Example #1
0
        /// <summary>
        /// Returns the Alignment Function that the processor determined
        /// </summary>
        /// <returns></returns>
        public LcmsWarpAlignmentFunction GetAlignmentFunction()
        {
            var func = new LcmsWarpAlignmentFunction(_options.CalibrationType, _options.AlignType);

            List <double> aligneeNets;
            List <double> referenceNets;

            _lcmsWarp.AlignmentFunction(out aligneeNets, out referenceNets);

            if (_aligningToMassTagDb)
            {
                func.SetNetFunction(aligneeNets, referenceNets);
            }
            else
            {
                var referenceScans = referenceNets.Select(
                    rNet => _minReferenceDatasetScan + rNet * (_maxReferenceDatasetScan - _minReferenceDatasetScan)).ToList();

                var referenceTimes = referenceNets.Select(
                    rNet => _minReferenceDatasetTime + rNet * (_maxReferenceDatasetTime - _minReferenceDatasetTime)).ToList();

                func.SetNetFunction(aligneeNets, referenceNets, referenceScans, referenceTimes);
            }

            if (_options.AlignType == LcmsWarpAlignmentType.NET_WARP)
            {
                return(func);
            }

            var minAligneeNet = _lcmsWarp.MinNet;
            var maxAligneeNet = _lcmsWarp.MaxNet;

            // Get the mass calibration function with time
            var numXSlices = _options.MassCalibNumXSlices;

            if (_options.CalibrationType == LcmsWarpCalibrationType.NetRegression ||
                _options.CalibrationType == LcmsWarpCalibrationType.Both)
            {
                // get the PPM for each X slice

                var aligneeNetMassFunc      = new List <double>();
                var aligneePpmShiftMassFunc = new List <double>();

                for (var sliceIndex = 0; sliceIndex < numXSlices; sliceIndex++)
                {
                    var net = minAligneeNet + ((maxAligneeNet - minAligneeNet) * sliceIndex) / numXSlices;
                    aligneeNetMassFunc.Add(net);
                    aligneePpmShiftMassFunc.Add(_lcmsWarp.GetPpmShiftFromNet(net));
                }
                func.SetMassCalibrationFunctionWithNet(aligneeNetMassFunc, aligneePpmShiftMassFunc);
            }

            if (_options.CalibrationType == LcmsWarpCalibrationType.MzRegression ||
                _options.CalibrationType == LcmsWarpCalibrationType.Both)
            {
                // Get the ppm for each X slice

                var aligneeMzMassFunc       = new List <double>();
                var aligneePpmShiftMassFunc = new List <double>();

                for (var sliceIndex = 0; sliceIndex < numXSlices; sliceIndex++)
                {
                    var net = sliceIndex * 1.0 / numXSlices;
                    var mz  = _minAligneeDatasetMz + (int)((_maxAligneeDatasetMz - _minAligneeDatasetMz) * net);
                    aligneeMzMassFunc.Add(mz);
                    aligneePpmShiftMassFunc.Add(_lcmsWarp.GetPpmShiftFromMz(mz));
                }
                func.SetMassCalibrationFunctionWithMz(aligneeMzMassFunc, aligneePpmShiftMassFunc);
            }
            return(func);
        }
Example #2
0
        /// <summary>
        /// Returns the Alignment Function that the processor determined
        /// </summary>
        /// <returns></returns>
        public LcmsWarpAlignmentFunction GetAlignmentFunction()
        {
            var func = new LcmsWarpAlignmentFunction(Options.CalibrationType, Options.AlignType);

            var aligneeNets   = new List <double>();
            var referenceNets = new List <double>();

            m_lcmsWarp.AlignmentFunction(ref aligneeNets, ref referenceNets);

            if (AligningToMassTagDb)
            {
                func.SetNetFunction(ref aligneeNets, ref referenceNets);
            }
            else
            {
                var referenceScans = new List <double>();
                var numSections    = referenceNets.Count;
                for (var sectionNum = 0; sectionNum < numSections; sectionNum++)
                {
                    referenceScans.Add(m_minReferenceDatasetScan + referenceNets[sectionNum] * (m_maxReferenceDatasetScan - m_minReferenceDatasetScan));
                }
                func.SetNetFunction(ref aligneeNets, ref referenceNets, ref referenceScans);
            }

            if (Options.AlignType == AlignmentType.NET_WARP)
            {
                return(func);
            }

            var minAligneeNet = m_lcmsWarp.MinNet;
            var maxAligneeNet = m_lcmsWarp.MaxNet;

            // Get the mass calibration function with time
            var numXKnots               = Options.MassCalibNumXSlices;
            var aligneeMzMassFunc       = new List <double>();
            var aligneeNetMassFunc      = new List <double>();
            var aligneePpmShiftMassFunc = new List <double>();

            if (Options.CalibrationType == LcmsWarpCalibrationType.ScanRegression ||
                Options.CalibrationType == LcmsWarpCalibrationType.Both)
            {
                // get the PPM for each knot
                for (var knotNum = 0; knotNum < numXKnots; knotNum++)
                {
                    var net = minAligneeNet + ((maxAligneeNet - minAligneeNet) * knotNum) / numXKnots;
                    var ppm = m_lcmsWarp.GetPpmShiftFromNet(net);
                    aligneeNetMassFunc.Add(net);
                    aligneePpmShiftMassFunc.Add(ppm);
                }
                func.SetMassCalibrationFunctionWithTime(ref aligneeNetMassFunc, ref aligneePpmShiftMassFunc);
            }

            if (Options.CalibrationType != LcmsWarpCalibrationType.MzRegression &&
                Options.CalibrationType != LcmsWarpCalibrationType.Both)
            {
                return(func);
            }


            // Get the ppm for each knot
            for (var knotNum = 0; knotNum < numXKnots; knotNum++)
            {
                var net = knotNum * 1.0 / numXKnots;
                var mz  = m_minAligneeDatasetMz + (int)((m_maxAligneeDatasetMz - m_minAligneeDatasetMz) * net);
                var ppm = m_lcmsWarp.GetPpmShiftFromMz(mz);
                aligneeMzMassFunc.Add(mz);
                aligneePpmShiftMassFunc.Add(ppm);
            }
            func.SetMassCalibrationFunctionWithMz(aligneeMzMassFunc, aligneePpmShiftMassFunc);
            return(func);
        }