private void CreateRoads(XDocument doc, Canvas canvas)
{
foreach (var way in doc.Root.Elements("way"))
{
bool isRoad = false;
foreach (var tag in way.Elements("tag"))
{
if (tag.Attribute("k").Value == "highway")
{
isRoad = true;
}
if (tag.Attribute("k").Value == "aeroway")
{
isRoad = true;
}
}
if (isRoad)
{
List <Point> points = new List <Point>();
foreach (var nd in way.Elements("nd"))
{
Point point = NodePosition(long.Parse(nd.Attribute("ref").Value));
point = new Point(canvas.Width * 0.5 - point.X, canvas.Height * 0.5 + point.Y);
points.Add(point);
}
var road = OsmUIElements.CreateRoad(points, way);
canvas.Children.Add(road);
}
}
}
