Main Area

This area contains the canvas where graphics are drawn.

Zooming

The easiest way to zoom the scene is by using the mouse wheel. When zooming using the mouse wheel the zoom will be centered under the current mouse position. Alternatively, you can press the + key to zoom in and the - key to zoom out. You can also reset the zoom by pressing 1, zoom the whole scene by pressing 2 and zoom the currently selected items by pressing 3.

Panning

You can use mouse middle button to drag the scene and change its center.