Effect

Key and Mode

Effect

PageUp and PageDown Keys

Walk in or out.

Perspective

Walk in or out by 1 step-distance.

Ctrl

Walk in or out by 10 step-distances.

Shift

Walk in or out by 1/10 step-distance.

Parallel

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

Ctrl

Zoom in or out two step-distances at once

Shift

Zoom in or out 1/4 of a step-distance.

Ctrl + Shift

Zoom in or out 1/2 a step-distance.

Alt

Zoom in or out regardless of projection type.

For a perspective view this allows you to choose the perspective view angle for use during the walk through sequence.

Arrow Keys

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

Ctrl

Rotate in 45 degree steps.

Shift

Rotate in 1 degree steps.

Ctrl + Shift

Rotate in 4.5 degree steps.

Alt

Pan Left, Right, Up, Down. Moves line of sight as in Pan mode, by 1 step-distance.

Alt + Ctrl

Rotate by 10-step-distances.

Alt + Shift

Rotate by 1/10 of a step-distance.

Numeric Keypad Keys

4, 6, 8, 2

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

Ctrl

Rotate in 45 degree steps.

Shift

Rotate in 1 degree steps.

Ctrl&Shift

Rotate in 4.5 degree steps.

Alt

Pan Left, Right, Up, Down.

Moves line of sight as in Pan mode, by 1 step-distance.

Alt + Ctrl

Rotate by 10-step-distances.

Alt + Shift

Rotate by 1/10 of a step-distance.

Numeric Keypad Keys

7, 1

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

Ctrl

Zoom in or out by two step-distances at a time.

Shift

Zoom in or out by 1/4 step-distance at a time.

Ctrl + Shift

Zoom in or out by 1/2 step-distance at a time.

Numeric Keypad Keys

9, 3

Walk in or out.

Perspective

Walk in or out, by 1 step-distance.

Ctrl

Walk in or out, by 10 step-distances.

Shift

Walk in or out, by 1/10 step-distance.

Parallel

For parallel projection reverts to Zoom in or out.