The Zoom Menu

The first five items in the menu change zoom-mode.

Zoom->No Zoom

Disable the zoom-mode.

Zoom->Zoom rectangular

Let the user draw a rectangle. The minimum and maximum values will be set to the cordinates of the rectangle.

Zoom->Zoom in

The minimum and maximum values will come closer to eachother and the selected point in the graph will be centered.

Zoom->Zoom out

The minimum and maximum values will be more seperated from eachother and the selected point in the graph will be centered.

Zoom->Center a point

The selected point in the graph will be centered.

Zoom->Fit widget to trigonometric functions

The scale will be adapted to trigometric functions. This works both for radians and degrees.