TO MANUALLY-ROTATE IMAGE: Left-click image to initialize java   - then just place mouse curson on plot and move it around TO AUTO-ROTATE IMAGE: Right-click image background and from drop-down menu select: Control Panel->Inspector->Display->Auto-Rotate more info below

  Plot was produce with Maple10 and JavaView using the following plot options:
plot3d([4+x*cos(1/2*y), y, x*sin(1/2*y)], x = -3 .. 3, y = 0 .. 2*Pi, coords = cylindrical, grid = ([20, 80]))