public bool BBox(double left, double bottom, double right, double top)
{
var mapRequest = OsmMapUrl + "bbox=" + left.ToString() + "," + bottom.ToString() + "," + right.ToString() + "," + top.ToString();
Xdoc = MakeRequest(mapRequest);
if (!Xdoc.Equals(null))
{
Tile = new TileBound(Mercator.ToMeters(top, left), Mercator.ToMeters(bottom, right));
Buildings();
return(true);
}
return(false);
}
public BuildingPart BuildPart(XElement way, bool volume = true)
{
var tags = way.Descendants("tag")
.ToDictionary(
tag => tag.Attribute("k").Value, // add key
tag => tag.Attribute("v").Value); // add value
// Building creation
var buildingPart = new BuildingPart(
tags.ContainsKey("name") ? tags["name"] : "",
Convert.ToInt64(way.Attribute("id").Value));
// Outline construction
// TODO check if closed?
foreach (var elt in way.Descendants("nd"))
{
// find node that matches ways' node ref
var query = (from node in Xdoc.Descendants("node")
where (string)node.Attribute("id") == (string)elt.Attribute("ref")
select node).First();
var pos = Mercator.ToMeters(Convert.ToDouble(query.Attribute("lat").Value), Convert.ToDouble(query.Attribute("lon").Value));
var x = pos.X - Tile.Center.X;
var y = pos.Y - Tile.Center.Y;
buildingPart.Outline.Add(new Vector2(x, y));
}
// Part data
PartData part;
part.volume = volume;
part.height = float.Parse(tags.ContainsKey("height") ? Regex.Match(tags["height"], @"\d+").Value : "-1", CultureInfo.InvariantCulture);
part.min_height = float.Parse(tags.ContainsKey("min_height") ? Regex.Match(tags["min_height"], @"\d+").Value : "-1", CultureInfo.InvariantCulture);
part.levels = Convert.ToInt16(tags.ContainsKey("building:levels") ? tags["building:levels"] : "-1");
part.min_level = Convert.ToInt16(tags.ContainsKey("building:min_level") ? tags["building:min_level"] : "-1");
buildingPart.Data = part;
Surface surf;
surf.colour = tags.ContainsKey("building:colour") ? tags["building:colour"] : "";
surf.material = tags.ContainsKey("building:material") ? tags["building:material"] : "";
buildingPart.PartSurface = surf;
return(buildingPart);
}
