Key

Key

Effect

4, 6, 8, 2

Rotate Left, Right, Up, Down, in 10 degree steps.

Ctrl gives 45 degree steps,

Shift gives 1 degree steps,

Ctrl with Shift gives 4.5 degree steps.

7, 1

Zoom in/out, changing the view radius by a factor of 1.5.

Ctrl does two steps at once.

Shift does 1/4 of a step.

Using them both does 1/2 a step.

9, 3

Walk in or out, by 1 step-distance (user selectable).

Ctrl does 10 steps,

Shift does 1/10 of a step.