Right Mouse Button

Hold and move: rotate the view in any direction

Mousewheel

Hold and move: move within the scene (camera pan). Scroll: zoom in and out

Left Mouse Button

Doubleclick: brings any selected object into focus. Doubleclick into empty space or walls refocus to entire scene.

Maximize Viewport

The scene switches to full screen size.

Restore Viewport

Only accessible when full screen is activated. Restores the scene to its normal size.

Play

Start automatic camera rotation. The angle can be adjusted with the right mouse button.

Stop

Stop automatic camera rotation.

Quality

Change the scene quality between standard, good and best.

First-Person-View

Double click on a person for the first-person-view. Walk through the scene using the arrow keys. Look around with the right mouse button.