public async Task <TestPulseWaveformResponse> Post(
TestPulseWaveformRequest testPulseWaveformRequest)
{
if (testPulseWaveformRequest.Sections == null)
{
throw new ArgumentException("Sections not supplied");
}
const int samplingFrequency = 10;
testPulseWaveformRequest.PulseFrequency.ChanceOfHigh = 1;
testPulseWaveformRequest.PulseFrequency.Variation.Progression = 0;
// progression 0 is so it will always choose to use a feature, for the no feature one we use feature chooser to nullify it.
var hfPulseGenerator = pulseGeneratorProvider.GetPulseGenerator(testPulseWaveformRequest,
new GetPulseGeneratorParams {
ChooseFeature = nameof(FeatureProbabilityModel.Frequency), SamplingFrequency = samplingFrequency
});
testPulseWaveformRequest.PulseFrequency.ChanceOfHigh = 0;
var lfPulseGenerator = pulseGeneratorProvider.GetPulseGenerator(testPulseWaveformRequest,
new GetPulseGeneratorParams {
ChooseFeature = nameof(FeatureProbabilityModel.Frequency), SamplingFrequency = samplingFrequency
});
var nfPulseGenerator = pulseGeneratorProvider.GetPulseGenerator(testPulseWaveformRequest,
new GetPulseGeneratorParams {
ChooseFeature = string.Empty, SamplingFrequency = samplingFrequency
}); // never chooses a feature
int N = testPulseWaveformRequest.Sections.SectionLengthSeconds * samplingFrequency;
var dataNf = new List <double[]>();
var dataLf = new List <double[]>();
var dataHf = new List <double[]>();
for (int n = 0; n <= N; n++)
{
var t = testPulseWaveformRequest.Sections.SectionLengthSeconds * (double)n / N;
var alf = await lfPulseGenerator.Amplitude(t, n, 0);
var ahf = await hfPulseGenerator.Amplitude(t, n, 0);
var anf = await nfPulseGenerator.Amplitude(t, n, 0);
dataNf.Add(new[] { t, anf });
dataLf.Add(new[] { t, alf });
dataHf.Add(new[] { t, ahf });
}
return(new TestPulseWaveformResponse
{
Success = true,
SampleNoFeature = dataNf.ToArray(),
SampleHighFrequency = dataHf.ToArray(),
SampleLowFrequency = dataLf.ToArray()
});
}
public PulseGenerator GetPulseGenerator(TestPulseWaveformRequest testPulseWaveformRequest, GetPulseGeneratorParams parameters)
{
var pulseFrequencyModel = mapper.Map <PulseFrequency, PulseFrequencyModel>(testPulseWaveformRequest.PulseFrequency);
var sectionsModel = mapper.Map <Sections, SectionsModel>(testPulseWaveformRequest.Sections);
var waveformExpressionProvider = new WaveformExpressionProvider(testPulseWaveformRequest.WaveformExpression);
var trackLength = TimeSpan.FromSeconds(testPulseWaveformRequest.Sections.SectionLengthSeconds);
var waveFileMetadata = new WavefileMetadata(numberOfChannels: 1, phaseShiftCarrier: false, phaseShiftPulses: false, randomization: false, trackLength: trackLength);
var featureChooser = new AlwaysFeatureChooser(parameters.ChooseFeature);
var samplingFrequencyProvider = new SamplingFrequencyProvider(parameters.SamplingFrequency);
// this composes a subset of the main file-creation component stack
// (DependencyConfig.Configure(settings) creates the full stack)
var nestedContainer = container.GetNestedContainer();
nestedContainer.AddInstance(sectionsModel);
nestedContainer.AddInstance(pulseFrequencyModel);
nestedContainer.AddInstance <IWaveformExpressionProvider>(waveformExpressionProvider);
nestedContainer.AddInstance <IWaveFileMetadata>(waveFileMetadata);
nestedContainer.AddInstance <IFeatureChooser>(featureChooser);
nestedContainer.AddInstance <ISamplingFrequencyProvider>(samplingFrequencyProvider);
var pulseGenerator = nestedContainer.Resolve <PulseGenerator>();
return(pulseGenerator);
}
