Vector curve class. More...

#include <VectorCurve.h>

Inheritance diagram for VectorCurve:

Public Types
enum	Position { Tail, Middle, Head }
enum	VectorStyle { XYXY, XYAM }

Public Member Functions
QwtDoubleRect	boundingRect () const
QColor	color ()
void	copy (const VectorCurve *vc)
void	draw (QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, int from, int to) const
void	drawArrowHead (QPainter *p, int xs, int ys, int xe, int ye) const
void	drawVector (QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, int from, int to) const
void	fillArrowHead (bool fill)
bool	filledArrowHead ()
int	headAngle ()
int	headLength ()
virtual bool	loadData ()
QString	plotAssociation ()
	A list of data sources for this curve.
int	position ()
void	setColor (const QColor &c)
void	setHeadAngle (int a)
void	setHeadLength (int l)
void	setPosition (int pos)
void	setVectorEnd (const QString &xColName, const QString &yColName)
void	setVectorEnd (const QwtArray< double > &x, const QwtArray< double > &y)
void	setWidth (int w)
double	theta (int x0, int y0, int x1, int y1) const
void	updateColumnNames (const QString &oldName, const QString &newName, bool updateTableName)
bool	updateData (Table *t, const QString &colName)
	VectorCurve (VectorStyle style, Table t, const QString &xColName, const char name, const QString &endCol1, const QString &endCol2, int startRow, int endRow)
QString	vectorEndXAColName ()
QString	vectorEndYMColName ()
int	width ()
	~VectorCurve ()
Public Member Functions inherited from DataCurve
void	addErrorBars (DataCurve *c)
	Adds a single error bars curve to the list of attached error bars.
void	clearErrorBars ()
	Clears the list of attached error bars.
QList< QVector< double > >	convertData (const QList< Column * > &cols, const QList< int > &axes) const
	DataCurve (Table *t, const QString &xColName, const QString &name, int startRow=0, int endRow=-1)
int	endRow ()
QList< DataCurve * >	errorBarsList ()
	The list of attached error bars.
bool	hasSelectedLabels ()
bool	isFullRange ()
void	remove ()
void	removeErrorBars (DataCurve *c)
	Remove a single error bars curve from the list of attached error bars.
void	setFullRange ()
void	setLabelsSelected (bool on=true)
void	setRowRange (int startRow, int endRow)
void	setVisible (bool on)
void	setXColumnName (const QString &name)
void	setYColumnName (const QString &name)
int	startRow ()
Table *	table ()
int	tableRow (int point)
	Returns the row index in the data source table corresponding to the data point index.
QString	xColumnName ()
QString	yColumnName ()
Public Member Functions inherited from PlotCurve
	PlotCurve (const QString &name=QString::null)
void	setType (int t)
int	type () const

Protected Attributes
QString	d_end_x_a
QString	d_end_y_m
int	d_headAngle
int	d_headLength
int	d_position
bool	filledArrow
QPen	pen
QwtArrayData *	vectorEnd
Protected Attributes inherited from DataCurve
int	d_end_row
	Last row of #d_tabel to be plotted, provided all relevant columns have valid entries.
QList< DataCurve * >	d_error_bars
	List of the error bar curves associated to this curve.
int	d_start_row
	First row of #d_tabel to be plotted, provided all relevant columns have valid entries.
Table *	d_table
	The data source table.
QString	d_x_column
	The name of the column used for abscissae values.
Protected Attributes inherited from PlotCurve
int	d_type

Detailed Description

Vector curve class.

Member Enumeration Documentation

enum VectorCurve::Position

Enumerator:

Tail
Middle
Head

enum VectorCurve::VectorStyle

Enumerator:

XYXY
XYAM

Constructor & Destructor Documentation

VectorCurve::VectorCurve	(	VectorStyle	style,
		Table *	t,
		const QString &	xColName,
		const char *	name,
		const QString &	endCol1,
		const QString &	endCol2,
		int	startRow,
		int	endRow
	)

References d_end_x_a, d_end_y_m, d_headAngle, d_headLength, d_position, PlotCurve::d_type, filledArrow, pen, Tail, Graph::VectXYAM, Graph::VectXYXY, XYAM, and XYXY.

VectorCurve::~VectorCurve ( )

References vectorEnd.

Member Function Documentation

QwtDoubleRect VectorCurve::boundingRect ( ) const

Reimplemented from PlotCurve.

References DataCurve::d_end_row, d_position, DataCurve::d_start_row, PlotCurve::d_type, Head, Middle, Tail, vectorEnd, and Graph::VectXYXY.

QColor VectorCurve::color ( )

References pen.

Referenced by Legend::drawVector(), Graph::saveCurveLayout(), and PlotDialog::setActiveCurve().

void VectorCurve::copy ( const VectorCurve * vc )

References d_headAngle, d_headLength, d_position, PlotCurve::d_type, filledArrow, pen, PlotCurve::type(), and vectorEnd.

Referenced by Graph::copy().

void VectorCurve::draw	(	QPainter *	painter,
		const QwtScaleMap &	xMap,
		const QwtScaleMap &	yMap,
		int	from,
		int	to
	)		const

References drawVector(), and pen.

void VectorCurve::drawArrowHead	(	QPainter *	p,
		int	xs,
		int	ys,
		int	xe,
		int	ye
	)		const

References d_headAngle, d_headLength, filledArrow, pen, and theta().

Referenced by drawVector().

void VectorCurve::drawVector	(	QPainter *	painter,
		const QwtScaleMap &	xMap,
		const QwtScaleMap &	yMap,
		int	from,
		int	to
	)		const

References d_position, PlotCurve::d_type, drawArrowHead(), Head, Middle, Tail, vectorEnd, and Graph::VectXYAM.

Referenced by draw().

void VectorCurve::fillArrowHead ( bool fill )

References filledArrow.

Referenced by Graph::updateVectorsLayout().

bool VectorCurve::filledArrowHead ( )

inline

References filledArrow.

Referenced by Legend::drawVector(), Graph::saveCurveLayout(), and PlotDialog::setActiveCurve().

int VectorCurve::headAngle ( )

inline

References d_headAngle.

Referenced by Legend::drawVector(), Graph::saveCurveLayout(), and PlotDialog::setActiveCurve().

int VectorCurve::headLength ( )

inline

References d_headLength.

Referenced by Legend::drawVector(), Graph::saveCurveLayout(), and PlotDialog::setActiveCurve().

bool VectorCurve::loadData ( )

virtual

Reimplemented from DataCurve.

References Table::colIndex(), DataCurve::d_end_row, d_end_x_a, d_end_y_m, DataCurve::d_error_bars, DataCurve::d_start_row, DataCurve::d_table, DataCurve::d_x_column, setVectorEnd(), and Table::text().

Referenced by AssociationsDialog::changePlotAssociation(), Graph::plotVectorCurve(), setVectorEnd(), and updateData().

QString VectorCurve::plotAssociation ( )

virtual

A list of data sources for this curve.

Elements must be in either of the following forms:

<id of X column> "(X)," <id of Y column> "(Y)" [ "," <id of error column> ("(xErr)" | "(yErr)") ]
<id of Xstart column> "(X)," <id of Ystart column>"(Y)," <id of Xend column> "(X)," <id of Yend column> "(Y)"
(denoting start and end coordinates for the #VectXYXY style)
<id of Xstart column> "(X)," <id of Ystart column> "(Y)," <id of angle column> "(A)," <id of magnitude column> "(M)"
(denoting start coordinates, angle in radians and length for the #VectXYAM style)

Column ids are of the form '<name of table> "_" <name of column>'.

Reimplemented from DataCurve.

References d_end_x_a, d_end_y_m, PlotCurve::d_type, DataCurve::d_x_column, and Graph::VectXYAM.

Referenced by Graph::saveCurveLayout().

int VectorCurve::position ( )

inline

References d_position.

Referenced by Graph::saveCurveLayout(), and PlotDialog::setActiveCurve().

void VectorCurve::setColor ( const QColor & c )

References pen.

Referenced by Graph::updateVectorsLayout().

void VectorCurve::setHeadAngle ( int a )