FunctionCurve Class Reference

#include <FunctionCurve.h>

Inheritance diagram for FunctionCurve:

Public Types
enum	FunctionType { Normal = 0, Parametric = 1, Polar = 2 }

Public Member Functions
QMap< QString, double >	constants ()
void	copy (FunctionCurve *f)
double	endRange ()
QStringList	formulas ()
	FunctionCurve (const FunctionType &t, const QString &name=QString())
	FunctionCurve (const QString &name=QString())
FunctionType	functionType ()
QString	legend ()
	Returns a string that can be displayed in a plot legend. More...
bool	loadData (int points=0, bool xLog10Scale=false)
QString	parameterName (int index)
	Returns the name of the parameter of rang index. More...
int	parametersCount ()
	Returns the number of parameters in your function formula. More...
double	parameterValue (int index)
	Returns the value of the parameter of rang index. More...
double	parameterValue (const QString &name)
	Returns the value of the name parameter. More...
void	removeConstant (const QString &parName)
void	removeConstants ()
QString	saveToString ()
	Returns a string used when saving to a project file. More...
void	setConstant (const QString &parName, double val)
void	setConstants (const QMap< QString, double > &map)
void	setFormula (const QString &s)
	Provided for convenience when dealing with normal functions. More...
void	setFormulas (const QStringList &lst)
void	setFunctionType (const FunctionType &t)
void	setRange (double from, double to)
void	setVariable (const QString &s)
double	startRange ()
QString	variable ()
Public Member Functions inherited from PlotCurve
void	enableSideLines (bool on)
	PlotCurve (const QString &name=QString())
int	plotStyle ()
	The plot style of the curve. More...
void	restoreCurveLayout (const QStringList &lst)
QString	saveCurveLayout ()
QString	saveCurveSymbolImage ()
void	setPlotStyle (int s)
void	setSkipSymbolsCount (int count)
	Set the number of symbols not to be drawn: usefull for large data sets. More...
void	setType (int t)
void	setXOffset (double dx)
void	setYOffset (double dy)
bool	sideLinesEnabled ()
int	skipSymbolsCount ()
	Returns the number of symbols not to be drawn. More...
int	type ()
	Sort of rtti() More...
double	xOffset ()
double	yOffset ()

Static Public Member Functions
static void	restore (Graph *g, const QStringList &lst)
	Used when reading from a project file. More...

Private Attributes
QMap< QString, double >	d_constants
QStringList	d_formulas
double	d_from
FunctionType	d_function_type
double	d_to
QString	d_variable

Additional Inherited Members
Protected Member Functions inherited from PlotCurve
QwtDoubleRect	boundingRect () const
virtual void	drawCurve (QPainter *p, int style, const QwtScaleMap &xMap, const QwtScaleMap &yMap, int from, int to) const
void	drawSideLines (QPainter *p, const QwtScaleMap &xMap, const QwtScaleMap &yMap, int from, int to) const
void	drawSticks (QPainter *p, const QwtScaleMap &xMap, const QwtScaleMap &yMap, int from, int to) const
virtual void	drawSymbols (QPainter *p, const QwtSymbol &, const QwtScaleMap &xMap, const QwtScaleMap &yMap, int from, int to) const
	Draw symbols. More...
Protected Attributes inherited from PlotCurve
int	d_plot_style
bool	d_side_lines
int	d_skip_symbols
int	d_type
double	d_x_offset
double	d_y_offset

Member Enumeration Documentation

enum FunctionCurve::FunctionType

Enumerator
Normal
Parametric
Polar

Constructor & Destructor Documentation

FunctionCurve::FunctionCurve	(	const FunctionType &	t,
		const QString &	name = QString()
	)

References Graph::Function, Graph::Line, PlotCurve::setPlotStyle(), and PlotCurve::setType().

Referenced by restore().

FunctionCurve::FunctionCurve

(

const QString &

name = QString()

)

References d_formulas, Graph::Function, Graph::Line, PlotCurve::setPlotStyle(), and PlotCurve::setType().

Member Function Documentation

QMap<QString, double> FunctionCurve::constants ( )

inline

References d_constants.

Referenced by copy(), Graph::modifyFunctionCurve(), restore(), FunctionDialog::setCurveToModify(), and FitDialog::updatePreview().

void FunctionCurve::copy

(

FunctionCurve *

f

)

References constants(), d_constants, d_formulas, d_from, d_function_type, d_to, d_variable, endRange(), formulas(), functionType(), startRange(), and variable().

double FunctionCurve::endRange ( )

inline

References d_to.

Referenced by copy(), Graph::modifyFunctionCurve(), FunctionDialog::setCurveToModify(), and FitDialog::updatePreview().

QStringList FunctionCurve::formulas ( )

inline

References d_formulas.

Referenced by copy(), Graph::modifyFunctionCurve(), restore(), TranslateCurveTool::selectDestination(), FunctionDialog::setCurveToModify(), and FitDialog::updatePreview().

FunctionType FunctionCurve::functionType ( )

inline

References d_function_type.

Referenced by copy(), Graph::modifyFunctionCurve(), TranslateCurveTool::selectDestination(), and FunctionDialog::setCurveToModify().

QString FunctionCurve::legend

(

)

Returns a string that can be displayed in a plot legend.

References d_formulas, d_function_type, d_variable, Normal, Parametric, and Polar.

Referenced by Graph::modifyFunctionCurve().

bool FunctionCurve::loadData	(	int	points = 0,
		bool	xLog10Scale = false
	)

References d_constants, d_formulas, d_from, d_function_type, d_to, d_variable, MyParser::EvalRemoveSingularity(), ScaleTransformation::Log10, Normal, Parametric, Polar, and ScaleEngine::type().

Referenced by Graph::addFunction(), NonLinearFit::insertFitFunctionCurve(), Fit::insertFitFunctionCurve(), MultiPeakFit::insertPeakFunctionCurve(), Graph::modifyFunctionCurve(), restore(), TranslateCurveTool::selectDestination(), FunctionDialog::setConstants(), AxesDialog::updateMinorTicksList(), and FitDialog::updatePreview().

QString FunctionCurve::parameterName

(

int

index

)

Returns the name of the parameter of rang index.

References d_constants.

int FunctionCurve::parametersCount ( )

inline

Returns the number of parameters in your function formula.

References d_constants.

double FunctionCurve::parameterValue

(

int

index

)

Returns the value of the parameter of rang index.

References d_constants.

double FunctionCurve::parameterValue

(

const QString &

name

)

Returns the value of the name parameter.

References d_constants.

void FunctionCurve::removeConstant ( const QString &  parName )

inline

References d_constants.

void FunctionCurve::removeConstants ( )

inline

References d_constants.

Referenced by FitDialog::updatePreview().

void FunctionCurve::restore ( Graph *  g, const QStringList &  lst  )

static

Used when reading from a project file.

References constants(), Graph::curveIndex(), formulas(), FunctionCurve(), Graph::insertCurve(), loadData(), PlotCurve::restoreCurveLayout(), setConstants(), Graph::setCurveStyle(), setFormulas(), PlotCurve::setPlotStyle(), setRange(), setVariable(), PlotCurve::type(), and Graph::updatePlot().

Referenced by ApplicationWindow::openGraph().

QString FunctionCurve::saveToString

(

)

Returns a string used when saving to a project file.

References d_constants, d_formulas, d_from, d_function_type, d_to, d_variable, ScaleTransformation::Log10, PlotCurve::saveCurveLayout(), PlotCurve::saveCurveSymbolImage(), and ScaleEngine::type().

void FunctionCurve::setConstant ( const QString &  parName, double  val  )

inline

References d_constants.

Referenced by NonLinearFit::insertFitFunctionCurve(), Fit::insertFitFunctionCurve(), MultiPeakFit::insertPeakFunctionCurve(), and FitDialog::updatePreview().

void FunctionCurve::setConstants ( const QMap< QString, double > &  map )

inline

References d_constants.

Referenced by Graph::modifyFunctionCurve(), restore(), and FunctionDialog::setConstants().

void FunctionCurve::setFormula ( const QString &  s )

inline

Provided for convenience when dealing with normal functions.

References d_formulas.

Referenced by Fit::insertFitFunctionCurve(), MultiPeakFit::insertPeakFunctionCurve(), TranslateCurveTool::selectDestination(), and FitDialog::updatePreview().

void FunctionCurve::setFormulas ( const QStringList &  lst )

inline

References d_formulas.

Referenced by Graph::addFunction(), Graph::modifyFunctionCurve(), and restore().

void FunctionCurve::setFunctionType ( const FunctionType &  t )

inline

References d_function_type.

Referenced by Graph::modifyFunctionCurve().

void FunctionCurve::setRange	(	double	from,
		double	to
	)

References d_from, and d_to.

Referenced by Graph::addFunction(), Fit::insertFitFunctionCurve(), MultiPeakFit::insertPeakFunctionCurve(), Graph::modifyFunctionCurve(), restore(), and FitDialog::updatePreview().

void FunctionCurve::setVariable ( const QString &  s )

inline

References d_variable.

Referenced by Graph::addFunction(), Graph::modifyFunctionCurve(), and restore().

double FunctionCurve::startRange ( )

inline

References d_from.

Referenced by copy(), Graph::modifyFunctionCurve(), FunctionDialog::setCurveToModify(), and FitDialog::updatePreview().

QString FunctionCurve::variable ( )

inline

References d_variable.

Referenced by copy(), Graph::modifyFunctionCurve(), and FunctionDialog::setCurveToModify().

Member Data Documentation

QMap<QString, double> FunctionCurve::d_constants

private

Referenced by constants(), copy(), loadData(), parameterName(), parametersCount(), parameterValue(), removeConstant(), removeConstants(), saveToString(), setConstant(), and setConstants().

QStringList FunctionCurve::d_formulas

private

Referenced by copy(), formulas(), FunctionCurve(), legend(), loadData(), saveToString(), setFormula(), and setFormulas().

double FunctionCurve::d_from

private

Referenced by copy(), loadData(), saveToString(), setRange(), and startRange().

FunctionType FunctionCurve::d_function_type

private

Referenced by copy(), functionType(), legend(), loadData(), saveToString(), and setFunctionType().

double FunctionCurve::d_to

private

Referenced by copy(), endRange(), loadData(), saveToString(), and setRange().

QString FunctionCurve::d_variable

private

Referenced by copy(), legend(), loadData(), saveToString(), setVariable(), and variable().

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

• qtiplot/src/plot2D/FunctionCurve.h
• qtiplot/src/plot2D/FunctionCurve.cpp