Exemple #1
0
        public void UpdateGrid()
        {
            double monoisotopicMass =
                Workspace.GetAminoAcidFormulas().GetMonoisotopicMass(PeptideAnalysis.Peptide.Sequence);
            var masses = PeptideAnalysis.GetTurnoverCalculator().GetMzs(0);

            if (MassColumn == null)
            {
                MassColumn = new DataGridViewTextBoxColumn
                {
                    HeaderText = "Mass",
                    Name       = "colMass",
                    Width      = 60,
                    ReadOnly   = true,
                };
                Columns.Add(MassColumn);
            }
            if (ExcludedColumn == null)
            {
                ExcludedColumn = new DataGridViewCheckBoxColumn
                {
                    HeaderText = "Excluded",
                    Name       = "colExcluded",
                    Width      = 50,
                    SortMode   = DataGridViewColumnSortMode.NotSortable,
                };
                Columns.Add(ExcludedColumn);
            }
            if (Rows.Count != PeptideAnalysis.GetMassCount())
            {
                Rows.Clear();
                Rows.Add(PeptideAnalysis.GetMassCount());
                for (int iRow = 0; iRow < Rows.Count; iRow++)
                {
                    Rows[iRow].Tag = iRow;
                }
            }
            for (int iRow = 0; iRow < Rows.Count; iRow++)
            {
                var    row            = Rows[iRow];
                var    iMass          = (int)row.Tag;
                double massDifference = masses[iMass].Center - monoisotopicMass;

                var label = massDifference.ToString("0.#");
                if (label[0] != '-')
                {
                    label = "+" + label;
                }
                label = "M" + label;
                row.Cells[MassColumn.Index].Value           = label;
                row.Cells[MassColumn.Index].ToolTipText     = "Mass:" + masses[iMass];
                row.Cells[MassColumn.Index].Style.BackColor = TracerChromatogramForm.GetColor(iRow, Rows.Count);
                row.Cells[ExcludedColumn.Index].Value       = ExcludedMasses.IsMassExcluded(iMass);
            }
        }
        protected virtual ICollection <int> GetSelectedMasses()
        {
            var result    = new List <int>();
            int massCount = PeptideAnalysis.GetMassCount();

            for (int i = 0; i < massCount; i++)
            {
                result.Add(i);
            }
            return(result);
        }
        void DisplaySpectrum(int scanIndex)
        {
            if (!TopographForm.Instance.EnsureMsDataFile(PeptideFileAnalysis.MsDataFile, true))
            {
                return;
            }
            SpectrumForm spectrumForm;

            spectrumForm = new SpectrumForm(PeptideFileAnalysis.MsDataFile)
            {
                ScanIndex = scanIndex,
            };
            spectrumForm.SetPeptideAnalysis(PeptideAnalysis);
            spectrumForm.Show(TopLevelControl);
            double minMz           = 2000;
            double maxMz           = 0;
            var    selectedCharges = GetSelectedCharges();
            var    selectedMasses  = GetSelectedMasses();

            for (int charge = PeptideAnalysis.MinCharge; charge <= PeptideAnalysis.MaxCharge; charge++)
            {
                if (selectedCharges.Count > 0 && !selectedCharges.Contains(charge))
                {
                    continue;
                }
                for (int iMass = 0; iMass < PeptideAnalysis.GetMassCount(); iMass++)
                {
                    if (selectedMasses.Count > 0 && !selectedMasses.Contains(iMass))
                    {
                        continue;
                    }
                    var mzRange = PeptideAnalysis.GetMzs()[charge][iMass];
                    minMz = Math.Min(minMz, mzRange.Min);
                    maxMz = Math.Max(maxMz, mzRange.Max);
                }
            }
            if (minMz <= maxMz)
            {
                spectrumForm.Zoom(minMz - 1, maxMz + 1);
            }
        }
Exemple #4
0
        protected void ShowChromatograms()
        {
            if (MsGraphControl.GraphPane == null)
            {
                // TODO: How can this happen?
                return;
            }
            MsGraphControl.GraphPane.GraphObjList.Clear();
            MsGraphControl.GraphPane.CurveList.Clear();
            var selectedCharges  = gridIntensities.GetSelectedCharges();
            var selectedMasses   = gridIntensities.GetSelectedMasses();
            var chromatograms    = PeptideFileAnalysis.ChromatogramSet;
            var mzRanges         = PeptideFileAnalysis.TurnoverCalculator.GetMzs(0);
            var monoisotopicMass = Workspace.GetAminoAcidFormulas().GetMonoisotopicMass(PeptideAnalysis.Peptide.Sequence);

            for (int charge = PeptideAnalysis.MinCharge; charge <= PeptideAnalysis.MaxCharge; charge++)
            {
                if (selectedCharges.Count > 0 && !selectedCharges.Contains(charge))
                {
                    continue;
                }
                for (int iMass = 0; iMass < PeptideAnalysis.GetMassCount(); iMass++)
                {
                    var    mzKey          = new MzKey(charge, iMass);
                    double massDifference = mzRanges[iMass].Center - monoisotopicMass;

                    var label = massDifference.ToString("0.#");
                    if (label[0] != '-')
                    {
                        label = "+" + label;
                    }
                    label  = "M" + label;
                    label += new string('+', charge);

                    if (selectedMasses.Count > 0)
                    {
                        if (!selectedMasses.Contains(iMass))
                        {
                            continue;
                        }
                    }
                    else
                    {
                        if (ExcludedMasses.IsExcluded(mzKey.MassIndex))
                        {
                            continue;
                        }
                    }
                    ChromatogramSetData.Chromatogram chromatogram;
                    if (!chromatograms.Chromatograms.TryGetValue(mzKey, out chromatogram))
                    {
                        continue;
                    }
                    var graphItem = new ChromatogramGraphItem
                    {
                        Title = label,
                    };
                    graphItem.Color = TracerChromatogramForm.GetColor(iMass, PeptideAnalysis.GetMassCount());
                    var mzRange      = PeptideFileAnalysis.TurnoverCalculator.GetMzs(mzKey.Charge)[mzKey.MassIndex];
                    var massAccuracy = PeptideAnalysis.GetMassAccuracy();
                    var intensities  = chromatogram.ChromatogramPoints.Select(point => point.GetIntensity(mzRange, massAccuracy)).ToArray();
                    if (Smooth)
                    {
                        intensities = TracerChromatograms.SavitzkyGolaySmooth(intensities);
                    }
                    PointPairList points = new PointPairList(chromatograms.Times, intensities);
                    graphItem.Points = points;
                    var lineItem = (LineItem)MsGraphControl.AddGraphItem(MsGraphControl.GraphPane, graphItem);
                    lineItem.Line.Style      = TracerChromatogramForm.GetDashStyle(charge - PeptideAnalysis.MinCharge);
                    lineItem.Line.Width      = Settings.Default.ChromatogramLineWidth;
                    lineItem.Label.IsVisible = false;
                }
            }
        }