Navigator

The navigator controls the workspace view scrolling/zooming/rotation.

Canvas Thumbnail

The red rectangle means display area for current workspace view. By dragging this thumbnails, you can scroll view.

Zooming Factor

This controls view zooming by slider. The rightside buttons are ordered from left zoom out, zoom in, reset zooming.

Rotation Angle

This controls view rotation by slider. The rightside buttons are ordered from left rotate CCW, rotate CW, reset rotation.