SaveProjectionsAssistant Class Reference

Description

Assistant class which save all projections of IndensityDataItem into ASCII file.

Definition at line 29 of file SaveProjectionsAssistant.h.

Collaboration diagram for SaveProjectionsAssistant:

Classes
struct	Projection
struct	ProjectionsData

Public Member Functions
	SaveProjectionsAssistant ()
	~SaveProjectionsAssistant ()
void	saveProjections (QWidget *parent, IntensityDataItem *intensityItem)
	Calls file open dialog and writes projection data as ASCII. More...

Private Member Functions
QString	projectionFileHeader (ProjectionsData &projectionsData)
	Returns projections header. For projections along x it will be "# x y=6.0194 y=33.5922 y=61.9417". More...
QVector< SessionItem * >	projectionItems (const QString &projectionsType, IntensityDataItem *intensityItem)
	Returns vector of ProjectionItems sorted according to axis value. More...
ProjectionsData	projectionsData (const QString &projectionsType, IntensityDataItem *intensityItem)
	Returns projections data for all projections of given type (horizontal, vertical). More...
QString	projectionsToString (const QString &projectionsType, IntensityDataItem *intensityItem)
	Generates multi-line string with projections data of given type (horizontal, vertical). More...

Private Attributes
std::unique_ptr< Datafield >	m_field

Constructor & Destructor Documentation

SaveProjectionsAssistant()

SaveProjectionsAssistant::SaveProjectionsAssistant ( )

default

~SaveProjectionsAssistant()

SaveProjectionsAssistant::~SaveProjectionsAssistant ( )

default

Member Function Documentation

projectionFileHeader()

QString SaveProjectionsAssistant::projectionFileHeader ( ProjectionsData &  projectionsData )

private

Returns projections header. For projections along x it will be "# x y=6.0194 y=33.5922 y=61.9417".

Definition at line 179 of file SaveProjectionsAssistant.cpp.

{
    QString xcol, ycol;
 
    projectionsData.is_horizontal ? xcol = "# x" : xcol = "# y";
    projectionsData.is_horizontal ? ycol = " y=" : ycol = " x=";
 
    QString result;
    result.append(QString("%1").arg(xcol, -bin_centers_colwidth));
 
    for (auto& data : projectionsData.projections)
        result.append(QString("%1%2").arg(ycol).arg(data.axis_value,
                                                    -(bin_values_colwidth - ycol.size()), 'f', 4));
    result.append("\n");
 
    return result;
}

References SaveProjectionsAssistant::ProjectionsData::is_horizontal, SaveProjectionsAssistant::ProjectionsData::projections, and projectionsData().

Referenced by projectionsToString().

Here is the call graph for this function:

projectionItems()

QVector< SessionItem * > SaveProjectionsAssistant::projectionItems ( const QString &  projectionsType, IntensityDataItem *  intensityItem  )

private

Returns vector of ProjectionItems sorted according to axis value.

Definition at line 167 of file SaveProjectionsAssistant.cpp.

{
    auto result = intensityItem->projectionContainerItem()->childrenOfType(projectionsType);
    std::sort(result.begin(), result.end(),
              projectionsType == HorizontalLineItem::M_TYPE ? horiz_less_posy : vert_less_posx);
    return result;
}

References SessionItem::childrenOfType(), HorizontalLineItem::M_TYPE, and IntensityDataItem::projectionContainerItem().

Referenced by projectionsData().

Here is the call graph for this function:

projectionsData()

SaveProjectionsAssistant::ProjectionsData SaveProjectionsAssistant::projectionsData ( const QString &  projectionsType, IntensityDataItem *  intensityItem  )

private

Returns projections data for all projections of given type (horizontal, vertical).

Definition at line 130 of file SaveProjectionsAssistant.cpp.

{
    ProjectionsData result;
    result.is_horizontal = (projectionsType != VerticalLineItem::M_TYPE);
 
    for (auto* item : projectionItems(projectionsType, intensityItem)) {
        std::unique_ptr<Datafield> field;
        SaveProjectionsAssistant::Projection data;
 
        if (item->modelType() == HorizontalLineItem::M_TYPE) {
            data.axis_value = polymorphic_downcast<HorizontalLineItem*>(item)->posY();
            field.reset(m_field->xProjection(data.axis_value));
        } else {
            data.axis_value = polymorphic_downcast<VerticalLineItem*>(item)->posX();
            field.reset(m_field->yProjection(data.axis_value));
        }
 
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
        auto values = field->flatVector();
        auto centers = field->axis(0).binCenters();
        data.bin_values = QVector<double>(values.begin(), values.end());
        if (result.bin_centers.isEmpty())
            result.bin_centers = QVector<double>(centers.begin(), centers.end());
#else
        data.bin_values = QVector<double>::fromStdVector(hist->binValues());
        if (result.bin_centers.isEmpty())
            result.bin_centers = QVector<double>::fromStdVector(hist->binCenters());
#endif
 
        result.projections.push_back(data);
    }
    return result;
}

References SaveProjectionsAssistant::Projection::axis_value, SaveProjectionsAssistant::ProjectionsData::bin_centers, SaveProjectionsAssistant::Projection::bin_values, SaveProjectionsAssistant::ProjectionsData::is_horizontal, m_field, VerticalLineItem::M_TYPE, HorizontalLineItem::M_TYPE, projectionItems(), and SaveProjectionsAssistant::ProjectionsData::projections.

Referenced by projectionFileHeader(), and projectionsToString().

Here is the call graph for this function:

projectionsToString()

QString SaveProjectionsAssistant::projectionsToString ( const QString &  projectionsType, IntensityDataItem *  intensityItem  )

private

Generates multi-line string with projections data of given type (horizontal, vertical).

Definition at line 103 of file SaveProjectionsAssistant.cpp.

{
    QString result;
    QTextStream out(&result);
 
    auto projData = projectionsData(projectionsType, intensityItem);
 
    if (projData.projections.isEmpty())
        return result;
 
    out << projectionFileHeader(projData);
 
    auto bin_centers = projData.bin_centers;
 
    for (int i_point = 0; i_point < bin_centers.size(); ++i_point) {
        out << to_double_str(bin_centers[i_point]) << " ";
        for (auto& data : projData.projections)
            out << to_scientific_str(data.bin_values[i_point]);
        out << "\n";
    }
    return result;
}

References projectionFileHeader(), and projectionsData().

Referenced by saveProjections().

Here is the call graph for this function:

saveProjections()

void SaveProjectionsAssistant::saveProjections	(	QWidget *	parent,
		IntensityDataItem *	intensityItem
	)

Calls file open dialog and writes projection data as ASCII.

Definition at line 68 of file SaveProjectionsAssistant.cpp.

{
    ASSERT(intensityItem);
 
    QString defaultName = gSessionData->projectDocument.value()->userExportDir() + "/untitled.txt";
    QString fileName = QFileDialog::getSaveFileName(
        parent, "Save projections data", defaultName, "", nullptr,
        appSettings->useNativeFileDialog() ? QFileDialog::Options()
                                           : QFileDialog::DontUseNativeDialog);
 
    if (fileName.isEmpty())
        return;
 
    QFile file(fileName);
    if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
        throw Error("TestGUI::Project::Utils::createTestFile() -> Error. "
                    "Can't create file");
 
    m_field.reset(intensityItem->getDatafield());
 
    QTextStream out(&file);
 
    out << "# Projections along x-axis (horizontal projections) \n";
    out << projectionsToString(HorizontalLineItem::M_TYPE, intensityItem);
    out << "\n";
 
    out << "# Projections along y-axis (vertical projections) \n";
    out << projectionsToString(VerticalLineItem::M_TYPE, intensityItem);
    out << "\n";
 
    file.close();
}

References appSettings, Error, DataItem::getDatafield(), gSessionData, m_field, VerticalLineItem::M_TYPE, HorizontalLineItem::M_TYPE, SessionData::projectDocument, projectionsToString(), and ApplicationSettings::useNativeFileDialog().

Referenced by ProjectionsEditorActions::onSaveAction().

Here is the call graph for this function:

Member Data Documentation

m_field

std::unique_ptr<Datafield> SaveProjectionsAssistant::m_field

private

Definition at line 50 of file SaveProjectionsAssistant.h.

Referenced by projectionsData(), and saveProjections().

---

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

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