Display a small image of the 3D axes and their current orientation.
Do not display the miniature 3D axis image.
The triad command indicates whether a small image of the 3D axes and their current orientation should be added to the visualization window. A value of "on" is the default, and this places the image in the lower left of the graphics visualization window. A value of "off" turns off the image. This command only works for 3D images.