ProjectionsPlot Class Reference

Description

A customplot based widget to display projections of IntensityDataItem on X,Y axes.

Definition at line 30 of file ProjectionsPlot.h.

Inheritance diagram for ProjectionsPlot:

Collaboration diagram for ProjectionsPlot:

Public Slots
void	onMarginsChanged (double left, double right)

Public Member Functions
	ProjectionsPlot (QString projectionType, QWidget *parent=nullptr)
	~ProjectionsPlot () override
virtual QList< QAction * >	actionList ()
SessionItem *	currentItem ()
const SessionItem *	currentItem () const
virtual void	setItem (SessionItem *item)

Protected Member Functions
void	hideEvent (QHideEvent *) override
void	onProjectionPropertyChanged (SessionItem *item, const QString &property)
void	showEvent (QShowEvent *) override
void	subscribeToItem () override
void	unsubscribeFromItem () override

Private Member Functions
void	clearProjection (SessionItem *item)
	Removes plot corresponding to given projection item. More...
void	clearProjections ()
	Clears all graphs corresponding to projection items. More...
QCPGraph *	graphForItem (SessionItem *item)
IntensityDataItem *	intensityItem ()
bool	isHorizontalType ()
	Returns true, if widget is intended for horizontal projections. More...
void	onAxisPropertyChanged (const QString &axisName, const QString &propertyName)
	Updates zoom of projections in accordance with IntensityDataItem. More...
void	onIntensityItemPropertyChanged (const QString &propertyName)
	Updates projection appearance (line style, etc) More...
ProjectionContainerItem *	projectionContainerItem ()
QVector< SessionItem * >	projectionItems ()
void	replot ()
void	setGraphFromItem (QCPGraph *graph, SessionItem *item)
	Sets the data to graph from given projection iten. More...
void	setInterpolate (bool isInterpolated)
void	setLogz (bool isLogz)
void	unsubscribeFromChildren ()
void	updateAxesRange ()
	Updates canva's axes to match current zoom level of IntensityDataItem. More...
void	updateAxesTitle ()
void	updateProjections ()
	Runs through all projection items and generates missed plots. More...
void	updateProjectionsData ()
	Creates cached 2D histogram for later projection calculations. More...

Private Attributes
bool	m_block_plot_update
QCustomPlot *	m_customPlot
std::unique_ptr< Datafield >	m_field
QMap< SessionItem *, QCPGraph * >	m_item_to_graph
SessionItemController *	m_itemController
QString	m_projectionType

Constructor & Destructor Documentation

ProjectionsPlot()

ProjectionsPlot::ProjectionsPlot	(	QString	projectionType,
		QWidget *	parent = nullptr
	)

Definition at line 31 of file ProjectionsPlot.cpp.

    : SessionItemWidget(parent)
    , m_projectionType(std::move(projectionType))
    , m_customPlot(new QCustomPlot)
    , m_block_plot_update(false)
{
    auto* vlayout = new QVBoxLayout(this);
    vlayout->setMargin(0);
    vlayout->setSpacing(0);
    vlayout->addWidget(m_customPlot);
    m_customPlot->setAttribute(Qt::WA_NoMousePropagation, false);
    setLayout(vlayout);
 
    m_customPlot->xAxis->setTickLabelFont(
        QFont(QFont().family(), GUI::Constants::plot_tick_label_size()));
    m_customPlot->yAxis->setTickLabelFont(
        QFont(QFont().family(), GUI::Constants::plot_tick_label_size()));
 
    GUI::View::RangeUtils::setDefaultMargins(m_customPlot);
}

References m_customPlot, GUI::Constants::plot_tick_label_size(), and GUI::View::RangeUtils::setDefaultMargins().

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~ProjectionsPlot()

ProjectionsPlot::~ProjectionsPlot ( )

override

Definition at line 52 of file ProjectionsPlot.cpp.

{
    unsubscribeFromChildren();
}

References unsubscribeFromChildren().

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Member Function Documentation

actionList()

QList< QAction * > SessionItemWidget::actionList ( )

virtualinherited

Reimplemented in IntensityDataProjectionsWidget, SpecularDataWidget, SpecularDataCanvas, FitComparisonWidget1D, FitComparisonWidget, IntensityDataWidget, IntensityDataCanvas, SpecularDataImportWidget, RealDataPresenter, and RealDataMaskWidget.

Definition at line 36 of file SessionItemWidget.cpp.

{
    return QList<QAction*>();
}

Referenced by ItemComboWidget::setPresentation().

clearProjection()

void ProjectionsPlot::clearProjection ( SessionItem *  item )

private

Removes plot corresponding to given projection item.

Definition at line 235 of file ProjectionsPlot.cpp.

{
    if (auto* graph = graphForItem(item)) {
        m_block_plot_update = true;
        m_customPlot->removePlottable(graph);
        m_item_to_graph.remove(item);
        replot();
        m_block_plot_update = false;
    }
}

References graphForItem(), m_block_plot_update, m_customPlot, m_item_to_graph, and replot().

Referenced by subscribeToItem().

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clearProjections()

void ProjectionsPlot::clearProjections ( )

private

Clears all graphs corresponding to projection items.

Definition at line 221 of file ProjectionsPlot.cpp.

{
    m_block_plot_update = true;
 
    m_customPlot->clearPlottables();
    m_item_to_graph.clear();
 
    replot();
 
    m_block_plot_update = false;
}

References m_block_plot_update, m_customPlot, m_item_to_graph, and replot().

Referenced by unsubscribeFromItem().

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currentItem() [1/2]

SessionItem * SessionItemWidget::currentItem ( )

inherited

Definition at line 41 of file SessionItemWidget.cpp.

{
    return const_cast<SessionItem*>(static_cast<const SessionItemWidget*>(this)->currentItem());
}

Referenced by FitFlowWidget::fitSuiteItem(), RealDataMaskWidget::intensityDataItem(), IntensityDataCanvas::intensityDataItem(), IntensityDataWidget::intensityDataItem(), IntensityDataProjectionsWidget::intensityDataItem(), intensityItem(), ColorMap::intensityItem(), JobResultsPresenter::itemPresentation(), FitParameterWidget::jobItem(), ParameterTuningWidget::jobItem(), RunFitControlWidget::jobItem(), FitComparisonWidget::jobItem(), FitComparisonWidget1D::jobItem(), IntensityDataPropertyWidget::jobItem(), SpecularDataPropertyWidget::jobItem(), SpecularDataImportWidget::realDataItem(), ItemComboWidget::setPresentation(), JobResultsPresenter::setPresentation(), SpecularDataImportWidget::specularDataItem(), SpecularDataCanvas::specularDataItem(), SpecularDataWidget::specularDataItem(), SpecularPlot::specularItem(), ItemComboWidget::subscribeToItem(), unsubscribeFromChildren(), and Plot1D::viewItem().

currentItem() [2/2]

const SessionItem * SessionItemWidget::currentItem ( ) const

inherited

Definition at line 46 of file SessionItemWidget.cpp.

{
    return m_itemController->currentItem();
}

References SessionItemController::currentItem(), and SessionItemWidget::m_itemController.

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graphForItem()

QCPGraph * ProjectionsPlot::graphForItem ( SessionItem *  item )

private

Definition at line 147 of file ProjectionsPlot.cpp.

{
    if (item->modelType() != m_projectionType)
        return nullptr;
 
    QCPGraph* graph = m_item_to_graph[item];
    if (!graph) {
        graph = m_customPlot->addGraph();
        QPen pen;
        pen.setColor(QColor(0, 0, 255, 200));
        graph->setLineStyle(intensityItem()->isInterpolated() ? QCPGraph::lsLine
                                                              : QCPGraph::lsStepCenter);
        graph->setPen(pen);
        m_item_to_graph[item] = graph;
    }
 
    return graph;
}

References intensityItem(), m_customPlot, m_item_to_graph, m_projectionType, and SessionItem::modelType().

Referenced by clearProjection(), onProjectionPropertyChanged(), and updateProjections().

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hideEvent()

void SessionItemWidget::hideEvent ( QHideEvent *  )

overrideprotectedinherited

Definition at line 56 of file SessionItemWidget.cpp.

{
    m_itemController->unsubscribe();
}

References SessionItemWidget::m_itemController, and SessionItemController::unsubscribe().

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intensityItem()

IntensityDataItem * ProjectionsPlot::intensityItem ( )

private

Definition at line 128 of file ProjectionsPlot.cpp.

{
    auto* result = dynamic_cast<IntensityDataItem*>(currentItem());
    ASSERT(result);
    return result;
}

References SessionItemWidget::currentItem().

Referenced by graphForItem(), onAxisPropertyChanged(), onIntensityItemPropertyChanged(), projectionContainerItem(), subscribeToItem(), updateAxesRange(), updateAxesTitle(), and updateProjectionsData().

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isHorizontalType()

bool ProjectionsPlot::isHorizontalType ( )

private

Returns true, if widget is intended for horizontal projections.

Definition at line 316 of file ProjectionsPlot.cpp.

{
    return m_projectionType == HorizontalLineItem::M_TYPE;
}

References m_projectionType, and HorizontalLineItem::M_TYPE.

Referenced by updateAxesRange(), and updateAxesTitle().

onAxisPropertyChanged()

void ProjectionsPlot::onAxisPropertyChanged ( const QString &  axisName, const QString &  propertyName  )

private

Updates zoom of projections in accordance with IntensityDataItem.

Definition at line 258 of file ProjectionsPlot.cpp.

{
    Q_UNUSED(axisName);
 
    if (BasicAxisItem::isBoundsPropertiesName(propertyName))
        updateAxesRange();
    else if (BasicAxisItem::isTitlePropertyName(propertyName))
        updateAxesTitle();
    else if (AmplitudeAxisItem::isLogScalePropertyName(propertyName))
        setLogz(intensityItem()->isLogz());
 
    replot();
}

References intensityItem(), BasicAxisItem::isBoundsPropertiesName(), AmplitudeAxisItem::isLogScalePropertyName(), BasicAxisItem::isTitlePropertyName(), replot(), setLogz(), updateAxesRange(), and updateAxesTitle().

Referenced by subscribeToItem().

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onIntensityItemPropertyChanged()

void ProjectionsPlot::onIntensityItemPropertyChanged ( const QString &  propertyName )

private

Updates projection appearance (line style, etc)

Definition at line 248 of file ProjectionsPlot.cpp.

{
    if (IntensityDataItem::isInterpolatedPropertyName(propertyName)) {
        setInterpolate(intensityItem()->isInterpolated());
        replot();
    }
}

References intensityItem(), IntensityDataItem::isInterpolatedPropertyName(), replot(), and setInterpolate().

Referenced by subscribeToItem().

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onMarginsChanged

void ProjectionsPlot::onMarginsChanged ( double  left, double  right  )

slot

Definition at line 57 of file ProjectionsPlot.cpp.

{
    QMargins orig = m_customPlot->axisRect()->margins();
    m_customPlot->axisRect()->setMargins(QMargins(left, orig.top(), right, orig.bottom()));
    replot();
}

References m_customPlot, and replot().

Referenced by ProjectionsWidget::onMarginsChanged().

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onProjectionPropertyChanged()

void ProjectionsPlot::onProjectionPropertyChanged ( SessionItem *  item, const QString &  property  )

protected

Definition at line 114 of file ProjectionsPlot.cpp.

{
    if (m_block_plot_update)
        return;
 
    m_block_plot_update = true;
 
    if (auto* graph = graphForItem(item))
        setGraphFromItem(graph, item);
    replot();
 
    m_block_plot_update = false;
}

References graphForItem(), m_block_plot_update, replot(), and setGraphFromItem().

Referenced by subscribeToItem().

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projectionContainerItem()

ProjectionContainerItem * ProjectionsPlot::projectionContainerItem ( )

private

Definition at line 135 of file ProjectionsPlot.cpp.

{
    ProjectionContainerItem* result = intensityItem()->projectionContainerItem();
    ASSERT(result);
    return result;
}

References intensityItem(), and IntensityDataItem::projectionContainerItem().

Referenced by projectionItems(), subscribeToItem(), and unsubscribeFromChildren().

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projectionItems()

QVector< SessionItem * > ProjectionsPlot::projectionItems ( )

private

Definition at line 142 of file ProjectionsPlot.cpp.

{
    return projectionContainerItem()->childrenOfType(m_projectionType);
}

References SessionItem::childrenOfType(), m_projectionType, and projectionContainerItem().

Referenced by updateProjections().

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replot()

void ProjectionsPlot::replot ( )

private

Definition at line 309 of file ProjectionsPlot.cpp.

{
    m_customPlot->replot();
}

References m_customPlot.

Referenced by clearProjection(), clearProjections(), onAxisPropertyChanged(), onIntensityItemPropertyChanged(), onMarginsChanged(), onProjectionPropertyChanged(), and updateProjections().

setGraphFromItem()

void ProjectionsPlot::setGraphFromItem ( QCPGraph *  graph, SessionItem *  item  )

private

Sets the data to graph from given projection iten.

Definition at line 274 of file ProjectionsPlot.cpp.

{
    std::unique_ptr<Datafield> field;
 
    // TODO: merge with very similar code in SaveProjectionsAssistant::projectionsData
    if (item->modelType() == HorizontalLineItem::M_TYPE) {
        double value = polymorphic_downcast<HorizontalLineItem*>(item)->posY();
        field.reset(m_field->xProjection(value));
    } else {
        double value = polymorphic_downcast<VerticalLineItem*>(item)->posX();
        field.reset(m_field->yProjection(value));
    }
 
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
    auto centers = field->axis(0).binCenters();
    auto values = field->flatVector();
    graph->setData(QVector<double>(centers.begin(), centers.end()),
                   QVector<double>(values.begin(), values.end()));
#else
    graph->setData(QVector<double>::fromStdVector(hist->binCenters()),
                   QVector<double>::fromStdVector(hist->binValues()));
#endif
}

References m_field, HorizontalLineItem::M_TYPE, and SessionItem::modelType().

Referenced by onProjectionPropertyChanged(), and updateProjections().

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setInterpolate()

void ProjectionsPlot::setInterpolate ( bool  isInterpolated )

private

Definition at line 298 of file ProjectionsPlot.cpp.

{
    for (auto* graph : m_item_to_graph)
        graph->setLineStyle(isInterpolated ? QCPGraph::lsLine : QCPGraph::lsStepCenter);
}

References m_item_to_graph.

Referenced by onIntensityItemPropertyChanged().

setItem()

void SessionItemWidget::setItem ( SessionItem *  item )

virtualinherited

Reimplemented in SpecularPlotCanvas, SpecularDataImportWidget, SpecularDataWidget, IntensityDataWidget, JobResultsPresenter, ItemComboWidget, ProjectionsWidget, SpecularDataCanvas, IntensityDataCanvas, ColorMapCanvas, and Plot1DCanvas.

Definition at line 28 of file SessionItemWidget.cpp.

{
    m_itemController->setItem(item);
 
    if (isVisible())
        m_itemController->subscribe();
}

References SessionItemWidget::m_itemController, SessionItemController::setItem(), and SessionItemController::subscribe().

Referenced by MaskGraphicsProxy::setIntensityItem(), FitSessionWidget::setItem(), Plot1DCanvas::setItem(), ColorMapCanvas::setItem(), IntensityDataCanvas::setItem(), SpecularDataCanvas::setItem(), ProjectionsWidget::setItem(), ItemComboWidget::setItem(), IntensityDataWidget::setItem(), SpecularDataWidget::setItem(), SpecularDataImportWidget::setItem(), SpecularPlotCanvas::setItem(), ItemComboWidget::setPresentation(), FitComparisonWidget::subscribeToItem(), and FitComparisonWidget1D::subscribeToItem().

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setLogz()

void ProjectionsPlot::setLogz ( bool  isLogz )

private

Definition at line 304 of file ProjectionsPlot.cpp.

{
    GUI::View::RangeUtils::setLogz(m_customPlot->yAxis, isLogz);
}

References m_customPlot, and GUI::View::RangeUtils::setLogz().

Referenced by onAxisPropertyChanged(), and updateProjectionsData().

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showEvent()

void SessionItemWidget::showEvent ( QShowEvent *  )

overrideprotectedinherited

Definition at line 51 of file SessionItemWidget.cpp.

{
    m_itemController->subscribe();
}

References SessionItemWidget::m_itemController, and SessionItemController::subscribe().

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subscribeToItem()

void ProjectionsPlot::subscribeToItem ( )

overrideprotectedvirtual

Reimplemented from SessionItemWidget.

Definition at line 64 of file ProjectionsPlot.cpp.

{
    // Update projection plot on new item appearance
    projectionContainerItem()->mapper()->setOnChildrenChange(
        [this](SessionItem* item) {
            if (item)
                updateProjections();
        },
        this);
 
    // Remove projection plot
    projectionContainerItem()->mapper()->setOnAboutToRemoveChild(
        [this](SessionItem* item) { clearProjection(item); }, this);
 
    // Update projection position
    projectionContainerItem()->mapper()->setOnChildPropertyChange(
        [this](SessionItem* item, const QString& name) { onProjectionPropertyChanged(item, name); },
        this);
 
    // Values of intensity changed, regenerate everything.
    intensityItem()->mapper()->setOnValueChange(
        [this]() {
            updateProjectionsData();
            updateProjections();
        },
        this);
 
    // IntensityItem property (e.g. interpolation changed)
    intensityItem()->mapper()->setOnPropertyChange(
        [this](const QString& name) { onIntensityItemPropertyChanged(name); }, this);
 
    // Update to changed IntensityDataItem axes
    intensityItem()->mapper()->setOnChildPropertyChange(
        [this](SessionItem* item, const QString name) {
            if (item->modelType() == BasicAxisItem::M_TYPE
                || item->modelType() == AmplitudeAxisItem::M_TYPE)
                onAxisPropertyChanged(item->itemName(), name);
        },
        this);
 
    updateProjectionsData();
    updateProjections();
}

References clearProjection(), intensityItem(), SessionItem::itemName(), BasicAxisItem::M_TYPE, AmplitudeAxisItem::M_TYPE, SessionItem::mapper(), SessionItem::modelType(), GUI::RealSpace::Particles::name(), onAxisPropertyChanged(), onIntensityItemPropertyChanged(), onProjectionPropertyChanged(), projectionContainerItem(), ModelMapper::setOnAboutToRemoveChild(), ModelMapper::setOnChildPropertyChange(), ModelMapper::setOnChildrenChange(), ModelMapper::setOnPropertyChange(), ModelMapper::setOnValueChange(), updateProjections(), and updateProjectionsData().

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unsubscribeFromChildren()

void ProjectionsPlot::unsubscribeFromChildren ( )

private

Definition at line 166 of file ProjectionsPlot.cpp.

{
    if (currentItem())
        projectionContainerItem()->mapper()->unsubscribe(this);
}

References SessionItemWidget::currentItem(), SessionItem::mapper(), projectionContainerItem(), and ModelMapper::unsubscribe().

Referenced by ~ProjectionsPlot(), and unsubscribeFromItem().

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unsubscribeFromItem()

void ProjectionsPlot::unsubscribeFromItem ( )

overrideprotectedvirtual

Reimplemented from SessionItemWidget.

Definition at line 108 of file ProjectionsPlot.cpp.

{
    unsubscribeFromChildren();
    clearProjections();
}

References clearProjections(), and unsubscribeFromChildren().

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updateAxesRange()

void ProjectionsPlot::updateAxesRange ( )

private

Updates canva's axes to match current zoom level of IntensityDataItem.

Definition at line 201 of file ProjectionsPlot.cpp.

{
    if (isHorizontalType())
        m_customPlot->xAxis->setRange(GUI::View::RangeUtils::itemZoomX(intensityItem()));
    else
        m_customPlot->xAxis->setRange(GUI::View::RangeUtils::itemZoomY(intensityItem()));
 
    m_customPlot->yAxis->setRange(GUI::View::RangeUtils::itemDataZoom(intensityItem()));
}

References intensityItem(), isHorizontalType(), GUI::View::RangeUtils::itemDataZoom(), GUI::View::RangeUtils::itemZoomX(), GUI::View::RangeUtils::itemZoomY(), and m_customPlot.

Referenced by onAxisPropertyChanged(), and updateProjectionsData().

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updateAxesTitle()

void ProjectionsPlot::updateAxesTitle ( )

private

Definition at line 211 of file ProjectionsPlot.cpp.

{
    if (isHorizontalType())
        m_customPlot->xAxis->setLabel(intensityItem()->getXaxisTitle());
    else
        m_customPlot->xAxis->setLabel(intensityItem()->getYaxisTitle());
}

References intensityItem(), isHorizontalType(), and m_customPlot.

Referenced by onAxisPropertyChanged(), and updateProjectionsData().

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updateProjections()

void ProjectionsPlot::updateProjections ( )

private

Runs through all projection items and generates missed plots.

Definition at line 184 of file ProjectionsPlot.cpp.

{
    if (m_block_plot_update)
        return;
 
    m_block_plot_update = true;
 
    for (auto* projItem : projectionItems())
        setGraphFromItem(graphForItem(projItem), projItem);
 
    replot();
 
    m_block_plot_update = false;
}

References graphForItem(), m_block_plot_update, projectionItems(), replot(), and setGraphFromItem().

Referenced by subscribeToItem().

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updateProjectionsData()

void ProjectionsPlot::updateProjectionsData ( )

private

Creates cached 2D histogram for later projection calculations.

Definition at line 174 of file ProjectionsPlot.cpp.

{
    m_field.reset(intensityItem()->getDatafield());
    updateAxesRange();
    updateAxesTitle();
    setLogz(intensityItem()->isLogz());
}

References intensityItem(), m_field, setLogz(), updateAxesRange(), and updateAxesTitle().

Referenced by subscribeToItem().

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Member Data Documentation

m_block_plot_update

bool ProjectionsPlot::m_block_plot_update

private

Definition at line 75 of file ProjectionsPlot.h.

Referenced by clearProjection(), clearProjections(), onProjectionPropertyChanged(), and updateProjections().

m_customPlot

QCustomPlot* ProjectionsPlot::m_customPlot

private

Definition at line 72 of file ProjectionsPlot.h.

Referenced by ProjectionsPlot(), clearProjection(), clearProjections(), graphForItem(), onMarginsChanged(), replot(), setLogz(), updateAxesRange(), and updateAxesTitle().

m_field

std::unique_ptr<Datafield> ProjectionsPlot::m_field

private

Definition at line 73 of file ProjectionsPlot.h.

Referenced by setGraphFromItem(), and updateProjectionsData().

m_item_to_graph

QMap<SessionItem*, QCPGraph*> ProjectionsPlot::m_item_to_graph

private

Definition at line 74 of file ProjectionsPlot.h.

Referenced by clearProjection(), clearProjections(), graphForItem(), and setInterpolate().

m_itemController

SessionItemController* SessionItemWidget::m_itemController

privateinherited

Definition at line 49 of file SessionItemWidget.h.

Referenced by SessionItemWidget::SessionItemWidget(), SessionItemWidget::currentItem(), SessionItemWidget::hideEvent(), SessionItemWidget::setItem(), and SessionItemWidget::showEvent().

m_projectionType

QString ProjectionsPlot::m_projectionType

private

Definition at line 71 of file ProjectionsPlot.h.

Referenced by graphForItem(), isHorizontalType(), and projectionItems().

---

The documentation for this class was generated from the following files:

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/Projection/ProjectionsPlot.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/Projection/ProjectionsPlot.cpp