gistfile1.cs

for (int i = 0; i <= numPartitions; i++)
{
    Coordinate newCoord = IdealizedValleyFillCTL.ShiftPointAlongLine(
        seg.P0,
        (seg.P1.Y - seg.P0.Y) / (seg.P1.X - seg.P0.X),
        seg.Length / numPartitions * i,
        direction); if (i == numPartitions)
        yield return newCoord;
}