Fun3DItem Class Reference

3D function item class. More...

#include <fun3ditem.h>

Inheritance diagram for Fun3DItem:

Public Types
enum	{ Type = UserType + Function3D }
	Specific QGraphicsItem type number for function type() More...
Public Types inherited from ThreeDItem
enum	Mode3D { AlongX, AlongZ, Grid }
	3D mode. More...
Public Types inherited from FrameItem
enum	GridMode {   FrameOnly, Axes, AxesWithLabels, Grid,   GridWithLabels }
	Grid mode. More...
enum	{ Type = UserType + Frame }
	Specific QGraphicsItem type number for function type() More...
Public Types inherited from KplItem
enum	FillStyle {   NoBrush, SolidPattern, HorPattern, VerPattern,   CrossPattern, BDiagPattern, FDiagPattern, DiagCrossPattern }
	Fill styles. More...
enum	ItemType {   Frame = 1, Array, Function, ParFunction,   Spline, Array3D, Function3D, Legend,   Text, Line, Arrow, Arc,   Rectangle, Ellipse, Image, ScaleBar }
	Item types. More...
enum	PenType { FramePen, GridPen, DataPen }
	Pen types. More...
enum	Symbol {   Invisible = -17, FilledOctagon, FilledHourglass, FilledTriangle,   FilledSquare, FilledDiamond, FilledCircle, Umbrella,   Ypsilon, Plus, Cross, OpenOctagon,   OpenHourglass, OpenTriangle, OpenSquare, OpenDiamond,   Dot, OpenCircle, SolidLine, DashLine1,   DashLine2, DotLine1, DashLine3, DashDotLine,   DashLine4, DashLine5, DotLine2 }
	Symbol types. More...

Public Member Functions
	Fun3DItem (double x0=4, double y0=3, double width=15, double height=10, unsigned colorFrame=0, unsigned colorGrid=0, unsigned colorData=0, bool logX=false, bool logY=false, bool logZ=false, GridMode gridMode=AxesWithLabels, Mode3D mode3D=Grid, double xMax=15, double yMax=10, double zMax=15, const QString &textX="", const QString &textY="", const QString &textZ="", const QString &header="", double relSize=1, int numDigX=-1, int numDigY=-1, int numDigZ=-1, int minTicX=5, int minTicY=2, int minTicZ=5, int expX=0, int expY=0, int expZ=0, double xMin=0, double yMin=0, double zMin=0, double xTic=5, double yTic=2, double zTic=5, double deltaX=0, double deltaZ=0, double phi=20, double theta=-20, double bx=7.5, double by=7.5, double bz=7.5, double xr=7.5, double yr=4, double fx=1, double fy=1, double fz=1, const QString &name="", const KUrl &url=KUrl(), bool showFrame=true, bool collapsed=false, bool visible=true)
	Constructor. More...
	Fun3DItem (const Fun3DItem &f)
	Copy constructor. More...
	Fun3DItem (const KConfigGroup *plo, const KUrl &urlPlo, double x0=4, double y0=3, double width=15, double height=10, unsigned colorFrame=0, unsigned colorGrid=0, unsigned colorData=0, GridMode gridMode=AxesWithLabels)
	Constructor. More...
	~Fun3DItem ()
	Destructor. More...
int	calcTable () const
	Calculates function value table. More...
void	exportTable (QTextStream &stream, char separator, char format, int precision) const
	Exports function value table to file. More...
const QLibrary *	libY () const
	Returns pointer to library for y function. More...
QString	nameY () const
	Returns y function name. More...
virtual void	paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget=0)
	Paints item. More...
double *	parY ()
	Returns y function parameter array pointer. More...
bool	setFuncY (const KUrl &url, const QString &name)
	Resolves y function address. More...
void	setPar (int i, double value)
	Sets parameter. More...
virtual int	type () const
	Returns specific QGraphicsItem type number. More...
void	update ()
	Applies changes and forces redrawing. More...
const KUrl &	urlY () const
	Returns URL of y function library. More...
void	writePlo (KConfigGroup *plo, const KUrl &urlPlo, bool absolute, char format, int precision) const
	Writes into plot file. More...
Public Member Functions inherited from ThreeDItem
	ThreeDItem (double x0=4, double y0=3, double width=15, double height=10, unsigned colFrame=0, unsigned colGrid=0, unsigned colData=0, bool logX=false, bool logY=false, bool logZ=false, GridMode gridMode=AxesWithLabels, Mode3D mode3D=Grid, double xMax=15, double yMax=10, double zMax=15, const QString &textX="", const QString &textY="", const QString &textZ="", const QString &header="", double relSize=1, int numDigX=-1, int numDigY=-1, int numDigZ=-1, int minTicX=5, int minTicY=2, int minTicZ=5, int expX=0, int expY=0, int expZ=0, double xMin=0, double yMin=0, double zMin=0, double xTic=5, double yTic=2, double zTic=5, double deltaX=0, double deltaZ=0, double phi=20, double theta=-20, double boxX=7.5, double boxY=7.5, double boxZ=7.5, double xRef=7.5, double yRef=4, double fx=1, double fy=1, double fz=1, bool showFrame=true, bool collapsed=false, bool visible=true)
	Constructor. More...
	ThreeDItem (const ThreeDItem &a)
	Copy constructor. More...
	ThreeDItem (const KConfigGroup *plo, double x0, double y0, double width, double height, unsigned colorFrame, unsigned colorGrid, unsigned colorData, GridMode gridMode)
	Constructor. More...
	~ThreeDItem ()
	Destructor. More...
virtual QRectF	boundingRect () const
	Calculates bounding rectangle. More...
double	boxX () const
	Returns x box width in cm. More...
double	boxY () const
	Returns y box width in cm. More...
double	boxZ () const
	Returns z box width in cm. More...
unsigned	colorData () const
	Returns color for data. More...
double	deltaX () const
	Returns x step size of grid. More...
double	deltaZ () const
	Returns z step size of grid. More...
void	exportTable (QTextStream &stream, char separator, char format, int precision) const
	Exports value table to file. More...
int	expZ () const
	Returns logarithm of normalization factor for z axis. More...
double	fX () const
	Returns normalization factor for x values. More...
double	fY () const
	Returns normalization factor for y values. More...
double	fZ () const
	Returns normalization factor for z values. More...
bool	logZ () const
	Returns true for logarithmic z axis. More...
int	minTicZ () const
	Returns number of intervals between major tics of z axis. More...
Mode3D	mode3D () const
	Returns 0 for lines parallel to x, 1 for lines parallel to z, 2 for x,z grid.
int	numDigZ () const
	Returns number of digits for z axis. More...
void	paintCond (QPainter *painter, PSGraph *ps=0) const
	Paints or calculates bounding area. More...
double	phi () const
	Returns angle of rotation about y axis in deg. More...
void	setBoxX (double width)
	Sets x box width in cm. More...
void	setBoxY (double width)
	Sets y box width in cm. More...
void	setBoxZ (double width)
	Sets z box width in cm. More...
void	setColorData (unsigned color)
	Sets color for data. More...
void	setDeltaX (double dx)
	Sets x step size of grid. More...
void	setDeltaZ (double dz)
	Sets z step size of grid. More...
void	setExpZ (int e)
	Sets exponent of z normalization factor. More...
void	setFX (double fx)
	Sets x normalization factor. More...
void	setFY (double fy)
	Sets y normalization factor. More...
void	setFZ (double fz)
	Sets z normalization factor. More...
void	setLogZ (bool logZ)
	Sets logarithmic mode of z axis. More...
void	setMinTicZ (int minTicZ)
	Sets number of intervals between major tics of z axis. More...
void	setMode3D (Mode3D mode3D)
	Sets 3D mode. More...
void	setNumDigZ (int numDigZ)
	Sets number of digits for z axis. More...
void	setPhi (double phi)
	Sets angle of rotation about y axis. More...
void	setProperties (const QTransform &m)
	Sets properties according to transformation matrix. More...
void	setShowFrame (bool showFrame)
	Sets frame mode. More...
void	setTextZ (const QString &text)
	Sets z axis text. More...
void	setTheta (double theta)
	Sets angle of rotation about y axis. More...
void	setXRef (double xRef)
	Sets x position of center of box bottom plane. More...
void	setYRef (double yRef)
	Sets y position of center of box bottom plane. More...
void	setZMax (double zMax)
	Sets upper z data limit. More...
void	setZMin (double zMin)
	Sets lower z data limit. More...
void	setZTic (double zTic)
	Sets z tic distance. More...
bool	showFrame () const
	Returns true for shown frame. More...
QString	textZ () const
	Returns z axis text. More...
double	theta () const
	Returns angle of rotation about y axis in deg. More...
void	update ()
	Applies changes and forces redrawing. More...
void	writePlo (KConfigGroup *plo) const
	Writes into plot file. More...
double	xRef () const
	Returns x position of center of box bottom plane. More...
double	yRef () const
	Returns y position of center of box bottom plane. More...
double **	yValues () const
	Returns pointer to y value array. More...
double	zMax () const
	Returns upper z data limit user units. More...
double	zMin () const
	Returns lower z data limit user units. More...
double	zTic () const
	Returns distance between major tics of z axis. More...
Public Member Functions inherited from FrameItem
	FrameItem (double x0=4, double y0=3, double width=15, double height=10, unsigned colorFrame=0, unsigned colorGrid=0, bool logX=false, bool logY=false, GridMode gridMode=AxesWithLabels, double xMax=15, double yMax=10, const QString &textX="", const QString &textY="", const QString &header="", double relSize=1, int numDigX=-1, int numDigY=-1, int minTicX=5, int minTicY=2, int expX=0, int expY=0, double xMin=0, double yMin=0, double xTic=5, double yTic=2, bool collapsed=false, bool visible=true, double xOffset=0, double yOffset=0, bool xBottom=true, bool xTop=false, bool yLeft=true, bool yRight=false)
	Constructor. More...
	FrameItem (const FrameItem &a)
	Copy constructor. More...
	FrameItem (const KConfigGroup *plo, double x0=4, double y0=3, double width=15, double height=10, unsigned colorFrame=0, unsigned colorGrid=0, GridMode gridMode=AxesWithLabels)
	Constructor. More...
virtual	~FrameItem ()
	Destructor. More...
void	autoScale (double xmi, double xma, double fx, double ymi, double yma, double fy)
	Calculates and sets the scaling parameters. More...
void	autoScale (bool autoNorm=true)
	Calculates and sets the scaling parameters. More...
bool	calcAutoScale (bool autoNorm, const QList< QGraphicsItem * > &items, double &fx, double &fy)
	Calculates scaling parameters for a frame item and all its child items. More...
QRectF	clipRect () const
	Returns clipping rectangle. More...
unsigned	colorFrame () const
	Returns color for frame and labels. More...
unsigned	colorGrid () const
	Returns color for grids and tics. More...
int	expX () const
	Returns logarithm of normalization factor for x axis. More...
int	expY () const
	Returns logarithm of normalization factor for y axis. More...
GridMode	gridMode () const
	Returns grid mode. More...
QString	header () const
	Returns heading text. More...
double	height () const
	Returns height in cm. More...
bool	collapsed () const
	Returns collapse state for list view. More...
bool	logX () const
	Returns true for logarithmic x axis. More...
bool	logY () const
	Returns true for logarithmic y axis. More...
QPointF	mapFromUser (const QPointF &p) const
	Maps from user to pixel coordinates. More...
QPointF	mapToUser (const QPointF &p) const
	Maps from pixel to user coordinates. More...
QRectF	mapToUser (const QRectF &rect) const
	Maps from pixel to user coordinates. More...
int	minTicX () const
	Returns number of intervals between major tics of x axis. More...
int	minTicY () const
	Returns number of intervals between major tics of y axis. More...
double	normX () const
	Returns normalization factor for x values. More...
double	normY () const
	Returns normalization factor for y values. More...
int	numDigX () const
	Returns number of digits for x axis. More...
int	numDigY () const
	Returns number of digits for y axis. More...
QPointF	rectPos () const
	Returns position in cm units. More...
void	setColorFrame (unsigned color)
	Sets color for frame and labels. More...
void	setColorGrid (unsigned color)
	Sets color for grids and tics. More...
void	setExpX (int expX)
	Sets exponent of x normalization factor. More...
void	setExpY (int expY)
	Sets exponent of y normalization factor. More...
void	setGridMode (GridMode gridMode)
	Sets grid mode. More...
void	setHeight (double height)
	Sets height. More...
void	setLogX (bool logX)
	Sets logarithmic mode of x axis. More...
void	setLogY (bool logY)
	Sets logarithmic mode of y axis. More...
void	setMinTicX (int minTicX)
	Sets number of intervals between major tics of x axis. More...
void	setMinTicY (int minTicY)
	Sets number of intervals between major tics of y axis. More...
void	setNumDigX (int numDigX)
	Sets number of digits for x axis. More...
void	setNumDigY (int numDigY)
	Sets number of digits for y axis. More...
void	setProperties (const QTransform &m)
	Sets properties according to transformation matrix. More...
void	setHeader (const QString &text)
	Sets heading text. More...
void	setTextX (const QString &text)
	Sets x axis text. More...
void	setTextY (const QString &text)
	Sets y axis text. More...
void	setWidth (double width)
	Sets width. More...
void	setX0 (double x0)
	Sets left page margin. More...
void	setXBottom (bool xBottom)
	Sets bottom side label mode. More...
void	setXMax (double xMax)
	Sets upper x data limit. More...
void	setXMin (double xMin)
	Sets lower x data limit. More...
void	setXOffset (double xOffset)
	Sets x offset. More...
void	setXTic (double xTic)
	Sets x tick distance. More...
void	setXTop (bool xTop)
	Sets top side label mode. More...
void	setY0 (double y0)
	Sets bottom page margin. More...
void	setYLeft (bool yLeft)
	Sets left side label mode. More...
void	setYMax (double yMax)
	Sets upper y data limit. More...
void	setYMin (double yMin)
	Sets lower y data limit. More...
void	setYOffset (double yOffset)
	Sets y offset. More...
void	setYRight (bool yRight)
	Sets right side label mode. More...
void	setYTic (double yTic)
	Sets y tick distance. More...
QPointF	steps () const
	Returns user units steps for one pixel steps. More...
QString	textX () const
	Returns x axis text. More...
QString	textY () const
	Returns y axis text. More...
void	toggleCollapsed ()
	Toggles collapse state. More...
void	update ()
	Applies changes and forces redrawing. More...
void	updatePos (QPointF p)
	Sets position. More...
bool	valid (double x, double y) const
	Checks coordinates for validity. More...
double	width () const
	Returns width in cm. More...
void	writePlo (KConfigGroup *plo) const
	Writes into plot file. More...
double	x0 () const
	Returns left page margin in cm. More...
bool	xBottom () const
	Returns true for x axis labels on bottom side. More...
double	xMax () const
	Returns x value of right data window margin in user units. More...
double	xMin () const
	Returns x value of left data window margin in user units. More...
double	xOffset () const
	Returns offset for first major x tick. More...
double	xTic () const
	Returns distance between major tics of x axis. More...
bool	xTop () const
	Returns true for x axis labels on top side. More...
double	y0 () const
bool	yLeft () const
	Returns true for y axis labels on left side. More...
bool	yRight () const
	Returns true for y axis labels on right side. More...
double	yMax () const
	Returns y value of upper data window margin in user units. More...
double	yMin () const
	Returns y value of lower data window margin in user units. More...
double	yOffset () const
	Returns offset for first major y tick. More...
double	yTic () const
	Returns distance between major tics of y axis. More...
Public Member Functions inherited from KplItem
	KplItem (double relSize=1)
	Constructor. More...
	KplItem (const KplItem &a)
	Copy constructor. More...
	KplItem (const KConfigGroup *plo)
	Constructor. More...
virtual	~KplItem ()
	Destructor. More...
void	readPlo (const KConfigGroup *plo)
	Initializes corresponding to plot file. More...
double	relSize () const
	Returns relative size of item. More...
void	setRelSize (double relSize)
	Sets relative size of item. More...
void	writePlo (KConfigGroup *plo, bool visible=true) const
	Writes into plot file. More...
Public Member Functions inherited from QGraphicsRectItem
	QGraphicsRectItem (QGraphicsItem *parent)
	QGraphicsRectItem (const QRectF &rect, QGraphicsItem *parent)
	QGraphicsRectItem (qreal x, qreal y, qreal width, qreal height, QGraphicsItem *parent)
QRectF	rect () const
void	setRect (const QRectF &rectangle)
void	setRect (qreal x, qreal y, qreal width, qreal height)
virtual QPainterPath	shape () const
virtual bool	contains (const QPointF &point) const
virtual bool	isObscuredBy (const QGraphicsItem *item) const
virtual QPainterPath	opaqueArea () const
Public Member Functions inherited from QAbstractGraphicsShapeItem
	QAbstractGraphicsShapeItem (QGraphicsItem *parent)
QPen	pen () const
void	setPen (const QPen &pen)
QBrush	brush () const
void	setBrush (const QBrush &brush)
Public Member Functions inherited from QGraphicsItem
	QGraphicsItem (QGraphicsItem *parent)
QGraphicsScene *	scene () const
QGraphicsItem *	parentItem () const
QGraphicsItem *	topLevelItem () const
QGraphicsObject *	parentObject () const
QGraphicsWidget *	parentWidget () const
QGraphicsWidget *	topLevelWidget () const
QGraphicsWidget *	window () const
QGraphicsItem *	panel () const
void	setParentItem (QGraphicsItem *newParent)
QList< QGraphicsItem * >	children () const
QList< QGraphicsItem * >	childItems () const
bool	isWidget () const
bool	isWindow () const
bool	isPanel () const
QGraphicsObject *	toGraphicsObject ()
const QGraphicsObject *	toGraphicsObject () const
QGraphicsItemGroup *	group () const
void	setGroup (QGraphicsItemGroup *group)
GraphicsItemFlags	flags () const
void	setFlag (GraphicsItemFlag flag, bool enabled)
void	setFlags (QFlags< QGraphicsItem::GraphicsItemFlag > flags)
CacheMode	cacheMode () const
void	setCacheMode (CacheMode mode, const QSize &logicalCacheSize)
PanelModality	panelModality () const
void	setPanelModality (PanelModality panelModality)
bool	isBlockedByModalPanel (QGraphicsItem **blockingPanel) const
QString	toolTip () const
void	setToolTip (const QString &toolTip)
QCursor	cursor () const
void	setCursor (const QCursor &cursor)
bool	hasCursor () const
void	unsetCursor ()
bool	isVisible () const
bool	isVisibleTo (const QGraphicsItem *parent) const
void	setVisible (bool visible)
void	hide ()
void	show ()
bool	isEnabled () const
void	setEnabled (bool enabled)
bool	isSelected () const
void	setSelected (bool selected)
bool	acceptDrops () const
void	setAcceptDrops (bool on)
qreal	opacity () const
qreal	effectiveOpacity () const
void	setOpacity (qreal opacity)
QGraphicsEffect *	graphicsEffect () const
void	setGraphicsEffect (QGraphicsEffect *effect)
Qt::MouseButtons	acceptedMouseButtons () const
void	setAcceptedMouseButtons (QFlags< Qt::MouseButton > buttons)
bool	acceptsHoverEvents () const
void	setAcceptsHoverEvents (bool enabled)
bool	acceptHoverEvents () const
void	setAcceptHoverEvents (bool enabled)
bool	acceptTouchEvents () const
void	setAcceptTouchEvents (bool enabled)
bool	filtersChildEvents () const
void	setFiltersChildEvents (bool enabled)
bool	handlesChildEvents () const
void	setHandlesChildEvents (bool enabled)
bool	isActive () const
void	setActive (bool active)
bool	hasFocus () const
void	setFocus (Qt::FocusReason focusReason)
void	clearFocus ()
QGraphicsItem *	focusProxy () const
void	setFocusProxy (QGraphicsItem *item)
QGraphicsItem *	focusItem () const
void	grabMouse ()
void	ungrabMouse ()
void	grabKeyboard ()
void	ungrabKeyboard ()
QPointF	pos () const
qreal	x () const
void	setX (qreal x)
qreal	y () const
void	setY (qreal y)
QPointF	scenePos () const
void	setPos (const QPointF &pos)
void	setPos (qreal x, qreal y)
void	moveBy (qreal dx, qreal dy)
void	ensureVisible (const QRectF &rect, int xmargin, int ymargin)
void	ensureVisible (qreal x, qreal y, qreal w, qreal h, int xmargin, int ymargin)
QMatrix	matrix () const
QMatrix	sceneMatrix () const
void	setMatrix (const QMatrix &matrix, bool combine)
void	resetMatrix ()
QTransform	transform () const
QTransform	sceneTransform () const
QTransform	deviceTransform (const QTransform &viewportTransform) const
QTransform	itemTransform (const QGraphicsItem *other, bool *ok) const
void	setTransform (const QTransform &matrix, bool combine)
void	resetTransform ()
void	rotate (qreal angle)
void	scale (qreal sx, qreal sy)
void	shear (qreal sh, qreal sv)
void	translate (qreal dx, qreal dy)
void	setRotation (qreal angle)
qreal	rotation () const
void	setScale (qreal factor)
qreal	scale () const
QList< QGraphicsTransform * >	transformations () const
void	setTransformations (const QList< QGraphicsTransform * > &transformations)
QPointF	transformOriginPoint () const
void	setTransformOriginPoint (const QPointF &origin)
void	setTransformOriginPoint (qreal x, qreal y)
virtual void	advance (int phase)
qreal	zValue () const
void	setZValue (qreal z)
void	stackBefore (const QGraphicsItem *sibling)
virtual QRectF	boundingRect () const =0
QRectF	childrenBoundingRect () const
QRectF	sceneBoundingRect () const
bool	isClipped () const
QPainterPath	clipPath () const
virtual bool	collidesWithItem (const QGraphicsItem *other, Qt::ItemSelectionMode mode) const
virtual bool	collidesWithPath (const QPainterPath &path, Qt::ItemSelectionMode mode) const
QList< QGraphicsItem * >	collidingItems (Qt::ItemSelectionMode mode) const
bool	isObscured () const
bool	isObscured (const QRectF &rect) const
bool	isObscured (qreal x, qreal y, qreal w, qreal h) const
QRegion	boundingRegion (const QTransform &itemToDeviceTransform) const
qreal	boundingRegionGranularity () const
void	setBoundingRegionGranularity (qreal granularity)
virtual void	paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)=0
void	update (const QRectF &rect)
void	update (qreal x, qreal y, qreal width, qreal height)
void	scroll (qreal dx, qreal dy, const QRectF &rect)
QPointF	mapToItem (const QGraphicsItem *item, const QPointF &point) const
QPointF	mapToParent (const QPointF &point) const
QPointF	mapToScene (const QPointF &point) const
QPolygonF	mapToItem (const QGraphicsItem *item, const QRectF &rect) const
QPolygonF	mapToParent (const QRectF &rect) const
QPolygonF	mapToScene (const QRectF &rect) const
QRectF	mapRectToItem (const QGraphicsItem *item, const QRectF &rect) const
QRectF	mapRectToParent (const QRectF &rect) const
QRectF	mapRectToScene (const QRectF &rect) const
QPolygonF	mapToItem (const QGraphicsItem *item, const QPolygonF &polygon) const
QPolygonF	mapToParent (const QPolygonF &polygon) const
QPolygonF	mapToScene (const QPolygonF &polygon) const
QPainterPath	mapToItem (const QGraphicsItem *item, const QPainterPath &path) const
QPainterPath	mapToParent (const QPainterPath &path) const
QPainterPath	mapToScene (const QPainterPath &path) const
QPointF	mapFromItem (const QGraphicsItem *item, const QPointF &point) const
QPointF	mapFromParent (const QPointF &point) const
QPointF	mapFromScene (const QPointF &point) const
QPolygonF	mapFromItem (const QGraphicsItem *item, const QRectF &rect) const
QPolygonF	mapFromParent (const QRectF &rect) const
QPolygonF	mapFromScene (const QRectF &rect) const
QRectF	mapRectFromItem (const QGraphicsItem *item, const QRectF &rect) const
QRectF	mapRectFromParent (const QRectF &rect) const
QRectF	mapRectFromScene (const QRectF &rect) const
QPolygonF	mapFromItem (const QGraphicsItem *item, const QPolygonF &polygon) const
QPolygonF	mapFromParent (const QPolygonF &polygon) const
QPolygonF	mapFromScene (const QPolygonF &polygon) const
QPainterPath	mapFromItem (const QGraphicsItem *item, const QPainterPath &path) const
QPainterPath	mapFromParent (const QPainterPath &path) const
QPainterPath	mapFromScene (const QPainterPath &path) const
QPointF	mapToItem (const QGraphicsItem *item, qreal x, qreal y) const
QPointF	mapToParent (qreal x, qreal y) const
QPointF	mapToScene (qreal x, qreal y) const
QPolygonF	mapToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
QPolygonF	mapToParent (qreal x, qreal y, qreal w, qreal h) const
QPolygonF	mapToScene (qreal x, qreal y, qreal w, qreal h) const
QRectF	mapRectToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
QRectF	mapRectToParent (qreal x, qreal y, qreal w, qreal h) const
QRectF	mapRectToScene (qreal x, qreal y, qreal w, qreal h) const
QPointF	mapFromItem (const QGraphicsItem *item, qreal x, qreal y) const
QPointF	mapFromParent (qreal x, qreal y) const
QPointF	mapFromScene (qreal x, qreal y) const
QPolygonF	mapFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
QPolygonF	mapFromParent (qreal x, qreal y, qreal w, qreal h) const
QPolygonF	mapFromScene (qreal x, qreal y, qreal w, qreal h) const
QRectF	mapRectFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
QRectF	mapRectFromParent (qreal x, qreal y, qreal w, qreal h) const
QRectF	mapRectFromScene (qreal x, qreal y, qreal w, qreal h) const
bool	isAncestorOf (const QGraphicsItem *child) const
QGraphicsItem *	commonAncestorItem (const QGraphicsItem *other) const
bool	isUnderMouse () const
QVariant	data (int key) const
void	setData (int key, const QVariant &value)
Qt::InputMethodHints	inputMethodHints () const
void	setInputMethodHints (QFlags< Qt::InputMethodHint > hints)
void	installSceneEventFilter (QGraphicsItem *filterItem)
void	removeSceneEventFilter (QGraphicsItem *filterItem)

Public Attributes
double(*	funcY )(double, double, const double *)
Public Attributes inherited from QGraphicsItem
typedef	GraphicsItemFlags

Protected Member Functions
void	unload ()
	Unloads y function library. More...
Protected Member Functions inherited from ThreeDItem
void	axis3D (QPainter *painter, double vMin, double vMax, double tic, int minTic, double f, double scale, double xAxis, double zAxis, double ticLen, int numDig, Axis axis, bool log, PSGraph *ps=0) const
	Plots 3D axis. More...
void	drawText (QPainter *painter, const QString &text, double x, double y, TextItem::Alignment alignment, PSGraph *ps, double dir=0) const
	Plots text. More...
void	frame3D (QPainter *painter, int iBack, PSGraph *ps=0) const
	Plots 3D frame. More...
void	line3D (QPainter *painter, double x1, double y1, double z1, double x2, double y2, double z2, PSGraph *ps=0) const
	Draws line in 3D space. More...
void	plotArray3D (QPainter *painter, PSGraph *ps=0) const
	Plots 3D data. More...
void	plot3D (QPainter *painter, bool xArray, bool yArray, bool zArray, const double *xData, const double *yData, const double *zData, double xScale, double yScale, double zScale, bool firstLine, int n, double xOffset, double yOffset, double *vertex, PSGraph *ps=0) const
	Plots curve in 3D space. More...
void	plotArray (QPainter *painter, const double *x, const double *y, int n, PSGraph *ps=0) const
	Plots array. More...
void	raster3d (QPainter *painter, PSGraph *ps=0) const
	Draws frame and axes of 3D plot. More...
void	setProperties ()
	Sets properties according to transformation matrix. More...
double	xFrom3d (double x, double z) const
	Calculates 2D x value. More...
double	yFrom3d (double x, double y, double z) const
	Calculates 2D y value. More...
Protected Member Functions inherited from FrameItem
void	drawText (QPainter *painter, const QString &text, double x, double y, TextItem::Alignment alignment, double dir=0) const
	Plots text. More...
double	incLog (double &x, double f) const
	Increment logarithm for next major axis tick. More...
virtual void	mouseReleaseEvent (QGraphicsSceneMouseEvent *event)
	Updates position. More...
int	number (double v, int numDig, QString &label) const
	Prepares number label. More...
void	paintCond (QPainter *painter) const
	Paints or calculates bounding area. More...
void	setProperties ()
	Sets properties according to transformation matrix. More...
double	tick (double tic, bool log) const
	Calculates actual distance between major tics. More...
Protected Member Functions inherited from KplItem
QPen &	changePenWidth (QPen &pen, double width) const
	Changes pen width. More...
QPen	createPen (QGraphicsItem *item, unsigned color=0, PenType penType=DataPen, Symbol symbol=SolidLine) const
	Creates pen for plot item. More...
double	penWidth (const QGraphicsItem *item, PenType penType=DataPen) const
	Calculates pen width for plot item. More...
Protected Member Functions inherited from QGraphicsItem
void	updateMicroFocus ()
virtual bool	sceneEventFilter (QGraphicsItem *watched, QEvent *event)
virtual bool	sceneEvent (QEvent *event)
virtual void	contextMenuEvent (QGraphicsSceneContextMenuEvent *event)
virtual void	dragEnterEvent (QGraphicsSceneDragDropEvent *event)
virtual void	dragLeaveEvent (QGraphicsSceneDragDropEvent *event)
virtual void	dragMoveEvent (QGraphicsSceneDragDropEvent *event)
virtual void	dropEvent (QGraphicsSceneDragDropEvent *event)
virtual void	focusInEvent (QFocusEvent *event)
virtual void	focusOutEvent (QFocusEvent *event)
virtual void	hoverEnterEvent (QGraphicsSceneHoverEvent *event)
virtual void	hoverMoveEvent (QGraphicsSceneHoverEvent *event)
virtual void	hoverLeaveEvent (QGraphicsSceneHoverEvent *event)
virtual void	keyPressEvent (QKeyEvent *event)
virtual void	keyReleaseEvent (QKeyEvent *event)
virtual void	mousePressEvent (QGraphicsSceneMouseEvent *event)
virtual void	mouseMoveEvent (QGraphicsSceneMouseEvent *event)
virtual void	mouseDoubleClickEvent (QGraphicsSceneMouseEvent *event)
virtual void	wheelEvent (QGraphicsSceneWheelEvent *event)
virtual void	inputMethodEvent (QInputMethodEvent *event)
virtual QVariant	inputMethodQuery (Qt::InputMethodQuery query) const
virtual QVariant	itemChange (GraphicsItemChange change, const QVariant &value)
void	prepareGeometryChange ()

Protected Attributes
double(*	funcYo )(double, double, const double *)
double	m_parY [FunItem::NumParMax]
double	parYo [FunItem::NumParMax]
QString	m_nameY
KUrl	m_urlY
QLibrary *	m_libY
Protected Attributes inherited from ThreeDItem
bool	m_showFrame
bool	m_logZ
bool	logXo
bool	logZo
int	m_numDigZ
int	m_minTicZ
int	m_expZ
Mode3D	m_mode3D
int	nx
int	nz
unsigned	m_colorData
double	m_zMin
double	m_zMax
double	m_deltaX
double	m_deltaZ
double	m_zTic
double	m_phi
double	m_theta
double	m_boxX
double	m_boxY
double	m_boxZ
double	m_xRef
double	m_yRef
double	m_fX
double	m_fY
double	m_fZ
double	zminl
double	xStep
double	zStep
double	xMino
double	xMaxo
double	deltaXo
double	zMino
double	zMaxo
double	deltaZo
double	scalx
double	scaly
double	scalz
double	scal3D
double	phio
double	thetao
double	xOff3D
double	yOff3D
double **	m_yValues
double	vertex [16]
QTransform	m3D
QVector< double >	yMin3D
QVector< double >	yMax3D
QString	m_textZ
Protected Attributes inherited from FrameItem
bool	m_logX
bool	m_logY
bool	m_xBottom
bool	m_xTop
bool	m_yLeft
bool	m_yRight
bool	m_collapsed
int	m_numDigX
int	m_numDigY
int	m_minTicX
int	m_minTicY
int	m_expX
int	m_expY
GridMode	m_gridMode
unsigned	m_colorFrame
unsigned	m_colorGrid
double	m_x0
double	m_y0
double	m_width
double	m_height
double	m_xMin
double	m_xMax
double	m_yMin
double	m_yMax
double	m_xTic
double	m_yTic
double	m_xOffset
double	m_yOffset
double	m_normX
double	m_normY
double	xminl
double	xmaxl
double	yminl
double	ymaxl
QString	m_textX
QString	m_textY
QString	m_header
QRectF	bRect
QRectF	cRect
QTransform	md
QTransform	m_inv
QTransform	m_matrix
Protected Attributes inherited from KplItem
double	m_relSize

Additional Inherited Members
Static Public Member Functions inherited from FrameItem
static void	autoScale (double &xMin, double &xMax, double &tick, int &minTic, int &numDig, double xmi, double xma, double f, double c, bool log)
	Calculates scaling parameters. More...
static bool	valid (double v, bool log=false)
	Checks a double value for validity. More...
Static Public Member Functions inherited from KplItem
static KUrl	absoluteUrl (const QString &path, const KUrl &urlPlo)
	Constructs absolute file URL. More...
static QBrush	createBrush (unsigned color, FillStyle fillStyle=NoBrush)
	Creates brush. More...
static QPen	createPen (double width, unsigned color, PenType penType, Symbol symbol)
	Creates pen. More...
static void	paintSymbol (QPainter *painter, const QRectF &rect, Symbol symbol=OpenCircle)
	Paints symbol. More...
static QPixmap	pixmap (Symbol symbol)
	Returns black decoration pixmap of plot symbol for use in dialog GUI. More...
static QPixmap	pixmap (QPen pen, Symbol symbol=SolidLine)
	Returns decoration pixmap of plot symbol for use in item lists. More...
static QString	path (const KUrl &urlPlo, const KUrl &url, bool absolute=false)
	Constructs absolute or (if possible) relative file path. More...
static unsigned	rgb (const QString &color)
	Converts rgb string to QRgb. More...
static unsigned	rgbQt1 (unsigned rgb)
	Converts QRgb to Qt1 QRgb. More...
static QString	tempFileName (const QString &suffix=".tmp")
	Generates unique temporary file name. More...
Static Public Attributes inherited from KplItem
static const double	Deg2rad
	Factor for converting from degrees to radians. More...
Protected Types inherited from ThreeDItem
enum	Axis { X, Y, Z }
	3D mode. More...
Static Protected Member Functions inherited from KplItem
static double	parentWidth (const QGraphicsItem *item)
	Returns width of item's parent frame or width of scene if the item has no parent item. More...
static double	penWidthFactor (PenType penType)
	Returns factor to calculate pen width from frame width. More...
Static Protected Attributes inherited from KplItem
static double	m_dashOffset

Detailed Description

3D function item class.

Provides methods for 3D plotting of functions.

Author

Werner Stille

Member Enumeration Documentation

anonymous enum

Specific QGraphicsItem type number for function type()

Enumerator
Type	Specific QGraphicsItem type number of Fun3DItem for function type().

Constructor & Destructor Documentation

Fun3DItem::Fun3DItem	(	double	x0 = 4,
		double	y0 = 3,
		double	width = 15,
		double	height = 10,
		unsigned	colorFrame = 0,
		unsigned	colorGrid = 0,
		unsigned	colorData = 0,
		bool	logX = false,
		bool	logY = false,
		bool	logZ = false,
		GridMode	gridMode = AxesWithLabels,
		Mode3D	mode3D = Grid,
		double	xMax = 15,
		double	yMax = 10,
		double	zMax = 15,
		const QString &	textX = "",
		const QString &	textY = "",
		const QString &	textZ = "",
		const QString &	header = "",
		double	relSize = 1,
		int	numDigX = -1,
		int	numDigY = -1,
		int	numDigZ = -1,
		int	minTicX = 5,
		int	minTicY = 2,
		int	minTicZ = 5,
		int	expX = 0,
		int	expY = 0,
		int	expZ = 0,
		double	xMin = 0,
		double	yMin = 0,
		double	zMin = 0,
		double	xTic = 5,
		double	yTic = 2,
		double	zTic = 5,
		double	deltaX = 0,
		double	deltaZ = 0,
		double	phi = 20,
		double	theta = -20,
		double	bx = 7.5,
		double	by = 7.5,
		double	bz = 7.5,
		double	xr = 7.5,
		double	yr = 4,
		double	fx = 1,
		double	fy = 1,
		double	fz = 1,
		const QString &	name = "",
		const KUrl &	url = KUrl(),
		bool	showFrame = true,
		bool	collapsed = false,
		bool	visible = true
	)

Constructor.

Initializes corresponding to arguments.

Parameters

x0	left page margin in centimeters.
y0	bottom page margin in centimeters.
width	width in centimeters.
height	height in centimeters.
colorFrame	color for frame and labels.
colorGrid	color for grids and tics.
colorData	color for data plot.
logX	true for logarithmic x axis.
logY	true for logarithmic y axis.
logZ	true for logarithmic y axis.
gridMode	grid mode.
mode3D	3D mode.
xMax	maximum x value.
yMax	maximum y value.
zMax	maximum z value.
textX	x axis text.
textY	y axis text.
textZ	z axis text.
header	heading text.
relSize	relative size of text, markers and lines.
numDigX	number of digits for x axis.
numDigY	number of digits for y axis.
numDigZ	number of digits for z axis.
minTicX	number of intervals between major tics of x axis.
minTicY	number of intervals between major tics of y axis.
minTicZ	number of intervals between major tics of z axis.
expX	logarithm of normalization factor for x axis.
expY	logarithm of normalization factor for y axis.
expZ	logarithm of normalization factor for z axis.
xMin	minimum x value.
yMin	minimum y value.
zMin	minimum z value.
xTic	distance between major tics of x axis.
yTic	distance between major tics of y axis.
zTic	distance between major tics of z axis.
deltaX	x step size.
deltaZ	z step size.
phi	angle of rotation about y axis in deg.
theta	tilt angle of y axis in deg.
bx	x box width in cm.
by	y box width in cm.
bz	z box width in cm.
xr	x position of center of box bottom plane.
yr	y position of center of box bottom plane.
fx	normalization factor for x values.
fy	normalization factor for y values.
fz	normalization factor for z values.
name	function name.
url	URL of the function library.
showFrame	true to show frame.
collapsed	true for collapsed in list view.
visible	true for visible item.

Fun3DItem::Fun3DItem

(

const Fun3DItem &

f

)

Copy constructor.

Fun3DItem::Fun3DItem	(	const KConfigGroup *	plo,
		const KUrl &	urlPlo,
		double	x0 = 4,
		double	y0 = 3,
		double	width = 15,
		double	height = 10,
		unsigned	colorFrame = 0,
		unsigned	colorGrid = 0,
		unsigned	colorData = 0,
		GridMode	gridMode = AxesWithLabels
	)

Constructor.

Initializes corresponding to plot file.

Parameters

plo	pointer to KConfigGroup object containing item data.
urlPlo	URL of plot file.
x0	default value for left page margin in centimeters.
y0	default value for bottom page margin in centimeters.
width	default value for width in centimeters.
height	default value for height in centimeters.
colorFrame	default value for color for frame and labels.
colorGrid	default value for color for grids and tics.
colorData	color for data plot.
gridMode	default grid mode.

Fun3DItem::~Fun3DItem

(

)

Destructor.

Member Function Documentation

int Fun3DItem::calcTable

(

)

const

Calculates function value table.

Returns

number of data points.

void Fun3DItem::exportTable	(	QTextStream &	stream,
		char	separator,
		char	format,
		int	precision
	)		const

Exports function value table to file.

Parameters

stream	stream for output file.
separator	column separator character.
format	C format character.
precision	precision.

const QLibrary* Fun3DItem::libY ( ) const

inline

Returns pointer to library for y function.

QString Fun3DItem::nameY ( ) const

inline

Returns y function name.

virtual void Fun3DItem::paint ( QPainter *  painter, const QStyleOptionGraphicsItem *  option, QWidget *  widget = 0  )

virtual

Paints item.

Reimplemented from ThreeDItem.

double* Fun3DItem::parY ( )

inline

Returns y function parameter array pointer.

bool Fun3DItem::setFuncY	(	const KUrl &	url,
		const QString &	name
	)

Resolves y function address.

Parameters

url	URL of the function library.
name	function name.

Returns

true for success.

void Fun3DItem::setPar ( int  i, double  value  )

inline

Sets parameter.

Parameters

i	parameter index.
value	value.

virtual int Fun3DItem::type ( ) const

inlinevirtual

Returns specific QGraphicsItem type number.

Reimplemented from FrameItem.

void Fun3DItem::unload ( )

protected

Unloads y function library.

void Fun3DItem::update

(

)

Applies changes and forces redrawing.

const KUrl& Fun3DItem::urlY ( ) const

inline

Returns URL of y function library.

void Fun3DItem::writePlo	(	KConfigGroup *	plo,
		const KUrl &	urlPlo,
		bool	absolute,
		char	format,
		int	precision
	)		const

Writes into plot file.

Parameters

plo	KConfigGroup object.
urlPlo	URL of plot file.
absolute	true to save absolute paths.
format	format character for value display.
precision	precision (number of digits) for value display.

---

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

• fun3ditem.h