##// END OF EJS Templates
Adds the ability to force an acquisition pending for an operation (1)...
Adds the ability to force an acquisition pending for an operation (1) Creates struct that contains operation properties: - its weight - the flag to force acquisition waiting

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VisualizationGraphHelper.cpp
340 lines | 11.7 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationGraphHelper.cpp
Correction for pull request
r243 #include "Visualization/VisualizationGraphHelper.h"
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r181 #include "Visualization/qcustomplot.h"
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r1037 #include <Data/DataSeriesUtils.h>
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r182 #include <Data/ScalarSeries.h>
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r905 #include <Data/SpectrogramSeries.h>
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r583 #include <Data/VectorSeries.h>
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r182
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r181 #include <Variable/Variable.h>
Correction for pull request
r243 Q_LOGGING_CATEGORY(LOG_VisualizationGraphHelper, "VisualizationGraphHelper")
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r181
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r182 namespace {
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r364 class SqpDataContainer : public QCPGraphDataContainer {
public:
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r453 void appendGraphData(const QCPGraphData &data) { mData.append(data); }
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r364 };
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r583 /**
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r591 * Struct used to create plottables, depending on the type of the data series from which to create
* them
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r583 * @tparam T the data series' type
* @remarks Default implementation can't create plottables
*/
template <typename T, typename Enabled = void>
struct PlottablesCreator {
static PlottablesMap createPlottables(T &, QCustomPlot &)
{
qCCritical(LOG_DataSeries())
<< QObject::tr("Can't create plottables: unmanaged data series type");
return {};
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r235 }
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r583 };
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r235
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r583 /**
* Specialization of PlottablesCreator for scalars and vectors
* @sa ScalarSeries
* @sa VectorSeries
*/
template <typename T>
struct PlottablesCreator<T,
typename std::enable_if_t<std::is_base_of<ScalarSeries, T>::value
or std::is_base_of<VectorSeries, T>::value> > {
static PlottablesMap createPlottables(T &dataSeries, QCustomPlot &plot)
{
PlottablesMap result{};
// Gets the number of components of the data series
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r636 dataSeries.lockRead();
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r583 auto componentCount = dataSeries.valuesData()->componentCount();
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r636 dataSeries.unlock();
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r583
// For each component of the data series, creates a QCPGraph to add to the plot
for (auto i = 0; i < componentCount; ++i) {
auto graph = plot.addGraph();
result.insert({i, graph});
}
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r548
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r583 plot.replot();
return result;
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r548 }
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r583 };
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r548
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r905 /**
* Specialization of PlottablesCreator for spectrograms
* @sa SpectrogramSeries
*/
template <typename T>
struct PlottablesCreator<T,
typename std::enable_if_t<std::is_base_of<SpectrogramSeries, T>::value> > {
static PlottablesMap createPlottables(T &dataSeries, QCustomPlot &plot)
{
PlottablesMap result{};
result.insert({0, new QCPColorMap{plot.xAxis, plot.yAxis}});
plot.replot();
return result;
}
};
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r583 /**
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r591 * Struct used to update plottables, depending on the type of the data series from which to update
* them
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r583 * @tparam T the data series' type
* @remarks Default implementation can't update plottables
*/
template <typename T, typename Enabled = void>
struct PlottablesUpdater {
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r903 static void setPlotYAxisRange(T &, const SqpRange &, QCustomPlot &)
{
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r908 qCCritical(LOG_VisualizationGraphHelper())
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r903 << QObject::tr("Can't set plot y-axis range: unmanaged data series type");
}
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r583 static void updatePlottables(T &, PlottablesMap &, const SqpRange &, bool)
{
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r908 qCCritical(LOG_VisualizationGraphHelper())
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r583 << QObject::tr("Can't update plottables: unmanaged data series type");
}
};
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r182
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r583 /**
* Specialization of PlottablesUpdater for scalars and vectors
* @sa ScalarSeries
* @sa VectorSeries
*/
template <typename T>
struct PlottablesUpdater<T,
typename std::enable_if_t<std::is_base_of<ScalarSeries, T>::value
or std::is_base_of<VectorSeries, T>::value> > {
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Refactors VisualizationGraphWidget::setYRange()...
r903 static void setPlotYAxisRange(T &dataSeries, const SqpRange &xAxisRange, QCustomPlot &plot)
{
auto minValue = 0., maxValue = 0.;
dataSeries.lockRead();
auto valuesBounds = dataSeries.valuesBounds(xAxisRange.m_TStart, xAxisRange.m_TEnd);
auto end = dataSeries.cend();
if (valuesBounds.first != end && valuesBounds.second != end) {
auto rangeValue = [](const auto &value) { return std::isnan(value) ? 0. : value; };
minValue = rangeValue(valuesBounds.first->minValue());
maxValue = rangeValue(valuesBounds.second->maxValue());
}
dataSeries.unlock();
plot.yAxis->setRange(QCPRange{minValue, maxValue});
}
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r583 static void updatePlottables(T &dataSeries, PlottablesMap &plottables, const SqpRange &range,
bool rescaleAxes)
{
// For each plottable to update, resets its data
std::map<int, QSharedPointer<SqpDataContainer> > dataContainers{};
for (const auto &plottable : plottables) {
if (auto graph = dynamic_cast<QCPGraph *>(plottable.second)) {
auto dataContainer = QSharedPointer<SqpDataContainer>::create();
graph->setData(dataContainer);
dataContainers.insert({plottable.first, dataContainer});
}
}
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r636 dataSeries.lockRead();
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r182
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r583 // - Gets the data of the series included in the current range
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r591 // - Updates each plottable by adding, for each data item, a point that takes x-axis data
// and value data. The correct value is retrieved according to the index of the component
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r605 auto subDataIts = dataSeries.xAxisRange(range.m_TStart, range.m_TEnd);
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r583 for (auto it = subDataIts.first; it != subDataIts.second; ++it) {
for (const auto &dataContainer : dataContainers) {
auto componentIndex = dataContainer.first;
dataContainer.second->appendGraphData(
QCPGraphData(it->x(), it->value(componentIndex)));
}
}
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r235
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r583 dataSeries.unlock();
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r183
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r583 if (!plottables.empty()) {
auto plot = plottables.begin()->second->parentPlot();
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r183
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r583 if (rescaleAxes) {
plot->rescaleAxes();
}
}
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r182 }
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r583 };
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r906 /**
* Specialization of PlottablesUpdater for spectrograms
* @sa SpectrogramSeries
*/
template <typename T>
struct PlottablesUpdater<T,
typename std::enable_if_t<std::is_base_of<SpectrogramSeries, T>::value> > {
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r907 static void setPlotYAxisRange(T &dataSeries, const SqpRange &xAxisRange, QCustomPlot &plot)
{
double min, max;
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r1030 std::tie(min, max) = dataSeries.yBounds();
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r907
if (!std::isnan(min) && !std::isnan(max)) {
plot.yAxis->setRange(QCPRange{min, max});
}
}
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r906 static void updatePlottables(T &dataSeries, PlottablesMap &plottables, const SqpRange &range,
bool rescaleAxes)
{
if (plottables.empty()) {
qCDebug(LOG_VisualizationGraphHelper())
<< QObject::tr("Can't update spectrogram: no colormap has been associated");
return;
}
// Gets the colormap to update (normally there is only one colormap)
Q_ASSERT(plottables.size() == 1);
auto colormap = dynamic_cast<QCPColorMap *>(plottables.at(0));
Q_ASSERT(colormap != nullptr);
dataSeries.lockRead();
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r1037 // Processing spectrogram data for display in QCustomPlot
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r906 auto its = dataSeries.xAxisRange(range.m_TStart, range.m_TEnd);
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r1037 // Computes logarithmic y-axis resolution for the spectrogram
auto yData = its.first->y();
auto yResolution = DataSeriesUtils::resolution(yData.begin(), yData.end(), true);
// Generates mesh for colormap
auto mesh = DataSeriesUtils::regularMesh(
its.first, its.second, DataSeriesUtils::Resolution{dataSeries.xResolution()},
yResolution);
dataSeries.unlock();
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r906
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r1037 colormap->data()->setSize(mesh.m_NbX, mesh.m_NbY);
if (!mesh.isEmpty()) {
colormap->data()->setRange(
QCPRange{mesh.m_XMin, mesh.xMax()},
// y-axis range is converted to linear values
QCPRange{std::pow(10, mesh.m_YMin), std::pow(10, mesh.yMax())});
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r923
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r1037 // Sets values
auto index = 0;
for (auto it = mesh.m_Data.begin(), end = mesh.m_Data.end(); it != end; ++it, ++index) {
auto xIndex = index % mesh.m_NbX;
auto yIndex = index / mesh.m_NbX;
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r923
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r1037 colormap->data()->setCell(xIndex, yIndex, *it);
// Makes the NaN values to be transparent in the colormap
if (std::isnan(*it)) {
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r923 colormap->data()->setAlpha(xIndex, yIndex, 0);
}
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r906 }
}
// Rescales axes
auto plot = colormap->parentPlot();
if (rescaleAxes) {
plot->rescaleAxes();
}
}
};
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r583 /**
* Helper used to create/update plottables
*/
struct IPlottablesHelper {
virtual ~IPlottablesHelper() noexcept = default;
virtual PlottablesMap create(QCustomPlot &plot) const = 0;
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r903 virtual void setYAxisRange(const SqpRange &xAxisRange, QCustomPlot &plot) const = 0;
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r583 virtual void update(PlottablesMap &plottables, const SqpRange &range,
bool rescaleAxes = false) const = 0;
};
/**
* Default implementation of IPlottablesHelper, which takes data series to create/update plottables
* @tparam T the data series' type
*/
template <typename T>
struct PlottablesHelper : public IPlottablesHelper {
explicit PlottablesHelper(T &dataSeries) : m_DataSeries{dataSeries} {}
PlottablesMap create(QCustomPlot &plot) const override
{
return PlottablesCreator<T>::createPlottables(m_DataSeries, plot);
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r182 }
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r583 void update(PlottablesMap &plottables, const SqpRange &range, bool rescaleAxes) const override
{
PlottablesUpdater<T>::updatePlottables(m_DataSeries, plottables, range, rescaleAxes);
}
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r182
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r903 void setYAxisRange(const SqpRange &xAxisRange, QCustomPlot &plot) const override
{
return PlottablesUpdater<T>::setPlotYAxisRange(m_DataSeries, xAxisRange, plot);
}
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r583 T &m_DataSeries;
};
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r182
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r583 /// Creates IPlottablesHelper according to a data series
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Uses std::shared_ptr
r587 std::unique_ptr<IPlottablesHelper> createHelper(std::shared_ptr<IDataSeries> dataSeries) noexcept
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r548 {
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r587 if (auto scalarSeries = std::dynamic_pointer_cast<ScalarSeries>(dataSeries)) {
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r583 return std::make_unique<PlottablesHelper<ScalarSeries> >(*scalarSeries);
}
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r905 else if (auto spectrogramSeries = std::dynamic_pointer_cast<SpectrogramSeries>(dataSeries)) {
return std::make_unique<PlottablesHelper<SpectrogramSeries> >(*spectrogramSeries);
}
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r587 else if (auto vectorSeries = std::dynamic_pointer_cast<VectorSeries>(dataSeries)) {
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r583 return std::make_unique<PlottablesHelper<VectorSeries> >(*vectorSeries);
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r548 }
else {
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r583 return std::make_unique<PlottablesHelper<IDataSeries> >(*dataSeries);
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r548 }
}
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r583 } // namespace
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r181
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r583 PlottablesMap VisualizationGraphHelper::create(std::shared_ptr<Variable> variable,
QCustomPlot &plot) noexcept
{
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r181 if (variable) {
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r587 auto helper = createHelper(variable->dataSeries());
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r583 auto plottables = helper->create(plot);
return plottables;
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r181 }
else {
Correction for pull request
r243 qCDebug(LOG_VisualizationGraphHelper())
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r181 << QObject::tr("Can't create graph plottables : the variable is null");
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r583 return PlottablesMap{};
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r181 }
}
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r235
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Refactors VisualizationGraphWidget::setYRange()...
r903 void VisualizationGraphHelper::setYAxisRange(std::shared_ptr<Variable> variable,
QCustomPlot &plot) noexcept
{
if (variable) {
auto helper = createHelper(variable->dataSeries());
helper->setYAxisRange(variable->range(), plot);
}
else {
qCDebug(LOG_VisualizationGraphHelper())
<< QObject::tr("Can't set y-axis range of plot: the variable is null");
}
}
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r587 void VisualizationGraphHelper::updateData(PlottablesMap &plottables,
std::shared_ptr<IDataSeries> dataSeries,
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r542 const SqpRange &dateTime)
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r235 {
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r583 auto helper = createHelper(dataSeries);
helper->update(plottables, dateTime);
The mock plugin can now create data with view operation
r235 }