def __init__(self):
super().__init__()
self.scene = Qt.QGraphicsScene()
self.graphics_view = Qt.QGraphicsView()
self.graphics_view.setScene(self.scene)
self.setCentralWidget(self.graphics_view)
def plot(self):
self.scene = Qt.QGraphicsScene()
self.graphics_view = Qt.QGraphicsView()
self.graphics_view.setScene(self.scene)
self.setCentralWidget(self.graphics_view)
diameter = randint(0, 300)
rect = Qt.QRectF(0, 0, diameter, diameter)
colorlist = [
Qt.Qt.yellow, Qt.Qt.red, Qt.Qt.blue, Qt.Qt.green, Qt.Qt.black,
Qt.Qt.gray, Qt.Qt.darkCyan
]
color = colorlist[randint(0, 6)]
self.scene.addEllipse(rect, Qt.QPen(color), Qt.QBrush(color))
