📦 qwt-doc

185 pages

B

barchartscreenshots(3)Bar Charts, Histograms✨

C

controlscreenshots(3)Dials, Compasses, Knobs, Wheels, Sliders, Thermos✨
curvescreenshots(3)Curve Plots✨

O

otherscreenshots(3)Other Plots✨

Q

QList(3)✨
QMap(3)✨
QStack(3)✨
QVector(3)✨
QwtAbstractLegend(3)Abstract base class for legend widgets.✨
QwtAbstractScale(3)An abstract base class for widgets having a scale.✨
QwtAbstractScaleDraw(3)A abstract base class for drawing scales.✨
QwtAbstractSeriesStore(3)Bridge between QwtSeriesStore and QwtPlotSeriesItem.✨
QwtAbstractSlider(3)An abstract base class for slider widgets with a scale.✨
QwtAlphaColorMap(3)QwtAlphaColorMap varies the alpha value of a color.✨
QwtAnalogClock(3)An analog clock.✨
QwtArraySeriesData(3)Template class for data, that is organized as QVector.✨
QwtArrowButton(3)Arrow Button.✨
QwtAxis(3)✨
QwtBezier(3)An implementation of the de Casteljau’s Algorithm for interpolating Bézier curves.✨
qwtchangelog(3)What's new in Qwt 6.3✨
QwtClipper(3)Some clipping algorithms.✨
QwtColorMap(3)QwtColorMap is used to map values into colors.✨
QwtColumnRect(3)Directed rectangle representing bounding rectangle and orientation of a column.✨
QwtColumnSymbol(3)A drawing primitive for columns.✨
QwtCompass(3)A Compass Widget.✨
QwtCompassMagnetNeedle(3)A magnet needle for compass widgets.✨
QwtCompassRose(3)Abstract base class for a compass rose.✨
QwtCompassScaleDraw(3)A special scale draw made for QwtCompass.✨
QwtCompassWindArrow(3)An indicator for the wind direction.✨
QwtCounter(3)The Counter Widget.✨
QwtCPointerData(3)Data class containing two pointers to memory blocks of T.✨
QwtCPointerValueData(3)Data class containing a pointer to memory of y coordinates.✨
QwtCurveFitter(3)Abstract base class for a curve fitter.✨
QwtDate(3)A collection of methods around date/time values.✨
QwtDateScaleDraw(3)A class for drawing datetime scales.✨
QwtDateScaleEngine(3)A scale engine for date/time values.✨
QwtDial(3)QwtDial class provides a rounded range control.✨
QwtDialNeedle(3)Base class for needles that can be used in a QwtDial.✨
QwtDialSimpleNeedle(3)A needle for dial widgets.✨
QwtDynGridLayout(3)The QwtDynGridLayout class lays out widgets in a grid, adjusting the number of columns and rows to the current size.✨
QwtEventPattern(3)A collection of event patterns.✨
QwtEventPattern_KeyPattern(3)A pattern for key events.✨
QwtEventPattern_MousePattern(3)A pattern for mouse events.✨
QwtGraphic(3)A paint device for scalable graphics.✨
QwtHueColorMap(3)QwtHueColorMap varies the hue value of the HSV color model.✨
qwtinstall(3)Installing Qwt✨
QwtInterval(3)A class representing an interval.✨
QwtIntervalSample(3)A sample of the types (x1-x2, y) or (x, y1-y2).✨
QwtIntervalSeriesData(3)Interface for iterating over an array of intervals.✨
QwtIntervalSymbol(3)A drawing primitive for displaying an interval like an error bar.✨
QwtKnob(3)The Knob Widget.✨
QwtLegend(3)The legend widget.✨
QwtLegendData(3)Attributes of an entry on a legend.✨
QwtLegendLabel(3)A widget representing something on a QwtLegend.✨
qwtlicense(3)Qwt License, Version 1.0✨
QwtLinearColorMap(3)QwtLinearColorMap builds a color map from color stops.✨
QwtLinearScaleEngine(3)A scale engine for linear scales.✨
QwtLogScaleEngine(3)A scale engine for logarithmic scales.✨
QwtLogTransform(3)Logarithmic transformation.✨
QwtMagnifier(3)QwtMagnifier provides zooming, by magnifying in steps.✨
QwtMathMLTextEngine(3)Text Engine for the MathML renderer of the Qt solutions package.✨
QwtMatrixRasterData(3)A class representing a matrix of values as raster data.✨
QwtNullPaintDevice(3)A null paint device doing nothing.✨
QwtNullTransform(3)Null transformation.✨
QwtOHLCSample(3)Open-High-Low-Close sample used in financial charts.✨
QwtPainter(3)A collection of QPainter workarounds.✨
QwtPainterCommand(3)✨
QwtPanner(3)QwtPanner provides panning of a widget.✨
QwtPicker(3)QwtPicker provides selections on a widget.✨
QwtPickerClickPointMachine(3)A state machine for point selections.✨
QwtPickerClickRectMachine(3)A state machine for rectangle selections.✨
QwtPickerDragLineMachine(3)A state machine for line selections.✨
QwtPickerDragPointMachine(3)A state machine for point selections.✨
QwtPickerDragRectMachine(3)A state machine for rectangle selections.✨
QwtPickerMachine(3)A state machine for QwtPicker selections.✨
QwtPickerPolygonMachine(3)A state machine for polygon selections.✨
QwtPickerTrackerMachine(3)A state machine for indicating mouse movements.✨
QwtPixelMatrix(3)A bit field corresponding to the pixels of a rectangle.✨
QwtPlainTextEngine(3)A text engine for plain texts.✨
QwtPlot(3)A 2-D plotting widget.✨
QwtPlotAbstractBarChart(3)Abstract base class for bar chart items.✨
QwtPlotAbstractCanvas(3)Base class for all type of plot canvases.✨
QwtPlotAbstractGLCanvas(3)Base class of QwtPlotOpenGLCanvas and QwtPlotGLCanvas.✨
QwtPlotBarChart(3)QwtPlotBarChart displays a series of a values as bars.✨
QwtPlotCanvas(3)Canvas of a QwtPlot.✨
QwtPlotCurve(3)A plot item, that represents a series of points.✨
QwtPlotDict(3)A dictionary for plot items.✨
QwtPlotDirectPainter(3)Painter object trying to paint incrementally.✨
QwtPlotGLCanvas(3)An alternative canvas for a QwtPlot derived from QGLWidget.✨
QwtPlotGraphicItem(3)A plot item, which displays a recorded sequence of QPainter commands.✨
QwtPlotGrid(3)A class which draws a coordinate grid.✨
QwtPlotHistogram(3)QwtPlotHistogram represents a series of samples, where an interval is associated with a value ( $y = f([x1,x2])$ ).✨
QwtPlotIntervalCurve(3)QwtPlotIntervalCurve represents a series of samples, where each value is associated with an interval ( $[y1,y2] = f(x)$ ).✨
QwtPlotItem(3)Base class for items on the plot canvas.✨
QwtPlotLayout(3)Layout engine for QwtPlot.✨
QwtPlotLegendItem(3)A class which draws a legend inside the plot canvas.✨
QwtPlotMagnifier(3)QwtPlotMagnifier provides zooming, by magnifying in steps.✨
QwtPlotMarker(3)A class for drawing markers.✨
QwtPlotMultiBarChart(3)QwtPlotMultiBarChart displays a series of a samples that consist each of a set of values.✨
QwtPlotOpenGLCanvas(3)An alternative canvas for a QwtPlot derived from QOpenGLWidget.✨
QwtPlotPanner(3)QwtPlotPanner provides panning of a plot canvas.✨
QwtPlotPicker(3)QwtPlotPicker provides selections on a plot canvas.✨
QwtPlotRasterItem(3)A class, which displays raster data.✨
QwtPlotRenderer(3)Renderer for exporting a plot to a document, a printer or anything else, that is supported by QPainter/QPaintDevice.✨
QwtPlotRescaler(3)QwtPlotRescaler takes care of fixed aspect ratios for plot scales.✨
QwtPlotScaleItem(3)A class which draws a scale inside the plot canvas.✨
QwtPlotSeriesItem(3)Base class for plot items representing a series of samples.✨
QwtPlotShapeItem(3)A plot item, which displays any graphical shape, that can be defined by a QPainterPath.✨
QwtPlotSpectroCurve(3)Curve that displays 3D points as dots, where the z coordinate is mapped to a color.✨
QwtPlotSpectrogram(3)A plot item, which displays a spectrogram.✨
QwtPlotSvgItem(3)A plot item, which displays data in Scalable Vector Graphics (SVG) format.✨
QwtPlotTextLabel(3)A plot item, which displays a text label.✨
QwtPlotTradingCurve(3)QwtPlotTradingCurve illustrates movements in the price of a financial instrument over time.✨
QwtPlotVectorField(3)A plot item, that represents a vector field.✨
QwtPlotZoneItem(3)A plot item, which displays a zone.✨
QwtPlotZoomer(3)QwtPlotZoomer provides stacked zooming for a plot widget.✨
QwtPoint3D(3)QwtPoint3D class defines a 3D point in double coordinates.✨
QwtPoint3DSeriesData(3)Interface for iterating over an array of 3D points.✨
QwtPointArrayData(3)Interface for iterating over two QVector<T> objects.✨
QwtPointMapper(3)A helper class for translating a series of points.✨
QwtPointPolar(3)A point in polar coordinates.✨
QwtPointSeriesData(3)Interface for iterating over an array of points.✨
QwtPolarCanvas(3)Canvas of a QwtPolarPlot.✨
QwtPolarCurve(3)An item, that represents a series of points.✨
QwtPolarFitter(3)A simple curve fitter for polar points.✨
QwtPolarGrid(3)An item which draws scales and grid lines on a polar plot.✨
QwtPolarItem(3)Base class for items on a polar plot.✨
QwtPolarItemDict(3)A dictionary for polar plot items.✨
QwtPolarLayout(3)Layout class for QwtPolarPlot.✨
QwtPolarMagnifier(3)QwtPolarMagnifier provides zooming, by magnifying in steps.✨
QwtPolarMarker(3)A class for drawing markers.✨
QwtPolarPanner(3)QwtPolarPanner provides panning of a polar plot canvas.✨
QwtPolarPicker(3)QwtPolarPicker provides selections on a plot canvas.✨
QwtPolarPlot(3)A plotting widget, displaying a polar coordinate system.✨
QwtPolarRenderer(3)Renderer for exporting a polar plot to a document, a printer or anything else, that is supported by QPainter/QPaintDevice.✨
QwtPolarSpectrogram(3)An item, which displays a spectrogram.✨
QwtPowerTransform(3)A transformation using pow().✨
QwtRasterData(3)QwtRasterData defines an interface to any type of raster data.✨
QwtRichTextEngine(3)A text engine for Qt rich texts.✨
QwtRoundScaleDraw(3)A class for drawing round scales.✨
QwtSamplingThread(3)A thread collecting samples at regular intervals.✨
QwtSaturationValueColorMap(3)QwtSaturationValueColorMap varies the saturation and/or value for a given hue in the HSV color model.✨
QwtScaleArithmetic(3)Arithmetic including a tolerance.✨
QwtScaleDiv(3)A class representing a scale division.✨
QwtScaleDraw(3)A class for drawing scales.✨
QwtScaleEngine(3)Base class for scale engines.✨
QwtScaleMap(3)A scale map.✨
QwtScaleWidget(3)A Widget which contains a scale.✨
QwtSeriesData(3)Abstract interface for iterating over samples.✨
QwtSeriesStore(3)Class storing a QwtSeriesData object.✨
QwtSetSample(3)A sample of the types (x1...xn, y) or (x, y1..yn).✨
QwtSetSeriesData(3)Interface for iterating over an array of samples.✨
QwtSimpleCompassRose(3)A simple rose for QwtCompass.✨
QwtSlider(3)The Slider Widget.✨
QwtSpline(3)Base class for all splines.✨
QwtSplineBasis(3)An approximation using a basis spline.✨
QwtSplineC1(3)Base class for spline interpolations providing a first order parametric continuity ( C1 ) between adjoining curves.✨
QwtSplineC2(3)Base class for spline interpolations providing a second order parametric continuity ( C2 ) between adjoining curves.✨
QwtSplineCubic(3)A cubic spline.✨
QwtSplineCurveFitter(3)A curve fitter using a spline interpolation.✨
QwtSplineG1(3)Base class for spline interpolations providing a first order geometric continuity ( G1 ) between adjoining curves.✨
QwtSplineInterpolating(3)Base class for a spline interpolation.✨
QwtSplineLocal(3)A spline with C1 continuity.✨
QwtSplineParametrization(3)Curve parametrization used for a spline interpolation.✨
QwtSplinePleasing(3)A spline with G1 continuity.✨
QwtSplinePolynomial(3)A cubic polynomial without constant term.✨
QwtSymbol(3)A class for drawing symbols.✨
QwtSyntheticPointData(3)Synthetic point data.✨
QwtSystemClock(3)QwtSystemClock provides high resolution clock time functions.✨
QwtText(3)A class representing a text.✨
QwtTextEngine(3)Abstract base class for rendering text strings.✨
QwtTextLabel(3)A Widget which displays a QwtText.✨
QwtThermo(3)The Thermometer Widget.✨
QwtTradingChartData(3)✨
QwtTransform(3)A transformation between coordinate systems.✨
QwtValuePointData(3)Interface for iterating over a QVector<T>.✨
QwtVectorFieldArrow(3)✨
QwtVectorFieldData(3)Interface for iterating over an array of vector field samples.✨
QwtVectorFieldSample(3)Sample used in vector fields.✨
QwtVectorFieldSymbol(3)✨
QwtVectorFieldThinArrow(3)✨
QwtWeedingCurveFitter(3)A curve fitter implementing Douglas and Peucker algorithm.✨
QwtWheel(3)The Wheel Widget.✨
QwtWidgetOverlay(3)An overlay for a widget.✨

S

spectrogramscreenshots(3)Spectrogram, Contour Plot✨