public GpxParser(string fileName, TrackPath path)
{
try {
StreamReader sr = new StreamReader(fileName);
string file = sr.ReadToEnd();
sr.Close();
_doc = new XmlDocument();
_doc.LoadXml(file);
XmlNode node = _doc.ChildNodes[0];
foreach (XmlNode n in _doc.ChildNodes) {
if (n.Name == "gpx") { node = n; break; }
}
foreach (XmlNode n in node) {
if (n.Name == "trk") { node = n; break; }
}
foreach (XmlNode n in node) {
if (n.Name == "trkseg") { node = n; break; }
}
foreach (XmlNode n in node.ChildNodes) {
if (n.Name == "trkpt") {
Location loc = new Location(double.Parse(n.Attributes[0].Value)
, double.Parse(n.Attributes[1].Value));
loc.Elevation = double.Parse(n.FirstChild.InnerText);
path.Locations.Add(loc);
}
}
_status = "Read " + path.Locations.Count + " Locations";
} catch (Exception e) {
//_status = e.Message;
_status = "Parsing error, cannot read input file.";
path.Locations.Clear();
}
}
/// <summary>
/// constructor for pathfinder strategy
/// </summary>
public PathfinderStrategy()
{
_turns = new List<Turn>();
_turnImages = new List<Image>();
_pois = new List<PointOfInterest>();
_path = new TrackPath();
_web = new WebInterface();
_cache = new CacheStrategy();
_rideMapFid = new FiducialStrategy();
_turnMapFid = new FiducialStrategy();
_rideMpaPainter = new MapPainter(_rideMapFid);
_turnMapPainter = new MapPainter(_turnMapFid);
}
/// <summary>
/// constructor for pathfinder strategy
/// </summary>
public PathfinderStrategy()
{
_turns = new List <Turn>();
_turnImages = new List <Image>();
_pois = new List <PointOfInterest>();
_path = new TrackPath();
_web = new WebInterface();
_cache = new CacheStrategy();
_rideMapFid = new FiducialStrategy();
_turnMapFid = new FiducialStrategy();
_rideMpaPainter = new MapPainter(_rideMapFid);
_turnMapPainter = new MapPainter(_turnMapFid);
}
/// <summary>
/// Draw locations, begin and end points onto the turn inspector
/// </summary>
/// <param name="image">image of the turn map</param>
/// <param name="path">current turn</param>
/// <returns>image with points drawn on the map</returns>
private void drawOnTurnMap(ref Image image, TrackPath path)
{
_turnMapFid.processImage((Bitmap)image);
//if the fiducial strategy class has located the balloons
//register the image to the UTM locations (UL, LR) _pd is our instance of PathDrawer
if (_turnMapFid.MapLocated)
{
_turnMapFid.setCorrespondence(path.UpperLeft, path.LowerRight);
_turnMapPainter.drawLocations(ref image, path.GeocodeLocations.ToArray());
Location begin = path.GeocodeLocations[0];
Location end = path.GeocodeLocations[path.GeocodeLocations.Count - 1];
_turnMapPainter.drawBeginAndEndPoints(ref image, begin, end);
}
}
/// <summary>
/// returns the map image at index _currentTurn
/// </summary>
public Image getTurnMap(int height, int width)
{
Image image = null;
TrackPath turnPath = new TrackPath();
turnPath.Round = false;
turnPath.Weight = 10;
turnPath.MapType = _path.MapType;
string mapSize = width.ToString() + "x" + height.ToString() + "&";
if (_turns != null && _turns.Count > _currentTurn)
{
for (int i = _turns[_currentTurn].Locs[0].GpxLocation.Index;
i <= _turns[_currentTurn].Locs[2].GpxLocation.Index; i++)
{
turnPath.Locations.Add(_path.Locations[i]);
}
}
turnPath.GeocodeLocations = turnPath.Locations;
// download web image
if (turnPath != null && turnPath.Locations.Count > 0)
{
//incedentally, getting the path string sorts the locations
string turnPathUrl = turnPath.getPathUrlString();
if (_turnImages[_currentTurn] == null)
{
image = _web.downloadImage(_baseMapUrl + mapSize
+ turnPathUrl + "&sensor=false");
if (image == null)
{
_status = _web.Status;
}
else
{
image = new Bitmap(image);
_turnImages[_currentTurn] = image;
}
}
else
{
image = _turnImages[_currentTurn];
}
if (image != null)
{
drawOnTurnMap(ref image, turnPath);
}
}
return(image);
}
public GpxParser(string fileName, TrackPath path)
{
try {
StreamReader sr = new StreamReader(fileName);
string file = sr.ReadToEnd();
sr.Close();
_doc = new XmlDocument();
_doc.LoadXml(file);
XmlNode node = _doc.ChildNodes[0];
foreach (XmlNode n in _doc.ChildNodes)
{
if (n.Name == "gpx")
{
node = n; break;
}
}
foreach (XmlNode n in node)
{
if (n.Name == "trk")
{
node = n; break;
}
}
foreach (XmlNode n in node)
{
if (n.Name == "trkseg")
{
node = n; break;
}
}
foreach (XmlNode n in node.ChildNodes)
{
if (n.Name == "trkpt")
{
Location loc = new Location(double.Parse(n.Attributes[0].Value)
, double.Parse(n.Attributes[1].Value));
loc.Elevation = double.Parse(n.FirstChild.InnerText);
path.Locations.Add(loc);
}
}
_status = "Read " + path.Locations.Count + " Locations";
} catch (Exception e) {
//_status = e.Message;
_status = "Parsing error, cannot read input file.";
path.Locations.Clear();
}
}
/// <summary>
///
/// </summary>
/// <param name="image"></param>
/// <param name="path"></param>
/// <returns>return image of the points drawn on ride map</returns>
private void drawnOnRideMap(ref Image image, TrackPath path)
{
if (_rideMapFid.MapLocated)
{
_rideMpaPainter.drawLocations(ref image, path.GeocodeLocations.ToArray());
if (_turns != null && _turns.Count > 0)
{
_rideMpaPainter.drawTurn(ref image, _turns[_currentTurn]);
}
Location begin = path.GeocodeLocations[0];
Location end = path.GeocodeLocations[path.GeocodeLocations.Count - 1];
_rideMpaPainter.drawBeginAndEndPoints(ref image, begin, end);
if (_pois != null)
{
_rideMpaPainter.drawPointsOfInterest(ref image, _pois.ToArray());
}
}
}
/// <summary>
/// gets a string that represents the list of directions
/// currently formatted using google maps directions as a model
/// </summary>
public static string getDirections(string units, List<Address> locations, List<Turn> turns, TrackPath path)
{
//case for meters, kilometers, and miles
if (locations == null) return "";
StringBuilder _directionsString = null;
if (locations.Count > 0 && turns != null && turns.Count > 0) {
_directionsString = new StringBuilder(("1) Start at " + locations[0].AddressString
+ "\r\ngo " + getDistanceInUnits(turns[0].Distance, units)
+ "\r\nmake a " + turns[0].TurnDirection
+ " at " + turns[0].Locs[2].StreetName + "\r\ntotal: "
+ getDistanceInUnits(turns[0].Locs[1].GpxLocation.Distance, units)
+ "\r\n\r\n"));
for (int i = 1; i < turns.Count - 1; i++)
_directionsString.Append((i + 1) + ") Turn " + turns[i].TurnDirection
+ " at " + turns[i].Locs[2].StreetName + "\r\ngo "
+ getDistanceInUnits(turns[i].Distance, units) + " total: "
+ getDistanceInUnits(turns[i].Locs[1].GpxLocation.Distance, units)
+ "\r\n\r\n");
int last = turns.Count - 1;
if (turns.Count > 1)
_directionsString.Append((last + 1) + ") Turn " + turns[last].TurnDirection
+ " at " + turns[last].Locs[2].StreetName + "\r\ngo "
+ getDistanceInUnits(turns[last].Distance, units) + ", total: "
+ getDistanceInUnits(turns[last].Locs[1].GpxLocation.Distance, units)
+ "\r\n\r\n");
_directionsString.Append("End at " + locations[locations.Count - 1].AddressString
+ "\r\ntotal distance: " + getDistanceInUnits(path.TotalDistance, units));
} else if (locations.Count > 0) {
_directionsString = new StringBuilder("1) Start at " + locations[0].AddressString
+ "\r\n\r\nEnd at " + locations[locations.Count - 1].AddressString
+ "\r\ntotal distance: " + getDistanceInUnits(path.TotalDistance, units));
} else {
if (path.TotalDistance > 0)
_directionsString = new StringBuilder("No internet connection.\r\ntotal distance "
+ getDistanceInUnits(path.TotalDistance, units));
else _directionsString = new StringBuilder("No locations, check your input .gpx file");
}
string temp = _directionsString.ToString().Replace("Turn null", "Go straight");
return temp;
}
public KmlParser(string fileName, TrackPath path)
{
string s = "";
string[] lines;
string[] coords;
string[] splitstrings = { "\r\n", "\n", "\r" };
try {
StreamReader sr = new StreamReader(fileName);
s = sr.ReadToEnd();
sr.Close();
s = s.Substring(s.IndexOf("<coordinates>")
, s.IndexOf("</coordinates>") - s.IndexOf("<coordinates>"));
s = s.Replace("<coordinates>", "");
s = s.Replace("</coordinates>", "");
s = s.Replace(" ", "");
s = s.Trim();
lines = s.Split(splitstrings, StringSplitOptions.None);
// after string processing, have one long string like this:
// -124.058970,43.979150,0.000000\n
// -123.177780,44.048160,0.000000\n
// ...
// so split into lines, then split each line by ','
foreach (string line in lines)
{
coords = line.Split(',');
Location loc = new Location(double.Parse(coords[1]), double.Parse(coords[0]));
loc.Elevation = double.Parse(coords[2]);
path.Locations.Add(loc);
}
_status = "Read " + path.Locations.Count + " locations";
} catch (Exception e) {
//_status = e.Message;
_status = "Parsing error, cannot read input file.";
path.Locations.Clear();
}
}
public KmlParser(string fileName, TrackPath path)
{
string s = "";
string[] lines;
string[] coords;
string[] splitstrings = { "\r\n", "\n", "\r" };
try {
StreamReader sr = new StreamReader(fileName);
s = sr.ReadToEnd();
sr.Close();
s = s.Substring(s.IndexOf("<coordinates>")
, s.IndexOf("</coordinates>") - s.IndexOf("<coordinates>"));
s = s.Replace("<coordinates>", "");
s = s.Replace("</coordinates>", "");
s = s.Replace(" ", "");
s = s.Trim();
lines = s.Split(splitstrings, StringSplitOptions.None);
// after string processing, have one long string like this:
// -124.058970,43.979150,0.000000\n
// -123.177780,44.048160,0.000000\n
// ...
// so split into lines, then split each line by ','
foreach (string line in lines) {
coords = line.Split(',');
Location loc = new Location(double.Parse(coords[1]), double.Parse(coords[0]));
loc.Elevation = double.Parse(coords[2]);
path.Locations.Add(loc);
}
_status = "Read " + path.Locations.Count + " locations";
} catch (Exception e) {
//_status = e.Message;
_status = "Parsing error, cannot read input file.";
path.Locations.Clear();
}
}
/// <summary>
/// gets a string that represents the list of directions
/// currently formatted using google maps directions as a model
/// </summary>
public static string getDirections(string units, List <Address> locations, List <Turn> turns, TrackPath path)
{
//case for meters, kilometers, and miles
if (locations == null)
{
return("");
}
StringBuilder _directionsString = null;
if (locations.Count > 0 && turns != null && turns.Count > 0)
{
_directionsString = new StringBuilder(("1) Start at " + locations[0].AddressString
+ "\r\ngo " + getDistanceInUnits(turns[0].Distance, units)
+ "\r\nmake a " + turns[0].TurnDirection
+ " at " + turns[0].Locs[2].StreetName + "\r\ntotal: "
+ getDistanceInUnits(turns[0].Locs[1].GpxLocation.Distance, units)
+ "\r\n\r\n"));
for (int i = 1; i < turns.Count - 1; i++)
{
_directionsString.Append((i + 1) + ") Turn " + turns[i].TurnDirection
+ " at " + turns[i].Locs[2].StreetName + "\r\ngo "
+ getDistanceInUnits(turns[i].Distance, units) + " total: "
+ getDistanceInUnits(turns[i].Locs[1].GpxLocation.Distance, units)
+ "\r\n\r\n");
}
int last = turns.Count - 1;
if (turns.Count > 1)
{
_directionsString.Append((last + 1) + ") Turn " + turns[last].TurnDirection
+ " at " + turns[last].Locs[2].StreetName + "\r\ngo "
+ getDistanceInUnits(turns[last].Distance, units) + ", total: "
+ getDistanceInUnits(turns[last].Locs[1].GpxLocation.Distance, units)
+ "\r\n\r\n");
}
_directionsString.Append("End at " + locations[locations.Count - 1].AddressString
+ "\r\ntotal distance: " + getDistanceInUnits(path.TotalDistance, units));
}
else if (locations.Count > 0)
{
_directionsString = new StringBuilder("1) Start at " + locations[0].AddressString
+ "\r\n\r\nEnd at " + locations[locations.Count - 1].AddressString
+ "\r\ntotal distance: " + getDistanceInUnits(path.TotalDistance, units));
}
else
{
if (path.TotalDistance > 0)
{
_directionsString = new StringBuilder("No internet connection.\r\ntotal distance "
+ getDistanceInUnits(path.TotalDistance, units));
}
else
{
_directionsString = new StringBuilder("No locations, check your input .gpx file");
}
}
string temp = _directionsString.ToString().Replace("Turn null", "Go straight");
return(temp);
}
/// <summary>
/// Draw locations, begin and end points onto the turn inspector
/// </summary>
/// <param name="image">image of the turn map</param>
/// <param name="path">current turn</param>
/// <returns>image with points drawn on the map</returns>
private void drawOnTurnMap(ref Image image, TrackPath path)
{
_turnMapFid.processImage((Bitmap)image);
//if the fiducial strategy class has located the balloons
//register the image to the UTM locations (UL, LR) _pd is our instance of PathDrawer
if (_turnMapFid.MapLocated) {
_turnMapFid.setCorrespondence(path.UpperLeft, path.LowerRight);
_turnMapPainter.drawLocations(ref image, path.GeocodeLocations.ToArray());
Location begin = path.GeocodeLocations[0];
Location end = path.GeocodeLocations[path.GeocodeLocations.Count - 1];
_turnMapPainter.drawBeginAndEndPoints(ref image, begin, end);
}
}
/// <summary>
///
/// </summary>
/// <param name="image"></param>
/// <param name="path"></param>
/// <returns>return image of the points drawn on ride map</returns>
private void drawnOnRideMap(ref Image image, TrackPath path)
{
if (_rideMapFid.MapLocated) {
_rideMpaPainter.drawLocations(ref image, path.GeocodeLocations.ToArray());
if (_turns != null && _turns.Count > 0) {
_rideMpaPainter.drawTurn(ref image, _turns[_currentTurn]);
}
Location begin = path.GeocodeLocations[0];
Location end = path.GeocodeLocations[path.GeocodeLocations.Count - 1];
_rideMpaPainter.drawBeginAndEndPoints(ref image, begin, end);
if (_pois != null)
_rideMpaPainter.drawPointsOfInterest(ref image, _pois.ToArray());
}
}
/// <summary>
/// returns the map image at index _currentTurn
/// </summary>
public Image getTurnMap(int height, int width)
{
Image image = null;
TrackPath turnPath = new TrackPath();
turnPath.Round = false;
turnPath.Weight = 10;
turnPath.MapType = _path.MapType;
string mapSize = width.ToString() + "x" + height.ToString() + "&";
if (_turns != null && _turns.Count > _currentTurn) {
for (int i = _turns[_currentTurn].Locs[0].GpxLocation.Index;
i <= _turns[_currentTurn].Locs[2].GpxLocation.Index; i++)
turnPath.Locations.Add(_path.Locations[i]);
}
turnPath.GeocodeLocations = turnPath.Locations;
// download web image
if (turnPath != null && turnPath.Locations.Count > 0) {
//incedentally, getting the path string sorts the locations
string turnPathUrl = turnPath.getPathUrlString();
if (_turnImages[_currentTurn] == null) {
image = _web.downloadImage(_baseMapUrl + mapSize
+ turnPathUrl + "&sensor=false");
if (image == null) _status = _web.Status;
else {
image = new Bitmap(image);
_turnImages[_currentTurn] = image;
}
} else {
image = _turnImages[_currentTurn];
}
if (image != null)
drawOnTurnMap(ref image, turnPath);
}
return image;
}
