/// <summary>
/// Get the direction for the velocity. Use the parameter
/// to determine if the Y axis is North or East.
/// </summary>
/// <param name="isYNorth">Set flag if you want Y axis to be North or East.</param>
/// <param name="bin">Bin to get the Velocity Direction.</param>
/// <returns>Direction of the velocity in degrees. If any velocities were bad, return -1.</returns>
public double GetVelocityDirection(bool isYNorth, int bin)
{
try
{
// Ensure the velocities are good
if (ShipVelocityData.GetLength(1) >= 3)
{
if ((ShipVelocityData[bin, DataSet.Ensemble.BEAM_EAST_INDEX] != Ensemble.BAD_VELOCITY) &&
(ShipVelocityData[bin, DataSet.Ensemble.BEAM_NORTH_INDEX] != Ensemble.BAD_VELOCITY) &&
(ShipVelocityData[bin, DataSet.Ensemble.BEAM_VERTICAL_INDEX] != Ensemble.BAD_VELOCITY))
{
if (isYNorth)
{
//return (Math.Atan2(EarthVelocityData[Bin, 1], EarthVelocityData[Bin, 0])) * (180 / Math.PI);
return(MathHelper.CalculateDirection(ShipVelocityData[bin, DataSet.Ensemble.BEAM_NORTH_INDEX], ShipVelocityData[bin, DataSet.Ensemble.BEAM_EAST_INDEX]));
}
else
{
//return (Math.Atan2(EarthVelocityData[Bin, 0], EarthVelocityData[Bin, 1])) * (180 / Math.PI);
return(MathHelper.CalculateDirection(ShipVelocityData[bin, DataSet.Ensemble.BEAM_EAST_INDEX], ShipVelocityData[bin, DataSet.Ensemble.BEAM_NORTH_INDEX]));
}
}
}
return(-1);
}
catch (System.IndexOutOfRangeException)
{
// When the display is changing from one dataset to another,
// the number of bins could change and then it could select out of range.
return(-1);
}
}
/// <summary>
/// Calculate the magnitude of the velocity. Use Earth form East, North and Vertical velocity to
/// calculate the value.
/// </summary>
/// <param name="bin">Bin to get the Velocity Magnitude.</param>
/// <returns>Magnitude of Velocity. If any velocities were bad, DataSet.AdcpDataSet.BAD_VELOCITY is returned.</returns>
public double GetVelocityMagnitude(int bin)
{
try
{
// Ensure the velocities are good
if (ShipVelocityData.GetLength(1) >= 3)
{
if ((ShipVelocityData[bin, DataSet.Ensemble.BEAM_EAST_INDEX] != Ensemble.BAD_VELOCITY) &&
(ShipVelocityData[bin, DataSet.Ensemble.BEAM_NORTH_INDEX] != Ensemble.BAD_VELOCITY) &&
(ShipVelocityData[bin, DataSet.Ensemble.BEAM_VERTICAL_INDEX] != Ensemble.BAD_VELOCITY))
{
return(MathHelper.CalculateMagnitude(ShipVelocityData[bin, DataSet.Ensemble.BEAM_EAST_INDEX], ShipVelocityData[bin, DataSet.Ensemble.BEAM_NORTH_INDEX], ShipVelocityData[bin, DataSet.Ensemble.BEAM_VERTICAL_INDEX]));
}
}
return(DataSet.Ensemble.BAD_VELOCITY);
}
catch (System.IndexOutOfRangeException)
{
// When the display is changing from one dataset to another,
// the number of bins could change and then it could select out of range.
return(DataSet.Ensemble.BAD_VELOCITY);
}
}
