##// END OF EJS Templates
Merge pull request 170 from SCIQLOP-Initialisation develop...
Merge pull request 170 from SCIQLOP-Initialisation develop Develop

File last commit:

r298:3a08c66e4df2
r312:9b8471ca584d merge
Show More
CosinusProvider.cpp
74 lines | 2.0 KiB | text/x-c | CppLexer
#include "CosinusProvider.h"
#include <Data/DataProviderParameters.h>
#include <Data/ScalarSeries.h>
#include <cmath>
#include <QDateTime>
Q_LOGGING_CATEGORY(LOG_CosinusProvider, "CosinusProvider")
std::unique_ptr<IDataSeries>
CosinusProvider::retrieveData(const DataProviderParameters &parameters) const
{
auto dateTime = parameters.m_Time;
// Gets the timerange from the parameters
auto start = dateTime.m_TStart;
auto end = dateTime.m_TEnd;
// We assure that timerange is valid
if (end < start) {
std::swap(start, end);
}
// Generates scalar series containing cosinus values (one value per second)
auto scalarSeries
= std::make_unique<ScalarSeries>(end - start, Unit{QStringLiteral("t"), true}, Unit{});
auto dataIndex = 0;
for (auto time = start; time < end; ++time, ++dataIndex) {
scalarSeries->setData(dataIndex, time, std::cos(time));
}
return scalarSeries;
}
void CosinusProvider::requestDataLoading(const QVector<SqpDateTime> &dateTimeList)
{
// NOTE: Try to use multithread if possible
for (const auto &dateTime : dateTimeList) {
auto scalarSeries = this->retrieveDataSeries(dateTime);
emit dataProvided(scalarSeries, dateTime);
}
}
std::shared_ptr<IDataSeries> CosinusProvider::retrieveDataSeries(const SqpDateTime &dateTime)
{
auto dataIndex = 0;
// Gets the timerange from the parameters
double freq = 100.0;
double start = dateTime.m_TStart * freq; // 100 htz
double end = dateTime.m_TEnd * freq; // 100 htz
// We assure that timerange is valid
if (end < start) {
std::swap(start, end);
}
// Generates scalar series containing cosinus values (one value per second)
auto scalarSeries
= std::make_shared<ScalarSeries>(end - start, Unit{QStringLiteral("t"), true}, Unit{});
for (auto time = start; time < end; ++time, ++dataIndex) {
const auto timeOnFreq = time / freq;
scalarSeries->setData(dataIndex, timeOnFreq, std::cos(timeOnFreq));
}
return scalarSeries;
}