pltaxisoff

pltaxisoff is not a formal function in Matplotlib. In practice, turning off the axes for a plot is achieved using the axis('off') command in the pyplot interface, or via an Axes object's methods such as axis('off') or set_axis_off(). The phrase is commonly used informally to refer to hiding axis lines, tick marks, and labels.

Using axis('off') hides the axis spine lines, tick marks, and tick labels for the current axes, leaving the plotted data visible. It can be applied to a figure with pyplot or to a specific axes object. For example, plt.plot([1,2,3]); plt.axis('off') will remove the axis display for that plot. Alternatively, after creating an axes with ax = plt.gca(), you can call ax.axis('off') or ax.set_axis_off() to achieve the same result on that axes.

This technique is particularly common when displaying images or diagrams where axis information would be distracting or irrelevant. For images, plt.imshow(...) is frequently followed by plt.axis('off') to present the image alone, without axes or labels.

Notes and alternatives: axis in Matplotlib accepts other string options and numeric specifications, such as 'on', 'equal', 'scaled', or 'tight', or a numeric [xmin, xmax, ymin, ymax] range. To re-enable axes after turning them off, use axis('on') or show the axes again via set_axis_on() on the relevant Axes. While axis('off') is a display control, it does not remove the data, just its visual presentation.