public Map(string filename, Competition parentCompetition)
: base()
{
Bitmap image = new Bitmap(filename);
GpsPoint topLeftPoint;
GpsPoint bottomRightPoint;
double topLeftLatitude;
double topLeftLongitude;
double bottomRightLatitude;
double bottomRightLongitude;
string[] coordinatesFromPath = filename.Remove(filename.LastIndexOf(".")).Substring(filename.LastIndexOf(@"\") + 1).Split("_".ToCharArray());
foreach (string coordinate in coordinatesFromPath)
{
if (coordinate.Length != 6 || coordinate == null || coordinate == string.Empty)
{
throw (new FormatException("Coordinates in image name not in correct format!"));
}
}
topLeftLongitude = Convert.ToDouble(coordinatesFromPath[0]);
topLeftLatitude = Convert.ToDouble(coordinatesFromPath[1]);
bottomRightLongitude = Convert.ToDouble(coordinatesFromPath[2]);
bottomRightLatitude = Convert.ToDouble(coordinatesFromPath[3]);
topLeftPoint = new GpsPoint(topLeftLatitude, topLeftLongitude, GpsPointFormatImport.Swiss);
bottomRightPoint = new GpsPoint(bottomRightLatitude, bottomRightLongitude, GpsPointFormatImport.Swiss);
this.image = image;
this.mapName = filename;
this.topLeftPoint = topLeftPoint;
this.bottomRightPoint = bottomRightPoint;
this.parcoursCollection = new ParcoursCollection();
this.parentCompetition = parentCompetition;
}
/// <summary>
/// Creates a Map Object.
///
/// </summary>
/// <param name="image">Bitmap Image of the Location, corresponding to the GPS-Points</param>
/// <param name="topLeftPoint">GPS Point with the Coordinates of the upper Left Point on the Map Image</param>
/// <param name="bottomRightPoint">GPS Point with the Coordinates of the lower Right Point on the Map Image</param>
public Map(Bitmap image, GpsPoint topLeftPoint, GpsPoint bottomRightPoint, Competition parentCompetition)
{
this.Image = image;
this.TopLeftPoint = topLeftPoint;
this.BottomRightPoint = bottomRightPoint;
this.parcoursCollection = new ParcoursCollection();
this.parentCompetition = parentCompetition;
}
/// <summary>
/// Returns true if the specified Gate was passed between the GPSPoints p1, p2
/// </summary>
/// <param name="gate"></param>
/// <param name="p1"></param>
/// <param name="p2"></param>
/// <returns></returns>
public bool gatePassed(GpsPoint p1, GpsPoint p2)
{
double Ax = this.LeftPoint.Longitude;
double Ay = this.LeftPoint.Latitude;
double Bx = this.RightPoint.Longitude;
double By = this.RightPoint.Latitude;
double Cx = p1.Longitude;
double Cy = p1.Latitude;
double Dx = p2.Longitude;
double Dy = p2.Latitude;
//double* X, double* Y
double distAB, theCos, theSin, newX, ABpos;
// Fail if either line segment is zero-length.
if (Ax == Bx && Ay == By || Cx == Dx && Cy == Dy) return false;
// Fail if the segments share an end-point.
if (Ax == Cx && Ay == Cy || Bx == Cx && By == Cy
|| Ax == Dx && Ay == Dy || Bx == Dx && By == Dy)
{
return false;
}
// (1) Translate the system so that point A is on the origin.
Bx -= Ax;
By -= Ay;
Cx -= Ax;
Cy -= Ay;
Dx -= Ax;
Dy -= Ay;
// Discover the length of segment A-B.
distAB = Math.Sqrt(Bx * Bx + By * By);
// (2) Rotate the system so that point B is on the positive X axis.
theCos = Bx / distAB;
theSin = By / distAB;
newX = Cx * theCos + Cy * theSin;
Cy = Cy * theCos - Cx * theSin;
Cx = newX;
newX = Dx * theCos + Dy * theSin;
Dy = Dy * theCos - Dx * theSin;
Dx = newX;
// Fail if segment C-D doesn't cross line A-B.
if (Cy < 0.0 && Dy < 0.0 || Cy >= 0.0 && Dy >= 0.0)
return false;
// (3) Discover the position of the intersection point along line A-B.
ABpos = Dx + (Cx - Dx) * Dy / (Dy - Cy);
// Fail if segment C-D crosses line A-B outside of segment A-B.
if (ABpos < 0.0 || ABpos > distAB)
return false;
else
{
return true;
}
}
public Gate(GpsPoint leftPoint, GpsPoint rightPoint)
: base()
{
this.LeftPoint = leftPoint;
this.RightPoint = rightPoint;
}
public bool MissedGate( GpsPoint p1, GpsPoint p2)
{
Gate extendedGate = new Gate();
double m = (p1.Latitude - p2.Latitude) / (p1.Longitude - p2.Longitude);
extendedGate.LeftPoint.Longitude += 10000;
extendedGate.LeftPoint.Latitude += 10000* m;
extendedGate.RightPoint.Longitude += 10000;
extendedGate.rightPoint.Latitude += 10000 * m;
return gatePassed(p1, p2);
}
public bool Contains(GpsPoint item)
{
return items.Contains(item);
}
public void Add(GpsPoint item)
{
items.Add(item);
}
public void Remove(GpsPoint item)
{
items.Remove(item);
}
public void AddGpsPoint(GpsPoint gpsPoint)
{
gpsPoints.Add(gpsPoint);
}
public Gate getExtendedGate(Gate gate)
{
double k = 200; //distance to middle point
GpsPoint m = new GpsPoint((gate.LeftPoint.Latitude + gate.RightPoint.Latitude) / 2, (gate.LeftPoint.Longitude + gate.RightPoint.Longitude) / 2, GpsPointFormatImport.WGS84);
double alpha = Math.Atan((gate.LeftPoint.Latitude - gate.RightPoint.Latitude) / (gate.LeftPoint.Longitude + gate.RightPoint.Longitude));
GpsPoint p1 = new GpsPoint(m.Latitude - (k * Math.Cos(alpha - (Math.PI / 2))), m.Longitude - (k * Math.Sin(alpha - (Math.PI / 2))), GpsPointFormatImport.WGS84);
GpsPoint p2 = new GpsPoint(m.Latitude + (k * Math.Cos((Math.PI / 2) - alpha)), m.Longitude + (k * Math.Sin((Math.PI / 2) - alpha)), GpsPointFormatImport.WGS84);
return new Gate(p1, p2);
}
