VisualizationGraphHelper.cpp
155 lines
| 5.0 KiB
| text/x-c
|
CppLexer
| r243 | #include "Visualization/VisualizationGraphHelper.h" | |||
Alexandre Leroux
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r181 | #include "Visualization/qcustomplot.h" | ||
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Alexandre Leroux
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r182 | #include <Data/ScalarSeries.h> | ||
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Alexandre Leroux
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r181 | #include <Variable/Variable.h> | ||
| r235 | #include <QElapsedTimer> | |||
| r243 | Q_LOGGING_CATEGORY(LOG_VisualizationGraphHelper, "VisualizationGraphHelper") | |||
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Alexandre Leroux
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r181 | |||
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Alexandre Leroux
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r182 | namespace { | ||
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Alexandre Leroux
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r183 | /// Format for datetimes on a axis | ||
| const auto DATETIME_TICKER_FORMAT = QStringLiteral("yyyy/MM/dd \nhh:mm:ss"); | ||||
| /// Generates the appropriate ticker for an axis, depending on whether the axis displays time or | ||||
| /// non-time data | ||||
| QSharedPointer<QCPAxisTicker> axisTicker(bool isTimeAxis) | ||||
| { | ||||
| if (isTimeAxis) { | ||||
| auto dateTicker = QSharedPointer<QCPAxisTickerDateTime>::create(); | ||||
| dateTicker->setDateTimeFormat(DATETIME_TICKER_FORMAT); | ||||
| return dateTicker; | ||||
| } | ||||
| else { | ||||
| // default ticker | ||||
| return QSharedPointer<QCPAxisTicker>::create(); | ||||
| } | ||||
| } | ||||
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Alexandre Leroux
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r182 | |||
| r235 | void updateScalarData(QCPAbstractPlottable *component, ScalarSeries &scalarSeries, | |||
| const SqpDateTime &dateTime) | ||||
| { | ||||
| QElapsedTimer timer; | ||||
| timer.start(); | ||||
| if (auto qcpGraph = dynamic_cast<QCPGraph *>(component)) { | ||||
| // Clean the graph | ||||
| // NAIVE approch | ||||
| const auto &xData = scalarSeries.xAxisData()->data(); | ||||
| const auto &valuesData = scalarSeries.valuesData()->data(); | ||||
| r298 | const auto count = xData.count(); | |||
| qCInfo(LOG_VisualizationGraphHelper()) << "TORM: Current points in cache" << xData.count(); | ||||
| auto xValue = QVector<double>(count); | ||||
| auto vValue = QVector<double>(count); | ||||
| r235 | ||||
| r298 | int n = 0; | |||
| r235 | for (auto i = 0; i < count; ++i) { | |||
| r298 | const auto x = xData[i]; | |||
| r235 | if (x >= dateTime.m_TStart && x <= dateTime.m_TEnd) { | |||
| r298 | xValue[n] = x; | |||
| vValue[n] = valuesData[i]; | ||||
| ++n; | ||||
| r235 | } | |||
| } | ||||
| r298 | xValue.resize(n); | |||
| vValue.resize(n); | ||||
| r235 | ||||
| r316 | qCInfo(LOG_VisualizationGraphHelper()) << "TORM: Current points displayed" | |||
| << xValue.count(); | ||||
| r298 | ||||
| qcpGraph->setData(xValue, vValue); | ||||
| r315 | ||||
| // Display all data | ||||
| component->rescaleAxes(); | ||||
| component->parentPlot()->replot(); | ||||
| r235 | } | |||
| else { | ||||
| /// @todo DEBUG | ||||
| } | ||||
| } | ||||
| QCPAbstractPlottable *createScalarSeriesComponent(ScalarSeries &scalarSeries, QCustomPlot &plot, | ||||
| const SqpDateTime &dateTime) | ||||
|
Alexandre Leroux
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r182 | { | ||
| auto component = plot.addGraph(); | ||||
| if (component) { | ||||
| r235 | // // Graph data | |||
|
Alexandre Leroux
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r182 | component->setData(scalarSeries.xAxisData()->data(), scalarSeries.valuesData()->data(), | ||
| true); | ||||
| r235 | updateScalarData(component, scalarSeries, dateTime); | |||
|
Alexandre Leroux
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r183 | // Axes properties | ||
| /// @todo : for the moment, no control is performed on the axes: the units and the tickers | ||||
| /// are fixed for the default x-axis and y-axis of the plot, and according to the new graph | ||||
| auto setAxisProperties = [](auto axis, const auto &unit) { | ||||
| // label (unit name) | ||||
| axis->setLabel(unit.m_Name); | ||||
| // ticker (depending on the type of unit) | ||||
| axis->setTicker(axisTicker(unit.m_TimeUnit)); | ||||
| }; | ||||
| setAxisProperties(plot.xAxis, scalarSeries.xAxisUnit()); | ||||
| setAxisProperties(plot.yAxis, scalarSeries.valuesUnit()); | ||||
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Alexandre Leroux
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r182 | // Display all data | ||
| component->rescaleAxes(); | ||||
| plot.replot(); | ||||
| } | ||||
| else { | ||||
| r243 | qCDebug(LOG_VisualizationGraphHelper()) | |||
|
Alexandre Leroux
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r182 | << QObject::tr("Can't create graph for the scalar series"); | ||
| } | ||||
| return component; | ||||
| } | ||||
| } // namespace | ||||
| r243 | QVector<QCPAbstractPlottable *> VisualizationGraphHelper::create(std::shared_ptr<Variable> variable, | |||
| QCustomPlot &plot) noexcept | ||||
|
Alexandre Leroux
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r181 | { | ||
| auto result = QVector<QCPAbstractPlottable *>{}; | ||||
| if (variable) { | ||||
|
Alexandre Leroux
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r182 | // Gets the data series of the variable to call the creation of the right components | ||
| // according to its type | ||||
| if (auto scalarSeries = dynamic_cast<ScalarSeries *>(variable->dataSeries())) { | ||||
| r235 | result.append(createScalarSeriesComponent(*scalarSeries, plot, variable->dateTime())); | |||
|
Alexandre Leroux
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r182 | } | ||
| else { | ||||
| r243 | qCDebug(LOG_VisualizationGraphHelper()) | |||
|
Alexandre Leroux
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r182 | << QObject::tr("Can't create graph plottables : unmanaged data series type"); | ||
| } | ||||
|
Alexandre Leroux
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r181 | } | ||
| else { | ||||
| r243 | qCDebug(LOG_VisualizationGraphHelper()) | |||
|
Alexandre Leroux
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r181 | << QObject::tr("Can't create graph plottables : the variable is null"); | ||
| } | ||||
| return result; | ||||
| } | ||||
| r235 | ||||
| r243 | void VisualizationGraphHelper::updateData(QVector<QCPAbstractPlottable *> plotableVect, | |||
| IDataSeries *dataSeries, const SqpDateTime &dateTime) | ||||
| r235 | { | |||
| if (auto scalarSeries = dynamic_cast<ScalarSeries *>(dataSeries)) { | ||||
| if (plotableVect.size() == 1) { | ||||
| updateScalarData(plotableVect.at(0), *scalarSeries, dateTime); | ||||
| } | ||||
| else { | ||||
| r243 | qCCritical(LOG_VisualizationGraphHelper()) << QObject::tr( | |||
| r235 | "Can't update Data of a scalarSeries because there is not only one component " | |||
| "associated"); | ||||
| } | ||||
| } | ||||
| else { | ||||
| /// @todo DEBUG | ||||
| } | ||||
| } | ||||
