CommunitiesAcrossTimeStep.py 文件源码

def initUI(self):
        """
        initialize all the components required
        """
        self.presentNodeObjects = []
        self.centrality = []

        scene = QtGui.QGraphicsScene(self)
        scene.setItemIndexMethod(QtGui.QGraphicsScene.NoIndex)
        scene.setSceneRect(-200, -200, 400, 400)
        self.setScene(scene)
        self.scene = scene
        self.setCacheMode(QtGui.QGraphicsView.CacheBackground)
        self.setRenderHint(QtGui.QPainter.Antialiasing)
        self.setTransformationAnchor(QtGui.QGraphicsView.AnchorUnderMouse)
        self.setResizeAnchor(QtGui.QGraphicsView.AnchorViewCenter)

        self.setDragMode(QtGui.QGraphicsView.ScrollHandDrag)
        self.setInteractive(True)
        self.setTransformationAnchor(QtGui.QGraphicsView.AnchorUnderMouse)

        self.Scene_to_be_updated = scene
        self.setCacheMode(QtGui.QGraphicsView.CacheBackground)
        i = 0
        self.setSceneRect(self.Scene_to_be_updated.itemsBoundingRect())
        self.setScene(self.Scene_to_be_updated)
        self.fitInView(self.Scene_to_be_updated.itemsBoundingRect(),QtCore.Qt.KeepAspectRatio)
        self.scaleView(math.pow(2.0, -900/ 1040.0))