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#include "CosinusProvider.h"
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#include <Data/DataProviderParameters.h>
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#include <Data/ScalarSeries.h>
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#include <cmath>
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#include <QDateTime>
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Q_LOGGING_CATEGORY(LOG_CosinusProvider, "CosinusProvider")
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std::unique_ptr<IDataSeries>
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CosinusProvider::retrieveData(const DataProviderParameters ¶meters) const
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{
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auto dateTime = parameters.m_Time;
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// Gets the timerange from the parameters
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auto start = dateTime.m_TStart;
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auto end = dateTime.m_TEnd;
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// We assure that timerange is valid
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if (end < start) {
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std::swap(start, end);
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}
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// Generates scalar series containing cosinus values (one value per second)
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auto scalarSeries
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= std::make_unique<ScalarSeries>(end - start, Unit{QStringLiteral("t"), true}, Unit{});
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auto dataIndex = 0;
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for (auto time = start; time < end; ++time, ++dataIndex) {
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scalarSeries->setData(dataIndex, time, std::cos(time));
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}
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return scalarSeries;
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}
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void CosinusProvider::requestDataLoading(const QVector<SqpDateTime> &dateTimeList)
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{
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// NOTE: Try to use multithread if possible
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for (const auto &dateTime : dateTimeList) {
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auto scalarSeries = this->retrieveDataSeries(dateTime);
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emit dataProvided(scalarSeries, dateTime);
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}
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}
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std::shared_ptr<IDataSeries> CosinusProvider::retrieveDataSeries(const SqpDateTime &dateTime)
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{
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auto dataIndex = 0;
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// Gets the timerange from the parameters
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double freq = 100.0;
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double start = dateTime.m_TStart * freq; // 100 htz
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double end = dateTime.m_TEnd * freq; // 100 htz
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// We assure that timerange is valid
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if (end < start) {
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std::swap(start, end);
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}
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// Generates scalar series containing cosinus values (one value per second)
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auto scalarSeries
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= std::make_shared<ScalarSeries>(end - start, Unit{QStringLiteral("t"), true}, Unit{});
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for (auto time = start; time < end; ++time, ++dataIndex) {
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const auto timeOnFreq = time / freq;
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scalarSeries->setData(dataIndex, timeOnFreq, std::cos(timeOnFreq));
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}
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return scalarSeries;
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}
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