def redrawScene(self, bkgcolor=None):
    '\n        Clear and redraw the displayed scene.\n        '
    if bkgcolor:
        if bkgcolor.isValid():
            self.__lastclearcolor = bkgcolor
    QApplication.setOverrideCursor(Qt.WaitCursor)
    self.statusBar().showMessage(self.tr('Redrawing image'))
    try:
        self.updateScene()
    finally:
        self.statusBar().clearMessage()
        QApplication.restoreOverrideCursor()
Clear and redraw the displayed scene.
def redrawScene(self, bkgcolor=None):
    '\n        \n        '
    if bkgcolor:
        if bkgcolor.isValid():
            self.__lastclearcolor = bkgcolor
    QApplication.setOverrideCursor(Qt.WaitCursor)
    self.statusBar().showMessage(self.tr('Redrawing image'))
    try:
        self.updateScene()
    finally:
        self.statusBar().clearMessage()
        QApplication.restoreOverrideCursor()