#Cplot figure handle for free#
✅ Updated regularly for free (latest update in April 2021) ✅ 30-day no-question money-back guarantee See the ‘plotting’ and ‘PlotWidget’ examples included with pyqtgraph for more information.Limited time discount: 2-for-1, save 50%! Most of the methods provided by GraphicsLayout are also available through GraphicsLayoutWidget. GraphicsLayoutWidget - QWidget subclass displaying a single GraphicsLayout. Most of the methods provided by PlotItem are also available through PlotWidget. PlotWidget - A subclass of GraphicsView with a single PlotItem displayed. Container Classes (subclasses of QWidget may be embedded in PyQt GUIs).Typically all PlotData/PlotCurve/ScatterPlotItems are displayed from within a ViewBox.ĪxisItem - Displays axis values, ticks, and labels. The user may scale/pan the contents of a ViewBox using the mouse. ViewBox - A QGraphicsItem subclass for displaying data. This is used to display multiple PlotItems together. GraphicsLayout - QGraphicsItem subclass which displays a grid of items.
This is a QGraphicsItem subclass and thus may only be used from within a GraphicsView PlotItem - Contains a ViewBox for displaying data as well as AxisItems and labels for displaying the axes and title.
PlotCurveItem - Displays a plot line given x,y data Data Classes (all subclasses of QGraphicsItem).Most importantly: 1) Qt GUIs are composed of QWidgets, 2) A special widget called QGraphicsView is used for displaying complex graphics, and 3) QGraphicsItems define the objects that are displayed within a QGraphicsView. PyQtGraph is based heavily on Qt’s GraphicsView framework–if you are not already familiar with this, it’s worth reading about (but not essential). Most of these classes are instantiated automatically, but it is useful to understand how they are organized and relate to each other. There are several classes invloved in displaying plot data. See the ‘plotting’ example for a demonstration of these arguments.Īll of the above functions also return handles to the objects that are created, allowing the plots and data to be further modified. SymbolBrush - The brush (or sequence of brushes) to use when filling the symbol.įillLevel - Fills the area under the plot curve to this Y-value.īrush - The brush to use when filling under the curve. SymbolPen - The pen (or sequence of pens) to use when drawing the symbol outline. Optionally, this may also be a sequence of strings with a different symbol for each point. Symbol - A string describing the shape of symbols to use for each point. Pen - The pen to use when drawing plot lines, or None to disable lines. X - Optional X data if not specified, then a range of integers will be generated automatically. There are a few basic ways to plot data in pyqtgraph:Ĭreate a new plot window showing your dataĪdd a new set of data to an existing plot widgetĪll of these will accept the same basic arguments which control how the plot data is interpreted and displayed:
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