A QwtPlot Widget customized for use in plotting GPS accuracies. More...

Inheritance diagram for DtAssistantPlot:

Collaboration diagram for DtAssistantPlot:

Classes
class	TimeScaleDraw
	Custom QwtScaleDraw for displaying x axis values as times. More...

Public Member Functions
virtual void	initialize (bool showLegend, const QString &unitLabel)
	Applies styles to the plot.
virtual	~DtAssistantPlot ()
	Virtual DTOR.
virtual void	setShowTimeLabels (bool show)
	Sets whether the X-Axis time labels are visible.
virtual void	setLockUpdates (bool lock)
	Sets whether updates.
virtual DtAssistantPlotSeries *	createPlotSeries (const QColor &color, unsigned seriesId, Qt::PenStyle style, const QString &dispName=QString())
	Creates a new series to display on the plot.
virtual DtAssistantPlotSeries *	findSeries (unsigned seriesId)
	Finds the series with the given ID and returns it.
virtual QwtLegend *	createLegend ()
virtual void	updateSeries (unsigned seriesId, double t, double val)
	Updates the given series with the given values Updates the series with the given values, updates the plot's scaling, and performs a replot.
virtual void	updateAxisScaling ()
	Updates the y axis scaling to show the most recent n seconds Updates the y axis scaling so the most recently plotted value is visible and only myNumSecondsVisible seconds are visible (earlier plotted values will be hidden).
virtual void	updateAxisScalingIfNeeded ()
	Updates the y axis scaling to show the most recent n seconds Does not rescale if maximum value can still be displayed on the graph.
virtual float	getMaxVal ()
virtual float	getMaxVal (unsigned seriesId)
virtual float	getMinVal ()
virtual float	getMinVal (unsigned seriesId)
virtual void	setBaseTime (double baseTime)
virtual void	setSeriesEnabled (unsigned seriesId, bool enabled)
virtual void	setSeriesEnabled (QwtPlotItem *item, bool enabled)
virtual void	clear ()

Static Public Member Functions
static DtAssistantPlot *	create (const QString &unitLabel=QString())
	Instantiates and initializes a new DtAssistantPlot.
static DtAssistantPlot *	create (LegendPosition legendPos, const QString &unitLabel=QString())
	Instantiates and initializes a new DtAssistantPlot.

Protected Types
typedef std::map< unsigned, DtAssistantPlotSeries * >	SeriesMap
typedef std::map< unsigned, float >	SeriesMaxValMap
typedef SeriesMaxValMap	SeriesMinValMap

Protected Member Functions
	DtAssistantPlot (const QString &unitLabel=QString())
	Protected CTOR (use create(..)) This CTOR creates a plot with no legend.
	DtAssistantPlot (LegendPosition legendPos, const QString &unitLabel=QString())
	Protected CTOR (use create(..)) Instantiates a new plot with grid lines and scrolling.
virtual void	connectToSignals ()
virtual QPen	createPen (const QColor &color, Qt::PenStyle style=Qt::SolidLine, qreal width=0)
	Utility method for creating a pen with the given color and width.

Protected Attributes
SeriesMap	mySeries
SeriesMaxValMap	myMaxVals
float	myMaxVal
SeriesMinValMap	myMinVals
float	myMinVal
LegendPosition	myLegendPosition
bool	myDirtyMaxValFlag
bool	myDirtyMinValFlag
bool	myLockUpdatesFlag
bool	myDirtyPlotFlag

Static Protected Attributes

static const float	theScaleFactor
	Constants used in scaling y axis.
static const float	theIntervalFactor
	Constants used in scaling y axis.

Detailed Description

A QwtPlot Widget customized for use in plotting GPS accuracies.

Member Typedef Documentation

typedef std::map<unsigned,DtAssistantPlotSeries*> DtAssistantPlot::SeriesMap

protected

typedef std::map<unsigned,float> DtAssistantPlot::SeriesMaxValMap

protected

typedef SeriesMaxValMap DtAssistantPlot::SeriesMinValMap

protected

Constructor & Destructor Documentation

virtual DtAssistantPlot::~DtAssistantPlot ( )

virtual

Virtual DTOR.

DtAssistantPlot::DtAssistantPlot ( const QString & unitLabel = QString() )

protected

Protected CTOR (use create(..)) This CTOR creates a plot with no legend.

Instantiates a new plot with grid lines and scrolling

Parameters

unitLabel label for the units of the y axis.

DtAssistantPlot::DtAssistantPlot	(	LegendPosition	legendPos,
		const QString &	unitLabel = `QString()`
	)

protected

Protected CTOR (use create(..)) Instantiates a new plot with grid lines and scrolling.

Parameters

legendPos	where to position the legend relative to the plot.
unitLabel	label for the units of the y axis.

Member Function Documentation

virtual void DtAssistantPlot::clear ( )

virtual

virtual void DtAssistantPlot::connectToSignals ( )

protectedvirtual

static DtAssistantPlot* DtAssistantPlot::create ( const QString & unitLabel = QString() )

static

Instantiates and initializes a new DtAssistantPlot.

Parameters

unitLabel label for the units of the y axis.

static DtAssistantPlot* DtAssistantPlot::create	(	LegendPosition	legendPos,
		const QString &	unitLabel = `QString()`
	)

static

Instantiates and initializes a new DtAssistantPlot.

Parameters

legendPos	where to position the legend relative to the plot.
unitLabel	label for the units of the y axis.

virtual QwtLegend* DtAssistantPlot::createLegend ( )

virtual

virtual QPen DtAssistantPlot::createPen	(	const QColor &	color,
		Qt::PenStyle	style = `Qt::SolidLine`,
		qreal	width = `0`
	)

protectedvirtual

Utility method for creating a pen with the given color and width.

Parameters

color	the color to make the pen
style	the style of line to draw
width	the width of the pen

virtual DtAssistantPlotSeries* DtAssistantPlot::createPlotSeries	(	const QColor &	color,
		unsigned	seriesId,
		Qt::PenStyle	style,
		const QString &	dispName = `QString()`
	)

virtual

Creates a new series to display on the plot.

Parameters

color	the color of the series lines
seriesId	an integer ID uniquely identifying the series
dispName	a logical name for the series (to be displayed on the legend)

virtual DtAssistantPlotSeries* DtAssistantPlot::findSeries ( unsigned seriesId )

virtual

Finds the series with the given ID and returns it.

Returns: returns the series with the given ID or NULL if there wasn't one

virtual float DtAssistantPlot::getMaxVal ( )

virtual

virtual float DtAssistantPlot::getMaxVal ( unsigned seriesId )

virtual

virtual float DtAssistantPlot::getMinVal ( )

virtual

virtual float DtAssistantPlot::getMinVal ( unsigned seriesId )

virtual

virtual void DtAssistantPlot::initialize	(	bool	showLegend,
		const QString &	unitLabel
	)

virtual

Applies styles to the plot.

Parameters

showLegend	whether the plot's legend should be visible.
legendPos	where to position the legend relative to the plot.
unitLabel	label for the units of the y axis.

virtual void DtAssistantPlot::setBaseTime ( double baseTime )

virtual

virtual void DtAssistantPlot::setLockUpdates ( bool lock )

virtual

Sets whether updates.

virtual void DtAssistantPlot::setSeriesEnabled	(	unsigned	seriesId,
		bool	enabled
	)

virtual

virtual void DtAssistantPlot::setSeriesEnabled	(	QwtPlotItem *	item,
		bool	enabled
	)

virtual

virtual void DtAssistantPlot::setShowTimeLabels ( bool show )

virtual

Sets whether the X-Axis time labels are visible.

virtual void DtAssistantPlot::updateAxisScaling ( )

virtual

Updates the y axis scaling to show the most recent n seconds Updates the y axis scaling so the most recently plotted value is visible and only myNumSecondsVisible seconds are visible (earlier plotted values will be hidden).

virtual void DtAssistantPlot::updateAxisScalingIfNeeded ( )

virtual

Updates the y axis scaling to show the most recent n seconds Does not rescale if maximum value can still be displayed on the graph.

virtual void DtAssistantPlot::updateSeries	(	unsigned	seriesId,
		double	t,
		double	val
	)

virtual

Updates the given series with the given values Updates the series with the given values, updates the plot's scaling, and performs a replot.

Does nothing if the series ID is invalid.

Parameters

seriesId	the id of the series to update
t	the time (x) value to update with
val	the value (y) value to update with

Member Data Documentation

bool DtAssistantPlot::myDirtyMaxValFlag

protected

bool DtAssistantPlot::myDirtyMinValFlag

protected

bool DtAssistantPlot::myDirtyPlotFlag

protected

LegendPosition DtAssistantPlot::myLegendPosition

protected

bool DtAssistantPlot::myLockUpdatesFlag

protected

float DtAssistantPlot::myMaxVal

protected

SeriesMaxValMap DtAssistantPlot::myMaxVals

protected

float DtAssistantPlot::myMinVal

protected

SeriesMinValMap DtAssistantPlot::myMinVals

protected

SeriesMap DtAssistantPlot::mySeries

protected

const float DtAssistantPlot::theIntervalFactor

staticprotected

Constants used in scaling y axis.

const float DtAssistantPlot::theScaleFactor

staticprotected

Constants used in scaling y axis.

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

assistantPlot.h

Classes

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation