public override bool Equals(object obj)
{
if (!(obj is Point other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
if (IsValid != other.IsValid)
{
return(false);
}
if (!IsValid)
{
return(true);
}
return(Longitude.AlmostEqual(other.Longitude) && Latitude.AlmostEqual(other.Latitude));
}