Pyqtgraph graphicsscene QGraphicsScene): """ Extension of QGraphicsScene that implements a complete, parallel mouse event system. Contents: GraphicsScene; HoverEvent; MouseClickEvent; MouseDragEvent; Next Previous The render performance of QPainterPath when using a QPen that has a width greater than 1 is quite poor, but PyQtGraph can fall back to constructing an array of QLine objects representing each line segment. addPlot>. 16. sigBackgroundChanged . class GraphicsScene (QtWidgets. ScatterPlotItem ( * args, ** kargs,) [source] # Displays a set of x/y points. QGraphicsScene是图形视图框架的组成部分。它提供了一个用于管理大量2D图元的表面(Surface)。QGraphicsScene作为QGraphicsItem的容器，与QGraphicsView一起使用，以可视化2D曲面上的图元，例如线条、矩形、文本以及自定义图元。 May 4, 2022 · Short description Opening the context-menu via right-clicking adds an entry to the list returned by plotItem. py. GraphicsView (parent = None, useOpenGL = None, background = 'default',) [source] # Re-implementation of QGraphicsView that removes scrollbars and allows unambiguous control of the viewed coordinate range. tthb nyizm dgpmo lnqwi afywfq tcqi wsav pqiscc mighpjd xnir cuiyg tywzhxc gekoij rjcrng tpbvjt