Simulation Controls:

Left-click drag: Rotate camera around scene
Right-click drag: zoom camera
D key: create water drop displacement
R key: reset water to no motion
P key: pause/play simulation
B key: render in black and white
C key: render in color

Visualization modes can be set with keys 0 through 6
0 key: standard blue surface
1 key: height visualization
2 key: vertcal velocity visualization
3 key: vertical acceleration visualization
4 key: horizontal velocity visualization
5 key: horizontal direction visualization
6 key: pressure visualization