init

DataPRO/SensorDB/TSF/TSFSamplingInformationSection.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace DTS.SensorDB.TSF
+{
+    /// <summary>
+    /// handles the sampling information section of the TSF
+    /// can contain rate(Hz),pretrigtime(sec),posttrigtime(sec),AdjAAfilter(Hz),postcaltime(sec)
+    /// </summary>
+    public class TSFSamplingInformationSection
+    {
+        private const string START_SECTION_HEADER = "---- Start Sampling Information ----";
+        private const string COLUMN_HEADER = "rate(Hz),pretrigtime(sec),posttrigtime(sec),AdjAAfilter(Hz),postcaltime(sec)";
+        private const string END_SECTION_HEADER = "---- End Sampling Information ----";
+
+        private double _sampleRateHz;
+        public double SampleRateHz { get { return _sampleRateHz; } set { _sampleRateHz = value; } }
+
+        private double _preTriggerSeconds;
+        /// <summary>
+        /// pre trigger seconds (always positive)
+        /// </summary>
+        public double PreTriggerSeconds { get { return _preTriggerSeconds; } set { _preTriggerSeconds = value; } }
+
+        private double _postTriggerSeconds;
+        /// <summary>
+        /// post trigger seconds (always positive)
+        /// </summary>
+        public double PostTriggerSeconds { get { return _postTriggerSeconds; } set { _postTriggerSeconds = value; } }
+
+        private double _aaf;
+        public double AAF { get { return _aaf; } set { _aaf = value; } }
+
+        private double _postCalTimeSeconds;
+        public double PostCalTimeSeconds { get { return _postCalTimeSeconds; } set { _postCalTimeSeconds = value; } }
+
+        public TSFSamplingInformationSection(List<string> lines, ref int currentLine)
+        {
+            if (currentLine == lines.Count) { throw new System.IO.EndOfStreamException(); }
+            string startSection = lines[currentLine++];
+            if (startSection != START_SECTION_HEADER) { throw new System.IO.InvalidDataException(startSection); }
+
+            if (currentLine == lines.Count) { throw new System.IO.EndOfStreamException(); }
+            string columnHeader = lines[currentLine++];
+            if (columnHeader != COLUMN_HEADER) { throw new System.IO.InvalidDataException(columnHeader); }
+
+            // READ IN SAMPLING VALUES
+            if (currentLine == lines.Count) { throw new System.IO.EndOfStreamException(); }
+            string[] tokens = lines[currentLine++].Split(new string[] { "," }, StringSplitOptions.None);
+
+            if (tokens.Length < 5) { throw new System.IO.InvalidDataException(lines[currentLine - 1]); }
+
+            try { SampleRateHz = double.Parse(tokens[0], System.Globalization.CultureInfo.InvariantCulture); }
+            catch (System.Exception) { throw new System.IO.InvalidDataException(tokens[0]); }
+
+            try { PreTriggerSeconds = double.Parse(tokens[1], System.Globalization.CultureInfo.InvariantCulture); }
+            catch (System.Exception) { throw new System.IO.InvalidDataException(tokens[1]); }
+
+            try { PostTriggerSeconds = double.Parse(tokens[2], System.Globalization.CultureInfo.InvariantCulture); }
+            catch (System.Exception) { throw new System.IO.InvalidDataException(tokens[2]); }
+
+            try { AAF = double.Parse(tokens[3], System.Globalization.CultureInfo.InvariantCulture); }
+            catch (System.Exception) { throw new System.IO.InvalidDataException(tokens[3]); }
+
+            // IF PRETRIGTIME IS >0 THEN THIS IS PRE VER. 6.4A AND NEEDS TO BE CONVERTED TO A NEGATIVE NUMBER
+            PreTriggerSeconds = System.Math.Abs(PreTriggerSeconds);
+            PostTriggerSeconds = System.Math.Abs(PostTriggerSeconds);
+
+            if (currentLine == lines.Count) { throw new System.IO.EndOfStreamException(); }
+            string endSection = lines[currentLine++];
+            if (endSection != END_SECTION_HEADER)
+            {
+                throw new System.IO.InvalidDataException(endSection);
+            }
+        }
+    }
+}