/// <summary>
/// Constructor.
/// </summary>
/// <param name="node">Xml node</param>
public OsmNode(XmlNode node)
{
// 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 = (float)MercatorProjection.lonToX(Longitude);
Y = (float)MercatorProjection.latToY(Latitude);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="node">Xml node</param>
public OsmBounds(XmlNode node)
{
// Get the values from the node
MinLat = GetAttribute <float>("minlat", node.Attributes);
MaxLat = GetAttribute <float>("maxlat", node.Attributes);
MinLon = GetAttribute <float>("minlon", node.Attributes);
MaxLon = GetAttribute <float>("maxlon", node.Attributes);
// Create the centre location
float x = (float)((MercatorProjection.lonToX(MaxLon) + MercatorProjection.lonToX(MinLon)) / 2);
float y = (float)((MercatorProjection.latToY(MaxLat) + MercatorProjection.latToY(MinLat)) / 2);
Centre = new Vector3(x, 0, y);
}
/// <summary>
/// Load the OpenMap data resource file.
/// </summary>
/// <param name="resourceFile">Path to the resource file. The file must exist.</param>
public void Read(string resourceFile)
{
nodes = new Dictionary <ulong, OsmNode>();
ways = new List <OsmWay>();
var xmlText = File.ReadAllText(resourceFile);
XmlDocument doc = new XmlDocument();
doc.LoadXml(xmlText);
SetBounds(doc.SelectSingleNode("/osm/bounds"));
GetNodes(doc.SelectNodes("/osm/node"));
GetWays(doc.SelectNodes("/osm/way"));
float minx = (float)MercatorProjection.lonToX(bounds.MinLon);
float maxx = (float)MercatorProjection.lonToX(bounds.MaxLon);
float miny = (float)MercatorProjection.latToY(bounds.MinLat);
float maxy = (float)MercatorProjection.latToY(bounds.MaxLat);
}