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using DTS.Common.Enums.Sensors;
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using DTS.Common.Utilities.Logging;
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using DTS.Common.Utils;
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using DTS.Serialization;
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using DTS.Slice.Control;
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using DTS.Common;
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using DTS.Common.Events;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using static DTS.Viewer.AddCalculatedChannel.AddCalculatedChannelViewModel;
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using Prism.Ioc;
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using DTS.Common.Calculations;
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using DTS.Common.Utilities;
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using Prism.Events;
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namespace DTS.Viewer.AddCalculatedChannel.Model
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{
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public class CalculatedChannelCreator
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{
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private static readonly int ChannelNumberCalculationChannelIndicator = 100000;
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public static Test.Module.CalculatedChannel[] CreateChannels(string testId,
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string folder,
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Calculation calculation,
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List<Test.Module.Channel> inputChannels,
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string channelName,
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int startingNumber,
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List<Test.Module.Channel> allChannels,
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int clipLength,
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out List<string> errorList,
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int defaultEncoding)
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{
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Test.Module.CalculatedChannel[] calculatedChannels = null;
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errorList = new List<string>();
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switch (calculation)
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{
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case Calculation.ThreeDIRTracc: calculatedChannels = Create3DIRTraccChannels(testId, folder, inputChannels, channelName, ThreeDIRTraccType.Thorax, startingNumber, defaultEncoding); break;
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case Calculation.ThreeDIRTraccLowerThorax: calculatedChannels = Create3DIRTraccChannels(testId, folder, inputChannels, channelName, ThreeDIRTraccType.LowerThorax, startingNumber, defaultEncoding); break;
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case Calculation.ThreeDIRTraccAbdomen: calculatedChannels = Create3DIRTraccChannels(testId, folder, inputChannels, channelName, ThreeDIRTraccType.Abdomen, startingNumber, defaultEncoding); break;
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case Calculation.SUM:
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case Calculation.AVE:
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case Calculation.Resultant:
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case Calculation.HIC:
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calculatedChannels = CreateChannelsAggregateOperation(testId, folder, calculation, inputChannels, channelName, startingNumber, clipLength);
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break;
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default: calculatedChannels = CreateChannelsBinaryOperation(testId, folder, calculation, inputChannels, channelName, startingNumber); break;
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}
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if (null == calculatedChannels) return null;
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for (var i = 0; i < calculatedChannels.Length; i++)
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{
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calculatedChannels[i].AbsoluteDisplayOrder = startingNumber + i;
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}
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if (ValidateChannelName(channelName, inputChannels, allChannels, out errorList)) return calculatedChannels;
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//ReportErrors(errorList);
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return null;
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}
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private static Serialization.SliceRaw.File.PersistentChannel CreatePersistentInformationObject(Test.Module.CalculatedChannel channel, string filepath)
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{
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var channelHeader = new Serialization.SliceRaw.File.BinaryChannelHeader
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{
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NumberOfTriggers = (ushort)(channel.ParentModule.TriggerSampleNumbers.Count)
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};
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channelHeader.TriggerSampleNumbers = new ulong[channelHeader.NumberOfTriggers];
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// Do trigger sample information.
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for (var i = 0; i < channelHeader.NumberOfTriggers; i++)
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{
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channelHeader.TriggerSampleNumbers[i] = channel.ParentModule.TriggerSampleNumbers[i];
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}
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// Do EU information.
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if (channel is Common.DAS.Concepts.DAS.Channel.IEngineeringUnitAware)
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{ //
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// Persistent object property accessors already pad out EU so data will be word-aligned,
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// so we'll want to make sure we do the same thing here.
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//
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var eu = (channel as Common.DAS.Concepts.DAS.Channel.IEngineeringUnitAware).EngineeringUnits;
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var paddedEu = (1 == eu.Length % 2) ? (eu.Clone() as string).PadRight(eu.Length + 1, ' ') : eu;
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channelHeader.EuFieldLengthWithTerminator = (ushort)(paddedEu.Length + 1);
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channelHeader.EngineeringUnit = new char[channelHeader.EuFieldLengthWithTerminator - 1];
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for (var j = 0; j < channelHeader.EuFieldLengthWithTerminator - 1; j++)
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{
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channelHeader.EngineeringUnit[j] = paddedEu[j];
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}
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}
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else
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{
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channelHeader.EuFieldLengthWithTerminator = 1;
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channelHeader.EngineeringUnit = new char[0];
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}
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// Do ISO code information.
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channelHeader.IsoCode = new char[16];
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// Make sure memory-mapped file does NOT exist (persistent channel object will overwrite header but append data
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// after old file data... don't want that!)
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if (System.IO.File.Exists(filepath))
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{
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GC.Collect();
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FileUtils.DeleteFileOrMove(filepath, APILogger.Log);
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////Rename existing channel file and kick off thread that will deleted it some time later. This needs to
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////happen in this case as the test tree still contains references to the original file and it can't be deleted
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////here. After a new channel is added, the old one is removed. The worker thread should wait long enough for that
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////to happen (or better, check to see when it does) and then delete the file. This should eliminate the File.IO
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////Exception that was being thrown.
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//string tmpfilepath = filepath + ".bak";
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//APILogger.Log("Renaming: " + filepath + " to " + tmpfilepath + " and deferring deletion.");
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//System.IO.Path.ChangeExtension(filepath, Guid.NewGuid().ToString());
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//System.Threading.ThreadPool.QueueUserWorkItem(DeleteChannelFile, tmpfilepath);
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}
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// Create the persistent channel object and return it.
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return new Serialization.SliceRaw.File.PersistentChannel(filepath, channelHeader, true);
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}
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/// <summary>
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/// this function takes a calculation and a list of input channels and returns
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/// a list of doubles that is the output of doing that calculation
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/// </summary>
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/// <param name="calculation"></param>
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/// <param name="channels"></param>
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/// <returns></returns>
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private static IList<double> PerformCalculationsAggregate(Calculation calculation,
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List<Test.Module.Channel> channels)
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{
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var maxSampleRate = channels.Select(ch => ch.ParentModule.SampleRateHz).Max();
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//this will hold the unfiltered input data for all the input channels
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var unfilteredDataEU = new List<List<double>>();
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//this will hold the output data
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var dOutput = new List<double>();
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//this will hold the emc channel data for the input channels (the input channels already have this data
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//but keeping a local reference here removes some repeated casting that we'd have to do
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var emcChannels = new List<Event.Module.Channel>();
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//we may have different start times and the sample indices may not align, if we pick the first channel as a reference
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//channel, then we can keep track of the delta for each channels start and the reference channel start in terms of samples
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foreach (var ch in channels)
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{
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var emc = ch.emc as Event.Module.Channel;
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emcChannels.Add(emc);
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var data = emc.GetUnfilteredDataEu();
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unfilteredDataEU.Add(data);
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var start = GetTimeOfFirstSample(emc);
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}
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//any aggregate channels (SUM/AVE) just keep a single double and update it as needed while processing samples
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var dAggregateValue = 0D;
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var bAdd = true;
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var currentChannelSampleIndex = 0;
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//to properly aggregate, we need to put both datasets to the right sample rate
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//using interpolation
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//we need to calculate the min/max time across all channels and then
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//the specific min of each channel, this tells us how to align data
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var minStart = channels.Select(ch => ((double)ch.ParentModule.TriggerSampleNumbers[0] - ch.ParentModule.StartRecordSampleNumber) / ch.ParentModule.SampleRateHz).Min();
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var minEnd = double.MaxValue;
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var channelOffsetStarts = new List<int>();
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var rates = new List<double>();
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for (int i = 0; i < channels.Count; i++)
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{
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var ch = channels[i];
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var chStart = ((double)ch.ParentModule.TriggerSampleNumbers[0] - ch.ParentModule.StartRecordSampleNumber) / ch.ParentModule.SampleRateHz;
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var channelOffsetStart = (int)((chStart - minStart) * ch.ParentModule.SampleRateHz);
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channelOffsetStarts.Add(channelOffsetStart);
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var chEnd = ch.ParentModule.NumberOfSamples - chStart * ch.ParentModule.SampleRateHz;
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minEnd = Math.Min(minEnd, chEnd / ch.ParentModule.SampleRateHz);
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var rate = maxSampleRate / ch.ParentModule.SampleRateHz;
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rates.Add(rate);
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}
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minStart = -1D * Math.Truncate(1000D * minStart) / 1000D;
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minEnd = Math.Truncate(1000D * minEnd) / 1000D;
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var totalSamples = Convert.ToInt32(Math.Floor((minEnd - minStart) * maxSampleRate));
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for (var iSampleIDX = 0; iSampleIDX < totalSamples; iSampleIDX++)
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{
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var timeAtIndex =
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dAggregateValue = 0;
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bAdd = true;
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var dSumSquares = 0D;
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for (var iChannel = 0; iChannel < emcChannels.Count; iChannel++)
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{
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var rate = rates[iChannel];
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var indexAtCurrentTime = (iSampleIDX - channelOffsetStarts[iChannel]) / rate;
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var thisChannelsIndexAtCurrentTime = Convert.ToInt32(Math.Floor(indexAtCurrentTime));
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var step = Convert.ToInt32(Math.Ceiling(indexAtCurrentTime) - thisChannelsIndexAtCurrentTime);
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if (currentChannelSampleIndex < 0 || currentChannelSampleIndex >= unfilteredDataEU[iChannel].Count)
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{
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bAdd = false;
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break;
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}
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var dataAtPoint = unfilteredDataEU[iChannel][thisChannelsIndexAtCurrentTime];
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var increment = 0D;
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if ((1 + thisChannelsIndexAtCurrentTime) < unfilteredDataEU[iChannel].Count)
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{
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increment = (unfilteredDataEU[iChannel][1 + thisChannelsIndexAtCurrentTime] - dataAtPoint) / rate;
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}
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else
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{
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increment = (dataAtPoint - unfilteredDataEU[iChannel][thisChannelsIndexAtCurrentTime - 1]) / rate;
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}
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dataAtPoint += (increment * step);
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dAggregateValue += dataAtPoint;
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//HIC must be in g's
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if (calculation == Calculation.HIC)
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{
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if (((Event.Module.AnalogInputChannel)emcChannels[iChannel]).EngineeringUnits.ToLower().Trim() != "g")
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{
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//convert from m/sec^2 to g
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dataAtPoint *= 9.80665D;
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}
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}
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dSumSquares += Math.Pow(dataAtPoint, 2);
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}
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if (!bAdd) continue;
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switch (calculation)
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{
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case Calculation.AVE: dOutput.Add(dAggregateValue / channels.Count); break;
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case Calculation.SUM: dOutput.Add(dAggregateValue); break;
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case Calculation.Resultant:
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case Calculation.HIC:
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dOutput.Add(Math.Sqrt(dSumSquares));
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break;
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}
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}
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return dOutput;
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}
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/// <summary>
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/// performs calculations for a binary calculation channel (integrate/differentiate/FFT, etc)
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/// </summary>
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/// <param name="calculation"></param>
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/// <param name="channel"></param>
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/// <returns></returns>
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private static IList<double> PerformCalculationBinary(Calculation calculation, Event.Module.Channel channel)
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{
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var data = channel.GetUnfilteredDataEu();
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var sampleRate = Convert.ToInt32(channel.ParentModule.SampleRateHz);
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switch (calculation)
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{
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case Calculation.Integral:
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{
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var db = new ClonableDoubles();
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db.AddRange(data.ToArray());
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var integral = new Common.Utilities.Math.Nhtsa.Integration(db, sampleRate);
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return integral.Range;
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}
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case Calculation.DoubleIntegral:
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{
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var db = new ClonableDoubles();
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db.AddRange(data.ToArray());
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var integral = new Common.Utilities.Math.Nhtsa.Integration(db, sampleRate);
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db = new ClonableDoubles();
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db.AddRange(integral.Range);
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var doubleIntegral = new Common.Utilities.Math.Nhtsa.Integration(db, sampleRate);
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return doubleIntegral.Range;
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}
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case Calculation.Derivative:
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{
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var db = new ClonableDoubles();
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db.AddRange(data.ToArray());
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var derivative = new Common.Utilities.Math.Nhtsa.Differentiation(db, sampleRate);
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return derivative.Range;
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}
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case Calculation.Sin:
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{
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return channel.DataEu.Select(euSample => Math.Sin(euSample)).ToList();
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}
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case Calculation.Cos:
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{
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return channel.DataEu.Select(euSample => Math.Cos(euSample)).ToList();
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}
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}
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return new List<double>();
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}
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private static Test.Module.CalculatedChannel CreateCalculatedChannelsIRTRACC(Calculation calculation, Test.Module.Channel[] inputChannels)
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{
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switch (calculation)
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{
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case Calculation.ThreeDIRTracc:
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case Calculation.ThreeDIRTraccAbdomen:
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case Calculation.ThreeDIRTraccLowerThorax:
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return Test.Module.CalculatedChannel.CreateInstance(new[]
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{
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inputChannels[0],
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inputChannels[1],
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inputChannels[2]
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});
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default:
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return Test.Module.CalculatedChannel.CreateInstance(inputChannels[0]);
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}
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}
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//private Event.Module.Channel GetSourceEMC()
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//{
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// switch (_calculation)
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// {
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// case Calculation.ThreeDIRTracc:
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// case Calculation.ThreeDIRTraccAbdomen:
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// case Calculation.ThreeDIRTraccLowerThorax:
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// return
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// (cbIRTracc.SelectedItem as ChannelHelper).MyChannel.emc as Event.Module.Channel;
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// default:
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// return _sourceChannel.emc as Event.Module.Channel;
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// }
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//}
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//private static void DeleteChannelFile(object filepath)
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//{
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// FileUtils.DeleteFileOrMove((string)filepath, APILogger.Log);
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//}
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/// <summary>
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/// performs the IR-Tracc 3D calculation
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/// based on issue
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/// 7489 Implement 2D/3D IRTRACC support
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/// </summary>
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/// <param name="dAX"></param>
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/// <param name="dAY"></param>
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/// <param name="dAZ"></param>
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/// <param name="dOut"></param>
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private static void PerformCalculation(out IList<double> dAX, out IList<double> dAY, out IList<double> dAZ, out IList<double> dOut,
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Test.Module.Channel irTraccChannel, Test.Module.Channel rPot1Channel, Test.Module.Channel rPot2Channel, ThreeDIRTraccType irtraccType)
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{
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var maxRate = Math.Max(rPot1Channel.ParentModule.SampleRateHz, rPot2Channel.ParentModule.SampleRateHz);
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maxRate = Math.Max(maxRate, irTraccChannel.ParentModule.SampleRateHz);
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var irtraccEMC = irTraccChannel.emc as Event.Module.Channel;
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var rPot1EMC = rPot1Channel.emc as Event.Module.Channel;
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var rPot2EMC = rPot2Channel.emc as Event.Module.Channel;
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if (0 != maxRate % rPot1Channel.ParentModule.SampleRateHz) { throw new InvalidOperationException($"Sample rate: {maxRate} is not a multiple of sample rate: {rPot1Channel.ParentModule.SampleRateHz}"); }
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if (0 != maxRate % rPot2Channel.ParentModule.SampleRateHz) { throw new InvalidOperationException($"Sample rate: {maxRate} is not a multiple of sample rate: {rPot2Channel.ParentModule.SampleRateHz}"); }
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if (0 != maxRate % irTraccChannel.ParentModule.SampleRateHz) { throw new InvalidOperationException($"Sample rate: {maxRate} is not a multiple of sample rate: {irTraccChannel.ParentModule.SampleRateHz}"); }
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//this is the EU data for each channel NOTE - ALL CHANNELS MUST NOT BE USING ZEROING!!! (we handle zeroing already below)
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var irTraccEUData = irtraccEMC.GetUnfilteredDataEu();
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DiskUtility.ReplaceDataIfNeeded(ref irTraccEUData, "DISPLEU.txt");
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//var irTraccmVData = irtraccEMC.GetUnfilteredDataMV();
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var rPot1EUData = rPot1EMC.GetUnfilteredDataEu();
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DiskUtility.ReplaceDataIfNeeded(ref rPot1EUData, "YPOTEU.txt");
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var rPot2EUData = rPot2EMC.GetUnfilteredDataEu();
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DiskUtility.ReplaceDataIfNeeded(ref rPot2EUData, "ZPOTEU.txt");
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//this calculates start time for each channel
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var startIRTracc = (double)(irTraccChannel.ParentModule.TriggerSampleNumbers[0] - irTraccChannel.ParentModule.StartRecordSampleNumber) / irTraccChannel.ParentModule.SampleRateHz;
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startIRTracc = -1D * Math.Truncate(startIRTracc * 1000D) / 1000D;
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var startRPot1 = (double)(rPot1Channel.ParentModule.TriggerSampleNumbers[0] - rPot1Channel.ParentModule.StartRecordSampleNumber) / rPot1Channel.ParentModule.SampleRateHz;
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startRPot1 = -1D * Math.Truncate(startRPot1 * 1000D) / 1000D;
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var startRPot2 = (double)(rPot2Channel.ParentModule.TriggerSampleNumbers[0] - rPot2Channel.ParentModule.StartRecordSampleNumber) / rPot2Channel.ParentModule.SampleRateHz;
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startRPot2 = -1D * Math.Truncate(startRPot2 * 1000D) / 1000D;
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//this calculates the end for each channel
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var endIRTracc = (irTraccChannel.ParentModule.NumberOfSamples + startIRTracc * irTraccChannel.ParentModule.SampleRateHz) / irTraccChannel.ParentModule.SampleRateHz;
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endIRTracc = Math.Truncate(endIRTracc * 1000D) / 1000D;
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var endRPot1 = (rPot1Channel.ParentModule.NumberOfSamples + startRPot1 * rPot1Channel.ParentModule.SampleRateHz) / rPot1Channel.ParentModule.SampleRateHz;
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endRPot1 = Math.Truncate(endRPot1 * 1000D) / 1000D;
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var endRPot2 = (rPot2Channel.ParentModule.NumberOfSamples + startRPot2 * rPot2Channel.ParentModule.SampleRateHz) / rPot2Channel.ParentModule.SampleRateHz;
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endRPot2 = Math.Truncate(endRPot2 * 1000D) / 1000D;
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//here we select the latest start between channels
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var start = Math.Max(startIRTracc, startRPot1);
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start = Math.Max(start, startRPot2);
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//here we find the earliest end between the channels
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var end = Math.Min(endIRTracc, endRPot1);
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end = Math.Min(end, endRPot2);
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// we will super sample to the highest sample rate, and use a common start/stop between all channels.
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var length = Convert.ToInt32(Math.Floor((end - start) * maxRate));
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//these are the containers for our output data
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dAX = new List<double>(length);
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dAY = new List<double>(length);
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dAZ = new List<double>(length);
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dOut = new List<double>(length);
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var aicIRTRACC = irTraccChannel as Test.Module.AnalogInputChannel;
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var aicRPot1 = rPot1Channel as Test.Module.AnalogInputChannel;
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var aicRPOT2 = rPot2Channel as Test.Module.AnalogInputChannel;
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//calculates the rate of each channel relative to the highest rate of any of the channels
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var rateIRTracc = Convert.ToInt32(Math.Ceiling(maxRate / irTraccChannel.ParentModule.SampleRateHz));
|
||||
var rateRPot1 = Convert.ToInt32(Math.Ceiling(maxRate / rPot1Channel.ParentModule.SampleRateHz));
|
||||
var rateRPot2 = Convert.ToInt32(Math.Ceiling(maxRate / rPot2Channel.ParentModule.SampleRateHz));
|
||||
|
||||
var R0 = aicIRTRACC.LinearizationFormula.CalibrationFactor * Math.Pow(aicIRTRACC.ZeroPoint, aicIRTRACC.LinearizationFormula.LinearizationExponent);
|
||||
//we are converting to volt as sensitivity is in mV/V and our original calculation is in deg/V/V
|
||||
var θy0 = aicRPot1.InitialEu; //((1000D/aicRPot1.Sensitivity)/aicRPot1.FactoryExcitationVoltage)*aicRPot1.ZeroPoint;
|
||||
var θz0 = aicRPOT2.InitialEu; //((1000D/aicRPOT2.Sensitivity)/aicRPOT2.FactoryExcitationVoltage)*aicRPOT2.ZeroPoint;
|
||||
|
||||
//all the formulas use the first data point to zero the output channel data, these variables will hold that zero data for out output channels
|
||||
//this is columns V through Y
|
||||
var xa1_0 = double.NaN;
|
||||
var ya1_0 = double.NaN;
|
||||
var za1_0 = double.NaN;
|
||||
var dOut_0 = double.NaN;
|
||||
|
||||
//your delta and D0 are dependent on your 3D-IRTRACC type, we get the constant for each type from the config file
|
||||
var δ = 0D;
|
||||
var D0 = 0D;
|
||||
switch (irtraccType)
|
||||
{
|
||||
case ThreeDIRTraccType.Abdomen:
|
||||
δ = SensorConstants.δAbdomen;
|
||||
D0 = SensorConstants.D0Abdomen;
|
||||
break;
|
||||
case ThreeDIRTraccType.Thorax:
|
||||
δ = SensorConstants.δThorax;
|
||||
D0 = SensorConstants.D0Thorax;
|
||||
break;
|
||||
case ThreeDIRTraccType.LowerThorax:
|
||||
δ = SensorConstants.δThoraxLower;
|
||||
D0 = SensorConstants.D0ThoraxLower;
|
||||
break;
|
||||
default:
|
||||
throw new NotSupportedException("unsupported irtracc type: " + irtraccType.ToString());
|
||||
}
|
||||
|
||||
//calculates the offset in samples for each channels start relative to the
|
||||
//latest common start time between channels
|
||||
var irTraccOffsetStart = (int)(startIRTracc - start) * irTraccChannel.ParentModule.SampleRateHz;
|
||||
var rPot1OffsetStart = (int)(startRPot1 - start) * rPot1Channel.ParentModule.SampleRateHz;
|
||||
var rPot2OffsetStart = (int)(startRPot2 - start) * rPot2Channel.ParentModule.SampleRateHz;
|
||||
|
||||
//go through all samples in the output, calculate the index for each channel and do some calcs
|
||||
for (var i = 0; i < length; i++)
|
||||
{
|
||||
//this is the index for the given time, this index could be theoretical
|
||||
//and doesn't exist (ie 1.5)
|
||||
var indexAtCurrentTimeIRTracc = (i - irTraccOffsetStart) / rateIRTracc;
|
||||
//this is the actual index that physically exists (1 for 1.5 for instance)
|
||||
var actualIndexAtCurrentTimeIRTracc = Convert.ToInt32(Math.Floor(indexAtCurrentTimeIRTracc));
|
||||
//this is the linear interpolation "step" between this sample and the next
|
||||
//sample
|
||||
var stepIRTracc = Convert.ToInt32(Math.Ceiling(indexAtCurrentTimeIRTracc) - actualIndexAtCurrentTimeIRTracc);
|
||||
|
||||
var indexAtCurrentTimeRPot1 = (i - rPot1OffsetStart) / rateRPot1;
|
||||
var actualIndexAtCurrentTimeRPot1 = Convert.ToInt32(Math.Floor(indexAtCurrentTimeRPot1));
|
||||
var stepRPot1 = Convert.ToInt32(Math.Ceiling(indexAtCurrentTimeIRTracc) - actualIndexAtCurrentTimeIRTracc);
|
||||
|
||||
var indexAtCurrentTimeRPot2 = (i - rPot2OffsetStart) / rateRPot2;
|
||||
var actualIndexAtCurrentTimeRPot2 = Convert.ToInt32(Math.Floor(indexAtCurrentTimeRPot2));
|
||||
var stepRPot2 = Convert.ToInt32(Math.Ceiling(indexAtCurrentTimeRPot2) - actualIndexAtCurrentTimeRPot2);
|
||||
|
||||
var incrementIRTracc = 0D;
|
||||
var valueIRTraccAtPoint = irTraccEUData[actualIndexAtCurrentTimeIRTracc];
|
||||
var incrementRPot1 = 0D;
|
||||
var valueRPot1AtPoint = rPot1EUData[actualIndexAtCurrentTimeRPot1];
|
||||
var incrementRPot2 = 0D;
|
||||
var valueRPot2AtPoint = rPot2EUData[actualIndexAtCurrentTimeRPot2];
|
||||
|
||||
//calculate the interpolation value per step for channel
|
||||
//for instance for 10k and 20k sps for sample 2 of the 10k
|
||||
//increment would be (data[2]-data[1])/2
|
||||
if ((1 + actualIndexAtCurrentTimeIRTracc) < irTraccEUData.Count)
|
||||
{
|
||||
incrementIRTracc = (irTraccEUData[1 + actualIndexAtCurrentTimeIRTracc] - valueIRTraccAtPoint) / rateIRTracc;
|
||||
}
|
||||
else
|
||||
{
|
||||
incrementIRTracc = (valueIRTraccAtPoint - irTraccEUData[actualIndexAtCurrentTimeIRTracc - 1]) / rateIRTracc;
|
||||
}
|
||||
|
||||
if ((1 + actualIndexAtCurrentTimeRPot1) < rPot1EUData.Count)
|
||||
{
|
||||
incrementRPot1 = (rPot1EUData[1 + actualIndexAtCurrentTimeRPot1] - valueRPot1AtPoint) / rateRPot1;
|
||||
}
|
||||
else
|
||||
{
|
||||
incrementRPot1 = (valueRPot1AtPoint - rPot1EUData[actualIndexAtCurrentTimeRPot1 - 1]) / rateRPot1;
|
||||
}
|
||||
|
||||
if ((1 + actualIndexAtCurrentTimeRPot2) < rPot2EUData.Count)
|
||||
{
|
||||
incrementRPot2 = (rPot2EUData[1 + actualIndexAtCurrentTimeRPot2] - valueRPot2AtPoint) / rateRPot2;
|
||||
}
|
||||
else
|
||||
{
|
||||
incrementRPot2 = (valueRPot2AtPoint = rPot2EUData[actualIndexAtCurrentTimeRPot2 - 1]) / rateRPot2;
|
||||
}
|
||||
|
||||
//math magic from excel
|
||||
//double b = D0 + System.Math.Abs(irTraccEUData[i] - calFactorInterceptRemoval) - R0;
|
||||
//double R = aicIRTRACC.LinearizationFormula.CalibrationFactor*
|
||||
// System.Math.Pow(irTraccmVData[i]/1000D, aicIRTRACC.LinearizationFormula.LinearizationExponent);
|
||||
//D0+(R-R0) this is column N
|
||||
//double r = D0 + (R - R0);
|
||||
var r = valueIRTraccAtPoint + incrementIRTracc * stepIRTracc;
|
||||
//θy'=θy-θy0 this is column O
|
||||
var θyprime = valueRPot1AtPoint + incrementRPot1 * stepRPot1 - θy0;
|
||||
//θz'=θz-θz0 this is column p
|
||||
var θzprime = valueRPot2AtPoint + incrementRPot2 * stepRPot2 - θz0;
|
||||
//this is column r
|
||||
var xa1 = -1D * δ * Math.Sin(θyprime * Math.PI / 180) + r * Math.Cos(θzprime * Math.PI / 180) * Math.Cos(θyprime * Math.PI / 180);
|
||||
//this is column s
|
||||
var ya1 = r * Math.Sin(θzprime * Math.PI / 180);
|
||||
//this is column t
|
||||
var za1 = -1D * δ * Math.Cos(θyprime * Math.PI / 180D) - r * Math.Cos(θzprime * Math.PI / 180D) * Math.Sin(θyprime * Math.PI / 180D);
|
||||
|
||||
//assign the output channel zero points if needed
|
||||
if (double.IsNaN(xa1_0)) { xa1_0 = xa1; }
|
||||
if (double.IsNaN(ya1_0)) { ya1_0 = ya1; }
|
||||
if (double.IsNaN(za1_0)) { za1_0 = za1; }
|
||||
|
||||
//add in our data to the output channels
|
||||
dAX.Add(xa1 - xa1_0);
|
||||
dAY.Add(ya1 - ya1_0);
|
||||
dAZ.Add(za1 - za1_0);
|
||||
|
||||
//this is column Z
|
||||
var temp = Math.Sqrt(Math.Pow(r, 2) + Math.Pow(δ, 2));
|
||||
if (double.IsNaN(dOut_0)) { dOut_0 = temp; }
|
||||
dOut.Add(temp - dOut_0);
|
||||
}
|
||||
}
|
||||
|
||||
private static double GetTimeOfFirstSample(Event.Module.Channel channel)
|
||||
{
|
||||
return ((double)channel.ParentModule.TriggerSampleNumbers[0] -
|
||||
channel.ParentModule.StartRecordSampleNumber) / channel.ParentModule.SampleRateHz;
|
||||
}
|
||||
|
||||
private static Test.Module.CalculatedChannel[] Create3DIRTraccChannels(string testId, string folder,
|
||||
List<Test.Module.Channel> inputChannels, string channelName, ThreeDIRTraccType irTraccType, int offset, int defaultEncoding)
|
||||
{
|
||||
System.Diagnostics.Trace.Assert(3 == inputChannels.Count, "3D IR-TRACC requires 3 channels");
|
||||
|
||||
var maxRate = inputChannels.Select(ch => ch.ParentModule.SampleRateHz).Max();
|
||||
var distinctRates = inputChannels.Select(ch => ch.ParentModule.SampleRateHz).Distinct().ToArray();
|
||||
|
||||
foreach (var rate in distinctRates)
|
||||
{
|
||||
if (0 != maxRate % rate)
|
||||
{
|
||||
throw new NotSupportedException($"Sample rate: {maxRate} is not a multiple of sample rate: {rate}");
|
||||
}
|
||||
}
|
||||
|
||||
if (distinctRates.Length > 1)
|
||||
{
|
||||
var eventAggregator = ContainerLocator.Container.Resolve<IEventAggregator>();
|
||||
eventAggregator.GetEvent<PageErrorEvent>().Publish(new PageErrorArg(new[] { Resources.StringResources.SuperSamplingWarning }, null));
|
||||
}
|
||||
|
||||
var irtraccEMC = inputChannels[0].emc as Event.Module.Channel;
|
||||
var rPot1EMC = inputChannels[1].emc as Event.Module.Channel;
|
||||
var rPot2EMC = inputChannels[2].emc as Event.Module.Channel;
|
||||
|
||||
var calc = Calculation.ThreeDIRTracc;
|
||||
switch (irTraccType)
|
||||
{
|
||||
case ThreeDIRTraccType.Abdomen: calc = Calculation.ThreeDIRTraccAbdomen; break;
|
||||
case ThreeDIRTraccType.Thorax: calc = Calculation.ThreeDIRTracc; break;
|
||||
case ThreeDIRTraccType.LowerThorax: calc = Calculation.ThreeDIRTraccLowerThorax; break;
|
||||
}
|
||||
|
||||
var ccDeltaAX = CreateCalculatedChannelsIRTRACC(calc, new[] { inputChannels[0], inputChannels[1], inputChannels[2] });
|
||||
ccDeltaAX.ChannelDescriptionString = channelName + " (dAX)";
|
||||
|
||||
var ccDeltaAY = CreateCalculatedChannelsIRTRACC(calc, new[] { inputChannels[0], inputChannels[1], inputChannels[2] });
|
||||
ccDeltaAY.ChannelDescriptionString = channelName + " (dAY)";
|
||||
|
||||
var ccDeltaAZ = CreateCalculatedChannelsIRTRACC(calc, new[] { inputChannels[0], inputChannels[1], inputChannels[2] });
|
||||
ccDeltaAZ.ChannelDescriptionString = channelName + " (dAZ)";
|
||||
|
||||
var ccDistanceDelta = CreateCalculatedChannelsIRTRACC(calc, new[] { inputChannels[0], inputChannels[1], inputChannels[2] });
|
||||
ccDistanceDelta.ChannelDescriptionString = channelName;
|
||||
|
||||
var outputChannels = new Test.Module.CalculatedChannel[] { ccDeltaAX, ccDeltaAY, ccDeltaAZ, ccDistanceDelta };
|
||||
|
||||
foreach (var cc in outputChannels)
|
||||
{
|
||||
cc.Calculation = calc.ToString();
|
||||
cc.AbsoluteDisplayOrder = ChannelNumberCalculationChannelIndicator + irtraccEMC.AbsoluteDisplayOrder + offset;
|
||||
cc.Number = ChannelNumberCalculationChannelIndicator + offset;
|
||||
cc.ProportionalToExcitation = false;
|
||||
cc.ZeroMvInADC = 0;
|
||||
cc.OriginalOffsetADC = 0;
|
||||
cc.Data.MvPerEu = 1;
|
||||
cc.Data.Multiplier = 1;
|
||||
cc.Data.UnitConversion = 1;
|
||||
cc.Data.UserOffsetEU = 0;
|
||||
cc.ExcitationVoltage = 0;
|
||||
cc.Excitation = 0;
|
||||
cc.ZeroMethod = ZeroMethodType.None;
|
||||
cc.RemoveOffset = false;
|
||||
cc.ChannelId = irtraccEMC.ChannelId + "_" + (cc.Number + offset);
|
||||
cc.ChannelGroupName = irtraccEMC.ChannelGroupName;
|
||||
cc.IsInverted = false;
|
||||
cc.PreTestZeroLevelAdc = 0;
|
||||
cc.SerialNumber = cc.ChannelDescriptionString;
|
||||
var emc = new Event.Module.AnalogInputChannel(cc, irtraccEMC.ParentModule, cc.Number);
|
||||
cc.emc = emc;
|
||||
offset++;
|
||||
}
|
||||
|
||||
ccDeltaAX.EngineeringUnits = "mm";
|
||||
ccDeltaAY.EngineeringUnits = "mm";
|
||||
ccDeltaAZ.EngineeringUnits = "mm";
|
||||
ccDistanceDelta.EngineeringUnits = "mm";
|
||||
|
||||
|
||||
PerformCalculation(out IList<double> dax, out IList<double> day, out IList<double> daz, out IList<double> dDistance, inputChannels[0], inputChannels[1], inputChannels[2], irTraccType);
|
||||
irtraccEMC = null;
|
||||
rPot1EMC = null;
|
||||
rPot2EMC = null;
|
||||
|
||||
var datas = new[] { dax, day, daz, dDistance };
|
||||
|
||||
for (var i = 0; i < datas.Length && i < outputChannels.Length; i++)
|
||||
{
|
||||
var data = datas[i];
|
||||
var scaleFactor = 0D;
|
||||
var adcData = ScaleEuData(ref data, out scaleFactor);
|
||||
outputChannels[i].Sensitivity = scaleFactor;
|
||||
outputChannels[i].DesiredRange = Constants.ADC_MIDPOINT / scaleFactor;
|
||||
//adjust the output channel with the max rate we super sampled to
|
||||
//and update the number of samples...
|
||||
outputChannels[i].SampleRateHz = maxRate;
|
||||
outputChannels[i].ParentModule.NumberOfSamples = Convert.ToUInt64(data.Count);
|
||||
((Event.Module.AnalogInputChannel)outputChannels[i].emc).ParentModule.SampleRateHz = maxRate;
|
||||
((Event.Module.AnalogInputChannel)outputChannels[i].emc).ParentModule.NumberOfSamples = Convert.ToUInt64(data.Count);
|
||||
var f = new Serialization.SliceRaw.File { DefaultEncoding = defaultEncoding };
|
||||
|
||||
var fileName = new Serialization.SliceRaw.File().GetCalculatedChannelFileNameFromTestNameAndChannelNumber(testId, outputChannels[i].Number);
|
||||
|
||||
var filepath = System.IO.Path.Combine(folder, fileName);
|
||||
|
||||
outputChannels[i].Data.ScaleFactorMv = 1 / scaleFactor;
|
||||
outputChannels[i].Data.ScaleFactorEU = 1 / scaleFactor;
|
||||
|
||||
outputChannels[i].LinearizationFormula.MarkValid(false);
|
||||
outputChannels[i].PersistentChannelInfo = CreatePersistentInformationObject(outputChannels[i], filepath);
|
||||
|
||||
outputChannels[i].PersistentChannelInfo.BeginAppendSession();
|
||||
outputChannels[i].PersistentChannelInfo.AppendSessionData(adcData.ToArray());
|
||||
outputChannels[i].PersistentChannelInfo.EndAppendSession();
|
||||
|
||||
var writer = (f.Exporter as Serialization.SliceRaw.File.Writer);
|
||||
writer?.CreatePersistentChannel(outputChannels[i], outputChannels[i].ParentModule.NumberOfSamples, outputChannels[i].ParentModule.SampleRateHz, null, null, 0, 0);
|
||||
var bypass = false;
|
||||
var reader = f.Importer as Serialization.SliceRaw.File.Reader;
|
||||
reader?.ReadChannel(outputChannels[i], outputChannels[i].ParentModule, filepath, ref bypass);
|
||||
(outputChannels[i].emc as Event.Module.Channel).UnfilteredData = outputChannels[i].PersistentChannelInfo;
|
||||
(outputChannels[i].emc as Event.Module.Channel).Scaler.SetScaleFactorMv(1D / scaleFactor);
|
||||
}
|
||||
return outputChannels.ToArray();
|
||||
}
|
||||
private static Test.Module.CalculatedChannel[] CreateChannelsAggregateOperation(string testId, string folder,
|
||||
Calculation calculation, List<Test.Module.Channel> inputChannels, string channelName, int channelOffset, int clipLength)
|
||||
{
|
||||
System.Diagnostics.Trace.Assert(1 < inputChannels.Count,
|
||||
calculation.ToString() + " requires at least 1 channel");
|
||||
|
||||
var sourceEmc = inputChannels[0].emc as Event.Module.Channel;
|
||||
var sourceChannel = inputChannels[0];
|
||||
|
||||
var maxSampleRate = inputChannels.Select(ch => ch.ParentModule.SampleRateHz).Max();
|
||||
var distinctRates = inputChannels.Select(ch => ch.ParentModule.SampleRateHz).Distinct().ToArray();
|
||||
|
||||
foreach (var rate in distinctRates)
|
||||
{
|
||||
if (maxSampleRate % rate != 0)
|
||||
{
|
||||
throw new NotSupportedException($"Sample rate: {maxSampleRate} is not a multiple of {rate}");
|
||||
}
|
||||
}
|
||||
|
||||
if (distinctRates.Length > 1)
|
||||
{
|
||||
var eventAggregator = ContainerLocator.Container.Resolve<IEventAggregator>();
|
||||
eventAggregator.GetEvent<PageErrorEvent>().Publish(new PageErrorArg(new[] { Resources.StringResources.SuperSamplingWarning }, null));
|
||||
}
|
||||
|
||||
//Create new test channel
|
||||
var cc = CreateCalculatedChannelsIRTRACC(calculation, new[] { sourceChannel });
|
||||
cc.SampleRateHz = maxSampleRate;
|
||||
cc.Calculation = calculation.ToString();
|
||||
cc.ChannelDescriptionString = channelName;
|
||||
cc.AbsoluteDisplayOrder = ChannelNumberCalculationChannelIndicator + channelOffset;
|
||||
cc.Number = ChannelNumberCalculationChannelIndicator + channelOffset;
|
||||
cc.ProportionalToExcitation = false;
|
||||
cc.ZeroMvInADC = 0;
|
||||
cc.OriginalOffsetADC = 0;
|
||||
cc.Data.MvPerEu = 1;
|
||||
cc.Data.Multiplier = sourceEmc.Multiplier;
|
||||
cc.Data.UnitConversion = sourceEmc.UnitConversion;
|
||||
cc.Data.UserOffsetEU = sourceEmc.UserOffsetEU;
|
||||
cc.ExcitationVoltage = 0;
|
||||
cc.Excitation = 0;
|
||||
cc.ZeroMethod = ZeroMethodType.None;
|
||||
cc.RemoveOffset = false;
|
||||
cc.ChannelId = sourceChannel.ChannelId + "_" + cc.Number;
|
||||
cc.ChannelGroupName = sourceChannel.ChannelGroupName;
|
||||
cc.IsInverted = false;
|
||||
|
||||
var emc = new Event.Module.AnalogInputChannel(cc, sourceEmc.ParentModule, sourceEmc.AbsoluteNumber);
|
||||
cc.emc = emc;
|
||||
|
||||
//Do the maths. Use source channel as source for data as it's properly set up.
|
||||
var euData = PerformCalculationsAggregate(calculation, inputChannels);
|
||||
|
||||
cc.ParentModule.NumberOfSamples = Convert.ToUInt64(euData.Count);
|
||||
emc.ParentModule.NumberOfSamples = Convert.ToUInt64(euData.Count);
|
||||
|
||||
//Don't use the source channel emc anymore.
|
||||
sourceEmc = null;
|
||||
|
||||
//Scale the data
|
||||
var adcData = ScaleEuData(ref euData, out double scaleFactor);
|
||||
cc.Sensitivity = scaleFactor;
|
||||
|
||||
//Test by writing source channel data. Readback should be identical
|
||||
var f = new Serialization.SliceRaw.File();
|
||||
f.DefaultEncoding = Encoding.Unicode.CodePage;
|
||||
|
||||
//Create file with from source channel. At this point it's not complete -- it still needs number of
|
||||
//samples, etc.
|
||||
var filename = new Serialization.SliceRaw.File().GetCalculatedChannelFileNameFromTestNameAndChannelNumber(testId, cc.Number);
|
||||
var filepath = System.IO.Path.Combine(folder, filename);
|
||||
|
||||
cc.Data.ScaleFactorMv = 1 / scaleFactor;
|
||||
cc.Data.ScaleFactorEU = 1 / scaleFactor;
|
||||
switch (calculation)
|
||||
{
|
||||
default:
|
||||
cc.DesiredRange = Constants.ADC_MIDPOINT / scaleFactor;
|
||||
if (sourceChannel is Test.Module.AnalogInputChannel analogInputChannel) { cc.EngineeringUnits = analogInputChannel.EngineeringUnits; }
|
||||
else { cc.EngineeringUnits = "NOT DEFINED"; }
|
||||
break;
|
||||
|
||||
case Calculation.Sin:
|
||||
case Calculation.Cos:
|
||||
cc.DesiredRange = 1.1;
|
||||
cc.EngineeringUnits = "rads";
|
||||
break;
|
||||
}
|
||||
|
||||
//All done with channel. Create persistent object with what's in the channel object
|
||||
cc.PersistentChannelInfo = CreatePersistentInformationObject(cc, filepath);
|
||||
|
||||
//Write out the data to the memory-mapped file
|
||||
cc.PersistentChannelInfo.BeginAppendSession();
|
||||
cc.PersistentChannelInfo.AppendSessionData(adcData.ToArray());
|
||||
cc.PersistentChannelInfo.EndAppendSession();
|
||||
|
||||
//Use the export writer to update the binary channel fields with everything that's missing. This will also
|
||||
//Update the CRC.
|
||||
var writer = (f.Exporter as Serialization.SliceRaw.File.Writer);
|
||||
writer.CreatePersistentChannel(cc, cc.ParentModule.NumberOfSamples, cc.ParentModule.SampleRateHz, null, null, 0, 0);
|
||||
|
||||
//At this point the PersistentChannel is blown away. Read it back in and hook it up.
|
||||
var bypass = false;
|
||||
(f.Importer as Serialization.SliceRaw.File.Reader).ReadChannel(cc, cc.ParentModule, filepath, ref bypass);
|
||||
|
||||
emc.UnfilteredData = cc.PersistentChannelInfo;
|
||||
|
||||
if (calculation == Calculation.HIC)
|
||||
{
|
||||
var channelData = new ChannelData("g");
|
||||
channelData.FilteredEU = euData.ToArray();
|
||||
var hic = HeadInjuryCriterion.GetHeadInjuryCriterion(channelData, cc.SampleRateHz, clipLength);
|
||||
cc.T1 = Convert.ToUInt64(hic.StartSample);
|
||||
cc.T2 = Convert.ToUInt64(hic.EndSample);
|
||||
cc.HIC = hic.HIC;
|
||||
}
|
||||
|
||||
return new[] { cc };
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// creates a calculated channel for binary operations (sine/cosine/integral/ffs)
|
||||
/// </summary>
|
||||
/// <param name="testId"></param>
|
||||
/// <param name="folder"></param>
|
||||
/// <param name="calculation"></param>
|
||||
/// <param name="inputChannels"></param>
|
||||
/// <param name="channelName"></param>
|
||||
/// <param name="channelOffset"></param>
|
||||
/// <returns></returns>
|
||||
private static Test.Module.CalculatedChannel[] CreateChannelsBinaryOperation(string testId, string folder,
|
||||
Calculation calculation, List<Test.Module.Channel> inputChannels, string channelName, int channelOffset)
|
||||
{
|
||||
|
||||
var sourceEmc = inputChannels[0].emc as Event.Module.Channel;
|
||||
|
||||
var sourceChannel = inputChannels[0];
|
||||
|
||||
//Create new test channel
|
||||
var cc = CreateCalculatedChannelsIRTRACC(calculation, new[] { sourceChannel });
|
||||
cc.Calculation = calculation.ToString();
|
||||
cc.ChannelDescriptionString = channelName;
|
||||
cc.AbsoluteDisplayOrder = ChannelNumberCalculationChannelIndicator + channelOffset;
|
||||
cc.Number = ChannelNumberCalculationChannelIndicator + channelOffset;
|
||||
cc.ProportionalToExcitation = false;
|
||||
cc.ZeroMvInADC = 0;
|
||||
cc.OriginalOffsetADC = 0;
|
||||
cc.Data.MvPerEu = 1;
|
||||
cc.Data.Multiplier = sourceEmc.Multiplier;
|
||||
cc.Data.UnitConversion = sourceEmc.UnitConversion;
|
||||
cc.Data.UserOffsetEU = sourceEmc.UserOffsetEU;
|
||||
cc.Excitation = 0;
|
||||
cc.ZeroMethod = ZeroMethodType.None;
|
||||
cc.RemoveOffset = false;
|
||||
cc.ChannelId = sourceChannel.ChannelId + "_" + cc.Number;
|
||||
cc.ChannelGroupName = sourceChannel.ChannelGroupName;
|
||||
cc.IsInverted = false;
|
||||
|
||||
var emc = new Event.Module.AnalogInputChannel(cc, sourceEmc.ParentModule, sourceEmc.AbsoluteNumber);
|
||||
cc.emc = emc;
|
||||
|
||||
//Do the maths. Use source channel as source for data as it's properly set up.
|
||||
var euData = PerformCalculationBinary(calculation, sourceEmc);
|
||||
|
||||
//Don't use the source channel emc anymore.
|
||||
sourceEmc = null;
|
||||
|
||||
//Scale the data
|
||||
var adcData = ScaleEuData(ref euData, out var scaleFactor);
|
||||
cc.Sensitivity = scaleFactor;
|
||||
|
||||
//Test by writing source channel data. Readback should be identical
|
||||
var f = new Serialization.SliceRaw.File { DefaultEncoding = Encoding.Unicode.CodePage };
|
||||
|
||||
//Create file with from source channel. At this point it's not complete -- it still needs number of
|
||||
//samples, etc.
|
||||
var filename = new Serialization.SliceRaw.File().GetCalculatedChannelFileNameFromTestNameAndChannelNumber(testId, cc.Number);
|
||||
var filepath = System.IO.Path.Combine(folder, filename);
|
||||
|
||||
cc.Data.ScaleFactorMv = 1 / scaleFactor;
|
||||
cc.Data.ScaleFactorEU = 1 / scaleFactor;
|
||||
|
||||
switch (calculation)
|
||||
{
|
||||
default:
|
||||
cc.DesiredRange = Constants.ADC_MIDPOINT / scaleFactor;
|
||||
if (sourceChannel is Test.Module.AnalogInputChannel analogInputChannel) { cc.EngineeringUnits = analogInputChannel.EngineeringUnits; }
|
||||
else { cc.EngineeringUnits = "NOT DEFINED"; }
|
||||
break;
|
||||
|
||||
case Calculation.Sin:
|
||||
case Calculation.Cos:
|
||||
cc.DesiredRange = 1.1;
|
||||
cc.EngineeringUnits = "rads";
|
||||
break;
|
||||
}
|
||||
|
||||
//All done with channel. Create persistent object with what's in the channel object
|
||||
cc.PersistentChannelInfo = CreatePersistentInformationObject(cc, filepath);
|
||||
|
||||
//Write out the data to the memory-mapped file
|
||||
cc.PersistentChannelInfo.BeginAppendSession();
|
||||
cc.PersistentChannelInfo.AppendSessionData(adcData.ToArray());
|
||||
cc.PersistentChannelInfo.EndAppendSession();
|
||||
|
||||
//Use the export writer to update the binary channel fields with everything that's missing. This will also
|
||||
//Update the CRC.
|
||||
var writer = (f.Exporter as Serialization.SliceRaw.File.Writer);
|
||||
writer.CreatePersistentChannel(cc, cc.ParentModule.NumberOfSamples, cc.ParentModule.SampleRateHz, null, null, 0, 0);
|
||||
|
||||
//At this point the PersistentChannel is blown away. Read it back in and hook it up.
|
||||
var bypass = false;
|
||||
(f.Importer as Serialization.SliceRaw.File.Reader).ReadChannel(cc, cc.ParentModule, filepath,
|
||||
ref bypass);
|
||||
|
||||
emc.UnfilteredData = cc.PersistentChannelInfo;
|
||||
|
||||
return new[] { cc };
|
||||
}
|
||||
|
||||
public enum ThreeDIRTraccType
|
||||
{
|
||||
Thorax,
|
||||
Abdomen,
|
||||
LowerThorax
|
||||
}
|
||||
|
||||
private static short[] ScaleEuData(ref IList<double> euData, out double scaleFactor)
|
||||
{
|
||||
scaleFactor = 1.0;
|
||||
|
||||
var max = (from d in euData select Math.Abs(d)).Max();
|
||||
|
||||
if (0 == max)
|
||||
{
|
||||
max = 1;
|
||||
}
|
||||
|
||||
//we used ABS above, so we need to consider that the signal could be bipolar and be peak to peak of 2*max
|
||||
max *= 2;
|
||||
|
||||
if (short.MaxValue > max)
|
||||
{
|
||||
scaleFactor = short.MaxValue / max;
|
||||
}
|
||||
else
|
||||
{
|
||||
scaleFactor = max / short.MaxValue;
|
||||
}
|
||||
|
||||
//Scale the data
|
||||
var data = new List<short>();
|
||||
|
||||
foreach (var euSample in euData)
|
||||
{
|
||||
data.Add((short)(euSample * scaleFactor));
|
||||
}
|
||||
|
||||
return data.ToArray();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Validate name of the new calculated channel
|
||||
/// </summary>
|
||||
/// <param name="channelName">name of the new calculated channel</param>
|
||||
/// <param name="inputChannels">existing channels</param>
|
||||
/// <param name="allChannels">If null - calling form MakeCalculatedChannels() in Download.xaml.cs</param>
|
||||
/// <param name="errorList">list of errors</param>
|
||||
/// <returns>if anyy errors - returns false</returns>
|
||||
public static bool ValidateChannelName(string channelName, List<Test.Module.Channel> inputChannels, List<Test.Module.Channel> allChannels, out List<string> errorList)
|
||||
{
|
||||
errorList = new List<string>();
|
||||
if (allChannels == null) return errorList.Count == 0;
|
||||
|
||||
if (string.IsNullOrEmpty(channelName)) { errorList.Add("Channel name cannot be empty."); }
|
||||
|
||||
if (inputChannels.Exists(ch => ch.ChannelDescriptionString == channelName))
|
||||
{ errorList.Add("Channel name is not unique. [input channels]"); }
|
||||
|
||||
if (allChannels.Exists(ch => ch.ChannelDescriptionString == channelName))
|
||||
{ errorList.Add("Channel name is not unique. [all channels]"); }
|
||||
|
||||
return errorList.Count == 0;
|
||||
}
|
||||
|
||||
#region helper classes
|
||||
private sealed class ClonableDoubles : List<double>, ICloneable
|
||||
{
|
||||
object ICloneable.Clone()
|
||||
{
|
||||
var l = new List<double>();
|
||||
l.AddRange(ToArray());
|
||||
return l;
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user