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1 | 1 | #include "CosinusProvider.h" |
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2 | 2 | |
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3 | 3 | #include <Data/DataProviderParameters.h> |
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4 | 4 | #include <Data/ScalarSeries.h> |
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5 | 5 | |
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6 | #include <cmath> | |
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7 | ||
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6 | 8 | std::unique_ptr<IDataSeries> |
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7 | 9 | CosinusProvider::retrieveData(const DataProviderParameters ¶meters) const |
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8 | 10 | { |
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9 | 11 | // Gets the timerange from the parameters |
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10 | 12 | auto start = parameters.m_TStart; |
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11 | 13 | auto end = parameters.m_TEnd; |
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12 | 14 | |
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13 | 15 | // We assure that timerange is valid |
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14 | 16 | if (end < start) { |
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15 | 17 | std::swap(start, end); |
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16 | 18 | } |
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17 | 19 | |
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18 | 20 | // Generates scalar series containing cosinus values (one value per second) |
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19 | 21 | auto scalarSeries |
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20 | 22 | = std::make_unique<ScalarSeries>(end - start, QStringLiteral("t"), QStringLiteral("")); |
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21 | 23 | |
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22 | 24 | for (auto time = start; time < end; ++time) { |
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23 | 25 | auto dataIndex = time - start; |
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24 | 26 | scalarSeries->setData(dataIndex, time, std::cos(time)); |
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25 | 27 | } |
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26 | 28 | |
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27 | 29 | return scalarSeries; |
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28 | 30 | } |
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