| @@ -0,0 +1,16 | |||
|
|
1 | #ifndef SCIQLOP_COSINUSPROVIDER_H | |
|
|
2 | #define SCIQLOP_COSINUSPROVIDER_H | |
|
|
3 | ||
|
|
4 | #include <Data/IDataProvider.h> | |
|
|
5 | ||
|
|
6 | /** | |
|
|
7 | * @brief The CosinusProvider class is an example of how a data provider can generate data | |
|
|
8 | */ | |
|
|
9 | class CosinusProvider : public IDataProvider { | |
|
|
10 | public: | |
|
|
11 | /// @sa IDataProvider::retrieveData() | |
|
|
12 | std::unique_ptr<IDataSeries> | |
|
|
13 | retrieveData(const DataProviderParameters ¶meters) const override; | |
|
|
14 | }; | |
|
|
15 | ||
|
|
16 | #endif // SCIQLOP_COSINUSPROVIDER_H | |
| @@ -0,0 +1,28 | |||
|
|
1 | #include "CosinusProvider.h" | |
|
|
2 | ||
|
|
3 | #include <Data/DataProviderParameters.h> | |
|
|
4 | #include <Data/ScalarSeries.h> | |
|
|
5 | ||
|
|
6 | std::unique_ptr<IDataSeries> | |
|
|
7 | CosinusProvider::retrieveData(const DataProviderParameters ¶meters) const | |
|
|
8 | { | |
|
|
9 | // Gets the timerange from the parameters | |
|
|
10 | auto start = parameters.m_TStart; | |
|
|
11 | auto end = parameters.m_TEnd; | |
|
|
12 | ||
|
|
13 | // We assure that timerange is valid | |
|
|
14 | if (end < start) { | |
|
|
15 | std::swap(start, end); | |
|
|
16 | } | |
|
|
17 | ||
|
|
18 | // Generates scalar series containing cosinus values (one value per second) | |
|
|
19 | auto scalarSeries | |
|
|
20 | = std::make_unique<ScalarSeries>(end - start, QStringLiteral("t"), QStringLiteral("")); | |
|
|
21 | ||
|
|
22 | for (auto time = start; time < end; ++time) { | |
|
|
23 | auto dataIndex = time - start; | |
|
|
24 | scalarSeries->setData(dataIndex, time, std::cos(time)); | |
|
|
25 | } | |
|
|
26 | ||
|
|
27 | return scalarSeries; | |
|
|
28 | } | |
General Comments 0
You need to be logged in to leave comments.
Login now