public static bool WriteOsmDataToXml(OsmData osmData, string outputFileName, double minLon, double minLat, double maxLon, double maxLat)
{
if (!Directory.Exists(Constants.Constants.FileFolder))
{
Directory.CreateDirectory(Constants.Constants.FileFolder);
}
if (osmData == null)
{
return(false);
}
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
using (XmlWriter outputWriter = XmlWriter.Create($"{Constants.Constants.FileFolder}{Path.DirectorySeparatorChar}{outputFileName}", settings))
{
outputWriter.WriteStartElement("osm");
WriteBounds(outputWriter, osmData.bounds);
WriteNodes(outputWriter, osmData.Nodes);
WriteWays(outputWriter, osmData.Ways);
WriteRelations(outputWriter, osmData.Relations);
outputWriter.WriteEndElement();
}
return(true);
}
private OsmData[] SortData(string strInputData, double decible, double nLonOrg, double nLatOrg, string strAdminpwd)
{
//let's convert the OSM string points output to array and sort it according to QuickSort methodology
string[] strArray = strInputData.Split(Environment.NewLine.ToCharArray());
strArray = strArray.Where(x => !string.IsNullOrEmpty(x)).ToArray();
OsmData[] array = new OsmData[strArray.Length];
for (int i = 0; i < strArray.Length - 1; i++)
{
var values = strArray[i + 1].Split(',');
//let's parse all the items from the string in each line
//and store each value in the dedicated variable
array[i].ItemId = Convert.ToInt64(values[0]);
array[i].nLat = Convert.ToDouble(values[2]);
array[i].nLon = Convert.ToDouble(values[1]);
array[i].Category = Convert.ToString(values[3]);
array[i].SubCategory = Convert.ToString(values[4]);
array[i].Name = Convert.ToString(values[5]);
}
//let's run quick sort algorithm
//left side the strat of the array - right end of the array
Quick_Sort(ref array, 0, array.Length - 1);
//let's remove close points in the array to reduce point cloud intensity
//OsmData[] arrayNoDuplicates = RemoveDuplicated(array);
//let's calculate distances and decibles for each point
//CalculateDistanceAndDecibleEqu(ref arrayNoDuplicates, nLonOrg, nLatOrg);
CalculateDistanceAndDecibleEqu(ref array, decible, nLonOrg, nLatOrg);
//return the data array (OSMdata format)
return(array);
}
private void GetOsmData()
{
new Thread(delegate()
{
OsmData tmpOsmData = OsmParser.Parse(ConfigManager.Instance.FilePath, ConfigManager.Instance.MinLon, ConfigManager.Instance.MinLat, ConfigManager.Instance.MaxLon, ConfigManager.Instance.MaxLat);
lock (osmDataLock)
{
osmData = tmpOsmData;
}
}).Start();
}
private OsmData[] RemoveDuplicated(OsmData[] arr)
{
//let's remove close points from array according to the array sort and comparing between
//following points in the array, in addition we will check for each new point the distance with
//the prevoius points in the new array
OsmData[] newArray = new OsmData[arr.Length];
//we will pass 0,0 coordinates and consider it as empty point
int i = 0, j = 0;
while (arr[i].nLat == 0 && arr[i].nLon == 0)
{
i++;
}
newArray[j] = arr[i];
while (i < arr.Length - 1)
{
//let's get the 1st point in the set and loop the following points to remove close points
//and decrease the density of the points
OsmData nPointValueOrg = arr[i];
OsmData nPointValueNext = arr[i];
while ((distance(nPointValueOrg.nLat, nPointValueOrg.nLon, nPointValueNext.nLat, nPointValueNext.nLon, "K") < 0.2) && (i < arr.Length - 1))
{
i++;
nPointValueNext = arr[i];
}
newArray[j] = arr[i];
nPointValueOrg = newArray[j];
bool bExist = false; int k = j - 1;
//let's check for close points before adding the new far point
//this done because the quick sort is sorting 2 parameters in accuracy of ~70-80%
//we still have cases where far points from the 1st set point could be closed to other
//already inserted points from previous sets
while ((!bExist) && k >= 0)
{
nPointValueNext = newArray[k];
bExist = (distance(nPointValueOrg.nLat, nPointValueOrg.nLon, nPointValueNext.nLat, nPointValueNext.nLon, "K") < 0.2);
k--;
}
if (!bExist)
{
j++;
}
}
//since we had a new smaller array after remove close points, let's resize the array accordingly
Array.Resize <OsmData>(ref newArray, j);
return(newArray);
}
void Start()
{
osmDataLock = new object();
dataParserLock = new object();
dataParserStarted = false;
dataParserFinished = false;
dataManagerFinished = false;
osmData = null;
if (!ConfigManager.Instance.Load(Assets.Scripts.Constants.Constants.ConfigFile))
{
DebugConsoleManager.Instance.UpdateUI(debugConsoleText);
dataManagerFinished = true;
}
}
public void StartCutting()
{
Log = string.Empty;
if (string.IsNullOrWhiteSpace(InputFileName))
{
Log += $"Input file can't be empty { Environment.NewLine}";
return;
}
if (string.IsNullOrWhiteSpace(OutputFileName))
{
Log += $"Output file name can't be empty { Environment.NewLine}";
return;
}
Log += $"Loading osm data form input file{ Environment.NewLine}";
OsmData osmData = null;
try
{
osmData = OsmParser.Parse(InputFileName, _minLon, _minLat, _maxLon, _maxLat);
}
catch (FileNotFoundException e)
{
Log += $"input file not found { Environment.NewLine}";
return;
}
osmData.FillWaysNode();
osmData.RemoveRelationsWithoutMembers();
osmData.RemoveWaysWithoutNodes();
Log += $"Writing osm data to output file{Environment.NewLine}{AppDomain.CurrentDomain.BaseDirectory}{OSMtoSharp.FileManagers.Constants.Constants.FileFolder}{Path.DirectorySeparatorChar}{OutputFileName}{ Environment.NewLine}";
if (OsmXmlWriter.WriteOsmDataToXml(osmData, OutputFileName, _minLon, _minLat, _maxLon, _maxLat))
{
Log += $"Done! { Environment.NewLine}";
}
}
/// <summary>
/// Standard constructor
/// </summary>
public BufferClass()
{
data = new OsmData();
}
public static OsmData Parse(string fileName, double minLon, double minLat, double maxLon, double maxLat)
{
OsmData osmData = new OsmData();
AbstractOsmNode.parent = osmData;
OsmNode currentNode = null;
OsmWay currentWay = null;
OsmRelation currentRelation = null;
bool currentIsNode = false;
bool currentIsWay = false;
bool currentIsRelation = false;
if (!File.Exists(fileName))
{
throw new FileNotFoundException();
}
using (XmlReader reader = XmlReader.Create(fileName))
{
while (reader.Read())
{
if (reader.IsStartElement())
{
if (reader.NodeType == XmlNodeType.Element)
{
if (reader.Name == Constants.Constants.osmNode)
{
try
{
double lat = double.Parse(reader.GetAttribute(Constants.Constants.LatString), CultureInfo.InvariantCulture);
double lon = double.Parse(reader.GetAttribute(Constants.Constants.LonString), CultureInfo.InvariantCulture);
if (osmData.bounds.MinLat <= lat && osmData.bounds.MaxLat >= lat && osmData.bounds.MinLon <= lon && osmData.bounds.MaxLon >= lon)
{
OsmNode newOsmNode = new OsmNode()
{
Id = long.Parse(reader.GetAttribute(Constants.Constants.IdString)),
Point = new Point()
{
Lat = double.Parse(reader.GetAttribute(Constants.Constants.LatString), CultureInfo.InvariantCulture),
Lon = double.Parse(reader.GetAttribute(Constants.Constants.LonString), CultureInfo.InvariantCulture)
}
};
osmData.Nodes.Add(newOsmNode.Id, newOsmNode);
currentNode = newOsmNode;
currentIsNode = true;
currentIsWay = false;
currentIsRelation = false;
}
else
{
currentIsNode = false;
currentIsWay = false;
currentIsRelation = false;
}
}
catch (Exception ex)
{
#if VERBOSE
// Console.WriteLine(ex.Message);
#endif
}
}
else if (reader.Name == Constants.Constants.osmWay)
{
try
{
OsmWay newOsmWay = new OsmWay()
{
Id = long.Parse(reader.GetAttribute(Constants.Constants.IdString)),
};
osmData.Ways.Add(newOsmWay.Id, newOsmWay);
currentWay = newOsmWay;
currentIsNode = false;
currentIsWay = true;
currentIsRelation = false;
}
catch (Exception ex)
{
#if VERBOSE
//Console.WriteLine(ex.Message);
#endif
}
}
else if (reader.Name == Constants.Constants.osmRelation)
{
try
{
OsmRelation newOsmRelation = new OsmRelation()
{
Id = long.Parse(reader.GetAttribute(Constants.Constants.IdString))
};
osmData.Relations.Add(newOsmRelation.Id, newOsmRelation);
currentRelation = newOsmRelation;
currentIsNode = false;
currentIsWay = false;
currentIsRelation = true;
}
catch (Exception ex)
{
#if VERBOSE
//Console.WriteLine(ex.Message);
#endif
}
}
else if (reader.Name == Constants.Constants.osmTag)
{
try
{
string key = reader.GetAttribute(Constants.Constants.KeyString);
string value = reader.GetAttribute(Constants.Constants.ValueString);
TagKeyEnum tagKey = EnumExtensions.GetTagKeyEnum <TagKeyEnum>(key);
if (tagKey != TagKeyEnum.None)
{
if (currentIsNode && currentNode != null)
{
currentNode.Tags[tagKey] = value;
}
else if (currentIsWay && currentWay != null)
{
currentWay.Tags[tagKey] = value;
}
else if (currentIsRelation && currentRelation != null)
{
currentRelation.Tags[tagKey] = value;
}
}
}
catch (Exception ex)
{
#if VERBOSE
// Console.WriteLine(ex.Message);
#endif
}
}
else if (reader.Name == Constants.Constants.osmNd)
{
try
{
long refId = long.Parse(reader.GetAttribute(Constants.Constants.refString));
if (currentWay != null && currentIsWay)
{
currentWay.Nds.Add(refId);
}
}
catch (Exception ex)
{
#if VERBOSE
// Console.WriteLine(ex.Message);
#endif
}
}
else if (reader.Name == Constants.Constants.osmMember)
{
try
{
string role = reader.GetAttribute(Constants.Constants.roleString);
RelationMemberRoleEnum roleEnum = EnumExtensions.GetTagKeyEnum <RelationMemberRoleEnum>(role);
string type = reader.GetAttribute(Constants.Constants.typeString);
RelationMemberTypeEnum typeEnum = EnumExtensions.GetTagKeyEnum <RelationMemberTypeEnum>(type);
if (currentIsRelation && currentRelation != null)
{
currentRelation.Members.Add(new OsmMember()
{
Ref = long.Parse(reader.GetAttribute(Constants.Constants.refString)),
Role = roleEnum,
Type = typeEnum
});
}
}
catch (Exception ex)
{
#if VERBOSE
//Console.WriteLine(ex.Message);
#endif
}
}
else if (reader.Name == Constants.Constants.osmBounds)
{
double fileMinLat;
double fileMinLon;
double fileMaxLat;
double fileMaxLon;
try
{
fileMinLat = double.Parse(reader.GetAttribute(Constants.Constants.MinLatString), System.Globalization.CultureInfo.InvariantCulture);
fileMinLon = double.Parse(reader.GetAttribute(Constants.Constants.MinLonString), System.Globalization.CultureInfo.InvariantCulture);
fileMaxLat = double.Parse(reader.GetAttribute(Constants.Constants.MaxLatString), System.Globalization.CultureInfo.InvariantCulture);
fileMaxLon = double.Parse(reader.GetAttribute(Constants.Constants.MaxLonString), System.Globalization.CultureInfo.InvariantCulture);
}
catch (Exception)
{
throw new Exception("FIle bad bounds");
}
osmData.bounds = new OsmBounds();
if (fileMaxLat <= minLat && fileMaxLon <= minLon && fileMinLat >= maxLat && fileMinLon >= maxLon)
{
break;
}
if (fileMinLat >= minLat)
{
osmData.bounds.MinLat = fileMinLat;
}
else
{
osmData.bounds.MinLat = minLat;
}
if (fileMinLon >= minLon)
{
osmData.bounds.MinLon = fileMinLon;
}
else
{
osmData.bounds.MinLon = minLon;
}
if (fileMaxLat >= maxLat)
{
osmData.bounds.MaxLat = maxLat;
}
else
{
osmData.bounds.MaxLat = fileMaxLat;
}
if (fileMaxLon >= maxLon)
{
osmData.bounds.MaxLon = maxLon;
}
else
{
osmData.bounds.MaxLon = fileMaxLon;
}
}
}
}
}
}
return(osmData);
}
