StratBar Class Reference

Detailed Description

A 2D bar visualisation of a borehole stratigraphy.

A 2D bar visualisation of a borehole stratigraphy as a QGraphicsItem.

Definition at line 18 of file StratBar.h.

#include <StratBar.h>

Inheritance diagram for StratBar:

Collaboration diagram for StratBar:

Public Member Functions
	StratBar (GeoLib::StationBorehole *station, std::map< std::string, DataHolderLib::Color > *stratColors=nullptr, QGraphicsItem *parent=nullptr)
	Constructor.
	~StratBar () override=default
QRectF	boundingRect () const override
	Returns the bounding rectangle of the bar.
void	paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override
	Paints the bar.

Private Member Functions
double	logHeight (double h) const
	Calculates the height for a soil layer by "log(d+1)*100".
double	totalLogHeight () const
	Calculates the total height of the bar by calculating and adding the log-height for all layers in the borehole.

Private Attributes
GeoLib::StationBorehole *	_station
std::map< std::string, DataHolderLib::Color >	_stratColors

Static Private Attributes
static const int	BARWIDTH = 50
	The default width of the bar.

Constructor & Destructor Documentation

StratBar()

StratBar::StratBar ( GeoLib::StationBorehole * station, std::map< std::string, DataHolderLib::Color > * stratColors = nullptr, QGraphicsItem * parent = nullptr )

explicit

Constructor.

Parameters

station	The borehole whose stratigraphy will be visualised.
stratColors	A color map.
parent	The parent QGraphicsItem.

Definition at line 8 of file StratBar.cpp.

    : QGraphicsItem(parent), _station(station)
{
    if (stratColors)
    {
        _stratColors = *stratColors;
    }
}

References _station, and _stratColors.

~StratBar()

StratBar::~StratBar ( )

overridedefault

Member Function Documentation

boundingRect()

QRectF StratBar::boundingRect ( ) const

override

Returns the bounding rectangle of the bar.

Definition at line 19 of file StratBar.cpp.

{
    return QRectF(0, 0, BARWIDTH + 10, totalLogHeight());
}

References BARWIDTH, and totalLogHeight().

Referenced by StratScene::StratScene().

logHeight()

double StratBar::logHeight ( double h ) const

inlineprivate

Calculates the height for a soil layer by "log(d+1)*100".

Parameters

h	The original thickness of the soil layer.

Definition at line 46 of file StratBar.h.

{ return log(h + 1) * 100; }

Referenced by paint().

paint()

void StratBar::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget )

override

Paints the bar.

Definition at line 24 of file StratBar.cpp.

{
    Q_UNUSED(option)
    Q_UNUSED(widget)
 
    double top = 0;
    double height = 0;
 
    QPen pen(Qt::black, 1, Qt::SolidLine, Qt::SquareCap, Qt::RoundJoin);
    pen.setCosmetic(true);
    painter->setPen(pen);
    // painter->drawRect(_bar);
 
    // pen.setWidth(1);
    std::vector<GeoLib::Point*> profile = _station->getProfile();
    std::vector<std::string> soilNames = _station->getSoilNames();
    std::size_t nLayers = profile.size();
 
    painter->drawLine(0, 0, BARWIDTH + 5, 0);
 
    for (std::size_t i = 1; i < nLayers; i++)
    {
        top += height;
        height = logHeight(((*(profile[i - 1]))[2] - (*(profile[i]))[2]));
        QRectF layer(0, top, BARWIDTH, height);
        DataHolderLib::Color const& c(
            DataHolderLib::getColor(soilNames[i], _stratColors));
        QBrush brush(QColor(static_cast<int>(c[0]),
                            static_cast<int>(c[1]),
                            static_cast<int>(c[2]),
                            127),
                     Qt::SolidPattern);
        painter->setBrush(brush);
 
        painter->drawRect(layer);
        painter->drawLine(0,
                          static_cast<int>(layer.bottom()),
                          BARWIDTH + 5,
                          static_cast<int>(layer.bottom()));
        // painter->drawText(BARWIDTH+10, layer.bottom(),
        // QString::number((*(profile[i]))[2]));
    }
}

References _station, _stratColors, BARWIDTH, DataHolderLib::getColor(), and logHeight().

totalLogHeight()

double StratBar::totalLogHeight ( ) const

private

Calculates the total height of the bar by calculating and adding the log-height for all layers in the borehole.

Definition at line 70 of file StratBar.cpp.

{
    double height = 0;
    std::vector<GeoLib::Point*> profile = _station->getProfile();
 
    for (std::size_t i = 1; i < profile.size(); i++)
    {
        height += (log((*(profile[i - 1]))[2] - (*(profile[i]))[2] + 1) * 100);
    }
 
    return height;
}

References _station.

Referenced by boundingRect().

Member Data Documentation

_station

GeoLib::StationBorehole* StratBar::_station

private

Definition at line 54 of file StratBar.h.

Referenced by StratBar(), paint(), and totalLogHeight().

_stratColors

std::map<std::string, DataHolderLib::Color> StratBar::_stratColors

private

Definition at line 55 of file StratBar.h.

Referenced by StratBar(), and paint().

BARWIDTH

const int StratBar::BARWIDTH = 50

staticprivate

The default width of the bar.

Definition at line 52 of file StratBar.h.

Referenced by boundingRect(), and paint().

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

• StratBar.h
• StratBar.cpp