General instructions for the use of applets produced with JavaView 
Actions on objects are usually the result of dragging the mouse inside the visualisation window while pressing the left button.
By clicking the right mouse button in the visualization window, a window with other options that can be chosen is opened:
Those options can also be temporarily chosen by using the keyboard. Some keyboard actions are:
To change specific properties of objects there may be, for example, buttons and sliders:
Usually, when the mouse is placed over a button, a message explaining its function appears.
On sliders, the numerical value changes by clicking the
arrows and has minimum and maximum default values; these can be changed on
the panel which is obtained by clicking on the respective 
button:
The increment unit (
)
shows how much is added or subtracted from the value of the slider each time
you click on one of the arrows. In this particular case, the value of the
slider varies between 0.0 and 10.0 and, when altered by the arrows, changes
by one unit (absolute value).
Usually there is a 
button for each applet. When you click it, you can choose between
two options: 
(you access an instruction page about how the applet works) and 
(you access information about the applet version).
