CosinusProvider.cpp
87 lines
| 2.7 KiB
| text/x-c
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CppLexer
Alexandre Leroux
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r128 | #include "CosinusProvider.h" | ||
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r782 | #include "MockDefs.h" | ||
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r128 | |||
| #include <Data/DataProviderParameters.h> | ||||
| r1423 | #include <Data/ScalarTimeSerie.h> | |||
| #include <Data/SpectrogramTimeSerie.h> | ||||
| #include <Data/VectorTimeSerie.h> | ||||
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r128 | |||
| r135 | #include <cmath> | |||
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r922 | #include <set> | ||
| r135 | ||||
| r428 | #include <QFuture> | |||
| r364 | #include <QThread> | |||
| r428 | #include <QtConcurrent/QtConcurrent> | |||
| r298 | ||||
| r231 | ||||
| r1423 | namespace | |||
| { | ||||
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r784 | |||
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r895 | /// Number of bands generated for a spectrogram | ||
| const auto SPECTROGRAM_NUMBER_BANDS = 30; | ||||
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r922 | /// Bands for which to generate NaN values for a spectrogram | ||
| r1423 | const auto SPECTROGRAM_NAN_BANDS = std::set<int> { 1, 3, 10, 20 }; | |||
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r922 | |||
| /// Bands for which to generate zeros for a spectrogram | ||||
| r1423 | const auto SPECTROGRAM_ZERO_BANDS = std::set<int> { 2, 15, 19, 29 }; | |||
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r785 | |||
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r786 | |||
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r784 | } // namespace | ||
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r712 | std::shared_ptr<IDataProvider> CosinusProvider::clone() const | ||
| { | ||||
| // No copy is made in clone | ||||
| return std::make_shared<CosinusProvider>(); | ||||
| } | ||||
| r1423 | TimeSeries::ITimeSerie* CosinusProvider::_generate( | |||
| const DateTimeRange& range, const QVariantHash& metaData) | ||||
| r1350 | { | |||
| // Retrieves cosinus type | ||||
| auto typeVariant = metaData.value(COSINUS_TYPE_KEY, COSINUS_TYPE_DEFAULT_VALUE); | ||||
| auto freqVariant = metaData.value(COSINUS_FREQUENCY_KEY, COSINUS_FREQUENCY_DEFAULT_VALUE); | ||||
| r1423 | const auto fs = 200.; | |||
| r1350 | double freq = freqVariant.toDouble(); | |||
| double start = std::ceil(range.m_TStart * freq); | ||||
| double end = std::floor(range.m_TEnd * freq); | ||||
| r1423 | if (end < start) | |||
| { | ||||
| r1350 | std::swap(start, end); | |||
| } | ||||
| std::size_t dataCount = static_cast<std::size_t>(end - start + 1); | ||||
| r1423 | if (typeVariant.toString() == QStringLiteral("scalar")) | |||
| r1350 | { | |||
| r1423 | auto ts = new ScalarTimeSerie(dataCount); | |||
| std::generate( | ||||
| std::begin(*ts), std::end(*ts), [range, freq, fs, dt = 1. / freq, i = 0.]() mutable { | ||||
| auto t = range.m_TStart + i * dt; | ||||
| i++; | ||||
| return std::pair<double, double> { t, std::cos(2 * 3.14 * freq / fs * t) }; | ||||
| }); | ||||
| return ts; | ||||
| r1350 | } | |||
| r1423 | if (typeVariant.toString() == QStringLiteral("vector")) | |||
| { | ||||
| auto ts = new VectorTimeSerie(dataCount); | ||||
| std::generate( | ||||
| std::begin(*ts), std::end(*ts), [range, freq, fs, dt = 1. / freq, i = 0.]() mutable { | ||||
| auto t = range.m_TStart + i * dt; | ||||
| i++; | ||||
| return std::pair<double, VectorTimeSerie::raw_value_type> { t, | ||||
| { std::cos(2 * 3.14 * freq / fs * t), std::sin(2 * 3.14 * freq / fs * t), | ||||
| std::cos(2 * 3.14 * freq / fs * t) * std::sin(2 * 3.14 * freq / fs * t) } }; | ||||
| }); | ||||
| return ts; | ||||
| } | ||||
| if (typeVariant.toString() == QStringLiteral("spectrogram")) | ||||
| { | ||||
| return nullptr; | ||||
| } | ||||
| return nullptr; | ||||
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r128 | } | ||
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r310 | |||
| r1423 | TimeSeries::ITimeSerie* CosinusProvider::getData(const DataProviderParameters& parameters) | |||
| r1350 | { | |||
| r1352 | return _generate(parameters.m_Range, parameters.m_Data); | |||
| r1350 | } | |||
