public static OSM_Structs.Min_Max GetMinMax(string path)
{
OSM_Structs.Min_Max mm = new OSM_Structs.Min_Max(-40.0f, -160.0f, 69.0f, 20.0f);
if (!File.Exists(path))
{
mm.status = false;
return(mm);
}
using (XmlReader reader = XmlReader.Create(path))
{
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
if (reader.Name.Equals("node"))
{
if (reader.HasAttributes)
{
String lt = reader.GetAttribute("lat");
String lg = reader.GetAttribute("lon");
float t_lt;
float t_lg;
if (float.TryParse(lt, out t_lt) && float.TryParse(lg, out t_lg))
{
if (t_lg > mm.max_x)
{
mm.max_x = t_lg;
}
if (t_lg < mm.min_x)
{
mm.min_x = t_lg;
}
if (t_lt > mm.max_y)
{
mm.max_y = t_lt;
}
if (t_lt < mm.min_y)
{
mm.min_y = t_lt;
}
}
}
}
else if (reader.Name.Equals("way"))
{
break;
}
break;
}
}
}
mm.status = true;
return(mm);
}
static void Main(string[] args)
{
double size = 4096;
string path = ".\\newyork.dot";
string osm_path = "C:\\Users\\admin\\Downloads\\new-york-latest.osm";
List <string> store = new List <string>();
path = Functions.Check_Filename(path, 0);
OSM_Structs.Min_Max MM = Functions.GetMinMax(osm_path);
if (!MM.status)
{
Console.WriteLine("The file does {0} not exist.", osm_path);
return;
}
Functions.Build_Dot_File(store, osm_path, MM, size, path);
File.AppendAllLines(path, store);
File.AppendAllText(path, "}");
}
public static void Build_Dot_File(
List <string> store,
string path,
OSM_Structs.Min_Max mm,
double size,
string out_path
)
{
string first_point = null;
string second_point = null;
float Z = mm.min_x - mm.max_x;
float C = mm.min_y - mm.max_y;
using (XmlReader reader = XmlReader.Create(path))
{
while (reader.Read())
{
if (store.Count > 500000)
{
Console.WriteLine("Here");
File.AppendAllLines(out_path, store);
store.Clear();
}
switch (reader.NodeType)
{
case XmlNodeType.Element:
if (reader.Name.Equals("node"))
{
if (reader.HasAttributes)
{
String lt = reader.GetAttribute("lat");
String lg = reader.GetAttribute("lon");
float flt;
float flg;
float.TryParse(lt, out flt);
float.TryParse(lg, out flg);
float x = ((mm.max_x - flg) / (Z)) * (float)size;
float y = ((mm.max_y - flt) / (C)) * (float)size;
//Console.WriteLine(x + " " + y);
store.Add(reader.GetAttribute("id") + " [pos = \"" + x + "," + y + "!\"];");
}
}
else if (reader.Name.Equals("nd"))
{
if (first_point == null)
{
first_point = reader.GetAttribute("ref");
}
else
{
second_point = reader.GetAttribute("ref");
store.Add(first_point + " -> " + second_point + " [];");
first_point = second_point;
second_point = null;
}
}
break;
case XmlNodeType.EndElement:
if (reader.Name.Equals("way"))
{
first_point = null;
second_point = null;
}
break;
}
}
}
}
