Added FAIMS CV

Author: caetera

Writer/MzMlSpectrumWriter.cs

@@ -1147,6 +1147,7 @@ private SpectrumType ConstructMSSpectrum(int scanNumber)
             int? charge = null;
             double? monoisotopicMz = null;
             double? ionInjectionTime = null;
+            double? FAIMSCV = null;
             List<double> SPSMasses = new List<double>();
             for (var i = 0; i < trailerData.Length; i++)
             {
@@ -1170,6 +1171,12 @@ private SpectrumType ConstructMSSpectrum(int scanNumber)
                         CultureInfo.CurrentCulture);
                 }
 
+                if (trailerData.Labels[i] == "FAIMS CV:")
+                {
+                    FAIMSCV = double.Parse(trailerData.Values[i], NumberStyles.Any,
+                        CultureInfo.CurrentCulture);
+                }
+
                 //tune version < 3 produced trailer entry like "SPS Mass #", one entry per mass
                 if (SPSentry.IsMatch(trailerData.Labels[i]))
                 {
@@ -1286,6 +1293,18 @@ private SpectrumType ConstructMSSpectrum(int scanNumber)
                 cvRef = "MS"
             });
 
+            //FAIMS
+            if(FAIMSCV != null)
+            {
+                spectrumCvParams.Add(new CVParamType
+                {
+                    name = "FAIMS compensation voltage",
+                    accession = "MS:1001581",
+                    value = FAIMSCV.ToString(),
+                    cvRef = "MS"
+                });
+            }
+
             double? basePeakMass;
             double? basePeakIntensity;
             double? lowestObservedMz = null;