/// <summary>
/// Returns True if connecting two provided data point based on cross side is possible otherwise False
/// </summary>
/// <param name="dataSeries"></param>
/// <param name="startIndex">The first point index in data series</param>
/// <param name="endIndex">The second point index in data series</param>
/// <param name="direction">The line direction, is it on up direction or low direction?</param>
/// <returns>bool</returns>
public static bool IsConnectionPossible(this DataSeries dataSeries, int startIndex, int endIndex, Direction direction)
{
if (startIndex >= endIndex)
{
throw new ArgumentException("The 'startIndex' must be less than 'secondPointIndex'");
}
var slope = dataSeries.GetSlope(startIndex, endIndex);
var counter = 0;
for (var i = startIndex + 1; i <= endIndex; i++)
{
counter++;
if (direction == Direction.Up && dataSeries[i] < dataSeries[startIndex] + slope * counter)
{
return(false);
}
else if (direction == Direction.Down && dataSeries[i] > dataSeries[startIndex] + slope * counter)
{
return(false);
}
}
return(true);
}