This function wraps up the commands I usually use to display a surface. The surface is displayed using SURFL with interpolated shading, in my favourite colormap of copper , with rotate3d on, and axis vis3d set. -This function wraps up the commands I usually use to display a surface. The surface is displayed using SURFL with interpolated shading, in my favourite colormap of　copper , with rotate3d on, and axis vis3d set.