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VisualizationGraphHelper.cpp
345 lines | 11.7 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationGraphHelper.cpp
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perrinel
Correction for pull request
 r243 #include "Visualization/VisualizationGraphHelper.h"
Alexandre Leroux
Creates factory that is responsible of creation of QCustomPlot components relative to a variable
 r181 #include "Visualization/qcustomplot.h"
Alexandre Leroux
Handles creations for scalar series
 r182 #include <Data/ScalarSeries.h>
Alexandre Leroux
Implements spectrograms display (1)...
 r905 #include <Data/SpectrogramSeries.h>
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 #include <Data/VectorSeries.h>
Alexandre Leroux
Handles creations for scalar series
 r182
Alexandre Leroux
Creates factory that is responsible of creation of QCustomPlot components relative to a variable
 r181 #include <Variable/Variable.h>
perrinel
Correction for pull request
 r243 Q_LOGGING_CATEGORY(LOG_VisualizationGraphHelper, "VisualizationGraphHelper")
Alexandre Leroux
Creates factory that is responsible of creation of QCustomPlot components relative to a variable
 r181
Alexandre Leroux
Handles creations for scalar series
 r182 namespace {
perrinel
Add current progression for thread fix
 r364 class SqpDataContainer : public QCPGraphDataContainer {
public:
Alexandre Leroux
Updates UI to not call the sort method when update graphs, as data series are already sorted
 r453 void appendGraphData(const QCPGraphData &data) { mData.append(data); }
perrinel
Add current progression for thread fix
 r364 };
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 /**
perrinel
Add mofif for clang format
 r591 * Struct used to create plottables, depending on the type of the data series from which to create
* them
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Updates VisualizationGraphHelper to handle vectors
 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 {};
perrinel
The mock plugin can now create data with view operation
 r235 }
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 };
perrinel
The mock plugin can now create data with view operation
 r235
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 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
perrinel
Add thread protection for DataSeries...
 r636 dataSeries.lockRead();
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 auto componentCount = dataSeries.valuesData()->componentCount();
perrinel
Add thread protection for DataSeries...
 r636 dataSeries.unlock();
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 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});
}
perrinel
Initialisation of the graph range at creation in a new graphe, or inside...
 r548
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 plot.replot();
return result;
perrinel
Initialisation of the graph range at creation in a new graphe, or inside...
 r548 }
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 };
perrinel
Initialisation of the graph range at creation in a new graphe, or inside...
 r548
Alexandre Leroux
Implements spectrograms display (1)...
 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;
}
};
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 /**
perrinel
Add mofif for clang format
 r591 * Struct used to update plottables, depending on the type of the data series from which to update
* them
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 * @tparam T the data series' type
* @remarks Default implementation can't update plottables
*/
template <typename T, typename Enabled = void>
struct PlottablesUpdater {
Alexandre Leroux
Refactors VisualizationGraphWidget::setYRange()...
 r903 static void setPlotYAxisRange(T &, const SqpRange &, QCustomPlot &)
{
Alexandre Leroux
(Minor) Removes obsolete code
 r908 qCCritical(LOG_VisualizationGraphHelper())
Alexandre Leroux
Refactors VisualizationGraphWidget::setYRange()...
 r903 << QObject::tr("Can't set plot y-axis range: unmanaged data series type");
}
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 static void updatePlottables(T &, PlottablesMap &, const SqpRange &, bool)
{
Alexandre Leroux
(Minor) Removes obsolete code
 r908 qCCritical(LOG_VisualizationGraphHelper())
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 << QObject::tr("Can't update plottables: unmanaged data series type");
}
};
Alexandre Leroux
Handles creations for scalar series
 r182
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 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> > {
Alexandre Leroux
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});
}
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 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});
}
}
perrinel
Add thread protection for DataSeries...
 r636 dataSeries.lockRead();
Alexandre Leroux
Handles creations for scalar series
 r182
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 // - Gets the data of the series included in the current range
perrinel
Add mofif for clang format
 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
Alexandre Leroux
(Refactoring) Renames IDataSeries::subData()
 r605 auto subDataIts = dataSeries.xAxisRange(range.m_TStart, range.m_TEnd);
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 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)));
}
}
perrinel
The mock plugin can now create data with view operation
 r235
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 dataSeries.unlock();
Alexandre Leroux
Handles axes properties
 r183
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 if (!plottables.empty()) {
auto plot = plottables.begin()->second->parentPlot();
Alexandre Leroux
Handles axes properties
 r183
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 if (rescaleAxes) {
plot->rescaleAxes();
}
Alexandre Leroux
Handles axes properties
 r183
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 plot->replot();
}
Alexandre Leroux
Handles creations for scalar series
 r182 }
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 };
Alexandre Leroux
Implements spectrograms display (2)...
 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> > {
Alexandre Leroux
Implements spectrograms display (3)...
 r907 static void setPlotYAxisRange(T &dataSeries, const SqpRange &xAxisRange, QCustomPlot &plot)
{
double min, max;
/// @todo ALX: use iterators here
std::tie(min, max) = dataSeries.yAxis().bounds();
if (!std::isnan(min) && !std::isnan(max)) {
plot.yAxis->setRange(QCPRange{min, max});
}
}
Alexandre Leroux
Implements spectrograms display (2)...
 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();
auto its = dataSeries.xAxisRange(range.m_TStart, range.m_TEnd);
/// @todo ALX: use iterators here
auto yAxis = dataSeries.yAxis();
// Gets properties of x-axis and y-axis to set size and range of the colormap
auto nbX = std::distance(its.first, its.second);
auto xMin = nbX != 0 ? its.first->x() : 0.;
auto xMax = nbX != 0 ? (its.second - 1)->x() : 0.;
auto nbY = yAxis.size();
auto yMin = 0., yMax = 0.;
if (nbY != 0) {
std::tie(yMin, yMax) = yAxis.bounds();
}
colormap->data()->setSize(nbX, nbY);
colormap->data()->setRange(QCPRange{xMin, xMax}, QCPRange{yMin, yMax});
// Sets values
auto xIndex = 0;
for (auto it = its.first; it != its.second; ++it, ++xIndex) {
for (auto yIndex = 0; yIndex < nbY; ++yIndex) {
Alexandre Leroux
Introduces NaN and zero values in data of the mock spectrogram...
 r923 auto value = it->value(yIndex);
colormap->data()->setCell(xIndex, yIndex, value);
// Processing spectrogram data for display in QCustomPlot
/// For the moment, we just make the NaN values to be transparent in the colormap
/// @todo ALX: complete treatments (mesh generation, etc.)
if (std::isnan(value)) {
colormap->data()->setAlpha(xIndex, yIndex, 0);
}
Alexandre Leroux
Implements spectrograms display (2)...
 r906 }
}
dataSeries.unlock();
// Rescales axes
auto plot = colormap->parentPlot();
if (rescaleAxes) {
plot->rescaleAxes();
}
plot->replot();
}
};
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 /**
* Helper used to create/update plottables
*/
struct IPlottablesHelper {
virtual ~IPlottablesHelper() noexcept = default;
virtual PlottablesMap create(QCustomPlot &plot) const = 0;
Alexandre Leroux
Refactors VisualizationGraphWidget::setYRange()...
 r903 virtual void setYAxisRange(const SqpRange &xAxisRange, QCustomPlot &plot) const = 0;
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 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);
Alexandre Leroux
Handles creations for scalar series
 r182 }
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 void update(PlottablesMap &plottables, const SqpRange &range, bool rescaleAxes) const override
{
PlottablesUpdater<T>::updatePlottables(m_DataSeries, plottables, range, rescaleAxes);
}
Alexandre Leroux
Handles creations for scalar series
 r182
Alexandre Leroux
Refactors VisualizationGraphWidget::setYRange()...
 r903 void setYAxisRange(const SqpRange &xAxisRange, QCustomPlot &plot) const override
{
return PlottablesUpdater<T>::setPlotYAxisRange(m_DataSeries, xAxisRange, plot);
}
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 T &m_DataSeries;
};
Alexandre Leroux
Handles creations for scalar series
 r182
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 /// Creates IPlottablesHelper according to a data series
Alexandre Leroux
Uses std::shared_ptr
 r587 std::unique_ptr<IPlottablesHelper> createHelper(std::shared_ptr<IDataSeries> dataSeries) noexcept
perrinel
Initialisation of the graph range at creation in a new graphe, or inside...
 r548 {
Alexandre Leroux
Uses std::shared_ptr
 r587 if (auto scalarSeries = std::dynamic_pointer_cast<ScalarSeries>(dataSeries)) {
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 return std::make_unique<PlottablesHelper<ScalarSeries> >(*scalarSeries);
}
Alexandre Leroux
Implements spectrograms display (1)...
 r905 else if (auto spectrogramSeries = std::dynamic_pointer_cast<SpectrogramSeries>(dataSeries)) {
return std::make_unique<PlottablesHelper<SpectrogramSeries> >(*spectrogramSeries);
}
Alexandre Leroux
Uses std::shared_ptr
 r587 else if (auto vectorSeries = std::dynamic_pointer_cast<VectorSeries>(dataSeries)) {
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 return std::make_unique<PlottablesHelper<VectorSeries> >(*vectorSeries);
perrinel
Initialisation of the graph range at creation in a new graphe, or inside...
 r548 }
else {
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 return std::make_unique<PlottablesHelper<IDataSeries> >(*dataSeries);
perrinel
Initialisation of the graph range at creation in a new graphe, or inside...
 r548 }
}
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 } // namespace
Alexandre Leroux
Creates factory that is responsible of creation of QCustomPlot components relative to a variable
 r181
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 PlottablesMap VisualizationGraphHelper::create(std::shared_ptr<Variable> variable,
QCustomPlot &plot) noexcept
{
Alexandre Leroux
Creates factory that is responsible of creation of QCustomPlot components relative to a variable
 r181 if (variable) {
Alexandre Leroux
Uses std::shared_ptr
 r587 auto helper = createHelper(variable->dataSeries());
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 auto plottables = helper->create(plot);
return plottables;
Alexandre Leroux
Creates factory that is responsible of creation of QCustomPlot components relative to a variable
 r181 }
else {
perrinel
Correction for pull request
 r243 qCDebug(LOG_VisualizationGraphHelper())
Alexandre Leroux
Creates factory that is responsible of creation of QCustomPlot components relative to a variable
 r181 << QObject::tr("Can't create graph plottables : the variable is null");
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 return PlottablesMap{};
Alexandre Leroux
Creates factory that is responsible of creation of QCustomPlot components relative to a variable
 r181 }
}
perrinel
The mock plugin can now create data with view operation
 r235
Alexandre Leroux
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");
}
}
Alexandre Leroux
Uses std::shared_ptr
 r587 void VisualizationGraphHelper::updateData(PlottablesMap &plottables,
std::shared_ptr<IDataSeries> dataSeries,
perrinel
The dataSeries of a variable is now shared istead of uniq to avoid...
 r542 const SqpRange &dateTime)
perrinel
The mock plugin can now create data with view operation
 r235 {
Alexandre Leroux
Updates VisualizationGraphHelper to handle vectors
 r583 auto helper = createHelper(dataSeries);
helper->update(plottables, dateTime);
perrinel
The mock plugin can now create data with view operation
 r235 }