/// <summary>
/// Sets all the info about the buildings and landuses into their lists
/// </summary>
private void getBuildingsAndLanduses() {
FileInfo fileInfo = new FileInfo(OSMFILE);
XmlOsmStreamSource xmlSource = new XmlOsmStreamSource(fileInfo.OpenRead());
xmlSource.Initialize();
while (xmlSource.MoveNextWay()) {
OsmSharp.Osm.Way way = (OsmSharp.Osm.Way)xmlSource.Current();
if ((way != null) && (way.Visible.HasValue) && (bool)(way.Visible) && (way.Tags != null)) {
// Info about buildings
if (way.Tags.ContainsKey("building")) {
List<long> buildingNodes = new List<long>();
int height = 10; // Standard height is 10
string amenity = "";
// Check amenity and if it is a church
if (way.Tags.ContainsKey("amenity")) {
amenity = way.Tags["amenity"];
if (amenity == "place_of_worship") height = 25;
}
// Check height
if (way.Tags.ContainsKey("height")) {
height = (int)(float.Parse(way.Tags["height"], System.Globalization.CultureInfo.InvariantCulture));
} else if (way.Tags.ContainsKey("building:levels")) {
string[] verdiepen = way.Tags["building:levels"].Split('-');
height = 3 * Convert.ToInt32(verdiepen[verdiepen.Length - 1]);
amenity = "apartment";
}
foreach (long id in way.Nodes) buildingNodes.Add(id);
buildings.Add(new Building(buildingNodes, height, amenity, ZOOM));
}
// Info about landuses
if (way.Tags.ContainsKey("landuse")) {
List<long> landuseNodes = new List<long>();
foreach (long id in way.Nodes) landuseNodes.Add(id);
landuses.Add(new Landuse(landuseNodes, 0, way.Tags["landuse"], ZOOM));
}
}
}
xmlSource.Dispose();
}
/// <summary>
/// Reads an osmGeo object from disk.
/// </summary>
/// <param name="id"></param>
/// <param name="type"></param>
private OsmGeo Read(long id, OsmGeoType type)
{
XmlOsmStreamSource source = new XmlOsmStreamSource(this.StoreFileName(id, type));
List<OsmGeo> readObjects = new List<OsmGeo>(source);
source.Dispose();
if (readObjects != null && readObjects.Count == 1)
{
return readObjects[0];
}
throw new InvalidDataException("Invalid cached file read, make sure not to modify the cached while in use or to synchonize access.");
}
