.Exception("Is bus stop but no actoCode: node " + Id);
isBusStop = false;
}
}
void setClosestNodes()
{
foreach (ulong busStopId in busStops.Values)
{
double shortestDistance = 9999999;
ulong bestNodeId = 0;
OsmNode busStopNode = nodes[busStopId];
foreach (ulong roadNodeId in roadNodes)
{
OsmNode roadNode = nodes[roadNodeId];
double distance = Managed.Coords.Dist(busStopNode.coords, roadNode.coords);
if (distance < shortestDistance)
{
shortestDistance = distance;
bestNodeId = roadNodeId;
}
}
nearestRoadNodesToBusStops[busStopId] = bestNodeId;
}
}
void GetNodes(XmlNodeList xmlNodeList)
{
OsmNode firstNode = null;
foreach (XmlNode n in xmlNodeList)
{
OsmNode node = new OsmNode(n, firstNode);
if (firstNode == null)
{
firstNode = node;
originX = node.X;
originY = node.Y;
}
nodes[node.Id] = node;
if (node.isBusStop)
{
busStops[node.actoCode] = node.Id;
}
}
}
