Rotate camera about view axis
the camera around the camera viewing axis by the amounts specified
dtheta (in degrees). The viewing axis is the
line passing through the camera position and the camera target.
on the axes identified by the first argument,
When you do not specify an axes object,
on the current axes.
Rotate the camera around the viewing axis.
surf(peaks) axis vis3d for i = 1:36 camroll(10) drawnow end