Common.StatisticalMetrics, FeatureVectorCalculator: changes, SignalChart added, temporarily disabled in IperlHead, ver. 2.26.1771

Common/Common.csproj

@@ -43,6 +43,7 @@
   <ItemGroup>
     <Compile Include="BackgroundBeep.cs" />
     <Compile Include="Enums.cs" />
+    <Compile Include="StatisticalMetrics.cs" />
     <Compile Include="Iperl\OptoTelegramRaw.cs" />
     <Compile Include="SerializableDictionary.cs" />
     <Compile Include="UIControls\CoolButtonCtrl.cs">

Common/Iperl/OptoTelegramRaw.cs

@@ -35,7 +35,7 @@ namespace Common.Iperl
 		public float RefFlow;			/// [m3/h]
 		public int Counter;				
 
-		public UInt32 EmfRaw;			/// From iPerl opto data
+		public Int32 EmfRaw;			/// Signed EMF from iPerl opto data
 		public Int16 MagneticFieldRaw;
 		public Int16 FlowRaw;
 		public UInt32 VolumeRaw;
@@ -50,8 +50,7 @@ namespace Common.Iperl
 		///
 		public double EMF()
 		{
-			Int32 signedEmf = (EmfRaw > 0x7FFFFF) ? ((int)EmfRaw - 0x1000000) : (int)EmfRaw;
+            return 0.000000333 * (double)EmfRaw;
-			return 0.000000333 * (double)signedEmf;
 		}
 		public double MagneticField() { return (double)MagneticFieldRaw; }
 		public double Flow(double scalingFactor) { return 0.225 * scalingFactor * (double)FlowRaw; }
@@ -120,7 +119,10 @@ namespace Common.Iperl
 				return false;
 			}
 
-			bool f1 = UInt32.TryParse(telegram.Substring(0, 6), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out EmfRaw);
+            UInt32 uEmfRaw;
+            bool f1 = UInt32.TryParse(telegram.Substring(0, 6), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out uEmfRaw);
+            EmfRaw = (uEmfRaw > 0x7FFFFF) ? ((int)uEmfRaw - 0x1000000) : (int)uEmfRaw;
+
 			bool f2 = Int16.TryParse(telegram.Substring(7, 4), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out MagneticFieldRaw);
 			bool f3 = Int16.TryParse(telegram.Substring(12, 4), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out FlowRaw);
 			bool f4 = UInt32.TryParse(telegram.Substring(17, 6), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out VolumeRaw);
@@ -243,7 +245,7 @@ namespace Common.Iperl
 									DateTime.Second.ToString("D2"),
 									DateTime.Millisecond.ToString("D4"),
 									Counter,
-									EmfRaw.ToString("X6"),
+									(EmfRaw & 0x00FFFFFF).ToString("X6"),
 									MagneticFieldRaw.ToString("X4"),
 									FlowRaw.ToString("X4"),
 									VolumeRaw.ToString("X6"),

Common/StatisticalMetrics.cs

@@ -0,0 +1,338 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Common.Iperl;
+
+namespace Common
+{
+    public static class Extensions
+    {
+        public static float[] SubArray(this float[] array, int offset, int length)
+        {
+            float[] result = new float[length];
+            Array.Copy(array, offset, result, 0, length);
+            return result;
+        }
+    }
+
+    public class StatisticalMetrics
+    {
+        const int VectorSize = 7;
+        const int MinLength = 100;
+        const float AdcBit = (float)57e-9;
+        const int NeighbourhoodSize = 30;       /// To determine extended outliers
+
+        /// <summary>
+        /// Calculates a 7-dimensional vector with these components:
+        /// x[0] = X1 = Number of outliers
+        /// x[1] = X2 = Relative cal-factor shift due to outliers
+        /// x[2] = X3 = Standard deviation of high-pass filteres ++++ demodulation of EMF (cut-off at Nyquist frequency)
+        /// x[3] = X4 = Robust standard deviation of high-pass filtered ++++ demodulation
+        /// x[4] = X5 = Peak-to-peak of low-pass filtered ++++ demodulation of EMF (cut-off TBD)
+        /// x[5] = X6 = Peak-to-peak of reference flow rate
+        /// x[6] = X7 = Mean impedance (++-- demodulation)
+        /// </summary>
+        /// <param name="optoData"></param>
+        /// <param name="optoDataCount"></param>
+        /// <param name="startIx"></param>
+        /// <param name="endIx"></param>
+        /// <returns></returns>
+        public static float[] Calculate(OptoTelegramRaw[] optoData, int optoDataCount, int startIx, int endIx, bool downsample,
+                                        out float[] offsetV, out float[] kOhmsR, out float[] kOhmsC, out float[] dutFlow,
+                                        out float[] refFlow, out float[] flowRatio, out float[] magField, out float[] emfV,
+                                        out PointF[] outliers, out PointF[] extendedOutliers)
+        {
+            offsetV = kOhmsR = kOhmsC = dutFlow = refFlow = flowRatio = magField = emfV = null;
+            outliers = extendedOutliers = null;
+
+            if (optoData == null || optoData.Length < optoDataCount ||
+                startIx < 0 || endIx >= optoDataCount || endIx <= startIx + MinLength + 3) return null;
+
+            float[] modulatedData = GetModulatedEmf(optoData, optoDataCount, AdcBit);
+
+            FindShiftAndDemodulate(modulatedData, downsample,
+                                   new float[] { +1, +1, +1, +1 }, out offsetV,
+                                   new float[] { +1, +1, -1, -1 }, out kOhmsR,
+                                   new float[] { +1, -1, -1, +1 }, out kOhmsC,
+                                   new float[] { +1, -1, +1, -1 }, out dutFlow);
+            //offsetV = FirFilter(modulatedData, new float[] { 1, 3, 4, 4, 3, 1}, 0.0625F); 
+
+            magField = GetMagField(optoData, optoDataCount, downsample, new float[] { 1, 1, 1, 1 });
+            
+            refFlow = GetRefFlow(optoData, optoDataCount, downsample, new float[] { 1, 1, 1, 1 });
+            
+            flowRatio = new float[Math.Min(dutFlow.Length, refFlow.Length)];
+            for (int i = 0; i < flowRatio.Length; i++)
+            {
+                flowRatio[i] = (refFlow[i] != 0) ? dutFlow[i] / refFlow[i] : 1;
+            }
+
+
+            float[] x = new float[VectorSize];
+
+            /// X1 = Number of outliers
+            int outliersCount = GetOutliers(flowRatio, out outliers, out extendedOutliers);
+
+            
+            /// X2 = Relative cal-factor shift due to outliers
+
+            /// X3 = Standard deviation of high-pass filteres ++++ demodulation of EMF (cut-off at Nyquist frequency)
+
+            /// X4 = Robust standard deviation of high-pass filtered ++++ demodulation
+            
+            /// X5 = Peak-to-peak of low-pass filtered ++++ demodulation of EMF (cut-off TBD)
+            
+            /// X6 = Peak-to-peak of reference flow rate
+            
+            /// X7 = Mean impedance (++-- demodulation)
+            double sum = 0;
+            foreach (var z in kOhmsR) sum += z;
+            x[6] = Convert.ToSingle(sum / kOhmsR.Length);
+
+            return x;
+        }
+
+
+        static float[] GetModulatedEmf(OptoTelegramRaw[] optoData, int optoDataCount, float factor)
+        {
+            if (optoData == null || optoDataCount < 0) return null;
+
+            float[] result = new float[optoDataCount];
+            for (int i = 0; i < optoDataCount; i++)
+            {
+                result[i] = optoData[i].EmfRaw * factor;
+            }
+            return result;
+        }
+
+
+        static float[] GetMagField(OptoTelegramRaw[] optoData, int optoDataCount, bool downsample, float[] kernel)
+        {
+            if (optoData == null || optoDataCount < 0 || (downsample && (kernel == null || kernel.Length < 4))) return null;
+
+            int resultLen = downsample ? (optoDataCount / 4) : optoDataCount;
+            float[] result = new float[resultLen];
+
+            if (downsample)
+            {
+                float ksum = 0;
+                for (int j = 0; j < kernel.Length; j++) ksum += kernel[j];
+                for (int j = 0; j < kernel.Length; j++) kernel[j] /= ksum;
+
+                for (int i = 0; (4 * i) + kernel.Length - 1 < optoDataCount; i++)
+                {
+                    float sum = 0;
+                    for (int j = 0; j < kernel.Length; j++) sum += Convert.ToSingle(optoData[4 * i + j].MagneticFieldRaw) * kernel[j]; 
+                    result[i] = sum;
+                }
+            }
+            else
+            {
+                for (int i = 0; i < optoDataCount; i++) result[i] = optoData[i].MagneticFieldRaw;
+            }
+
+            return result;
+        }
+
+
+        static float[] GetRefFlow(OptoTelegramRaw[] optoData, int optoDataCount, bool downsample, float[] kernel)
+        {
+            if (optoData == null || optoDataCount < 0 || (downsample && (kernel == null || kernel.Length < 4))) return null;
+
+            int resultLen = downsample ? (optoDataCount / 4) : optoDataCount;
+            float[] result = new float[resultLen];
+
+            if (downsample)
+            {
+                float ksum = 0;
+                for (int j = 0; j < kernel.Length; j++) ksum += kernel[j];
+                for (int j = 0; j < kernel.Length; j++) kernel[j] /= ksum;
+
+                for (int i = 0; (4 * i) + kernel.Length - 1 < optoDataCount; i++)
+                {
+                    float sum = 0;
+                    for (int j = 0; j < kernel.Length; j++) sum += Convert.ToSingle(optoData[4 * i + j].RefFlow) * kernel[j];
+                    result[i] = sum;
+                }
+            }
+            else
+            {
+                for (int i = 0; i < optoDataCount; i++) result[i] = optoData[i].RefFlow;
+            }
+
+            return result;
+        }
+
+
+        public static void FindShiftAndDemodulate(float[] modulatedData, bool downsample,
+                                                  float[] kernel1, out float[] data1,
+                                                  float[] kernel2, out float[] data2,
+                                                  float[] kernel3, out float[] data3,
+                                                  float[] kernel4, out float[] data4)
+        {
+            int shift = GetShift(modulatedData.SubArray(0, MinLength));
+
+            data1 = (kernel1 != null) ? Demodulate(modulatedData, kernel1, shift, downsample) : null;
+            data2 = (kernel2 != null) ? Demodulate(modulatedData, kernel2, shift, downsample) : null;
+            data3 = (kernel3 != null) ? Demodulate(modulatedData, kernel3, shift, downsample) : null;
+            data4 = (kernel4 != null) ? Demodulate(modulatedData, kernel4, shift, downsample) : null;
+        }
+
+
+        /// <summary>
+        /// Unlike FIR filtering, demodulation shifts the kernel in 4 phases
+        /// </summary>
+        /// <param name="data">Input data</param>
+        /// <param name="kernel">Demodulation kernel</param>
+        /// <param name="shift">shift 0..3</param>
+        /// <returns>Output data</returns>
+        static float[] Demodulate(float[] data, float[] kernel, int shift, bool downsample)
+        {
+            if (data == null || data.Length < MinLength || kernel == null || kernel.Length != 4)
+            {
+                return null;
+            }
+
+            float ksum = 0;
+            for (int i = 0; i < 4; i++) ksum += Math.Abs(kernel[i]);
+            for (int i = 0; i < 4; i++) kernel[i] /= ksum;
+
+            int rsltLen = downsample ? (data.Length - 3) / 4 : data.Length - 3;
+            float[] result = new float[rsltLen];
+
+            if (downsample)
+            {
+                for (int i = shift; i < 4 * rsltLen; i += 4)
+                {
+                    float sum = 0;
+                    for (int j = 0; j < 4; j++) sum += data[i + j] * kernel[(i + j + 4 - shift) % 4];
+                    result[i / 4] = sum;
+                }
+            }
+            else
+            {
+                for (int i = 0; i < rsltLen; i++)
+                {
+                    float sum = 0;
+                    for (int j = 0; j < 4; j++) sum += data[i + j] * kernel[(i + j + 4 - shift) % 4];
+                    result[i] = sum;
+                }
+            }
+
+            return result;
+        }
+
+
+        /// <summary>
+        /// Determine modulation phase by maximizing ++-- demodulation result.
+        /// </summary>
+        /// <param name="modulatedEmf">Input data</param>
+        /// <returns>0..3 = modulation phase or, -1 = error</returns>
+        static int GetShift(float[] modulatedData)
+        {
+            float[] kernel = new float[4] { 1, 1, -1, -1 };
+            int maximizingShift = -1;
+            float maximum = float.MinValue;
+
+            for (int shift = 0; shift <= 3; shift++)
+            {
+                var demodulatedCandidate = Demodulate(modulatedData, kernel, shift, false);
+                float sum = 0;
+                foreach (var d in demodulatedCandidate) sum += d;
+                if (sum > maximum)
+                {
+                    maximum = sum;
+                    maximizingShift = shift;
+                }
+            }
+
+            return maximizingShift;
+        }
+
+
+        /// <summary>
+        /// FIR filtering = convolution with a kernel
+        /// </summary>
+        /// <param name="data">Input data</param>
+        /// <param name="kernel">Convolution kernel</param>
+        /// <returns>Output data</returns>
+        static float[] FirFilter(float[] data, float[] kernel, float factor)
+        {
+            if (data == null || kernel == null) return null;
+
+            int kernelLen = kernel.Length;
+            int rsltLen = data.Length - kernelLen + 1;
+            if (rsltLen < 0) return null;
+
+            float[] result = new float[rsltLen];
+            for (int i = 0; i < rsltLen; i++)
+            {
+                float sum = 0;
+                for (int j = 0; j < kernelLen; j++) sum += data[i + j] * kernel[j];
+                result[i] = sum * factor;
+            }
+            return result;
+        }
+
+
+        static int GetOutliers(float[] flowRatio, out PointF[] outliers, out PointF[] extendedOutliers)
+        {
+            float mean = Enumerable.Average(flowRatio);
+            var fr = new float[flowRatio.Length];
+            for (int i = 0; i < fr.Length; i++) fr[i] = flowRatio[i] - mean;
+
+            Array.Sort(fr);
+            float qLo = fr[fr.Length / 4];
+            float qHi = fr[3 * fr.Length / 4];
+
+            int N = fr.Length / 2;
+            float sumY = 0;
+            float sumYY = 0;
+            for (int i = fr.Length / 4; i < 3 * fr.Length / 4; i++)
+            {
+                sumY += fr[i];
+                sumYY += fr[i] * fr[i];
+            }
+            float std = (float)Math.Sqrt(sumYY / N - (sumY / N) * (sumY / N));
+            float robustStd = std * 5.1812824F;
+            float threshold = 7 * robustStd;
+
+            /// Restore fr as it was before sorting
+            for (int i = 0; i < fr.Length; i++) fr[i] = flowRatio[i] - mean;
+
+            IList<PointF> listOfOutliers = new List<PointF>();
+            bool[] boolExtendedOutliers = new bool[fr.Length];
+            int outliersCount = 0;
+            for (int i = 0; i < fr.Length; i++)
+            {
+                if (fr[i] < -threshold || fr[i] > threshold)
+                {
+                    /// This is an outlier
+                    listOfOutliers.Add(new PointF(Convert.ToSingle(i), fr[i] + mean));
+                    outliersCount++;
+                    for (int j = Math.Max(0, i - NeighbourhoodSize); j <= Math.Min(i + NeighbourhoodSize, fr.Length - 1); j++)
+                    {
+                        boolExtendedOutliers[j] = true;
+                    }
+                }
+            }
+
+            IList<PointF> listOfExtendedOutliers = new List<PointF>();
+            for (int i = 0; i < fr.Length; i++)
+            {
+                if (boolExtendedOutliers[i])
+                {
+                    listOfExtendedOutliers.Add(new PointF(Convert.ToSingle(i), fr[i] + mean));
+                }
+            }
+
+            outliers = listOfOutliers.ToArray<PointF>();
+            extendedOutliers = listOfExtendedOutliers.ToArray<PointF>();
+
+            return outliersCount;
+        }
+    }
+}

Common/Utils.cs

@@ -2,11 +2,7 @@
 /// Copyright (c) 2021 Sensus Slovensko a.s.
 ///
 using System;
-using System.Collections.Generic;
 using System.IO.Ports;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace Common
 {
@@ -19,47 +15,6 @@ namespace Common
             return string.Format("{0} ({1}/{2})", name, repetitionNr, repeats);
         }
 
-        public static void CalculateFeatureVector(Iperl.OptoTelegramRaw[] optoData, int optoDataCount, int startIx, int endIx, ref float[] x)
-        {
-            if (startIx < 0 || endIx >= optoDataCount || startIx >= endIx) return;
-
-            int n = 0;
-            Int64 sumFlow = 0;
-            Int64 sumFlow2 = 0;
-            Int64 sumEmf = 0;
-            Int64 sumEmf2 = 0;
-            Int64 sumMagF = 0;
-            Int64 sumMagF2 = 0;
-            Int64 sumImp = 0;
-            Int64 sumImp2 = 0;
-
-            for (int ix = startIx; ix <= endIx; ix++)
-            {
-                if (optoData[ix].Flags == Iperl.OptoTelegramFlags.OK ||
-                    optoData[ix].Flags == Iperl.OptoTelegramFlags.OK_TestStart ||
-                    optoData[ix].Flags == Iperl.OptoTelegramFlags.OK_TestEnd)
-                {
-                    n++;
-                    sumFlow += optoData[ix].FlowRaw;
-                    sumFlow2 += ((int)optoData[ix].FlowRaw * (int)optoData[ix].FlowRaw);
-                    sumEmf += (int)optoData[ix].EmfRaw;
-                    sumEmf2 += ((Int64)optoData[ix].EmfRaw * (Int64)optoData[ix].EmfRaw);
-                    sumMagF += optoData[ix].MagneticFieldRaw;
-                    sumMagF2 += ((int)optoData[ix].MagneticFieldRaw * (int)optoData[ix].MagneticFieldRaw);
-                    sumImp += optoData[ix].Impedance;
-                    sumImp2 += ((int)optoData[ix].Impedance * (int)optoData[ix].Impedance);
-                }
-            }
-
-            if (n >= 2)
-            {
-                if (x.Length > 0) x[0] = ((float)sumFlow2 - (float)sumFlow * (float)sumFlow / n) / (n - 1);
-                if (x.Length > 1) x[1] = ((float)sumEmf2  - (float)sumEmf  * (float)sumEmf  / n) / (n - 1);
-                if (x.Length > 2) x[2] = ((float)sumMagF2 - (float)sumMagF * (float)sumMagF / n) / (n - 1);
-                if (x.Length > 3) x[3] = ((float)sumImp2  - (float)sumImp  * (float)sumImp  / n) / (n - 1);
-            }
-        }
-
         public static Parity GetParity(string str, Parity defaultParity = Parity.None)
         {
             if (str.Equals(Parity.None.ToString())) return Parity.None;

FeatureVectorCalculator/CalculatorWnd.Designer.cs

@@ -30,21 +30,46 @@
         {
             this.rawFileComboBox = new System.Windows.Forms.ComboBox();
             this.browseButton = new System.Windows.Forms.Button();
-            this.processButton = new System.Windows.Forms.Button();
             this.resultsTextBox = new System.Windows.Forms.TextBox();
+            this.splitContainer1 = new System.Windows.Forms.SplitContainer();
+            this.splitContainer2 = new System.Windows.Forms.SplitContainer();
+            this.splitContainer3 = new System.Windows.Forms.SplitContainer();
+            this.tabControl1 = new System.Windows.Forms.TabControl();
+            this.tabPage1 = new System.Windows.Forms.TabPage();
+            this.tabPage2 = new System.Windows.Forms.TabPage();
+            this.tabPage3 = new System.Windows.Forms.TabPage();
+            this.tabPage4 = new System.Windows.Forms.TabPage();
+            this.tabPage5 = new System.Windows.Forms.TabPage();
+            this.tabPage6 = new System.Windows.Forms.TabPage();
+            this.tabPage7 = new System.Windows.Forms.TabPage();
+            this.tabPage8 = new System.Windows.Forms.TabPage();
+            ((System.ComponentModel.ISupportInitialize)(this.splitContainer1)).BeginInit();
+            this.splitContainer1.Panel1.SuspendLayout();
+            this.splitContainer1.Panel2.SuspendLayout();
+            this.splitContainer1.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.splitContainer2)).BeginInit();
+            this.splitContainer2.Panel1.SuspendLayout();
+            this.splitContainer2.Panel2.SuspendLayout();
+            this.splitContainer2.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.splitContainer3)).BeginInit();
+            this.splitContainer3.Panel1.SuspendLayout();
+            this.splitContainer3.Panel2.SuspendLayout();
+            this.splitContainer3.SuspendLayout();
+            this.tabControl1.SuspendLayout();
             this.SuspendLayout();
             // 
             // rawFileComboBox
             // 
+            this.rawFileComboBox.Dock = System.Windows.Forms.DockStyle.Fill;
             this.rawFileComboBox.FormattingEnabled = true;
-            this.rawFileComboBox.Location = new System.Drawing.Point(29, 28);
+            this.rawFileComboBox.Location = new System.Drawing.Point(0, 0);
             this.rawFileComboBox.Name = "rawFileComboBox";
-            this.rawFileComboBox.Size = new System.Drawing.Size(715, 21);
+            this.rawFileComboBox.Size = new System.Drawing.Size(1040, 21);
             this.rawFileComboBox.TabIndex = 0;
             // 
             // browseButton
             // 
-            this.browseButton.Location = new System.Drawing.Point(769, 19);
+            this.browseButton.Location = new System.Drawing.Point(7, 0);
             this.browseButton.Name = "browseButton";
             this.browseButton.Size = new System.Drawing.Size(66, 37);
             this.browseButton.TabIndex = 1;
@@ -52,37 +77,184 @@
             this.browseButton.UseVisualStyleBackColor = true;
             this.browseButton.Click += new System.EventHandler(this.browseButton_Click);
             // 
-            // processButton
-            // 
-            this.processButton.Location = new System.Drawing.Point(29, 66);
-            this.processButton.Name = "processButton";
-            this.processButton.Size = new System.Drawing.Size(91, 46);
-            this.processButton.TabIndex = 2;
-            this.processButton.Text = "Process";
-            this.processButton.UseVisualStyleBackColor = true;
-            this.processButton.Click += new System.EventHandler(this.processButton_Click);
-            // 
             // resultsTextBox
             // 
-            this.resultsTextBox.Location = new System.Drawing.Point(29, 131);
+            this.resultsTextBox.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.resultsTextBox.Location = new System.Drawing.Point(0, 0);
             this.resultsTextBox.Multiline = true;
             this.resultsTextBox.Name = "resultsTextBox";
-            this.resultsTextBox.Size = new System.Drawing.Size(715, 181);
+            this.resultsTextBox.Size = new System.Drawing.Size(1127, 156);
             this.resultsTextBox.TabIndex = 3;
             // 
+            // splitContainer1
+            // 
+            this.splitContainer1.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.splitContainer1.Location = new System.Drawing.Point(0, 0);
+            this.splitContainer1.Name = "splitContainer1";
+            this.splitContainer1.Orientation = System.Windows.Forms.Orientation.Horizontal;
+            // 
+            // splitContainer1.Panel1
+            // 
+            this.splitContainer1.Panel1.Controls.Add(this.splitContainer2);
+            // 
+            // splitContainer1.Panel2
+            // 
+            this.splitContainer1.Panel2.Controls.Add(this.tabControl1);
+            this.splitContainer1.Size = new System.Drawing.Size(1127, 733);
+            this.splitContainer1.SplitterDistance = 200;
+            this.splitContainer1.TabIndex = 4;
+            // 
+            // splitContainer2
+            // 
+            this.splitContainer2.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.splitContainer2.FixedPanel = System.Windows.Forms.FixedPanel.Panel1;
+            this.splitContainer2.Location = new System.Drawing.Point(0, 0);
+            this.splitContainer2.Name = "splitContainer2";
+            this.splitContainer2.Orientation = System.Windows.Forms.Orientation.Horizontal;
+            // 
+            // splitContainer2.Panel1
+            // 
+            this.splitContainer2.Panel1.Controls.Add(this.splitContainer3);
+            // 
+            // splitContainer2.Panel2
+            // 
+            this.splitContainer2.Panel2.Controls.Add(this.resultsTextBox);
+            this.splitContainer2.Size = new System.Drawing.Size(1127, 200);
+            this.splitContainer2.SplitterDistance = 40;
+            this.splitContainer2.TabIndex = 3;
+            // 
+            // splitContainer3
+            // 
+            this.splitContainer3.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.splitContainer3.FixedPanel = System.Windows.Forms.FixedPanel.Panel2;
+            this.splitContainer3.Location = new System.Drawing.Point(0, 0);
+            this.splitContainer3.Name = "splitContainer3";
+            // 
+            // splitContainer3.Panel1
+            // 
+            this.splitContainer3.Panel1.Controls.Add(this.rawFileComboBox);
+            // 
+            // splitContainer3.Panel2
+            // 
+            this.splitContainer3.Panel2.Controls.Add(this.browseButton);
+            this.splitContainer3.Size = new System.Drawing.Size(1127, 40);
+            this.splitContainer3.SplitterDistance = 1040;
+            this.splitContainer3.TabIndex = 0;
+            // 
+            // tabControl1
+            // 
+            this.tabControl1.Controls.Add(this.tabPage1);
+            this.tabControl1.Controls.Add(this.tabPage2);
+            this.tabControl1.Controls.Add(this.tabPage3);
+            this.tabControl1.Controls.Add(this.tabPage4);
+            this.tabControl1.Controls.Add(this.tabPage5);
+            this.tabControl1.Controls.Add(this.tabPage6);
+            this.tabControl1.Controls.Add(this.tabPage7);
+            this.tabControl1.Controls.Add(this.tabPage8);
+            this.tabControl1.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.tabControl1.Location = new System.Drawing.Point(0, 0);
+            this.tabControl1.Name = "tabControl1";
+            this.tabControl1.SelectedIndex = 0;
+            this.tabControl1.Size = new System.Drawing.Size(1127, 529);
+            this.tabControl1.TabIndex = 0;
+            // 
+            // tabPage1
+            // 
+            this.tabPage1.Location = new System.Drawing.Point(4, 22);
+            this.tabPage1.Name = "tabPage1";
+            this.tabPage1.Padding = new System.Windows.Forms.Padding(3);
+            this.tabPage1.Size = new System.Drawing.Size(1119, 503);
+            this.tabPage1.TabIndex = 0;
+            this.tabPage1.Text = "OffsetV";
+            this.tabPage1.UseVisualStyleBackColor = true;
+            // 
+            // tabPage2
+            // 
+            this.tabPage2.Location = new System.Drawing.Point(4, 22);
+            this.tabPage2.Name = "tabPage2";
+            this.tabPage2.Padding = new System.Windows.Forms.Padding(3);
+            this.tabPage2.Size = new System.Drawing.Size(1119, 503);
+            this.tabPage2.TabIndex = 1;
+            this.tabPage2.Text = "KOhmsR";
+            this.tabPage2.UseVisualStyleBackColor = true;
+            // 
+            // tabPage3
+            // 
+            this.tabPage3.Location = new System.Drawing.Point(4, 22);
+            this.tabPage3.Name = "tabPage3";
+            this.tabPage3.Size = new System.Drawing.Size(1119, 503);
+            this.tabPage3.TabIndex = 2;
+            this.tabPage3.Text = "KOhmsC";
+            this.tabPage3.UseVisualStyleBackColor = true;
+            // 
+            // tabPage4
+            // 
+            this.tabPage4.Location = new System.Drawing.Point(4, 22);
+            this.tabPage4.Name = "tabPage4";
+            this.tabPage4.Size = new System.Drawing.Size(1119, 503);
+            this.tabPage4.TabIndex = 3;
+            this.tabPage4.Text = "DutFlowLph";
+            this.tabPage4.UseVisualStyleBackColor = true;
+            // 
+            // tabPage5
+            // 
+            this.tabPage5.Location = new System.Drawing.Point(4, 22);
+            this.tabPage5.Name = "tabPage5";
+            this.tabPage5.Size = new System.Drawing.Size(1119, 503);
+            this.tabPage5.TabIndex = 4;
+            this.tabPage5.Text = "RefFlowLph";
+            this.tabPage5.UseVisualStyleBackColor = true;
+            // 
+            // tabPage6
+            // 
+            this.tabPage6.Location = new System.Drawing.Point(4, 22);
+            this.tabPage6.Name = "tabPage6";
+            this.tabPage6.Size = new System.Drawing.Size(1119, 503);
+            this.tabPage6.TabIndex = 5;
+            this.tabPage6.Text = "FlowRatio";
+            this.tabPage6.UseVisualStyleBackColor = true;
+            // 
+            // tabPage7
+            // 
+            this.tabPage7.Location = new System.Drawing.Point(4, 22);
+            this.tabPage7.Name = "tabPage7";
+            this.tabPage7.Size = new System.Drawing.Size(1119, 503);
+            this.tabPage7.TabIndex = 6;
+            this.tabPage7.Text = "MagField";
+            this.tabPage7.UseVisualStyleBackColor = true;
+            // 
+            // tabPage8
+            // 
+            this.tabPage8.Location = new System.Drawing.Point(4, 22);
+            this.tabPage8.Name = "tabPage8";
+            this.tabPage8.Size = new System.Drawing.Size(1119, 503);
+            this.tabPage8.TabIndex = 7;
+            this.tabPage8.Text = "EmfV";
+            this.tabPage8.UseVisualStyleBackColor = true;
+            // 
             // CalculatorWnd
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(859, 335);
+            this.ClientSize = new System.Drawing.Size(1127, 733);
-            this.Controls.Add(this.resultsTextBox);
+            this.Controls.Add(this.splitContainer1);
-            this.Controls.Add(this.processButton);
-            this.Controls.Add(this.browseButton);
-            this.Controls.Add(this.rawFileComboBox);
             this.Name = "CalculatorWnd";
             this.Text = "Feature vector calculator";
+            this.splitContainer1.Panel1.ResumeLayout(false);
+            this.splitContainer1.Panel2.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)(this.splitContainer1)).EndInit();
+            this.splitContainer1.ResumeLayout(false);
+            this.splitContainer2.Panel1.ResumeLayout(false);
+            this.splitContainer2.Panel2.ResumeLayout(false);
+            this.splitContainer2.Panel2.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.splitContainer2)).EndInit();
+            this.splitContainer2.ResumeLayout(false);
+            this.splitContainer3.Panel1.ResumeLayout(false);
+            this.splitContainer3.Panel2.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)(this.splitContainer3)).EndInit();
+            this.splitContainer3.ResumeLayout(false);
+            this.tabControl1.ResumeLayout(false);
             this.ResumeLayout(false);
-            this.PerformLayout();
 
         }
 
@@ -90,8 +262,19 @@
 
         private System.Windows.Forms.ComboBox rawFileComboBox;
         private System.Windows.Forms.Button browseButton;
-        private System.Windows.Forms.Button processButton;
         private System.Windows.Forms.TextBox resultsTextBox;
+        private System.Windows.Forms.SplitContainer splitContainer1;
+        private System.Windows.Forms.SplitContainer splitContainer2;
+        private System.Windows.Forms.SplitContainer splitContainer3;
+        private System.Windows.Forms.TabControl tabControl1;
+        private System.Windows.Forms.TabPage tabPage1;
+        private System.Windows.Forms.TabPage tabPage2;
+        private System.Windows.Forms.TabPage tabPage3;
+        private System.Windows.Forms.TabPage tabPage4;
+        private System.Windows.Forms.TabPage tabPage5;
+        private System.Windows.Forms.TabPage tabPage6;
+        private System.Windows.Forms.TabPage tabPage7;
+        private System.Windows.Forms.TabPage tabPage8;
     }
 }
 

FeatureVectorCalculator/CalculatorWnd.cs

@@ -4,13 +4,20 @@
 using System;
 using System.IO;
 using System.Windows.Forms;
+using System.Windows.Forms.DataVisualization.Charting;
 using Common.Iperl;
+using System.Globalization;
+using System.Drawing;
 
 namespace FeatureVectorCalculator
 {
     public partial class CalculatorWnd : Form
     {
         public const int MaxOptoDataCount = 40000;
+        public const bool Downsample = true;
+        public const bool Extend = true;
+
+
         OptoTelegramRaw[] optoData;
         Int64 volumeRawExtLast;
         Int64 timestampExtLast;
@@ -27,63 +34,115 @@ namespace FeatureVectorCalculator
             }
         }
 
+        void ClearOutput()
+        {
+            resultsTextBox.Clear();
+            tabControl1.TabPages[0].Controls.Clear();
+            tabControl1.TabPages[1].Controls.Clear();
+            tabControl1.TabPages[2].Controls.Clear();
+            tabControl1.TabPages[3].Controls.Clear();
+            tabControl1.TabPages[4].Controls.Clear();
+            tabControl1.TabPages[5].Controls.Clear();
+            tabControl1.TabPages[6].Controls.Clear();
+            tabControl1.TabPages[7].Controls.Clear();
+        }
+
         private void browseButton_Click(object sender, EventArgs e)
         {
             OpenFileDialog ofd = new OpenFileDialog();
-            var dr = ofd.ShowDialog();
+
-            rawFileComboBox.Text = ofd.FileName;
+            if (ofd.ShowDialog() == DialogResult.OK)
+            {
+                rawFileComboBox.Text = ofd.FileName;
+                ProcessRawDataFile(ofd.FileName);
+            }
         }
 
-        private void processButton_Click(object sender, EventArgs e)
+        void ProcessRawDataFile(string fileName)
         {
-            if (optoData == null) return;
-
             int counter = 0;
             int startIx = -1;
             int endIx = -1;
 
-            using (StreamReader reader = new StreamReader(rawFileComboBox.Text))
+            ClearOutput();
+
+            resultsTextBox.Text = string.Format("File name: {0}{1}", fileName, Environment.NewLine);
+
+            try
             {
-                string line;
+                using (StreamReader reader = new StreamReader(fileName))
-                while ((line = reader.ReadLine()) != null && counter < MaxOptoDataCount)
                 {
-                    int ix = line.IndexOf(" :\t");
+                    string line;
-                    
+                    while ((line = reader.ReadLine()) != null && counter < MaxOptoDataCount)
-                    if (ix >= 0)
                     {
-                        if (optoData[counter].UpdateFromString(line.Substring(ix + 3), counter, 0, ref volumeRawExtLast, ref timestampExtLast, true))
+                        int ix = line.IndexOf(" :\t");
+                        string[] items = line.Split('\t');
+
+                        if (items.Length > 18)
                         {
-                            if (line.EndsWith("####  start test  ####"))
+                            string telegram = string.Format("{0}\t{1}\t{2}\t{3}\t{4}\t{5}\t{6}\r\n",
+                                                            items[2], items[3], items[4], items[5], items[6], items[7], items[8]);
+
+                            if (optoData[counter].UpdateFromString(telegram, counter, 0, ref volumeRawExtLast, ref timestampExtLast))
                             {
-                                startIx = counter;
+                                if (line.EndsWith("####  start test  ####"))
-                                optoData[counter].Flags = OptoTelegramFlags.OK_TestStart;
+                                {
-                            }
+                                    startIx = counter;
-                            else if (line.EndsWith("####  end of test  ####"))
+                                    optoData[counter].Flags = OptoTelegramFlags.OK_TestStart;
-                            {
+                                }
-                                endIx = counter;
+                                else if (line.EndsWith("####  end of test  ####"))
-                                optoData[counter].Flags = OptoTelegramFlags.OK_TestEnd;
+                                {
+                                    endIx = counter;
+                                    optoData[counter].Flags = OptoTelegramFlags.OK_TestEnd;
+                                }
+                                else
+                                {
+                                    optoData[counter].Flags = OptoTelegramFlags.OK;
+                                }
                             }
+
+                            optoData[counter].RefFlow = float.Parse(items[15].Replace(',', '.'), CultureInfo.InvariantCulture);
                         }
-                    }
+                        else
-                    else
+                        {
-                    {
+                            optoData[counter].Flags = OptoTelegramFlags.InvalidTelegram;
-                        optoData[counter].Flags = OptoTelegramFlags.InvalidTelegram;
+                        }
+
+                        counter++;
                     }
 
-                    counter++;
+                    reader.Close();
                 }
-
-                reader.Close();
             }
-
+            catch (Exception exc)
-            float[] featureVector = new float[9];
-            Common.Utils.CalculateFeatureVector(optoData, counter, startIx, endIx, ref featureVector);
-
-            resultsTextBox.Clear();
-            for (int i = 0; i < 9; i++)
             {
-                resultsTextBox.Text += string.Format("X{0} = {1}\r\n", i + 1, featureVector[i]);
+                MessageBox.Show(string.Format("Exception: {0}", exc.Message));
+                return;
             }
+
+            int start = Extend ? 0 : startIx;
+            int end = Extend ? (counter - 1) : endIx;
+            float[] offsetV, kOhmsR, kOhmsC, dutFlow, refFlow, flowRatio, magField, emfV;
+            PointF[] outliers, extendedOutliers;
+            float[] featureVector = Common.StatisticalMetrics.Calculate(optoData, counter, start, end, Downsample,
+                                                                        out offsetV, out kOhmsR, out kOhmsC, out dutFlow,
+                                                                        out refFlow, out flowRatio, out magField, out emfV,
+                                                                        out outliers, out extendedOutliers);
+
+            for (int i = 0; i < Math.Min(9, featureVector.Length); i++)
+            {
+                resultsTextBox.Text += string.Format("X{0} = {1}{2}", i + 1, featureVector[i], Environment.NewLine);
+            }
+
+            float period = Downsample ? 0.5F : 0.125F;
+            if (offsetV != null)   tabControl1.TabPages[0].Controls.Add(SignalChart.GetChart(offsetV,   period, "OffsetV",   "OffsetV [μV]"));
+            if (kOhmsR != null)    tabControl1.TabPages[1].Controls.Add(SignalChart.GetChart(kOhmsR,    period, "kOhmsR",    "kΩ"));
+            if (kOhmsC != null)    tabControl1.TabPages[2].Controls.Add(SignalChart.GetChart(kOhmsC,    period, "kOhmsC",    "kΩ"));
+            if (dutFlow != null)   tabControl1.TabPages[3].Controls.Add(SignalChart.GetChart(dutFlow,   period, "dutFlow",   "L/h"));
+            if (refFlow != null)   tabControl1.TabPages[4].Controls.Add(SignalChart.GetChart(refFlow,   period, "refFlow",   "L/h"));
+            if (flowRatio != null) tabControl1.TabPages[5].Controls.Add(SignalChart.GetChart(flowRatio, period, "flowRatio", "", true, extendedOutliers, outliers));
+            if (magField != null)  tabControl1.TabPages[6].Controls.Add(SignalChart.GetChart(magField,  period, "magField",  "μV", false));
+            if (emfV != null)      tabControl1.TabPages[7].Controls.Add(SignalChart.GetChart(emfV,      period, "emfV",      "μV"));
         }
     }
 }

FeatureVectorCalculator/FeatureVectorCalculator.csproj

@@ -37,6 +37,7 @@
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Windows.Forms.DataVisualization" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
@@ -55,6 +56,7 @@
     </Compile>
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="SignalChart.cs" />
     <EmbeddedResource Include="CalculatorWnd.resx">
       <DependentUpon>CalculatorWnd.cs</DependentUpon>
     </EmbeddedResource>

FeatureVectorCalculator/SignalChart.cs

@@ -0,0 +1,78 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using System.Windows.Forms.DataVisualization.Charting;
+
+namespace FeatureVectorCalculator
+{
+    public class SignalChart
+    {
+        public static Chart GetChart(float[] data, float period, string caption, string captionY, bool fromZero = true,
+                                     PointF[] extendedOutliers = null, PointF[] outliers = null)
+        {
+            Series series1 = null, series2 = null, series3 = null;
+
+            series1 = new Series { Name = caption, ChartArea = "area1", ChartType = SeriesChartType.Line, Color = Color.DeepSkyBlue };
+            float minY = float.MaxValue;
+            float maxY = float.MinValue;
+            for (int x = 0; x < data.Length; x++)
+            {
+                float y = data[x];
+                if (minY > y) minY = y;
+                if (maxY < y) maxY = y;
+                series1.Points.AddXY(x * period, y);
+            }
+
+            if (extendedOutliers != null)
+            {
+                series2 = new Series { Name = "extended outliers", ChartArea = "area1", ChartType = SeriesChartType.Point, Color = Color.Yellow };
+                for (int i = 0; i < extendedOutliers.Length; i++)
+                {
+                    series2.Points.AddXY(extendedOutliers[i].X * period, extendedOutliers[i].Y);
+                }
+            }
+
+            if (outliers != null)
+            {
+                series3 = new Series { Name = "outliers", ChartArea = "area1", ChartType = SeriesChartType.Point, Color = Color.DarkRed };
+                for (int i = 0; i < outliers.Length; i++)
+                {
+                    series3.Points.AddXY(outliers[i].X * period, outliers[i].Y);
+                }
+            }
+
+            ChartArea chArea = new ChartArea { Name = "area1" };            
+            chArea.AxisX.Title = "Time [s]";
+            chArea.AxisX.IsLogarithmic = false;
+            chArea.AxisX.IsLabelAutoFit = true;
+            chArea.AxisX.Minimum = 0;
+            chArea.AxisX.Maximum = (data.Length - 1) * period;
+            // for (int j = i; j < i + 3; j++)
+            // {
+            //     CustomLabel cl = new CustomLabel();
+            //     cl.Text = string.Format("{0} {1}", xs[j], flowUnit.ToDescription());
+            //     cl.FromPosition = Math.Log10(xs[j] * spacer);
+            //     cl.ToPosition = Math.Log10(xs[j] / spacer);
+            //     chArea.AxisX.CustomLabels.Add(cl);
+            // }
+            chArea.AxisY.Title = captionY;
+            chArea.AxisY.IsLogarithmic = false;
+            chArea.AxisY.IsLabelAutoFit = true;
+            chArea.AxisY.IsStartedFromZero = fromZero;
+            chArea.AxisY.Minimum = chArea.AxisY.IsStartedFromZero ? 0 : minY;
+            chArea.AxisY.Maximum = 1.1 * maxY;
+            if (chArea.AxisY.Maximum == chArea.AxisY.Minimum)
+            {
+                chArea.AxisY.Maximum = chArea.AxisY.Maximum + 1;
+            }
+
+            Chart chart = new Chart { Text = caption, Dock = DockStyle.Fill };
+            chart.ChartAreas.Add(chArea);
+            chart.Series.Add(series1);
+            if (series2 != null) chart.Series.Add(series2);
+            if (series3 != null) chart.Series.Add(series3);
+
+            return chart;
+        }
+    }
+}

TBF/BenchControl/TestMethods/iPerlCommunication/iPerlHead/IperlHead.cs

@@ -620,9 +620,15 @@ namespace TBF.BenchControl.TestMethods.iPerlCommunication.iPerlHead
             AddTestStartEndMarksToData(out startIx, out endIx);
             StopDataStreamProcessing();
             DataStreamPostProcessing();
-            Common.Utils.CalculateFeatureVector(optoData, optoDataCount, startIx, endIx, ref x);
 
-            log.DebugFormat("Feature vector calculation end, save opto-file start: {0:HH:mm:ss.fff}", DateTime.Now);
+            // TODO: Enable when calculations completed
+            //
+            // float[] offsetV, kOhmsR, kOhmsC, dutFlow, refFlow, flowRatio, magField, emfV;
+            // x = Common.StatisticalMetrics.Calculate(optoData, optoDataCount, startIx, endIx, true,
+            //                                         out offsetV, out kOhmsR, out kOhmsC, out dutFlow,
+            //                                         out refFlow, out flowRatio, out magField, out emfV);
+            //
+            // log.DebugFormat("Feature vector calculation end, save opto-file start: {0:HH:mm:ss.fff}", DateTime.Now);
 
             string relativeDirectory = Path.Combine(StateMachine.CycleStartTimeStamp.ToString("yy"),
                                                     StateMachine.CycleStartTimeStamp.ToString("MM"),

TBF/Properties/AssemblyInfo.cs

@@ -29,5 +29,5 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("2.26.1770.0")]
+[assembly: AssemblyVersion("2.26.1771.0")]
-[assembly: AssemblyFileVersion("2.26.1770.0")]
+[assembly: AssemblyFileVersion("2.26.1771.0")]