public void SelfTest()
        {
            var lsc = new LeastSquareCalculator();

            lsc.Add(1, -1);
            lsc.Add(4, 11);
            lsc.Add(-1, -9);
            lsc.Add(-2, -13);

            Debug.Assert(lsc.Sloppe == 4);
            Debug.Assert(lsc.Ordinate == -5);
        }
Exemple #2
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        private void ButtonCalculateSlopeAndOrdinateClick(object sender, EventArgs e)
        {
            Cursor = Cursors.WaitCursor;
            try
            {
                DbReader.ExecuteNonQuery("exec TV_UpdateContainsValidTimeFlag");
                _atc.Clear();
                _atc.LoadFromDb();

                string currentTrack = "";
                string currentSurface = "";
                string currentTrackDesc = "";

                _projectionVariables = new List<ProjectionVariables>();

                LeastSquareCalculator lsq = null;
                foreach (var at in _atc)
                {
                    if (at.TrackCode != currentTrack || at.Surface != currentSurface)
                    {
                        if (null != lsq)
                        {
                            _projectionVariables.Add(new ProjectionVariables() {TrackCode = currentTrack, Surface = currentSurface, Slope = lsq.Sloppe, Ordinate = lsq.Ordinate, TrackDesc = currentTrackDesc});
                        }

                        currentTrack = at.TrackCode;
                        currentSurface = at.Surface;
                        currentTrackDesc = at.TrackDesc;
                        lsq = new LeastSquareCalculator();
                    }

                    lsq.Add(at.Distance, at.FinalTime);
                }

                if (null != lsq)
                {
                    _projectionVariables.Add(new ProjectionVariables() {TrackCode = currentTrack, Surface = currentSurface, Slope = lsq.Sloppe, Ordinate = lsq.Ordinate, TrackDesc = currentTrackDesc});
                }

                _gridProjectionVariables.DataSource = _projectionVariables;
            }
            catch (Exception exception)
            {
                MessageBox.Show(exception.Message);
            }
            finally
            {
                Cursor = Cursors.Default;
            }
        }