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