##// END OF EJS Templates
Defines actions for a data source items...
Defines actions for a data source items DataSourceItemAction is an object that will be connected to a QAction. When the QAction will be triggered, the DataSourceItemAction will be executed

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CosinusProvider.cpp
30 lines | 835 B | text/x-c | CppLexer
#include "CosinusProvider.h"
#include <Data/DataProviderParameters.h>
#include <Data/ScalarSeries.h>
#include <cmath>
std::unique_ptr<IDataSeries>
CosinusProvider::retrieveData(const DataProviderParameters &parameters) const
{
// Gets the timerange from the parameters
auto start = parameters.m_TStart;
auto end = parameters.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, QStringLiteral("t"), QStringLiteral(""));
auto dataIndex = 0;
for (auto time = start; time < end; ++time, ++dataIndex) {
scalarSeries->setData(dataIndex, time, std::cos(time));
}
return scalarSeries;
}