Removed dead files
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7f06a6f880
commit
29189c5d8d
@ -1,14 +0,0 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net7.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<RootNamespace>OSMServer</RootNamespace>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\OSMDatastructure\OSMDatastructure.csproj" />
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</ItemGroup>
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</Project>
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@ -1,25 +0,0 @@
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using OSMDatastructure;
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namespace OSMImporter;
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internal class RegionCollection
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{
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private readonly Dictionary<ulong, Region> _regions = new();
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public Region GetRegion(Coordinates coordinates)
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{
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if(this._regions.ContainsKey(coordinates.GetRegionHash()))
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return this._regions[coordinates.GetRegionHash()];
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else
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{
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Region newRegion = new Region(coordinates);
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this._regions.Add(newRegion.regionHash, value: newRegion);
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return newRegion;
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}
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}
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public Region[] GetAllRegions()
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{
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return this._regions.Values.ToArray();
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}
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}
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@ -1,183 +0,0 @@
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using System.Globalization;
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using System.Text;
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using System.Xml;
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using OSMDatastructure;
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namespace OSMImporter
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{
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public static class XmlImporter
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{
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private static readonly XmlReaderSettings readerSettings = new()
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{
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IgnoreWhitespace = true,
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IgnoreComments = true
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};
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private static readonly NumberFormatInfo coordinateFormat = new NumberFormatInfo()
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{
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NumberDecimalSeparator = "."
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};
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public static void Split(string xmlFilePath, string outputFolderPath)
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{
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if (!File.Exists(xmlFilePath))
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throw new FileNotFoundException();
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FileStream xmlFileStream = File.OpenRead(xmlFilePath);
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Console.WriteLine("Reading ways once...");
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Dictionary<ulong, Node?> nodes = ReturnNodeIdDictionary(XmlReader.Create(xmlFileStream, readerSettings));
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xmlFileStream.Position = 0;
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RegionCollection regionCollection = new RegionCollection();
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Console.WriteLine("Reading nodes...");
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LoadNodesIntoDictionary(ref nodes, XmlReader.Create(xmlFileStream, readerSettings), ref regionCollection);
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xmlFileStream.Position = 0;
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Console.WriteLine("Reading ways twice...");
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CreateConnections(XmlReader.Create(xmlFileStream, readerSettings), ref nodes);
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Console.WriteLine("Writing...");
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foreach(Region region in regionCollection.GetAllRegions())
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WriteRegion(region, outputFolderPath);
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}
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private static Dictionary<ulong, Node?> ReturnNodeIdDictionary(XmlReader xmlReader)
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{
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Dictionary<ulong, Node?> retSet = new Dictionary<ulong, Node?>();
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while (xmlReader.ReadToFollowing("way"))
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{
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XmlReader wayReader = xmlReader.ReadSubtree();
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bool addNodes = false;
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HashSet<string> nodeIds = new();
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while (wayReader.Read())
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{
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if (xmlReader.IsStartElement() && xmlReader.Name.Equals("nd"))
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{
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nodeIds.Add(wayReader.GetAttribute("ref")!);
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}
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else if (xmlReader.IsStartElement() && !addNodes && xmlReader.Name.Equals("tag") && xmlReader.GetAttribute("k")!.Equals("highway"))
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{
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addNodes = true;
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}
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}
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wayReader.Close();
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if (addNodes)
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{
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foreach (string nodeId in nodeIds)
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{
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retSet.TryAdd(Convert.ToUInt64(nodeId), null);
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}
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}
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}
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xmlReader.Close();
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return retSet;
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}
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private static void LoadNodesIntoDictionary(ref Dictionary<ulong, Node?> nodes, XmlReader xmlReader, ref RegionCollection regionCollection)
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{
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while (xmlReader.ReadToFollowing("node"))
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{
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ulong id = Convert.ToUInt64(xmlReader.GetAttribute("id"));
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if (nodes.ContainsKey(id))
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{
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float lat = Convert.ToSingle(xmlReader.GetAttribute("lat")!, coordinateFormat);
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float lon = Convert.ToSingle(xmlReader.GetAttribute("lon")!, coordinateFormat);
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Node newNode = new Node(lat, lon);
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nodes[id] = newNode;
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regionCollection.GetRegion(newNode).AddNode(id, newNode);
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}
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}
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xmlReader.Close();
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}
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private static void CreateConnections(XmlReader xmlReader, ref Dictionary<ulong, Node?> nodes)
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{
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while (xmlReader.ReadToFollowing("way"))
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{
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XmlReader wayReader = xmlReader.ReadSubtree();
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HashSet<ulong> nodesInWay = new ();
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Dictionary<string, string> tags = new ();
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bool addNodes = false;
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while (wayReader.Read())
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{
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if (wayReader.IsStartElement() && wayReader.Name.Equals("nd"))
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{
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nodesInWay.Add(Convert.ToUInt64(wayReader.GetAttribute("ref")));
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}
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else if (wayReader.IsStartElement() && wayReader.Name.Equals("tag"))
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{
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if (wayReader.GetAttribute("k")!.Equals("highway"))
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{
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addNodes = true;
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}
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tags.Add(wayReader.GetAttribute("k")!, value: wayReader.GetAttribute("v")!);
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}
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}
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wayReader.Close();
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if (addNodes)
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{
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ConnectNodesOfWay(nodes, nodesInWay.ToArray(), tags);
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}
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}
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xmlReader.Close();
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}
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private static void ConnectNodesOfWay(Dictionary<ulong, Node?> nodes, ulong[] nodeIds,
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Dictionary<string, string> tags)
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{
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string oneWayString = tags.ContainsKey("oneway") ? tags["oneway"] : "no";
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bool oneWay = false;
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bool forward = true;
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switch (oneWayString)
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{
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case "yes":
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oneWay = true;
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break;
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case "-1":
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forward = false;
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break;
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}
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for (int i = 0; i < nodeIds.Length - 1; i++)
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{
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if (oneWay)
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{
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if(nodes.ContainsKey(nodeIds[i]))
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nodes[nodeIds[i]]!.AddConnection(new Connection(nodeIds[i + 1], nodes[nodeIds[i + 1]]!, tags));
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if(nodes.ContainsKey(nodeIds[i + 1]))
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nodes[nodeIds[i + 1]]!.AddConnection(new Connection(nodeIds[i], nodes[nodeIds[i]]!, tags));
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}
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else if (forward)
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{
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if(nodes.ContainsKey(nodeIds[i]))
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nodes[nodeIds[i]]!.AddConnection(new Connection(nodeIds[i + 1], nodes[nodeIds[i + 1]]!, tags));
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}
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else
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{
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if(nodes.ContainsKey(nodeIds[i + 1]))
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nodes[nodeIds[i + 1]]!.AddConnection(new Connection(nodeIds[i], nodes[nodeIds[i]]!, tags));
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}
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}
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}
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private static void WriteRegion(Region region, string outputFolderPath)
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{
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if (!Directory.Exists(outputFolderPath))
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Directory.CreateDirectory(outputFolderPath);
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string fileName = region.regionHash.ToString();
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string fullPath = Path.Combine(outputFolderPath, fileName);
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if (!File.Exists(fullPath))
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File.Create(fullPath).Close();
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FileStream fileStream = new FileStream(fullPath, FileMode.Append);
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fileStream.Write(ByteConverter.GetBytes(region));
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fileStream.Close();
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}
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}
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}
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