//------------------------------------------------------------------------
//Implements the service methods calling the
public void HeapHull()
{
int nb = NbPoints - NbPointThrown;
Point[] rawPoints = new Point[nb];
System.Array.Copy(SamplePoints, NbPointThrown, rawPoints, 0, nb);
double elapsedTime = 0;
// ELapsed time come from c function: "double omp_get_wtime( );" which return a double that represent the amount of seconds.
int indexHull = NativeConvexHullApi.heaphull2WithElapsedTime(rawPoints, nb, ref elapsedTime);
TimeSpan = TimeSpanHelper.MoreAccurateTimeSpanFromSeconds(elapsedTime);
//copy the data to the Hull Array
NbPointsHull = nb - indexHull;
HullPoints = new Point[NbPointsHull];
System.Array.Copy(rawPoints, indexHull, HullPoints, 0, NbPointsHull);
}
//-----------------------------------------------------------------------
public void ChanHull()
{
int nb = NbPoints - NbPointThrown;
//Point[] rawPoints = new Point[nb];
//System.Array.Copy(SamplePoints, NbPointThrown, rawPoints, 0, nb);
double elapsedTime = 0;
if (SamplePoints == null || SamplePoints.Length == 0)
{
NbPointsHull = 0;
HullPoints = new Point[0];
return;
}
int indexHull = NativeConvexHullApi.chanhullWithElapsedTime(SamplePoints, nb, ref elapsedTime);
TimeSpan = TimeSpanHelper.MoreAccurateTimeSpanFromSeconds(elapsedTime);
//copy the data to the Hull Array
NbPointsHull = nb - indexHull;
HullPoints = new Point[NbPointsHull];
System.Array.Copy(SamplePoints, indexHull, HullPoints, 0, NbPointsHull);
}
//-----------------------------------------------------------------------
public void GenerateVline()
{
NativeConvexHullApi.generate_vline_points(SamplePoints, NbPoints);
}
//-----------------------------------------------------------------------
public void GenerateSquarePoints()
{
NativeConvexHullApi.generate_square_points(SamplePoints, NbPoints);
}
//-----------------------------------------------------------------------
public void GenerateCirclPoints()
{
NativeConvexHullApi.generate_circle_points(SamplePoints, NbPoints);
}
//-----------------------------------------------------------------------
public void GenerateDiskPoints()
{
NativeConvexHullApi.generate_disk_points(SamplePoints, NbPoints);
}
//-----------------------------------------------------------------------
public void ThrowAway()
{
NbPointThrown = NativeConvexHullApi.throwaway_heuristic(SamplePoints, NbPoints);
}