# This user-defined function gets called by OVITO to make it draw text and graphics on top of the viewport. # The 'args' parameter provides various information such as the viewport being rendered and the target # canvas the function should paint onto. Refer to the documentation of the ovito.vis.PythonViewportOverlay class # for further information. def render(args): font=args.painter.font() font.setPointSize(8) args.painter.setFont(font) # This demo code prints the current animation frame into the upper left corner of the viewport.