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Charts Package API Reference Guide

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IlvCartesianChart Class Reference

Implementation of predefined Cartesian charts. More...

#include <ilviews/charts/simplegr.h>

Inheritance diagram for IlvCartesianChart:
IlvChartGraphic IlvSimpleGraphic IlvGraphic

Public Member Functions

 IlvCartesianChart (IlvDisplay *display, const IlvRect &bbox, IlBoolean useGrid=IlFalse, IlvCartesianProjector::Orientation orientation=IlvCartesianProjector::IlvXRightYTop, IlvPalette *palette=0, IlvPalette *gridPalette=0)
 Constructor. More...
 
- Public Member Functions inherited from IlvChartGraphic
 IlvChartGraphic (IlvDisplay *display, const IlvRect &bbox, IlvPalette *palette=0)
 Constructor. More...
 
virtual ~IlvChartGraphic ()
 Destructor. More...
 
IlvAbstractChartCursoraddAbscissaCursor (IlDouble value, IlvPalette *palette=0, IlBoolean reDraw=IlTrue)
 Adds a cursor on the abscissa axis. More...
 
IlvAbstractGridDisplayeraddAbscissaGrid (IlvPalette *majorPalette=0, IlvPalette *minorPalette=0, IlBoolean reDraw=IlTrue)
 Adds a grid on the abscissa axis. More...
 
IlBoolean addDisplayer (IlvAbstractChartDisplayer *displayer, IlvChartDataSet *dataSet=0, IlvCoordinateInfo *ordinateInfo=0, IlUInt position=IlvLastPositionIndex)
 Adds a displayer connected to one data set. More...
 
virtual IlBoolean addDisplayer (IlvAbstractChartDisplayer *displayer, IlUInt count, IlvChartDataSet *const *dataSets, IlvCoordinateInfo *ordinateInfo=0, IlUInt position=IlvLastPositionIndex)
 Adds a displayer connected to several data sets. More...
 
IlvAbstractChartCursoraddOrdinateCursor (IlDouble value, IlvPalette *palette=0, IlUInt index=0, IlBoolean reDraw=IlTrue)
 Adds a cursor on an ordinate axis. More...
 
IlvAbstractGridDisplayeraddOrdinateGrid (IlvPalette *majorPalette=0, IlvPalette *minorPalette=0, IlUInt index=0, IlBoolean reDraw=IlTrue)
 Adds a grid to an ordinate axis. More...
 
void addOrdinateScale (IlvAbstractScaleDisplayer *scale)
 Adds an ordinate scale. More...
 
virtual void dataPointsAdded (const IlvChartDataSet *ds, IlUInt iMin, IlUInt iMax, IlBoolean reDraw=IlTrue)
 Performs the automatic update when new data are added. More...
 
IlBoolean dataPointsToDisplay (IlUInt count, const IlvDoublePoint *dataPoints, IlvPoint *points, const IlvCoordinateInfo *ordinateInfo, IlBoolean shiftOfCycleLength, const IlvTransformer *t=0) const
 Converts data points to screen coordinates. More...
 
IlBoolean displayToDataPoints (IlUInt count, const IlvPoint *points, IlvDoublePoint *dataPoints, const IlvCoordinateInfo *ordinateInfo, IlBoolean shiftOfCycleLength, const IlvTransformer *t=0) const
 Converts screen coordinates to data points. More...
 
void enableFastScroll (IlBoolean enable)
 Enables a very efficient refresh in Shift scroll mode. More...
 
IlvAbstractGridDisplayergetAbscissaGrid () const
 Returns the abscissa grid. More...
 
IlvCoordinateInfogetAbscissaInfo () const
 Returns the coordinate information object of the abscissa. More...
 
IlvSingleScaleDisplayergetAbscissaScale () const
 Returns the abscissa scale. More...
 
const IlvAxisCrossinggetAxisCrossing (IlInt index) const
 Gets crossing between coordinate axes. More...
 
IlvAbstractChartCursorgetCycleCursor () const
 Returns the cycle cursor. More...
 
IlvAbstractChartDatagetData () const
 Returns the chart data object that manages the data sets displayed by the current object. More...
 
void getDataDisplayArea (IlvRect &dataDisplayArea, const IlvTransformer *t=0) const
 Returns the data display area of the chart. More...
 
void getDataDisplayArea (const IlvCoordinateInfo *coordInfo, IlvRect &dataDisplayArea, const IlvTransformer *t=0) const
 Returns the rectangle where the data values of a coordinate are projected. More...
 
IlvChartDataSetgetDataSet (IlUInt dataSetIndex) const
 Returns a given data set. More...
 
IlUInt getDataSetIndex (const IlvChartDataSet *dataSet) const
 Returns the index of a given data set. More...
 
IlvChartDataSet *const * getDataSets (IlUInt &dataSetCount) const
 Returns the data sets. More...
 
IlUInt getDataSetsCount () const
 Returns the number of data sets. More...
 
IlvAbstractChartDisplayergetDisplayer (IlUInt displayerIndex) const
 Gets one specific displayer by index. More...
 
IlvAbstractChartDisplayergetDisplayerByName (const char *name) const
 Gets one specific displayer by name. More...
 
IlUInt getDisplayerIndex (const IlvAbstractChartDisplayer *displayer) const
 Returns the index of a displayer. More...
 
IlUInt getDisplayersCount () const
 Returns the number of displayers. More...
 
IlUInt getDisplayItem (IlvAbstractChartDisplayer *&displayer, IlvChartDataSet *&dataSet, const IlvPoint &viewPoint, const IlvTransformer *t) const
 Returns the data point whose representation on the chart includes a given screen point of the chart graphic. More...
 
IlBoolean getDrawingArea (IlvRect &drawingArea, const IlvTransformer *t=0) const
 Returns the drawing area of the chart. More...
 
void getGraphArea (IlvRect &graphArea, const IlvTransformer *t=0) const
 Returns the graph area of the chart. More...
 
IlvChartLayoutgetLayout () const
 Returns the chart layout object. More...
 
IlvChartLegendgetLegend () const
 Returns the legend. More...
 
IlUInt getNearestPoint (IlvAbstractChartDisplayer *&displayer, IlvChartDataSet *&dataSet, const IlvPoint &viewPoint, IlvDim distance, IlvPoint &point, const IlvTransformer *t) const
 Returns the nearest data point from a screen point of the chart graphic. More...
 
IlvAbstractGridDisplayergetOrdinateGrid (IlUInt index=0) const
 Gets an ordinate grid by index. More...
 
IlUInt getOrdinateGridIndex (const IlvAbstractGridDisplayer *grid) const
 Returns the index of an ordinate grid. More...
 
IlvCoordinateInfogetOrdinateInfo (IlUInt index=0) const
 Returns the coordinate information object of an ordinate axis. More...
 
IlUInt getOrdinateInfoCount () const
 Returns the number of ordinate coordinate information objects. More...
 
IlUInt getOrdinateInfoIndex (const IlvCoordinateInfo *info) const
 Returns the index of an ordinate coordinate information object. More...
 
IlvAbstractScaleDisplayergetOrdinateScale (IlUInt index=0) const
 Gets an ordinate scale by index. More...
 
IlUInt getOrdinateScaleIndex (const IlvAbstractScaleDisplayer *scale) const
 Returns the index of an ordinate scale. More...
 
IlUInt getOrdinateScalesCount () const
 Returns the number of ordinate scales. More...
 
IlvSingleScaleDisplayergetOrdinateSingleScale (IlUInt index=0) const
 Gets a single ordinate scale by index. More...
 
IlvPalettegetProjectedPointsPalette () const
 Returns the palette used to display the out-of-bounds data points that are projected. More...
 
IlvAbstractProjectorgetProjector () const
 Returns the projector. More...
 
void getProjectorArea (const IlvCoordinateInfo *coordInfo, IlvProjectorArea &projArea, const IlvTransformer *t) const
 Returns the description of the projecting area associated with a coordinate. More...
 
void getProjectorArea (const IlvAbstractScaleDisplayer *scale, IlvProjectorArea &projArea, const IlvTransformer *t=0) const
 Returns the description of the projecting area associated with a scale. More...
 
IlvSingleScaleDisplayergetScaleForCursor (const IlvAbstractChartCursor *cursor) const
 Returns the scale for a cursor. More...
 
IlvAbstractChartCursorgetScrollCursor () const
 Returns the scrolling cursor. More...
 
ScrollMode getScrollMode () const
 Returns the scrolling mode. More...
 
IlDouble getScrollRatio () const
 Returns the scrolling ratio. More...
 
virtual void insertOrdinateScale (IlvAbstractScaleDisplayer *scale, IlUInt index=0)
 Inserts an ordinate scale. More...
 
IlBoolean isFastScrollEnabled () const
 Queries for the Fast Scroll mode. More...
 
IlBoolean isReDrawnWhenNotified () const
 Indicates whether an automatic redraw is performed. More...
 
void moveCursor (IlvAbstractChartCursor *cursor, IlDouble newValue, IlBoolean reDraw=IlTrue)
 Moves a cursor. More...
 
virtual void moveDisplayer (IlUInt displayerIndex, IlUInt newIndex)
 Changes the stacking order of a displayer. More...
 
IlBoolean projectHorizontally () const
 Indicates whether there is a horizontal projection of out-of-bounds data points. More...
 
IlBoolean projectVertically () const
 Indicates whether there is a vertical projection of out-of-bounds data points. More...
 
void reDrawWhenNotified (IlBoolean reDraw)
 Specifies whether an automatic redraw is performed. More...
 
IlvAbstractChartCursorremoveAbscissaCursor (IlvAbstractChartCursor *cursor, IlBoolean reDraw=IlTrue)
 Removes a cursor from the abscissa axis. More...
 
void removeAbscissaGrid (IlBoolean reDraw=IlTrue)
 Removes the grid from the abscissa axis. More...
 
virtual void removeAbscissaScale ()
 Removes the abscissa scale. More...
 
virtual IlBoolean removeDisplayer (IlUInt displayerIndex)
 Removes a displayer. More...
 
virtual void removeDisplayers ()
 Removes all displayers.
 
IlvAbstractChartCursorremoveOrdinateCursor (IlvAbstractChartCursor *cursor, IlUInt index=0, IlBoolean reDraw=IlTrue)
 Removes a cursor from an ordinate axis. More...
 
void removeOrdinateGrid (IlUInt index=0, IlBoolean reDraw=IlTrue)
 Removes the grid from an ordinate axis. More...
 
virtual void removeOrdinateGrids ()
 Removes all the ordinate grids. More...
 
virtual void removeOrdinateScale (IlUInt index)
 Removes an ordinate scale. More...
 
virtual void removeOrdinateScales ()
 Removes all the ordinate scales. More...
 
virtual IlBoolean replaceDisplayer (IlvAbstractChartDisplayer *oldDisplayer, IlvAbstractChartDisplayer *newDisplayer, IlBoolean copyPalettes=IlFalse)
 Replaces one displayer by another. More...
 
virtual void setAbscissaGrid (IlvAbstractGridDisplayer *grid)
 Sets the abscissa grid. More...
 
virtual void setAbscissaScale (IlvSingleScaleDisplayer *scale)
 Sets the abscissa scale. More...
 
void setAxisCrossing (IlInt index, IlvAxisCrossing *)
 Specifies the crossing between coordinate axes. More...
 
void setAxisCrossing (IlInt index, IlDouble val)
 Specifies the crossing between coordinate axes at a fixed value. More...
 
void setCursorVisible (IlvAbstractChartCursor *cursor, IlBoolean visible)
 Shows or hides a cursor. More...
 
virtual void setData (IlvAbstractChartData *data)
 Sets the chart data object that manages the data sets displayed by the current object. More...
 
void setDrawOrder (IlvDrawOrder drawOrder)
 Sets the drawing order for all the scales and grids defined. More...
 
virtual void setLayout (IlvChartLayout *layout)
 Sets the chart layout object. More...
 
void setLegend (IlvChartLegend *legend)
 Sets the legend. More...
 
virtual void setOrdinateGrid (IlUInt index, IlvAbstractGridDisplayer *grid)
 Adds or replaces an ordinate grid. More...
 
virtual void setOrdinateScale (IlUInt index, IlvAbstractScaleDisplayer *scale)
 Adds or replaces an ordinate scale. More...
 
void setProjectedPointsPalette (IlvPalette *palette)
 Sets the palette used to display the out-of-bounds data points that are projected. More...
 
void setProjectHorizontally (IlBoolean projectHorizontally)
 Specifies whether there is a horizontal projection of out-of-bounds data points. More...
 
virtual IlBoolean setProjector (IlvAbstractProjector *projector)
 Sets the projector. More...
 
void setProjectVertically (IlBoolean projectVertically)
 Specifies whether there is a vertical projection of out-of-bounds data points. More...
 
void setScrollMode (ScrollMode mode, IlBoolean createCursor=IlFalse)
 Sets the scrolling mode. More...
 
void setScrollRatio (IlDouble ratio)
 Sets the scrolling ratio. More...
 
void stackScales (IlUInt count, const IlvSingleScaleDisplayer *const *scales, IlDouble offsetRatio)
 Stack several ordinate scales. More...
 
virtual void translateCharts (IlDouble deltaAbscissa, IlDouble deltaOrdinate, IlUInt ordinateAxisIndex=0, IlBoolean redraw=IlTrue, IlBoolean clipToAutoRange=IlTrue)
 Translates the graphical representations of data. More...
 
virtual void update ()
 Updates the current object. More...
 
void updateAndReDraw ()
 Updates and redraws the current object. More...
 
virtual IlBoolean zoomCharts (const IlvCoordInterval &abscissaRange, IlBoolean redraw=IlTrue, IlBoolean clipToAutoRange=IlTrue)
 Zooms the graphical representations of data on the abscissa axis. More...
 
virtual IlBoolean zoomCharts (const IlvCoordInterval &ordinateRange, IlUInt ordinateAxisIndex, IlBoolean redraw=IlTrue, IlBoolean clipToAutoRange=IlTrue)
 Zooms the graphical representations of data on an ordinate axis. More...
 
IlBoolean zoomCharts (const IlvCoordInterval &abscissaRange, const IlvCoordInterval &ordinateRange, IlUInt ordinateAxisIndex=0, IlBoolean redraw=IlTrue, IlBoolean clipToAutoRange=IlTrue)
 Zooms the graphical representations of data. More...
 

Additional Inherited Members

- Public Types inherited from IlvChartGraphic
enum  FillMode { FillNone, FillDataArea, FillGraphArea, FillDataAndGraphArea }
 Available chart fill modes. More...
 
enum  ScrollMode { IlvScrollModeStop, IlvScrollModeShift, IlvScrollModeCycle }
 Available scrolling modes. More...
 

Detailed Description

Implementation of predefined Cartesian charts.

Library: ilvcharts

This class is a subclass of IlvChartGraphic which allows you to display a Cartesian chart.

A Cartesian chart represents data in a standard way: the data are expressed in Cartesian coordinates (x, y). The abscissa and ordinate scales which represent the x-and y-coordinates, respectively, are orthogonal.

Example of a Cartesian chart:

See Also
IlvChartGraphic.

Constructor & Destructor Documentation

IlvCartesianChart::IlvCartesianChart ( IlvDisplay display,
const IlvRect bbox,
IlBoolean  useGrid = IlFalse,
IlvCartesianProjector::Orientation  orientation = IlvCartesianProjector::IlvXRightYTop,
IlvPalette palette = 0,
IlvPalette gridPalette = 0 
)

Constructor.

Initializes a new IlvCartesianChart object. The constructor creates a Cartesian chart with two default scales. The associated projector is an instance of IlvCartesianProjector and the scales are instances of IlvRectangularScaleDisplayer.

Parameters
displayThe display connection that will handle the drawing of this object.
bboxThe initial bounding box of the chart graphic.
useGridA Boolean indicating whether grids should be added to the created scales.
orientationThe orientation of the Cartesian projector.
paletteThe palette associated with the chart.
gridPaletteThe palette associated with the grids (meaningful only if useGrid is equal to IlTrue).

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