///// <summary>
///// Create a new object as copy of this instance.
///// </summary>
//public override Coordinate Copy()
//{
// return new CoordinateZ(X, Y, Z);
//}
/// <summary>
/// Computes the 3-dimensional Euclidean distance to another location.
/// </summary>
/// <param name="c">A <see cref="CoordinateZ"/> with which to do the distance comparison.</param>
/// <returns>the 3-dimensional Euclidean distance between the locations.</returns>
public double Distance3D(CoordinateZ c)
{
double dx = X - c.X;
double dy = Y - c.Y;
double dz = Z - c.Z;
if (double.IsNaN(dz))
{
dz = 0;
}
return(Math.Sqrt(dx * dx + dy * dy + dz * dz));
}
/// <summary>
/// Tests if another CoordinateZ has the same value for Z, within a tolerance.
/// </summary>
/// <param name="c">A <see cref="CoordinateZ"/>.</param>
/// <param name="tolerance">The tolerance value.</param>
/// <returns><c>true</c> if the Z ordinates are within the given tolerance.</returns>
public bool EqualInZ(CoordinateZ c, double tolerance)
{
return(EqualsWithTolerance(this.Z, c.Z, tolerance));
}
/// <summary>
/// Returns <c>true</c> if <paramref name="other"/>
/// has the same values for X, Y and Z.
/// </summary>
/// <param name="other">A <see cref="CoordinateZ"/> with which to do the 3D comparison.</param>
/// <returns>
/// <c>true</c> if <paramref name="other"/> is a <see cref="CoordinateZ"/>
/// with the same values for X, Y and Z.
/// </returns>
public bool Equals3D(CoordinateZ other)
{
return((X == other.X) && (Y == other.Y) &&
((Z == other.Z) || (double.IsNaN(Z) && double.IsNaN(other.Z))));
}